/* * BSD 2-Clause License * * Copyright (C) 2014-2016, Lazaros Koromilas * Copyright (C) 2014-2016, Dimitris Papastamos * Copyright (C) 2016-2020, Arun Prakash Jana * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifdef __linux__ #ifndef _GNU_SOURCE #define _GNU_SOURCE #endif #if defined(__arm__) || defined(__i386__) #define _FILE_OFFSET_BITS 64 /* Support large files on 32-bit */ #endif #include #define LINUX_INOTIFY #if !defined(__GLIBC__) #include #endif #endif #include #include #include #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) #include #include #include #define BSD_KQUEUE #elif defined(__HAIKU__) #include "../misc/haiku/haiku_interop.h" #define HAIKU_NM #else #include #endif #include #ifdef __linux__ /* Fix failure due to mvaddnwstr() */ #ifndef NCURSES_WIDECHAR #define NCURSES_WIDECHAR 1 #endif #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) || defined(__sun) #ifndef _XOPEN_SOURCE_EXTENDED #define _XOPEN_SOURCE_EXTENDED #endif #endif #ifndef __USE_XOPEN /* Fix wcswidth() failure, ncursesw/curses.h includes whcar.h on Ubuntu 14.04 */ #define __USE_XOPEN #endif #include #include #include #include #include #ifndef NOLOCALE #include #endif #include #ifndef NORL #include #include #endif #ifdef PCRE #include #else #include #endif #include #include #include #ifdef __sun #include #endif #include #include #include #include #ifndef __USE_XOPEN_EXTENDED #define __USE_XOPEN_EXTENDED 1 #endif #include #include #include "nnn.h" #include "dbg.h" /* Macro definitions */ #define VERSION "3.2" #define GENERAL_INFO "BSD 2-Clause\nhttps://github.com/jarun/nnn" #define SESSIONS_VERSION 1 #ifndef S_BLKSIZE #define S_BLKSIZE 512 /* S_BLKSIZE is missing on Android NDK (Termux) */ #endif /* * NAME_MAX and PATH_MAX may not exist, e.g. with dirent.c_name being a * flexible array on Illumos. Use somewhat accomodating fallback values. */ #ifndef NAME_MAX #define NAME_MAX 255 #endif #ifndef PATH_MAX #define PATH_MAX 4096 #endif #define _ABSSUB(N, M) (((N) <= (M)) ? ((M) - (N)) : ((N) - (M))) #define DOUBLECLICK_INTERVAL_NS (400000000) #define XDELAY_INTERVAL_MS (350000) /* 350 ms delay */ #define ELEMENTS(x) (sizeof(x) / sizeof(*(x))) #undef MIN #define MIN(x, y) ((x) < (y) ? (x) : (y)) #undef MAX #define MAX(x, y) ((x) > (y) ? (x) : (y)) #define ISODD(x) ((x) & 1) #define ISBLANK(x) ((x) == ' ' || (x) == '\t') #define TOUPPER(ch) (((ch) >= 'a' && (ch) <= 'z') ? ((ch) - 'a' + 'A') : (ch)) #define CMD_LEN_MAX (PATH_MAX + ((NAME_MAX + 1) << 1)) #define READLINE_MAX 256 #define FILTER '/' #define RFILTER '\\' #define CASE ':' #define MSGWAIT '$' #define SELECT ' ' #define REGEX_MAX 48 #define ENTRY_INCR 64 /* Number of dir 'entry' structures to allocate per shot */ #define NAMEBUF_INCR 0x800 /* 64 dir entries at once, avg. 32 chars per filename = 64*32B = 2KB */ #define DESCRIPTOR_LEN 32 #define _ALIGNMENT 0x10 /* 16-byte alignment */ #define _ALIGNMENT_MASK 0xF #define TMP_LEN_MAX 64 #define DOT_FILTER_LEN 7 #define ASCII_MAX 128 #define EXEC_ARGS_MAX 8 #define LIST_FILES_MAX (1 << 16) #define SCROLLOFF 3 #ifndef CTX8 #define CTX_MAX 4 #else #define CTX_MAX 8 #endif #define MIN_DISPLAY_COLS ((CTX_MAX * 2) + 2) /* Two chars for [ and ] */ #define LONG_SIZE sizeof(ulong) #define ARCHIVE_CMD_LEN 16 #define BLK_SHIFT_512 9 /* Detect hardlinks in du */ #define HASH_BITS (0xFFFFFF) #define HASH_OCTETS (HASH_BITS >> 6) /* 2^6 = 64 */ /* Entry flags */ #define DIR_OR_LINK_TO_DIR 0x01 #define HARD_LINK 0x02 #define FILE_SELECTED 0x10 /* Macros to define process spawn behaviour as flags */ #define F_NONE 0x00 /* no flag set */ #define F_MULTI 0x01 /* first arg can be combination of args; to be used with F_NORMAL */ #define F_NOWAIT 0x02 /* don't wait for child process (e.g. file manager) */ #define F_NOTRACE 0x04 /* suppress stdout and strerr (no traces) */ #define F_NORMAL 0x08 /* spawn child process in non-curses regular CLI mode */ #define F_CONFIRM 0x10 /* run command - show results before exit (must have F_NORMAL) */ #define F_CHKRTN 0x20 /* wait for user prompt if cmd returns failure status */ #define F_CLI (F_NORMAL | F_MULTI) #define F_SILENT (F_CLI | F_NOTRACE) /* Version compare macros */ /* * states: S_N: normal, S_I: comparing integral part, S_F: comparing * fractional parts, S_Z: idem but with leading Zeroes only */ #define S_N 0x0 #define S_I 0x3 #define S_F 0x6 #define S_Z 0x9 /* result_type: VCMP: return diff; VLEN: compare using len_diff/diff */ #define VCMP 2 #define VLEN 3 /* Volume info */ #define FREE 0 #define CAPACITY 1 /* TYPE DEFINITIONS */ typedef unsigned long ulong; typedef unsigned int uint; typedef unsigned char uchar; typedef unsigned short ushort; typedef long long ll; typedef unsigned long long ull; /* STRUCTURES */ /* Directory entry */ typedef struct entry { char *name; time_t t; off_t size; blkcnt_t blocks; /* number of 512B blocks allocated */ mode_t mode; ushort nlen; /* Length of file name */ uchar flags; /* Flags specific to the file */ } *pEntry; /* Key-value pairs from env */ typedef struct { int key; int off; } kv; typedef struct { #ifdef PCRE const pcre *pcrex; #else const regex_t *regex; #endif const char *str; } fltrexp_t; /* * Settings * NOTE: update default values if changing order */ typedef struct { uint filtermode : 1; /* Set to enter filter mode */ uint timeorder : 1; /* Set to sort by time */ uint sizeorder : 1; /* Set to sort by file size */ uint apparentsz : 1; /* Set to sort by apparent size (disk usage) */ uint blkorder : 1; /* Set to sort by blocks used (disk usage) */ uint extnorder : 1; /* Order by extension */ uint showhidden : 1; /* Set to show hidden files */ uint selmode : 1; /* Set when selecting files */ uint showdetail : 1; /* Clear to show fewer file info */ uint ctxactive : 1; /* Context active or not */ uint reserved1 : 3; /* The following settings are global */ uint curctx : 3; /* Current context number */ uint picker : 1; /* Write selection to user-specified file */ uint pickraw : 1; /* Write selection to sdtout before exit */ uint nonavopen : 1; /* Open file on right arrow or `l` */ uint autoselect : 1; /* Auto-select dir in type-to-nav mode */ uint metaviewer : 1; /* Index of metadata viewer in utils[] */ uint useeditor : 1; /* Use VISUAL to open text files */ uint runplugin : 1; /* Choose plugin mode */ uint runctx : 2; /* The context in which plugin is to be run */ uint regex : 1; /* Use regex filters */ uint x11 : 1; /* Copy to system clipboard and show notis */ uint timetype : 2; /* Time sort type (0: access, 1: change, 2: modification) */ uint cliopener : 1; /* All-CLI app opener */ uint waitedit : 1; /* For ops that can't be detached, used EDITOR */ uint rollover : 1; /* Roll over at edges */ } settings; /* Non-persistent program-internal states */ typedef struct { uint pluginit : 1; /* Plugin framework initialized */ uint interrupt : 1; /* Program received an interrupt */ uint rangesel : 1; /* Range selection on */ uint move : 1; /* Move operation */ uint autonext : 1; /* Auto-proceed on open */ uint fortune : 1; /* Show fortune messages in help */ uint trash : 1; /* Use trash to delete files */ uint forcequit : 1; /* Do not prompt on quit */ uint autofifo : 1; /* Auto-create NNN_FIFO */ uint initfile : 1; /* Positional arg is a file */ uint dircolor : 1; /* Current status of dir color */ uint reserved : 21; } runstate; /* Contexts or workspaces */ typedef struct { char c_path[PATH_MAX]; /* Current dir */ char c_last[PATH_MAX]; /* Last visited dir */ char c_name[NAME_MAX + 1]; /* Current file name */ char c_fltr[REGEX_MAX]; /* Current filter */ settings c_cfg; /* Current configuration */ uint color; /* Color code for directories */ } context; typedef struct { size_t ver; size_t pathln[CTX_MAX]; size_t lastln[CTX_MAX]; size_t nameln[CTX_MAX]; size_t fltrln[CTX_MAX]; } session_header_t; /* GLOBALS */ /* Configuration, contexts */ static settings cfg = { 0, /* filtermode */ 0, /* timeorder */ 0, /* sizeorder */ 0, /* apparentsz */ 0, /* blkorder */ 0, /* extnorder */ 0, /* showhidden */ 0, /* selmode */ 0, /* showdetail */ 1, /* ctxactive */ 0, /* reserved1 */ 0, /* curctx */ 0, /* picker */ 0, /* pickraw */ 0, /* nonavopen */ 1, /* autoselect */ 0, /* metaviewer */ 0, /* useeditor */ 0, /* runplugin */ 0, /* runctx */ 0, /* regex */ 0, /* x11 */ 2, /* timetype (T_MOD) */ 0, /* cliopener */ 0, /* waitedit */ 1, /* rollover */ }; static context g_ctx[CTX_MAX] __attribute__ ((aligned)); static int ndents, cur, last, curscroll, last_curscroll, total_dents = ENTRY_INCR, scroll_lines = 1; static int nselected; #ifndef NOFIFO static int fifofd = -1; #endif static uint idletimeout, selbufpos, lastappendpos, selbuflen; static ushort xlines, xcols; static ushort idle; static uchar maxbm, maxplug; static char *bmstr; static char *pluginstr; static char *opener; static char *editor; static char *enveditor; static char *pager; static char *shell; static char *home; static char *initpath; static char *cfgdir; static char *selpath; static char *listpath; static char *prefixpath; static char *plugindir; static char *sessiondir; static char *pnamebuf, *pselbuf; static char *mark; #ifndef NOFIFO static char *fifopath; #endif static ull *ihashbmp; static struct entry *dents; static blkcnt_t ent_blocks; static blkcnt_t dir_blocks; static ulong num_files; static kv *bookmark; static kv *plug; static uchar tmpfplen; static uchar blk_shift = BLK_SHIFT_512; #ifndef NOMOUSE static int middle_click_key; #endif #ifdef PCRE static pcre *archive_pcre; #else static regex_t archive_re; #endif /* Retain old signal handlers */ static struct sigaction oldsighup; static struct sigaction oldsigtstp; /* For use in functions which are isolated and don't return the buffer */ static char g_buf[CMD_LEN_MAX] __attribute__ ((aligned)); /* Buffer to store tmp file path to show selection, file stats and help */ static char g_tmpfpath[TMP_LEN_MAX] __attribute__ ((aligned)); /* Buffer to store plugins control pipe location */ static char g_pipepath[TMP_LEN_MAX] __attribute__ ((aligned)); /* Non-persistent runtime states */ static runstate g_state; /* Options to identify file mime */ #if defined(__APPLE__) #define FILE_MIME_OPTS "-bIL" #elif !defined(__sun) /* no mime option for 'file' */ #define FILE_MIME_OPTS "-biL" #endif /* Macros for utilities */ #define UTIL_OPENER 0 #define UTIL_ATOOL 1 #define UTIL_BSDTAR 2 #define UTIL_UNZIP 3 #define UTIL_TAR 4 #define UTIL_LOCKER 5 #define UTIL_LAUNCH 6 #define UTIL_SH_EXEC 7 #define UTIL_BASH 8 #define UTIL_ARCHIVEMOUNT 9 #define UTIL_SSHFS 10 #define UTIL_RCLONE 11 #define UTIL_VI 12 #define UTIL_LESS 13 #define UTIL_SH 14 #define UTIL_FZF 15 #define UTIL_NTFY 16 #define UTIL_CBCP 17 #define UTIL_NMV 18 /* Utilities to open files, run actions */ static char * const utils[] = { #ifdef __APPLE__ "/usr/bin/open", #elif defined __CYGWIN__ "cygstart", #elif defined __HAIKU__ "open", #else "xdg-open", #endif "atool", "bsdtar", "unzip", "tar", #ifdef __APPLE__ "bashlock", #elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) "lock", #elif defined __HAIKU__ "peaclock", #else "vlock", #endif "launch", "sh -c", "bash", "archivemount", "sshfs", "rclone", "vi", "less", "sh", "fzf", ".ntfy", ".cbcp", ".nmv", }; /* Common strings */ #define MSG_NO_TRAVERSAL 0 #define MSG_INVALID_KEY 1 #define STR_TMPFILE 2 #define MSG_0_SELECTED 3 #define MSG_UTIL_MISSING 4 #define MSG_FAILED 5 #define MSG_SSN_NAME 6 #define MSG_CP_MV_AS 7 #define MSG_CUR_SEL_OPTS 8 #define MSG_FORCE_RM 9 #define MSG_LIMIT 10 #define MSG_NEW_OPTS 11 #define MSG_CLI_MODE 12 #define MSG_OVERWRITE 13 #define MSG_SSN_OPTS 14 #define MSG_QUIT_ALL 15 #define MSG_HOSTNAME 16 #define MSG_ARCHIVE_NAME 17 #define MSG_OPEN_WITH 18 #define MSG_REL_PATH 19 #define MSG_LINK_PREFIX 20 #define MSG_COPY_NAME 21 #define MSG_CONTINUE 22 #define MSG_SEL_MISSING 23 #define MSG_ACCESS 24 #define MSG_EMPTY_FILE 25 #define MSG_UNSUPPORTED 26 #define MSG_NOT_SET 27 #define MSG_EXISTS 28 #define MSG_FEW_COLUMNS 29 #define MSG_REMOTE_OPTS 30 #define MSG_RCLONE_DELAY 31 #define MSG_APP_NAME 32 #define MSG_ARCHIVE_OPTS 33 #define MSG_PLUGIN_KEYS 34 #define MSG_BOOKMARK_KEYS 35 #define MSG_INVALID_REG 36 #define MSG_ORDER 37 #define MSG_LAZY 38 #define MSG_FIRST 39 #define MSG_RM_TMP 40 #define MSG_NOCHNAGE 41 #define MSG_CANCEL 42 #define MSG_0_ENTRIES 43 #ifndef DIR_LIMITED_SELECTION #define MSG_DIR_CHANGED 44 /* Must be the last entry */ #endif static const char * const messages[] = { "no traversal", "invalid key", "/.nnnXXXXXX", "0 selected", "missing util", "failed!", "session name: ", "'c'p / 'm'v as?", "'c'urrent / 's'el?", "rm -rf %s file%s?", "limit exceeded", "'f'ile / 'd'ir / 's'ym / 'h'ard?", "'c'li / 'g'ui?", "overwrite?", "'s'ave / 'l'oad / 'r'estore?", "Quit all contexts?", "remote name ('-' for hovered): ", "archive name: ", "open with: ", "relative path: ", "link prefix [@ for none]: ", "copy name: ", "\n'Enter' to continue", "open failed", "dir inaccessible", "empty: edit/open with", "unknown", "not set", "entry exists", "too few columns!", "'s'shfs / 'r'clone?", "refresh if slow", "app name: ", "'d'efault / e'x'tract / 'l'ist / 'm'ount?", "plugin keys:", "bookmark keys:", "invalid regex", "'a'u / 'd'u / 'e'xtn / 'r'ev / 's'ize / 't'ime / 'v'er / 'c'lear?", "unmount failed! try lazy?", "first file (\')/char?", "remove tmp file?", "unchanged", "cancelled", "0 entries", #ifndef DIR_LIMITED_SELECTION "dir changed, range sel off", /* Must be the last entry */ #endif }; /* Supported configuration environment variables */ #define NNN_OPTS 0 #define NNN_BMS 1 #define NNN_PLUG 2 #define NNN_OPENER 3 #define NNN_COLORS 4 #define NNNLVL 5 #define NNN_PIPE 6 #define NNN_MCLICK 7 #define NNN_SEL 8 #define NNN_ARCHIVE 9 /* strings end here */ #define NNN_TRASH 10 /* flags begin here */ static const char * const env_cfg[] = { "NNN_OPTS", "NNN_BMS", "NNN_PLUG", "NNN_OPENER", "NNN_COLORS", "NNNLVL", "NNN_PIPE", "NNN_MCLICK", "NNN_SEL", "NNN_ARCHIVE", "NNN_TRASH", }; /* Required environment variables */ #define ENV_SHELL 0 #define ENV_VISUAL 1 #define ENV_EDITOR 2 #define ENV_PAGER 3 #define ENV_NCUR 4 static const char * const envs[] = { "SHELL", "VISUAL", "EDITOR", "PAGER", "nnn", }; /* Time type used */ #define T_ACCESS 0 #define T_CHANGE 1 #define T_MOD 2 #ifdef __linux__ static char cp[] = "cp -iRp"; static char mv[] = "mv -i"; #else static char cp[] = "cp -iRp"; static char mv[] = "mv -i"; #endif /* Patterns */ #define P_CPMVFMT 0 #define P_CPMVRNM 1 #define P_ARCHIVE 2 #define P_REPLACE 3 static const char * const patterns[] = { "sed -i 's|^\\(\\(.*/\\)\\(.*\\)$\\)|#\\1\\n\\3|' %s", "sed 's|^\\([^#][^/]\\?.*\\)$|%s/\\1|;s|^#\\(/.*\\)$|\\1|' " "%s | tr '\\n' '\\0' | xargs -0 -n2 sh -c '%s \"$0\" \"$@\" < /dev/tty'", "\\.(bz|bz2|gz|tar|taz|tbz|tbz2|tgz|z|zip)$", "sed -i 's|^%s\\(.*\\)$|%s\\1|' %s", }; /* Event handling */ #ifdef LINUX_INOTIFY #define NUM_EVENT_SLOTS 32 /* Make room for 8 events */ #define EVENT_SIZE (sizeof(struct inotify_event)) #define EVENT_BUF_LEN (EVENT_SIZE * NUM_EVENT_SLOTS) static int inotify_fd, inotify_wd = -1; static uint INOTIFY_MASK = /* IN_ATTRIB | */ IN_CREATE | IN_DELETE | IN_DELETE_SELF | IN_MODIFY | IN_MOVE_SELF | IN_MOVED_FROM | IN_MOVED_TO; #elif defined(BSD_KQUEUE) #define NUM_EVENT_SLOTS 1 #define NUM_EVENT_FDS 1 static int kq, event_fd = -1; static struct kevent events_to_monitor[NUM_EVENT_FDS]; static uint KQUEUE_FFLAGS = NOTE_DELETE | NOTE_EXTEND | NOTE_LINK | NOTE_RENAME | NOTE_REVOKE | NOTE_WRITE; static struct timespec gtimeout; #elif defined(HAIKU_NM) static bool haiku_nm_active = FALSE; static haiku_nm_h haiku_hnd; #endif /* Function macros */ #define tolastln() move(xlines - 1, 0) #define exitcurses() endwin() #define printwarn(presel) printwait(strerror(errno), presel) #define istopdir(path) ((path)[1] == '\0' && (path)[0] == '/') #define copycurname() xstrsncpy(lastname, dents[cur].name, NAME_MAX + 1) #define settimeout() timeout(1000) #define cleartimeout() timeout(-1) #define errexit() printerr(__LINE__) #define setdirwatch() (cfg.filtermode ? (presel = FILTER) : (watch = TRUE)) #define filterset() (g_ctx[cfg.curctx].c_fltr[1]) /* We don't care about the return value from strcmp() */ #define xstrcmp(a, b) (*(a) != *(b) ? -1 : strcmp((a), (b))) /* A faster version of xisdigit */ #define xisdigit(c) ((unsigned int) (c) - '0' <= 9) #define xerror() perror(xitoa(__LINE__)) #ifdef __GNUC__ #define UNUSED(x) UNUSED_##x __attribute__((__unused__)) #else #define UNUSED(x) UNUSED_##x #endif /* __GNUC__ */ /* Forward declarations */ static size_t xstrsncpy(char *restrict dst, const char *restrict src, size_t n); static void redraw(char *path); static int spawn(char *file, char *arg1, char *arg2, uchar flag); static int (*nftw_fn)(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf); static int dentfind(const char *fname, int n); static void move_cursor(int target, int ignore_scrolloff); static inline bool getutil(char *util); static size_t mkpath(const char *dir, const char *name, char *out); static bool plugscript(const char *plugin, uchar flags); static char *load_input(int fd, const char *path); /* Functions */ static void sigint_handler(int UNUSED(sig)) { g_state.interrupt = 1; } static void clean_exit_sighandler(int UNUSED(sig)) { exitcurses(); /* This triggers cleanup() thanks to atexit() */ exit(EXIT_SUCCESS); } static char *xitoa(uint val) { static char ascbuf[32] = {0}; int i = 30; uint rem; if (!val) return "0"; while (val && i) { rem = val / 10; ascbuf[i] = '0' + (val - (rem * 10)); val = rem; --i; } return &ascbuf[++i]; } /* * Source: https://elixir.bootlin.com/linux/latest/source/arch/alpha/include/asm/bitops.h */ static bool test_set_bit(uint nr) { nr &= HASH_BITS; ull *m = ((ull *)ihashbmp) + (nr >> 6); if (*m & (1 << (nr & 63))) return FALSE; *m |= 1 << (nr & 63); return TRUE; } #if 0 static bool test_clear_bit(uint nr) { nr &= HASH_BITS; ull *m = ((ull *) ihashbmp) + (nr >> 6); if (!(*m & (1 << (nr & 63)))) return FALSE; *m &= ~(1 << (nr & 63)); return TRUE; } #endif static void clearinfoln(void) { move(xlines - 2, 0); clrtoeol(); } #ifdef KEY_RESIZE /* Clear the old prompt */ static void clearoldprompt(void) { clearinfoln(); tolastln(); addch('\n'); } #endif /* Messages show up at the bottom */ static inline void printmsg_nc(const char *msg) { tolastln(); addstr(msg); addch('\n'); } static void printmsg(const char *msg) { attron(COLOR_PAIR(cfg.curctx + 1)); printmsg_nc(msg); attroff(COLOR_PAIR(cfg.curctx + 1)); } static void printwait(const char *msg, int *presel) { printmsg(msg); if (presel) { *presel = MSGWAIT; if (ndents) xstrsncpy(g_ctx[cfg.curctx].c_name, dents[cur].name, NAME_MAX + 1); } } /* Kill curses and display error before exiting */ static void printerr(int linenum) { exitcurses(); perror(xitoa(linenum)); if (!cfg.picker && selpath) unlink(selpath); free(pselbuf); exit(1); } static inline bool xconfirm(int c) { return (c == 'y' || c == 'Y'); } static int get_input(const char *prompt) { if (prompt) printmsg(prompt); cleartimeout(); int r = getch(); #ifdef KEY_RESIZE while (r == KEY_RESIZE) { if (prompt) { clearoldprompt(); xlines = LINES; printmsg(prompt); } r = getch(); } #endif settimeout(); return r; } static int get_cur_or_sel(void) { if (selbufpos && ndents) { int choice = get_input(messages[MSG_CUR_SEL_OPTS]); return ((choice == 'c' || choice == 's') ? choice : 0); } if (selbufpos) return 's'; if (ndents) return 'c'; return 0; } static void xdelay(useconds_t delay) { refresh(); usleep(delay); } static char confirm_force(bool selection) { char str[32]; snprintf(str, 32, messages[MSG_FORCE_RM], (selection ? xitoa(nselected) : "current"), (selection ? "(s)" : "")); if (xconfirm(get_input(str))) return 'f'; /* forceful */ return 'i'; /* interactive */ } /* Increase the limit on open file descriptors, if possible */ static rlim_t max_openfds(void) { struct rlimit rl; rlim_t limit = getrlimit(RLIMIT_NOFILE, &rl); if (!limit) { limit = rl.rlim_cur; rl.rlim_cur = rl.rlim_max; /* Return ~75% of max possible */ if (setrlimit(RLIMIT_NOFILE, &rl) == 0) { limit = rl.rlim_max - (rl.rlim_max >> 2); /* * 20K is arbitrary. If the limit is set to max possible * value, the memory usage increases to more than double. */ if (limit > 20480) limit = 20480; } } else limit = 32; return limit; } /* * Wrapper to realloc() * Frees current memory if realloc() fails and returns NULL. * * As per the docs, the *alloc() family is supposed to be memory aligned: * Ubuntu: http://manpages.ubuntu.com/manpages/xenial/man3/malloc.3.html * macOS: https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man3/malloc.3.html */ static void *xrealloc(void *pcur, size_t len) { void *pmem = realloc(pcur, len); if (!pmem) free(pcur); return pmem; } /* * Just a safe strncpy(3) * Always null ('\0') terminates if both src and dest are valid pointers. * Returns the number of bytes copied including terminating null byte. */ static size_t xstrsncpy(char *restrict dst, const char *restrict src, size_t n) { char *end = memccpy(dst, src, '\0', n); if (!end) { dst[n - 1] = '\0'; // NOLINT end = dst + n; /* If we return n here, binary size increases due to auto-inlining */ } return end - dst; } static inline size_t xstrlen(const char *restrict s) { #if !defined(__GLIBC__) return strlen(s); // NOLINT #else return (char *)rawmemchr(s, '\0') - s; // NOLINT #endif } static char *xstrdup(const char *restrict s) { size_t len = xstrlen(s) + 1; char *ptr = malloc(len); if (ptr) xstrsncpy(ptr, s, len); return ptr; } static bool is_suffix(const char *restrict str, const char *restrict suffix) { if (!str || !suffix) return FALSE; size_t lenstr = xstrlen(str); size_t lensuffix = xstrlen(suffix); if (lensuffix > lenstr) return FALSE; return (xstrcmp(str + (lenstr - lensuffix), suffix) == 0); } static bool is_prefix(const char *restrict str, const char *restrict prefix, size_t len) { return !strncmp(str, prefix, len); } /* * The poor man's implementation of memrchr(3). * We are only looking for '/' in this program. * And we are NOT expecting a '/' at the end. * Ideally 0 < n <= xstrlen(s). */ static void *xmemrchr(uchar *restrict s, uchar ch, size_t n) { #if defined(__GLIBC__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) return memrchr(s, ch, n); #else if (!s || !n) return NULL; uchar *ptr = s + n; do if (*--ptr == ch) return ptr; while (s != ptr); return NULL; #endif } /* Assumes both the paths passed are directories */ static char *common_prefix(const char *path, char *prefix) { const char *x = path, *y = prefix; char *sep; if (!path || !*path || !prefix) return NULL; if (!*prefix) { xstrsncpy(prefix, path, PATH_MAX); return prefix; } while (*x && *y && (*x == *y)) ++x, ++y; /* Strings are same */ if (!*x && !*y) return prefix; /* Path is shorter */ if (!*x && *y == '/') { xstrsncpy(prefix, path, y - path); return prefix; } /* Prefix is shorter */ if (!*y && *x == '/') return prefix; /* Shorten prefix */ prefix[y - prefix] = '\0'; sep = xmemrchr((uchar *)prefix, '/', y - prefix); if (sep != prefix) *sep = '\0'; else /* Just '/' */ prefix[1] = '\0'; return prefix; } /* * The library function realpath() resolves symlinks. * If there's a symlink in file list we want to show the symlink not what it's points to. */ static char *abspath(const char *path, const char *cwd) { if (!path || !cwd) return NULL; size_t dst_size = 0, src_size = xstrlen(path), cwd_size = xstrlen(cwd); size_t len = src_size; const char *src; char *dst; /* * We need to add 2 chars at the end as relative paths may start with: * ./ (find .) * no separator (fd .): this needs an additional char for '/' */ char *resolved_path = malloc(src_size + (*path == '/' ? 0 : cwd_size) + 2); if (!resolved_path) return NULL; /* Turn relative paths into absolute */ if (path[0] != '/') dst_size = xstrsncpy(resolved_path, cwd, cwd_size + 1) - 1; else resolved_path[0] = '\0'; src = path; dst = resolved_path + dst_size; for (const char *next = NULL; next != path + src_size;) { next = memchr(src, '/', len); if (!next) next = path + src_size; if (next - src == 2 && src[0] == '.' && src[1] == '.') { if (dst - resolved_path) { dst = xmemrchr((uchar *)resolved_path, '/', dst - resolved_path); *dst = '\0'; } } else if (next - src == 1 && src[0] == '.') { /* NOP */ } else if (next - src) { *(dst++) = '/'; xstrsncpy(dst, src, next - src + 1); dst += next - src; } src = next + 1; len = src_size - (src - path); } if (*resolved_path == '\0') { resolved_path[0] = '/'; resolved_path[1] = '\0'; } return resolved_path; } /* A very simplified implementation, changes path */ static char *xdirname(char *path) { char *base = xmemrchr((uchar *)path, '/', xstrlen(path)); if (base == path) path[1] = '\0'; else *base = '\0'; return path; } static char *xbasename(char *path) { char *base = xmemrchr((uchar *)path, '/', xstrlen(path)); // NOLINT return base ? base + 1 : path; } static int create_tmp_file(void) { xstrsncpy(g_tmpfpath + tmpfplen - 1, messages[STR_TMPFILE], TMP_LEN_MAX - tmpfplen); int fd = mkstemp(g_tmpfpath); if (fd == -1) { DPRINTF_S(strerror(errno)); } return fd; } /* Writes buflen char(s) from buf to a file */ static void writesel(const char *buf, const size_t buflen) { if (cfg.pickraw || !selpath) return; FILE *fp = fopen(selpath, "w"); if (fp) { if (fwrite(buf, 1, buflen, fp) != buflen) printwarn(NULL); fclose(fp); } else printwarn(NULL); } static void appendfpath(const char *path, const size_t len) { if ((selbufpos >= selbuflen) || ((len + 3) > (selbuflen - selbufpos))) { selbuflen += PATH_MAX; pselbuf = xrealloc(pselbuf, selbuflen); if (!pselbuf) errexit(); } selbufpos += xstrsncpy(pselbuf + selbufpos, path, len); } /* Write selected file paths to fd, linefeed separated */ static size_t seltofile(int fd, uint *pcount) { uint lastpos, count = 0; char *pbuf = pselbuf; size_t pos = 0; ssize_t len, prefixlen = 0, initlen = 0; if (pcount) *pcount = 0; if (!selbufpos) return 0; lastpos = selbufpos - 1; if (listpath) { prefixlen = (ssize_t)xstrlen(prefixpath); initlen = (ssize_t)xstrlen(listpath); } while (pos <= lastpos) { DPRINTF_S(pbuf); len = (ssize_t)xstrlen(pbuf); if (!listpath || !is_prefix(pbuf, listpath, initlen)) { if (write(fd, pbuf, len) != len) return pos; } else { if (write(fd, prefixpath, prefixlen) != prefixlen) return pos; if (write(fd, pbuf + initlen, len - initlen) != (len - initlen)) return pos; } pos += len; if (pos <= lastpos) { if (write(fd, "\n", 1) != 1) return pos; pbuf += len + 1; } ++pos; ++count; } if (pcount) *pcount = count; return pos; } /* List selection from selection file (another instance) */ static bool listselfile(void) { struct stat sb; if (stat(selpath, &sb) == -1) return FALSE; /* Nothing selected if file size is 0 */ if (!sb.st_size) return FALSE; snprintf(g_buf, CMD_LEN_MAX, "tr \'\\0\' \'\\n\' < %s", selpath); spawn(utils[UTIL_SH_EXEC], g_buf, NULL, F_CLI | F_CONFIRM); return TRUE; } /* Reset selection indicators */ static void resetselind(void) { for (int r = 0; r < ndents; ++r) if (dents[r].flags & FILE_SELECTED) dents[r].flags &= ~FILE_SELECTED; } static void startselection(void) { if (!cfg.selmode) { cfg.selmode = 1; nselected = 0; if (selbufpos) { resetselind(); writesel(NULL, 0); selbufpos = 0; } lastappendpos = 0; } } static void updateselbuf(const char *path, char *newpath) { size_t r; for (int i = 0; i < ndents; ++i) if (dents[i].flags & FILE_SELECTED) { r = mkpath(path, dents[i].name, newpath); appendfpath(newpath, r); } } /* Finish selection procedure before an operation */ static void endselection(void) { int fd; ssize_t count; char buf[sizeof(patterns[P_REPLACE]) + PATH_MAX + (TMP_LEN_MAX << 1)]; if (cfg.selmode) cfg.selmode = 0; if (!listpath || !selbufpos) return; fd = create_tmp_file(); if (fd == -1) { DPRINTF_S("couldn't create tmp file"); return; } seltofile(fd, NULL); if (close(fd)) { DPRINTF_S(strerror(errno)); printwarn(NULL); return; } snprintf(buf, sizeof(buf), patterns[P_REPLACE], listpath, prefixpath, g_tmpfpath); spawn(utils[UTIL_SH_EXEC], buf, NULL, F_CLI); fd = open(g_tmpfpath, O_RDONLY); if (fd == -1) { DPRINTF_S(strerror(errno)); printwarn(NULL); if (unlink(g_tmpfpath)) { DPRINTF_S(strerror(errno)); printwarn(NULL); } return; } count = read(fd, pselbuf, selbuflen); if (count < 0) { DPRINTF_S(strerror(errno)); printwarn(NULL); if (close(fd) || unlink(g_tmpfpath)) { DPRINTF_S(strerror(errno)); } return; } if (close(fd) || unlink(g_tmpfpath)) { DPRINTF_S(strerror(errno)); printwarn(NULL); return; } selbufpos = count; pselbuf[--count] = '\0'; for (--count; count > 0; --count) if (pselbuf[count] == '\n' && pselbuf[count+1] == '/') pselbuf[count] = '\0'; writesel(pselbuf, selbufpos - 1); } static void clearselection(void) { nselected = 0; selbufpos = 0; cfg.selmode = 0; writesel(NULL, 0); } /* Returns: 1 - success, 0 - none selected, -1 - other failure */ static int editselection(void) { int ret = -1; int fd, lines = 0; ssize_t count; struct stat sb; time_t mtime; if (!selbufpos) return listselfile(); fd = create_tmp_file(); if (fd == -1) { DPRINTF_S("couldn't create tmp file"); return -1; } seltofile(fd, NULL); if (close(fd)) { DPRINTF_S(strerror(errno)); return -1; } /* Save the last modification time */ if (stat(g_tmpfpath, &sb)) { DPRINTF_S(strerror(errno)); unlink(g_tmpfpath); return -1; } mtime = sb.st_mtime; spawn((cfg.waitedit ? enveditor : editor), g_tmpfpath, NULL, F_CLI); fd = open(g_tmpfpath, O_RDONLY); if (fd == -1) { DPRINTF_S(strerror(errno)); unlink(g_tmpfpath); return -1; } fstat(fd, &sb); if (mtime == sb.st_mtime) { DPRINTF_S("selection is not modified"); unlink(g_tmpfpath); return 1; } if (sb.st_size > selbufpos) { DPRINTF_S("edited buffer larger than previous"); unlink(g_tmpfpath); goto emptyedit; } count = read(fd, pselbuf, selbuflen); if (count < 0) { DPRINTF_S(strerror(errno)); printwarn(NULL); if (close(fd) || unlink(g_tmpfpath)) { DPRINTF_S(strerror(errno)); printwarn(NULL); } goto emptyedit; } if (close(fd) || unlink(g_tmpfpath)) { DPRINTF_S(strerror(errno)); printwarn(NULL); goto emptyedit; } if (!count) { ret = 1; goto emptyedit; } resetselind(); selbufpos = count; /* The last character should be '\n' */ pselbuf[--count] = '\0'; for (--count; count > 0; --count) { /* Replace every '\n' that separates two paths */ if (pselbuf[count] == '\n' && pselbuf[count + 1] == '/') { ++lines; pselbuf[count] = '\0'; } } /* Add a line for the last file */ ++lines; if (lines > nselected) { DPRINTF_S("files added to selection"); goto emptyedit; } nselected = lines; writesel(pselbuf, selbufpos - 1); return 1; emptyedit: resetselind(); clearselection(); return ret; } static bool selsafe(void) { /* Fail if selection file path not generated */ if (!selpath) { printmsg(messages[MSG_SEL_MISSING]); return FALSE; } /* Fail if selection file path isn't accessible */ if (access(selpath, R_OK | W_OK) == -1) { errno == ENOENT ? printmsg(messages[MSG_0_SELECTED]) : printwarn(NULL); return FALSE; } return TRUE; } static void export_file_list(void) { if (!ndents) return; struct entry *pdent = dents; int fd = create_tmp_file(); if (fd == -1) { DPRINTF_S(strerror(errno)); return; } for (int r = 0; r < ndents; ++pdent, ++r) { if (write(fd, pdent->name, pdent->nlen - 1) != (pdent->nlen - 1)) break; if ((r != ndents - 1) && (write(fd, "\n", 1) != 1)) break; } if (close(fd)) { DPRINTF_S(strerror(errno)); } spawn(editor, g_tmpfpath, NULL, F_CLI); if (xconfirm(get_input(messages[MSG_RM_TMP]))) unlink(g_tmpfpath); } /* Initialize curses mode */ static bool initcurses(void *oldmask) { #ifdef NOMOUSE (void) oldmask; #endif if (cfg.picker) { if (!newterm(NULL, stderr, stdin)) { fprintf(stderr, "newterm!\n"); return FALSE; } } else if (!initscr()) { fprintf(stderr, "initscr!\n"); DPRINTF_S(getenv("TERM")); return FALSE; } cbreak(); noecho(); nonl(); //intrflush(stdscr, FALSE); keypad(stdscr, TRUE); #ifndef NOMOUSE #if NCURSES_MOUSE_VERSION <= 1 mousemask(BUTTON1_PRESSED | BUTTON1_DOUBLE_CLICKED | BUTTON2_PRESSED | BUTTON3_PRESSED, (mmask_t *)oldmask); #else mousemask(BUTTON1_PRESSED | BUTTON2_PRESSED | BUTTON3_PRESSED | BUTTON4_PRESSED | BUTTON5_PRESSED, (mmask_t *)oldmask); #endif mouseinterval(0); #endif curs_set(FALSE); /* Hide cursor */ char *colors = getenv(env_cfg[NNN_COLORS]); if (colors || !getenv("NO_COLOR")) { start_color(); use_default_colors(); /* Get and set the context colors */ for (uchar i = 0; i < CTX_MAX; ++i) { if (colors && *colors) { g_ctx[i].color = (*colors < '0' || *colors > '7') ? 4 : *colors - '0'; ++colors; } else g_ctx[i].color = 4; init_pair(i + 1, g_ctx[i].color, -1); } } settimeout(); /* One second */ set_escdelay(0); return TRUE; } /* No NULL check here as spawn() guards against it */ static int parseargs(char *line, char **argv) { int count = 0; argv[count++] = line; while (*line) { // NOLINT if (ISBLANK(*line)) { *line++ = '\0'; if (!*line) // NOLINT return count; argv[count++] = line; if (count == EXEC_ARGS_MAX) return -1; } ++line; } return count; } static pid_t xfork(uchar flag) { int status; pid_t p = fork(); struct sigaction dfl_act = {.sa_handler = SIG_DFL}; if (p > 0) { /* the parent ignores the interrupt, quit and hangup signals */ sigaction(SIGHUP, &(struct sigaction){.sa_handler = SIG_IGN}, &oldsighup); sigaction(SIGTSTP, &dfl_act, &oldsigtstp); } else if (p == 0) { /* We create a grandchild to detach */ if (flag & F_NOWAIT) { p = fork(); if (p > 0) _exit(EXIT_SUCCESS); else if (p == 0) { sigaction(SIGHUP, &dfl_act, NULL); sigaction(SIGINT, &dfl_act, NULL); sigaction(SIGQUIT, &dfl_act, NULL); sigaction(SIGTSTP, &dfl_act, NULL); setsid(); return p; } perror("fork"); _exit(EXIT_FAILURE); } /* so they can be used to stop the child */ sigaction(SIGHUP, &dfl_act, NULL); sigaction(SIGINT, &dfl_act, NULL); sigaction(SIGQUIT, &dfl_act, NULL); sigaction(SIGTSTP, &dfl_act, NULL); } /* This is the parent waiting for the child to create grandchild*/ if (flag & F_NOWAIT) waitpid(p, &status, 0); if (p == -1) perror("fork"); return p; } static int join(pid_t p, uchar flag) { int status = 0xFFFF; if (!(flag & F_NOWAIT)) { /* wait for the child to exit */ do { } while (waitpid(p, &status, 0) == -1); if (WIFEXITED(status)) { status = WEXITSTATUS(status); DPRINTF_D(status); } } /* restore parent's signal handling */ sigaction(SIGHUP, &oldsighup, NULL); sigaction(SIGTSTP, &oldsigtstp, NULL); return status; } /* * Spawns a child process. Behaviour can be controlled using flag. * Limited to 2 arguments to a program, flag works on bit set. */ static int spawn(char *file, char *arg1, char *arg2, uchar flag) { pid_t pid; int status = 0, retstatus = 0xFFFF; char *argv[EXEC_ARGS_MAX] = {0}; char *cmd = NULL; if (!file || !*file) return retstatus; /* Swap args if the first arg is NULL and second isn't */ if (!arg1 && arg2) { arg1 = arg2; arg2 = NULL; } if (flag & F_MULTI) { size_t len = xstrlen(file) + 1; cmd = (char *)malloc(len); if (!cmd) { DPRINTF_S("malloc()!"); return retstatus; } xstrsncpy(cmd, file, len); status = parseargs(cmd, argv); if (status == -1 || status > (EXEC_ARGS_MAX - 3)) { /* arg1, arg2 and last NULL */ free(cmd); DPRINTF_S("NULL or too many args"); return retstatus; } } else argv[status++] = file; argv[status] = arg1; argv[++status] = arg2; if (flag & F_NORMAL) exitcurses(); pid = xfork(flag); if (pid == 0) { /* Suppress stdout and stderr */ if (flag & F_NOTRACE) { int fd = open("/dev/null", O_WRONLY, 0200); dup2(fd, 1); dup2(fd, 2); close(fd); } execvp(*argv, argv); _exit(EXIT_SUCCESS); } else { retstatus = join(pid, flag); DPRINTF_D(pid); if ((flag & F_CONFIRM) || ((flag & F_CHKRTN) && retstatus)) { printf("%s", messages[MSG_CONTINUE]); #ifndef NORL fflush(stdout); #endif while (getchar() != '\n'); } if (flag & F_NORMAL) refresh(); free(cmd); } return retstatus; } static void prompt_run(char *cmd, const char *cur) { setenv(envs[ENV_NCUR], cur, 1); spawn(shell, "-c", cmd, F_CLI | F_CONFIRM); } /* Get program name from env var, else return fallback program */ static char *xgetenv(const char * const name, char *fallback) { char *value = getenv(name); return value && value[0] ? value : fallback; } /* Checks if an env variable is set to 1 */ static bool xgetenv_set(const char *name) { char *value = getenv(name); if (value && value[0] == '1' && !value[1]) return TRUE; return FALSE; } /* Check if a dir exists, IS a dir and is readable */ static bool xdiraccess(const char *path) { DIR *dirp = opendir(path); if (!dirp) { printwarn(NULL); return FALSE; } closedir(dirp); return TRUE; } static void opstr(char *buf, char *op) { snprintf(buf, CMD_LEN_MAX, "xargs -0 sh -c '%s \"$0\" \"$@\" . < /dev/tty' < %s", op, selpath); } static void rmmulstr(char *buf) { if (g_state.trash) snprintf(buf, CMD_LEN_MAX, "xargs -0 trash-put < %s", selpath); else snprintf(buf, CMD_LEN_MAX, "xargs -0 sh -c 'rm -%cr \"$0\" \"$@\" < /dev/tty' < %s", confirm_force(TRUE), selpath); } static void xrm(char *fpath) { if (g_state.trash) spawn("trash-put", fpath, NULL, F_NORMAL); else { char rm_opts[] = "-ir"; rm_opts[1] = confirm_force(FALSE); spawn("rm", rm_opts, fpath, F_NORMAL | F_CHKRTN); } } static uint lines_in_file(int fd, char *buf, size_t buflen) { ssize_t len; uint count = 0; while ((len = read(fd, buf, buflen)) > 0) while (len) count += (buf[--len] == '\n'); /* For all use cases 0 linecount is considered as error */ return ((len < 0) ? 0 : count); } static bool cpmv_rename(int choice, const char *path) { int fd; uint count = 0, lines = 0; bool ret = FALSE; char *cmd = (choice == 'c' ? cp : mv); char buf[sizeof(patterns[P_CPMVRNM]) + sizeof(cmd) + (PATH_MAX << 1)]; fd = create_tmp_file(); if (fd == -1) return ret; /* selsafe() returned TRUE for this to be called */ if (!selbufpos) { snprintf(buf, sizeof(buf), "tr '\\0' '\\n' < %s > %s", selpath, g_tmpfpath); spawn(utils[UTIL_SH_EXEC], buf, NULL, F_CLI); count = lines_in_file(fd, buf, sizeof(buf)); if (!count) goto finish; } else seltofile(fd, &count); close(fd); snprintf(buf, sizeof(buf), patterns[P_CPMVFMT], g_tmpfpath); spawn(utils[UTIL_SH_EXEC], buf, NULL, F_CLI); spawn((cfg.waitedit ? enveditor : editor), g_tmpfpath, NULL, F_CLI); fd = open(g_tmpfpath, O_RDONLY); if (fd == -1) goto finish; lines = lines_in_file(fd, buf, sizeof(buf)); DPRINTF_U(count); DPRINTF_U(lines); if (!lines || (2 * count != lines)) { DPRINTF_S("num mismatch"); goto finish; } snprintf(buf, sizeof(buf), patterns[P_CPMVRNM], path, g_tmpfpath, cmd); if (!spawn(utils[UTIL_SH_EXEC], buf, NULL, F_CLI | F_CHKRTN)) ret = TRUE; finish: if (fd >= 0) close(fd); return ret; } static bool cpmvrm_selection(enum action sel, char *path) { int r; if (!selsafe()) return FALSE; switch (sel) { case SEL_CP: opstr(g_buf, cp); break; case SEL_MV: opstr(g_buf, mv); break; case SEL_CPMVAS: r = get_input(messages[MSG_CP_MV_AS]); if (r != 'c' && r != 'm') { printmsg(messages[MSG_INVALID_KEY]); return FALSE; } if (!cpmv_rename(r, path)) { printmsg(messages[MSG_FAILED]); return FALSE; } break; default: /* SEL_RM */ rmmulstr(g_buf); break; } if (sel != SEL_CPMVAS && spawn(utils[UTIL_SH_EXEC], g_buf, NULL, F_CLI | F_CHKRTN)) { printmsg(messages[MSG_FAILED]); return FALSE; } /* Clear selection on move or delete */ if (sel != SEL_CP) clearselection(); return TRUE; } #ifndef NOBATCH static bool batch_rename(void) { int fd1, fd2; uint count = 0, lines = 0; bool dir = FALSE, ret = FALSE; char foriginal[TMP_LEN_MAX] = {0}; static const char batchrenamecmd[] = "paste -d'\n' %s %s | sed 'N; /^\\(.*\\)\\n\\1$/!p;d' | " "tr '\n' '\\0' | xargs -0 -n2 mv 2>/dev/null"; char buf[sizeof(batchrenamecmd) + (PATH_MAX << 1)]; int i = get_cur_or_sel(); if (!i) return ret; if (i == 'c') { /* Rename entries in current dir */ selbufpos = 0; dir = TRUE; } fd1 = create_tmp_file(); if (fd1 == -1) return ret; xstrsncpy(foriginal, g_tmpfpath, xstrlen(g_tmpfpath) + 1); fd2 = create_tmp_file(); if (fd2 == -1) { unlink(foriginal); close(fd1); return ret; } if (dir) for (i = 0; i < ndents; ++i) appendfpath(dents[i].name, NAME_MAX); seltofile(fd1, &count); seltofile(fd2, NULL); close(fd2); if (dir) /* Don't retain dir entries in selection */ selbufpos = 0; spawn((cfg.waitedit ? enveditor : editor), g_tmpfpath, NULL, F_CLI); /* Reopen file descriptor to get updated contents */ fd2 = open(g_tmpfpath, O_RDONLY); if (fd2 == -1) goto finish; lines = lines_in_file(fd2, buf, sizeof(buf)); DPRINTF_U(count); DPRINTF_U(lines); if (!lines || (count != lines)) { DPRINTF_S("cannot delete files"); goto finish; } snprintf(buf, sizeof(buf), batchrenamecmd, foriginal, g_tmpfpath); spawn(utils[UTIL_SH_EXEC], buf, NULL, F_CLI); ret = TRUE; finish: if (fd1 >= 0) close(fd1); unlink(foriginal); if (fd2 >= 0) close(fd2); unlink(g_tmpfpath); return ret; } #endif static void get_archive_cmd(char *cmd, const char *archive) { uchar i = 3; const char *arcmd[] = {"atool -a", "bsdtar -acvf", "zip -r", "tar -acvf"}; if (getutil(utils[UTIL_ATOOL])) i = 0; else if (getutil(utils[UTIL_BSDTAR])) i = 1; else if (is_suffix(archive, ".zip")) i = 2; // else tar xstrsncpy(cmd, arcmd[i], ARCHIVE_CMD_LEN); } static void archive_selection(const char *cmd, const char *archive, const char *curpath) { /* The 70 comes from the string below */ char *buf = (char *)malloc((70 + xstrlen(cmd) + xstrlen(archive) + xstrlen(curpath) + xstrlen(selpath)) * sizeof(char)); if (!buf) { DPRINTF_S(strerror(errno)); printwarn(NULL); return; } snprintf(buf, CMD_LEN_MAX, #ifdef __linux__ "sed -ze 's|^%s/||' '%s' | xargs -0 %s %s", curpath, selpath, cmd, archive #else "tr '\\0' '\n' < '%s' | sed -e 's|^%s/||' | tr '\n' '\\0' | xargs -0 %s %s", selpath, curpath, cmd, archive #endif ); spawn(utils[UTIL_SH_EXEC], buf, NULL, F_CLI); free(buf); } static bool write_lastdir(const char *curpath) { bool ret = TRUE; size_t len = xstrlen(cfgdir); xstrsncpy(cfgdir + len, "/.lastd", 8); DPRINTF_S(cfgdir); FILE *fp = fopen(cfgdir, "w"); if (fp) { if (fprintf(fp, "cd \"%s\"", curpath) < 0) ret = FALSE; fclose(fp); } else ret = FALSE; return ret; } /* * We assume none of the strings are NULL. * * Let's have the logic to sort numeric names in numeric order. * E.g., the order '1, 10, 2' doesn't make sense to human eyes. * * If the absolute numeric values are same, we fallback to alphasort. */ static int xstricmp(const char * const s1, const char * const s2) { char *p1, *p2; ll v1 = strtoll(s1, &p1, 10); ll v2 = strtoll(s2, &p2, 10); /* Check if at least 1 string is numeric */ if (s1 != p1 || s2 != p2) { /* Handle both pure numeric */ if (s1 != p1 && s2 != p2) { if (v2 > v1) return -1; if (v1 > v2) return 1; } /* Only first string non-numeric */ if (s1 == p1) return 1; /* Only second string non-numeric */ if (s2 == p2) return -1; } /* Handle 1. all non-numeric and 2. both same numeric value cases */ #ifndef NOLOCALE return strcoll(s1, s2); #else return strcasecmp(s1, s2); #endif } /* * Version comparison * * The code for version compare is a modified version of the GLIBC * and uClibc implementation of strverscmp(). The source is here: * https://elixir.bootlin.com/uclibc-ng/latest/source/libc/string/strverscmp.c */ /* * Compare S1 and S2 as strings holding indices/version numbers, * returning less than, equal to or greater than zero if S1 is less than, * equal to or greater than S2 (for more info, see the texinfo doc). * * Ignores case. */ static int xstrverscasecmp(const char * const s1, const char * const s2) { const uchar *p1 = (const uchar *)s1; const uchar *p2 = (const uchar *)s2; int state, diff; uchar c1, c2; /* * Symbol(s) 0 [1-9] others * Transition (10) 0 (01) d (00) x */ static const uint8_t next_state[] = { /* state x d 0 */ /* S_N */ S_N, S_I, S_Z, /* S_I */ S_N, S_I, S_I, /* S_F */ S_N, S_F, S_F, /* S_Z */ S_N, S_F, S_Z }; static const int8_t result_type[] __attribute__ ((aligned)) = { /* state x/x x/d x/0 d/x d/d d/0 0/x 0/d 0/0 */ /* S_N */ VCMP, VCMP, VCMP, VCMP, VLEN, VCMP, VCMP, VCMP, VCMP, /* S_I */ VCMP, -1, -1, 1, VLEN, VLEN, 1, VLEN, VLEN, /* S_F */ VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, VCMP, /* S_Z */ VCMP, 1, 1, -1, VCMP, VCMP, -1, VCMP, VCMP }; if (p1 == p2) return 0; c1 = TOUPPER(*p1); ++p1; c2 = TOUPPER(*p2); ++p2; /* Hint: '0' is a digit too. */ state = S_N + ((c1 == '0') + (xisdigit(c1) != 0)); while ((diff = c1 - c2) == 0) { if (c1 == '\0') return diff; state = next_state[state]; c1 = TOUPPER(*p1); ++p1; c2 = TOUPPER(*p2); ++p2; state += (c1 == '0') + (xisdigit(c1) != 0); } state = result_type[state * 3 + (((c2 == '0') + (xisdigit(c2) != 0)))]; // NOLINT switch (state) { case VCMP: return diff; case VLEN: while (xisdigit(*p1++)) if (!xisdigit(*p2++)) return 1; return xisdigit(*p2) ? -1 : diff; default: return state; } } static int (*namecmpfn)(const char * const s1, const char * const s2) = &xstricmp; /* Return the integer value of a char representing HEX */ static char xchartohex(char c) { if (xisdigit(c)) return c - '0'; if (c >= 'a' && c <= 'f') return c - 'a' + 10; if (c >= 'A' && c <= 'F') return c - 'A' + 10; return c; } static char * (*fnstrstr)(const char *haystack, const char *needle) = &strcasestr; #ifdef PCRE static const unsigned char *tables; static int pcreflags = PCRE_NO_AUTO_CAPTURE | PCRE_EXTENDED | PCRE_CASELESS | PCRE_UTF8; #else static int regflags = REG_NOSUB | REG_EXTENDED | REG_ICASE; #endif #ifdef PCRE static int setfilter(pcre **pcrex, const char *filter) { const char *errstr = NULL; int erroffset = 0; *pcrex = pcre_compile(filter, pcreflags, &errstr, &erroffset, tables); return errstr ? -1 : 0; } #else static int setfilter(regex_t *regex, const char *filter) { return regcomp(regex, filter, regflags); } #endif static int visible_re(const fltrexp_t *fltrexp, const char *fname) { #ifdef PCRE return pcre_exec(fltrexp->pcrex, NULL, fname, xstrlen(fname), 0, 0, NULL, 0) == 0; #else return regexec(fltrexp->regex, fname, 0, NULL, 0) == 0; #endif } static int visible_str(const fltrexp_t *fltrexp, const char *fname) { return fnstrstr(fname, fltrexp->str) != NULL; } static int (*filterfn)(const fltrexp_t *fltr, const char *fname) = &visible_str; static void clearfilter(void) { char *fltr = g_ctx[cfg.curctx].c_fltr; if (fltr[1]) { fltr[REGEX_MAX - 1] = fltr[1]; fltr[1] = '\0'; } } static int entrycmp(const void *va, const void *vb) { const struct entry *pa = (pEntry)va; const struct entry *pb = (pEntry)vb; if ((pb->flags & DIR_OR_LINK_TO_DIR) != (pa->flags & DIR_OR_LINK_TO_DIR)) { if (pb->flags & DIR_OR_LINK_TO_DIR) return 1; return -1; } /* Sort based on specified order */ if (cfg.timeorder) { if (pb->t > pa->t) return 1; if (pb->t < pa->t) return -1; } else if (cfg.sizeorder) { if (pb->size > pa->size) return 1; if (pb->size < pa->size) return -1; } else if (cfg.blkorder) { if (pb->blocks > pa->blocks) return 1; if (pb->blocks < pa->blocks) return -1; } else if (cfg.extnorder && !(pb->flags & DIR_OR_LINK_TO_DIR)) { char *extna = xmemrchr((uchar *)pa->name, '.', pa->nlen - 1); char *extnb = xmemrchr((uchar *)pb->name, '.', pb->nlen - 1); if (extna || extnb) { if (!extna) return -1; if (!extnb) return 1; int ret = strcasecmp(extna, extnb); if (ret) return ret; } } return namecmpfn(pa->name, pb->name); } static int reventrycmp(const void *va, const void *vb) { if ((((pEntry)vb)->flags & DIR_OR_LINK_TO_DIR) != (((pEntry)va)->flags & DIR_OR_LINK_TO_DIR)) { if (((pEntry)vb)->flags & DIR_OR_LINK_TO_DIR) return 1; return -1; } return -entrycmp(va, vb); } static int (*entrycmpfn)(const void *va, const void *vb) = &entrycmp; /* In case of an error, resets *wch to Esc */ static int handle_alt_key(wint_t *wch) { timeout(0); int r = get_wch(wch); if (r == ERR) *wch = 27; cleartimeout(); return r; } /* * Returns SEL_* if key is bound and 0 otherwise. * Also modifies the run and env pointers (used on SEL_{RUN,RUNARG}). * The next keyboard input can be simulated by presel. */ static int nextsel(int presel) { int c = presel; uint i; if (c == 0 || c == MSGWAIT) { c = getch(); //DPRINTF_D(c); //DPRINTF_S(keyname(c)); /* Handle Alt+key */ if (c == 27) { timeout(0); c = getch(); if (c != ERR) { ungetch(c); c = ';'; } else c = 27; settimeout(); } if (c == ERR && presel == MSGWAIT) c = (cfg.filtermode || filterset()) ? FILTER : CONTROL('L'); else if (c == FILTER || c == CONTROL('L')) /* Clear previous filter when manually starting */ clearfilter(); } if (c == -1) { ++idle; /* * Do not check for directory changes in du mode. * A redraw forces du calculation. * Check for changes every odd second. */ #ifdef LINUX_INOTIFY if (!cfg.selmode && !cfg.blkorder && inotify_wd >= 0 && (idle & 1)) { struct inotify_event *event; char inotify_buf[EVENT_BUF_LEN]; memset((void *)inotify_buf, 0x0, EVENT_BUF_LEN); i = read(inotify_fd, inotify_buf, EVENT_BUF_LEN); if (i > 0) { for (char *ptr = inotify_buf; ptr + ((struct inotify_event *)ptr)->len < inotify_buf + i; ptr += sizeof(struct inotify_event) + event->len) { event = (struct inotify_event *) ptr; DPRINTF_D(event->wd); DPRINTF_D(event->mask); if (!event->wd) break; if (event->mask & INOTIFY_MASK) { c = CONTROL('L'); DPRINTF_S("issue refresh"); break; } } DPRINTF_S("inotify read done"); } } #elif defined(BSD_KQUEUE) if (!cfg.selmode && !cfg.blkorder && event_fd >= 0 && idle & 1) { struct kevent event_data[NUM_EVENT_SLOTS]; memset((void *)event_data, 0x0, sizeof(struct kevent) * NUM_EVENT_SLOTS); if (kevent(kq, events_to_monitor, NUM_EVENT_SLOTS, event_data, NUM_EVENT_FDS, >imeout) > 0) c = CONTROL('L'); } #elif defined(HAIKU_NM) if (!cfg.selmode && !cfg.blkorder && haiku_nm_active && idle & 1 && haiku_is_update_needed(haiku_hnd)) c = CONTROL('L'); #endif } else idle = 0; for (i = 0; i < (int)ELEMENTS(bindings); ++i) if (c == bindings[i].sym) return bindings[i].act; return 0; } static int getorderstr(char *sort) { int i = 0; if (cfg.timeorder) sort[0] = (cfg.timetype == T_MOD) ? 'M' : ((cfg.timetype == T_ACCESS) ? 'A' : 'C'); else if (cfg.sizeorder) sort[0] = 'S'; else if (cfg.extnorder) sort[0] = 'E'; if (sort[i]) ++i; if (entrycmpfn == &reventrycmp) { sort[i] = 'R'; ++i; } if (namecmpfn == &xstrverscasecmp) { sort[i] = 'V'; ++i; } if (i) sort[i] = ' '; return i; } static void showfilterinfo(void) { int i = 0; char info[REGEX_MAX] = "\0\0\0\0"; i = getorderstr(info); snprintf(info + i, REGEX_MAX - i - 1, " %s [/], %s [:]", (cfg.regex ? "regex" : "str"), ((fnstrstr == &strcasestr) ? "ic" : "noic")); clearinfoln(); mvaddstr(xlines - 2, xcols - xstrlen(info), info); } static void showfilter(char *str) { attron(COLOR_PAIR(cfg.curctx + 1)); showfilterinfo(); printmsg(str); // printmsg calls attroff() } static inline void swap_ent(int id1, int id2) { struct entry _dent, *pdent1 = &dents[id1], *pdent2 = &dents[id2]; *(&_dent) = *pdent1; *pdent1 = *pdent2; *pdent2 = *(&_dent); } #ifdef PCRE static int fill(const char *fltr, pcre *pcrex) #else static int fill(const char *fltr, regex_t *re) #endif { #ifdef PCRE fltrexp_t fltrexp = { .pcrex = pcrex, .str = fltr }; #else fltrexp_t fltrexp = { .regex = re, .str = fltr }; #endif for (int count = 0; count < ndents; ++count) { if (filterfn(&fltrexp, dents[count].name) == 0) { if (count != --ndents) { swap_ent(count, ndents); --count; } continue; } } return ndents; } static int matches(const char *fltr) { #ifdef PCRE pcre *pcrex = NULL; /* Search filter */ if (cfg.regex && setfilter(&pcrex, fltr)) return -1; ndents = fill(fltr, pcrex); if (cfg.regex) pcre_free(pcrex); #else regex_t re; /* Search filter */ if (cfg.regex && setfilter(&re, fltr)) return -1; ndents = fill(fltr, &re); if (cfg.regex) regfree(&re); #endif qsort(dents, ndents, sizeof(*dents), entrycmpfn); return ndents; } static int filterentries(char *path, char *lastname) { wchar_t *wln = (wchar_t *)alloca(sizeof(wchar_t) * REGEX_MAX); char *ln = g_ctx[cfg.curctx].c_fltr; wint_t ch[2] = {0}; int r, total = ndents, len; char *pln = g_ctx[cfg.curctx].c_fltr + 1; DPRINTF_S(__FUNCTION__); if (ndents && (ln[0] == FILTER || ln[0] == RFILTER) && *pln) { if (matches(pln) != -1) { move_cursor(dentfind(lastname, ndents), 0); redraw(path); } if (!cfg.filtermode) return 0; len = mbstowcs(wln, ln, REGEX_MAX); } else { ln[0] = wln[0] = cfg.regex ? RFILTER : FILTER; ln[1] = wln[1] = '\0'; len = 1; } cleartimeout(); curs_set(TRUE); showfilter(ln); while ((r = get_wch(ch)) != ERR) { //DPRINTF_D(*ch); //DPRINTF_S(keyname(*ch)); switch (*ch) { #ifdef KEY_RESIZE case KEY_RESIZE: clearoldprompt(); redraw(path); showfilter(ln); continue; #endif case KEY_DC: // fallthrough case KEY_BACKSPACE: // fallthrough case '\b': // fallthrough case 127: /* handle DEL */ if (len != 1) { wln[--len] = '\0'; wcstombs(ln, wln, REGEX_MAX); ndents = total; } else continue; // fallthrough case CONTROL('L'): if (*ch == CONTROL('L')) { if (wln[1]) { ln[REGEX_MAX - 1] = ln[1]; ln[1] = wln[1] = '\0'; len = 1; ndents = total; } else if (ln[REGEX_MAX - 1]) { /* Show the previous filter */ ln[1] = ln[REGEX_MAX - 1]; ln[REGEX_MAX - 1] = '\0'; len = mbstowcs(wln, ln, REGEX_MAX); } } /* Go to the top, we don't know if the hovered file will match the filter */ cur = 0; if (matches(pln) != -1) redraw(path); showfilter(ln); continue; #ifndef NOMOUSE case KEY_MOUSE: goto end; #endif case 27: /* Exit filter mode on Escape and Alt+key */ if (handle_alt_key(ch) != ERR) { unget_wch(*ch); *ch = ';'; } goto end; } if (r != OK) /* Handle Fn keys in main loop */ break; /* Handle all control chars in main loop */ if (*ch < ASCII_MAX && keyname(*ch)[0] == '^' && *ch != '^') goto end; if (len == 1) { if (*ch == '?') /* Help and config key, '?' is an invalid regex */ goto end; if (cfg.filtermode) { switch (*ch) { case '\'': // fallthrough /* Go to first non-dir file */ case '+': // fallthrough /* Toggle auto-advance */ case ',': // fallthrough /* Pin CWD */ case '-': // fallthrough /* Visit last visited dir */ case '.': // fallthrough /* Show hidden files */ case ';': // fallthrough /* Run plugin key */ case '=': // fallthrough /* Launch app */ case '>': // fallthrough /* Export file list */ case '@': // fallthrough /* Visit start dir */ case ']': // fallthorugh /* Prompt key */ case '`': // fallthrough /* Visit / */ case '~': /* Go HOME */ goto end; } } /* Toggle case-sensitivity */ if (*ch == CASE) { fnstrstr = (fnstrstr == &strcasestr) ? &strstr : &strcasestr; #ifdef PCRE pcreflags ^= PCRE_CASELESS; #else regflags ^= REG_ICASE; #endif showfilter(ln); continue; } /* toggle string or regex filter */ if (*ch == FILTER) { ln[0] = (ln[0] == FILTER) ? RFILTER : FILTER; wln[0] = (uchar)ln[0]; cfg.regex ^= 1; filterfn = cfg.regex ? &visible_re : &visible_str; showfilter(ln); continue; } /* Reset cur in case it's a repeat search */ cur = 0; } else if (len == REGEX_MAX - 1) continue; wln[len] = (wchar_t)*ch; wln[++len] = '\0'; wcstombs(ln, wln, REGEX_MAX); /* Forward-filtering optimization: * - new matches can only be a subset of current matches. */ /* ndents = total; */ if (matches(pln) == -1) { showfilter(ln); continue; } /* If the only match is a dir, auto-select and cd into it */ if (ndents == 1 && cfg.filtermode && cfg.autoselect && (dents[0].flags & DIR_OR_LINK_TO_DIR)) { *ch = KEY_ENTER; cur = 0; goto end; } /* * redraw() should be above the auto-select optimization, for * the case where there's an issue with dir auto-select, say, * due to a permission problem. The transition is _jumpy_ in * case of such an error. However, we optimize for successful * cases where the dir has permissions. This skips a redraw(). */ redraw(path); showfilter(ln); } end: clearinfoln(); /* Save last working filter in-filter */ if (ln[1]) ln[REGEX_MAX - 1] = ln[1]; /* Save current */ if (ndents) copycurname(); curs_set(FALSE); settimeout(); /* Return keys for navigation etc. */ return *ch; } /* Show a prompt with input string and return the changes */ static char *xreadline(const char *prefill, const char *prompt) { size_t len, pos; int x, r; const int WCHAR_T_WIDTH = sizeof(wchar_t); wint_t ch[2] = {0}; wchar_t * const buf = malloc(sizeof(wchar_t) * READLINE_MAX); if (!buf) errexit(); cleartimeout(); printmsg(prompt); if (prefill) { DPRINTF_S(prefill); len = pos = mbstowcs(buf, prefill, READLINE_MAX); } else len = (size_t)-1; if (len == (size_t)-1) { buf[0] = '\0'; len = pos = 0; } x = getcurx(stdscr); curs_set(TRUE); while (1) { buf[len] = ' '; attron(COLOR_PAIR(cfg.curctx + 1)); mvaddnwstr(xlines - 1, x, buf, len + 1); move(xlines - 1, x + wcswidth(buf, pos)); attroff(COLOR_PAIR(cfg.curctx + 1)); r = get_wch(ch); if (r == ERR) continue; if (r == OK) { switch (*ch) { case KEY_ENTER: // fallthrough case '\n': // fallthrough case '\r': goto END; case CONTROL('D'): if (pos < len) ++pos; else if (!(pos || len)) { /* Exit on ^D at empty prompt */ len = 0; goto END; } else continue; // fallthrough case 127: // fallthrough case '\b': /* rhel25 sends '\b' for backspace */ if (pos > 0) { memmove(buf + pos - 1, buf + pos, (len - pos) * WCHAR_T_WIDTH); --len, --pos; } // fallthrough case '\t': /* TAB breaks cursor position, ignore it */ continue; case CONTROL('F'): if (pos < len) ++pos; continue; case CONTROL('B'): if (pos > 0) --pos; continue; case CONTROL('W'): printmsg(prompt); do { if (pos == 0) break; memmove(buf + pos - 1, buf + pos, (len - pos) * WCHAR_T_WIDTH); --pos, --len; } while (buf[pos - 1] != ' ' && buf[pos - 1] != '/'); // NOLINT continue; case CONTROL('K'): printmsg(prompt); len = pos; continue; case CONTROL('L'): printmsg(prompt); len = pos = 0; continue; case CONTROL('A'): pos = 0; continue; case CONTROL('E'): pos = len; continue; case CONTROL('U'): printmsg(prompt); memmove(buf, buf + pos, (len - pos) * WCHAR_T_WIDTH); len -= pos; pos = 0; continue; case 27: /* Exit prompt on Escape, but just filter out Alt+key */ if (handle_alt_key(ch) != ERR) continue; len = 0; goto END; } /* Filter out all other control chars */ if (*ch < ASCII_MAX && keyname(*ch)[0] == '^') continue; if (pos < READLINE_MAX - 1) { memmove(buf + pos + 1, buf + pos, (len - pos) * WCHAR_T_WIDTH); buf[pos] = *ch; ++len, ++pos; continue; } } else { switch (*ch) { #ifdef KEY_RESIZE case KEY_RESIZE: clearoldprompt(); xlines = LINES; printmsg(prompt); break; #endif case KEY_LEFT: if (pos > 0) --pos; break; case KEY_RIGHT: if (pos < len) ++pos; break; case KEY_BACKSPACE: if (pos > 0) { memmove(buf + pos - 1, buf + pos, (len - pos) * WCHAR_T_WIDTH); --len, --pos; } break; case KEY_DC: if (pos < len) { memmove(buf + pos, buf + pos + 1, (len - pos - 1) * WCHAR_T_WIDTH); --len; } break; case KEY_END: pos = len; break; case KEY_HOME: pos = 0; break; default: break; } } } END: curs_set(FALSE); settimeout(); printmsg(""); buf[len] = '\0'; pos = wcstombs(g_buf, buf, READLINE_MAX - 1); if (pos >= READLINE_MAX - 1) g_buf[READLINE_MAX - 1] = '\0'; free(buf); return g_buf; } #ifndef NORL /* * Caller should check the value of presel to confirm if it needs to wait to show warning */ static char *getreadline(const char *prompt) { exitcurses(); char *input = readline(prompt); refresh(); if (input && input[0]) { add_history(input); xstrsncpy(g_buf, input, CMD_LEN_MAX); free(input); return g_buf; } free(input); return NULL; } #endif /* * Updates out with "dir/name or "/name" * Returns the number of bytes copied including the terminating NULL byte */ static size_t mkpath(const char *dir, const char *name, char *out) { size_t len; /* Handle absolute path */ if (name[0] == '/') // NOLINT return xstrsncpy(out, name, PATH_MAX); /* Handle root case */ if (istopdir(dir)) len = 1; else len = xstrsncpy(out, dir, PATH_MAX); out[len - 1] = '/'; // NOLINT return (xstrsncpy(out + len, name, PATH_MAX - len) + len); } /* * Create symbolic/hard link(s) to file(s) in selection list * Returns the number of links created, -1 on error */ static int xlink(char *prefix, char *path, char *curfname, char *buf, int *presel, int type) { int count = 0, choice; char *psel = pselbuf, *fname; size_t pos = 0, len, r; int (*link_fn)(const char *, const char *) = NULL; char lnpath[PATH_MAX]; choice = get_cur_or_sel(); if (!choice) return -1; if (type == 's') /* symbolic link */ link_fn = &symlink; else /* hard link */ link_fn = &link; if (choice == 'c') { r = xstrsncpy(buf, prefix, NAME_MAX + 1); /* Copy prefix */ xstrsncpy(buf + r - 1, curfname, NAME_MAX - r); /* Suffix target file name */ mkpath(path, buf, lnpath); /* Generate link path */ mkpath(path, curfname, buf); /* Generate target file path */ if (!link_fn(buf, lnpath)) return 1; /* One link created */ printwarn(presel); return -1; } while (pos < selbufpos) { len = xstrlen(psel); fname = xbasename(psel); r = xstrsncpy(buf, prefix, NAME_MAX + 1); /* Copy prefix */ xstrsncpy(buf + r - 1, fname, NAME_MAX - r); /* Suffix target file name */ mkpath(path, buf, lnpath); /* Generate link path */ if (!link_fn(psel, lnpath)) ++count; pos += len + 1; psel += len + 1; } return count; } static bool parsekvpair(kv **arr, char **envcpy, const uchar id, uchar *items) { bool next = TRUE; const uchar INCR = 8; uint i = 0; kv *kvarr = NULL; char *ptr = getenv(env_cfg[id]); if (!ptr || !*ptr) return TRUE; *envcpy = xstrdup(ptr); if (!*envcpy) { xerror(); return FALSE; } ptr = *envcpy; while (*ptr && i < 100) { if (next) { if (!(i & (INCR - 1))) { kvarr = xrealloc(kvarr, sizeof(kv) * (i + INCR)); *arr = kvarr; if (!kvarr) { xerror(); return FALSE; } memset(kvarr + i, 0, sizeof(kv) * INCR); } kvarr[i].key = (uchar)*ptr; if (*++ptr != ':' || *++ptr == '\0' || *ptr == ';') return FALSE; kvarr[i].off = ptr - *envcpy; ++i; } if (*ptr == ';') { *ptr = '\0'; next = TRUE; } else if (next) next = FALSE; ++ptr; } *items = i; return (i != 0); } /* * Get the value corresponding to a key * * NULL is returned in case of no match, path resolution failure etc. * buf would be modified, so check return value before access */ static char *get_kv_val(kv *kvarr, char *buf, int key, uchar max, uchar id) { char *val; if (!kvarr) return NULL; for (int r = 0; kvarr[r].key && r < max; ++r) { if (kvarr[r].key == key) { /* Do not allocate new memory for plugin */ if (id == NNN_PLUG) return pluginstr + kvarr[r].off; val = bmstr + kvarr[r].off; if (val[0] == '~') { ssize_t len = xstrlen(home); ssize_t loclen = xstrlen(val); xstrsncpy(g_buf, home, len + 1); xstrsncpy(g_buf + len, val + 1, loclen); } return realpath(((val[0] == '~') ? g_buf : val), buf); } } DPRINTF_S("Invalid key"); return NULL; } static void resetdircolor(int flags) { if (g_state.dircolor && !(flags & DIR_OR_LINK_TO_DIR)) { attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); g_state.dircolor = 0; } } /* * Replace escape characters in a string with '?' * Adjust string length to maxcols if > 0; * Max supported str length: NAME_MAX; */ #ifndef NOLOCALE static wchar_t *unescape(const char *str, uint maxcols) { wchar_t * const wbuf = (wchar_t *)g_buf; wchar_t *buf = wbuf; size_t lencount = 0; /* Convert multi-byte to wide char */ size_t len = mbstowcs(wbuf, str, NAME_MAX); len = wcswidth(wbuf, len); /* Reduce number of wide chars to max columns */ if (len > maxcols) { while (*buf && lencount <= maxcols) { if (*buf <= '\x1f' || *buf == '\x7f') *buf = '\?'; ++buf; ++lencount; } lencount = maxcols + 1; /* Reduce wide chars one by one till it fits */ do len = wcswidth(wbuf, --lencount); while (len > maxcols); wbuf[lencount] = L'\0'; } else { do /* We do not expect a NULL string */ if (*buf <= '\x1f' || *buf == '\x7f') *buf = '\?'; while (*++buf); } return wbuf; } #else static char *unescape(const char *str, uint maxcols) { ssize_t len = (ssize_t)xstrsncpy(g_buf, str, maxcols); --len; while (--len >= 0) if (g_buf[len] <= '\x1f' || g_buf[len] == '\x7f') g_buf[len] = '\?'; return g_buf; } #endif static char *coolsize(off_t size) { const char * const U = "BKMGTPEZY"; static char size_buf[12]; /* Buffer to hold human readable size */ off_t rem = 0; size_t ret; int i = 0; while (size >= 1024) { rem = size & (0x3FF); /* 1024 - 1 = 0x3FF */ size >>= 10; ++i; } if (i == 1) { rem = (rem * 1000) >> 10; rem /= 10; if (rem % 10 >= 5) { rem = (rem / 10) + 1; if (rem == 10) { ++size; rem = 0; } } else rem /= 10; } else if (i == 2) { rem = (rem * 1000) >> 10; if (rem % 10 >= 5) { rem = (rem / 10) + 1; if (rem == 100) { ++size; rem = 0; } } else rem /= 10; } else if (i > 0) { rem = (rem * 10000) >> 10; if (rem % 10 >= 5) { rem = (rem / 10) + 1; if (rem == 1000) { ++size; rem = 0; } } else rem /= 10; } if (i > 0 && i < 6 && rem) { ret = xstrsncpy(size_buf, xitoa(size), 12); size_buf[ret - 1] = '.'; char *frac = xitoa(rem); size_t toprint = i > 3 ? 3 : i; size_t len = xstrlen(frac); if (len < toprint) { size_buf[ret] = size_buf[ret + 1] = size_buf[ret + 2] = '0'; xstrsncpy(size_buf + ret + (toprint - len), frac, len + 1); } else xstrsncpy(size_buf + ret, frac, toprint + 1); ret += toprint; } else { ret = xstrsncpy(size_buf, size ? xitoa(size) : "0", 12); --ret; } size_buf[ret] = U[i]; size_buf[ret + 1] = '\0'; return size_buf; } static char get_ind(mode_t mode, bool perms) { switch (mode & S_IFMT) { case S_IFREG: if (perms) return '-'; if (mode & 0100) return '*'; return '\0'; case S_IFDIR: return perms ? 'd' : '/'; case S_IFLNK: return perms ? 'l' : '@'; case S_IFSOCK: return perms ? 's' : '='; case S_IFIFO: return perms ? 'p' : '|'; case S_IFBLK: return perms ? 'b' : '\0'; case S_IFCHR: return perms ? 'c' : '\0'; default: return '?'; } } /* Convert a mode field into "ls -l" type perms field. */ static char *get_lsperms(mode_t mode) { static const char * const rwx[] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"}; static char bits[11] = {'\0'}; bits[0] = get_ind(mode, TRUE); xstrsncpy(&bits[1], rwx[(mode >> 6) & 7], 4); xstrsncpy(&bits[4], rwx[(mode >> 3) & 7], 4); xstrsncpy(&bits[7], rwx[(mode & 7)], 4); if (mode & S_ISUID) bits[3] = (mode & 0100) ? 's' : 'S'; /* user executable */ if (mode & S_ISGID) bits[6] = (mode & 0010) ? 's' : 'l'; /* group executable */ if (mode & S_ISVTX) bits[9] = (mode & 0001) ? 't' : 'T'; /* others executable */ return bits; } static void print_time(const time_t *timep) { struct tm *t = localtime(timep); printw("%d-%02d-%02d %02d:%02d", t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min); } static void printent(const struct entry *ent, uint namecols, bool sel) { char ind = get_ind(ent->mode, FALSE); int attrs = ((ind == '@' || (ent->flags & HARD_LINK)) ? A_DIM : 0) | (sel ? A_REVERSE : 0); if (ind == '@' && (ent->flags & DIR_OR_LINK_TO_DIR)) ind = '/'; if (!ind) ++namecols; /* Directories are always shown on top */ resetdircolor(ent->flags); addch((ent->flags & FILE_SELECTED) ? '+' : ' '); if (attrs) attron(attrs); #ifndef NOLOCALE addwstr(unescape(ent->name, namecols)); #else addstr(unescape(ent->name, MIN(namecols, ent->nlen) + 1)); #endif if (attrs) attroff(attrs); if (ind) addch(ind); addch('\n'); } static void printent_long(const struct entry *ent, uint namecols, bool sel) { bool ln = FALSE; char ind1 = '\0', ind2 = '\0'; int attrs = sel ? A_REVERSE | A_DIM : A_DIM; uint len; char *size; /* Directories are always shown on top */ resetdircolor(ent->flags); addch((ent->flags & FILE_SELECTED) ? '+' : ' '); if (attrs) attron(attrs); /* Timestamp */ print_time(&ent->t); addstr(" "); /* Permissions */ addch('0' + ((ent->mode >> 6) & 7)); addch('0' + ((ent->mode >> 3) & 7)); addch('0' + (ent->mode & 7)); switch (ent->mode & S_IFMT) { case S_IFDIR: ind2 = '/'; // fallthrough case S_IFREG: if (!ind2) { if (ent->flags & HARD_LINK) ln = TRUE; if (ent->mode & 0100) ind2 = '*'; if (!ind2) /* Add a column if end indicator is not needed */ ++namecols; } size = coolsize(cfg.blkorder ? ent->blocks << blk_shift : ent->size); len = 10 - (uint)xstrlen(size); while (--len) addch(' '); addstr(size); break; case S_IFLNK: ln = TRUE; ind1 = '@'; ind2 = (ent->flags & DIR_OR_LINK_TO_DIR) ? '/' : '@'; // fallthrough case S_IFSOCK: if (!ind1) ind1 = ind2 = '='; // fallthrough case S_IFIFO: if (!ind1) ind1 = ind2 = '|'; // fallthrough case S_IFBLK: if (!ind1) ind1 = 'b'; // fallthrough case S_IFCHR: if (!ind1) ind1 = 'c'; // fallthrough default: if (!ind1) ind1 = ind2 = '?'; addstr(" "); addch(ind1); break; } addstr(" "); if (!ln) { attroff(A_DIM); attrs ^= A_DIM; } #ifndef NOLOCALE addwstr(unescape(ent->name, namecols)); #else addstr(unescape(ent->name, MIN(namecols, ent->nlen) + 1)); #endif if (attrs) attroff(attrs); if (ind2) addch(ind2); addch('\n'); } static void (*printptr)(const struct entry *ent, uint namecols, bool sel) = &printent; static void savecurctx(settings *curcfg, char *path, char *curname, int r /* next context num */) { settings cfg = *curcfg; context *ctxr = &g_ctx[r]; bool selmode = cfg.selmode ? TRUE : FALSE; /* Save current context */ if (ndents) xstrsncpy(g_ctx[cfg.curctx].c_name, curname, NAME_MAX + 1); else g_ctx[cfg.curctx].c_name[0] = '\0'; g_ctx[cfg.curctx].c_cfg = cfg; if (ctxr->c_cfg.ctxactive) { /* Switch to saved context */ /* Switch light/detail mode */ if (cfg.showdetail != ctxr->c_cfg.showdetail) /* set the reverse */ printptr = cfg.showdetail ? &printent : &printent_long; cfg = ctxr->c_cfg; } else { /* Setup a new context from current context */ ctxr->c_cfg.ctxactive = 1; xstrsncpy(ctxr->c_path, path, PATH_MAX); ctxr->c_last[0] = ctxr->c_name[0] = ctxr->c_fltr[0] = ctxr->c_fltr[1] = '\0'; ctxr->c_cfg = cfg; ctxr->c_cfg.runplugin = 0; } /* Continue selection mode */ cfg.selmode = selmode; cfg.curctx = r; *curcfg = cfg; } static void save_session(bool last_session, int *presel) { char spath[PATH_MAX]; int i; session_header_t header; FILE *fsession; char *sname; bool status = FALSE; memset(&header, 0, sizeof(session_header_t)); header.ver = SESSIONS_VERSION; for (i = 0; i < CTX_MAX; ++i) { if (g_ctx[i].c_cfg.ctxactive) { if (cfg.curctx == i && ndents) /* Update current file name, arrows don't update it */ xstrsncpy(g_ctx[i].c_name, dents[cur].name, NAME_MAX + 1); header.pathln[i] = strnlen(g_ctx[i].c_path, PATH_MAX) + 1; header.lastln[i] = strnlen(g_ctx[i].c_last, PATH_MAX) + 1; header.nameln[i] = strnlen(g_ctx[i].c_name, NAME_MAX) + 1; header.fltrln[i] = strnlen(g_ctx[i].c_fltr, REGEX_MAX) + 1; } } sname = !last_session ? xreadline(NULL, messages[MSG_SSN_NAME]) : "@"; if (!sname[0]) return; mkpath(sessiondir, sname, spath); fsession = fopen(spath, "wb"); if (!fsession) { printwait(messages[MSG_SEL_MISSING], presel); return; } if ((fwrite(&header, sizeof(header), 1, fsession) != 1) || (fwrite(&cfg, sizeof(cfg), 1, fsession) != 1)) goto END; for (i = 0; i < CTX_MAX; ++i) if ((fwrite(&g_ctx[i].c_cfg, sizeof(settings), 1, fsession) != 1) || (fwrite(&g_ctx[i].color, sizeof(uint), 1, fsession) != 1) || (header.nameln[i] > 0 && fwrite(g_ctx[i].c_name, header.nameln[i], 1, fsession) != 1) || (header.lastln[i] > 0 && fwrite(g_ctx[i].c_last, header.lastln[i], 1, fsession) != 1) || (header.fltrln[i] > 0 && fwrite(g_ctx[i].c_fltr, header.fltrln[i], 1, fsession) != 1) || (header.pathln[i] > 0 && fwrite(g_ctx[i].c_path, header.pathln[i], 1, fsession) != 1)) goto END; status = TRUE; END: fclose(fsession); if (!status) printwait(messages[MSG_FAILED], presel); } static bool load_session(const char *sname, char **path, char **lastdir, char **lastname, bool restore) { char spath[PATH_MAX]; int i = 0; session_header_t header; FILE *fsession; bool has_loaded_dynamically = !(sname || restore); bool status = FALSE; if (!restore) { sname = sname ? sname : xreadline(NULL, messages[MSG_SSN_NAME]); if (!sname[0]) return FALSE; mkpath(sessiondir, sname, spath); } else mkpath(sessiondir, "@", spath); if (has_loaded_dynamically) save_session(TRUE, NULL); fsession = fopen(spath, "rb"); if (!fsession) { printmsg(messages[MSG_SEL_MISSING]); xdelay(XDELAY_INTERVAL_MS); return FALSE; } if ((fread(&header, sizeof(header), 1, fsession) != 1) || (header.ver != SESSIONS_VERSION) || (fread(&cfg, sizeof(cfg), 1, fsession) != 1)) goto END; g_ctx[cfg.curctx].c_name[0] = g_ctx[cfg.curctx].c_last[0] = g_ctx[cfg.curctx].c_fltr[0] = g_ctx[cfg.curctx].c_fltr[1] = '\0'; for (; i < CTX_MAX; ++i) if ((fread(&g_ctx[i].c_cfg, sizeof(settings), 1, fsession) != 1) || (fread(&g_ctx[i].color, sizeof(uint), 1, fsession) != 1) || (header.nameln[i] > 0 && fread(g_ctx[i].c_name, header.nameln[i], 1, fsession) != 1) || (header.lastln[i] > 0 && fread(g_ctx[i].c_last, header.lastln[i], 1, fsession) != 1) || (header.fltrln[i] > 0 && fread(g_ctx[i].c_fltr, header.fltrln[i], 1, fsession) != 1) || (header.pathln[i] > 0 && fread(g_ctx[i].c_path, header.pathln[i], 1, fsession) != 1)) goto END; *path = g_ctx[cfg.curctx].c_path; *lastdir = g_ctx[cfg.curctx].c_last; *lastname = g_ctx[cfg.curctx].c_name; printptr = cfg.showdetail ? &printent_long : &printent; status = TRUE; END: fclose(fsession); if (!status) { printmsg(messages[MSG_FAILED]); xdelay(XDELAY_INTERVAL_MS); } else if (restore) unlink(spath); return status; } static uchar get_free_ctx(void) { uchar r = cfg.curctx; do r = (r + 1) & ~CTX_MAX; while (g_ctx[r].c_cfg.ctxactive && (r != cfg.curctx)); return r; } /* * Gets only a single line (that's what we need * for now) or shows full command output in pager. * * If page is valid, returns NULL */ static char *get_output(char *buf, const size_t bytes, const char *file, const char *arg1, const char *arg2, const bool page) { pid_t pid; int pipefd[2]; FILE *pf; int tmp, flags; char *ret = NULL; if (pipe(pipefd) == -1) errexit(); for (tmp = 0; tmp < 2; ++tmp) { /* Get previous flags */ flags = fcntl(pipefd[tmp], F_GETFL, 0); /* Set bit for non-blocking flag */ flags |= O_NONBLOCK; /* Change flags on fd */ fcntl(pipefd[tmp], F_SETFL, flags); } pid = fork(); if (pid == 0) { /* In child */ close(pipefd[0]); dup2(pipefd[1], STDOUT_FILENO); dup2(pipefd[1], STDERR_FILENO); close(pipefd[1]); execlp(file, file, arg1, arg2, NULL); _exit(EXIT_SUCCESS); } /* In parent */ waitpid(pid, &tmp, 0); close(pipefd[1]); if (!page) { pf = fdopen(pipefd[0], "r"); if (pf) { ret = fgets(buf, bytes, pf); close(pipefd[0]); } return ret; } pid = fork(); if (pid == 0) { /* Show in pager in child */ dup2(pipefd[0], STDIN_FILENO); close(pipefd[0]); spawn(pager, NULL, NULL, F_CLI); _exit(EXIT_SUCCESS); } /* In parent */ waitpid(pid, &tmp, 0); close(pipefd[0]); return NULL; } static inline bool getutil(char *util) { return spawn("which", util, NULL, F_NORMAL | F_NOTRACE) == 0; } static void pipetof(char *cmd, FILE *fout) { FILE *fin = popen(cmd, "r"); if (fin) { while (fgets(g_buf, CMD_LEN_MAX - 1, fin)) fprintf(fout, "%s", g_buf); pclose(fin); } } /* * Follows the stat(1) output closely */ static bool show_stats(const char *fpath, const struct stat *sb) { int fd; FILE *fp; char *p, *begin = g_buf; size_t r; fd = create_tmp_file(); if (fd == -1) return FALSE; r = xstrsncpy(g_buf, "stat \"", PATH_MAX); r += xstrsncpy(g_buf + r - 1, fpath, PATH_MAX); g_buf[r - 2] = '\"'; g_buf[r - 1] = '\0'; DPRINTF_S(g_buf); fp = fdopen(fd, "w"); if (!fp) { close(fd); return FALSE; } pipetof(g_buf, fp); if (S_ISREG(sb->st_mode)) { /* Show file(1) output */ p = get_output(g_buf, CMD_LEN_MAX, "file", "-b", fpath, FALSE); if (p) { fprintf(fp, "\n\n "); while (*p) { if (*p == ',') { *p = '\0'; fprintf(fp, " %s\n", begin); begin = p + 1; } ++p; } fprintf(fp, " %s\n ", begin); #ifdef FILE_MIME_OPTS /* Show the file mime type */ get_output(g_buf, CMD_LEN_MAX, "file", FILE_MIME_OPTS, fpath, FALSE); fprintf(fp, "%s", g_buf); #endif } } fprintf(fp, "\n"); fclose(fp); close(fd); spawn(pager, g_tmpfpath, NULL, F_CLI); unlink(g_tmpfpath); return TRUE; } static bool xchmod(const char *fpath, mode_t mode) { /* (Un)set (S_IXUSR | S_IXGRP | S_IXOTH) */ (0100 & mode) ? (mode &= ~0111) : (mode |= 0111); return (chmod(fpath, mode) == 0); } static size_t get_fs_info(const char *path, bool type) { struct statvfs svb; if (statvfs(path, &svb) == -1) return 0; if (type == CAPACITY) return svb.f_blocks << ffs((int)(svb.f_frsize >> 1)); return svb.f_bavail << ffs((int)(svb.f_frsize >> 1)); } /* List or extract archive */ static void handle_archive(char *fpath, char op) { char arg[] = "-tvf"; /* options for tar/bsdtar to list files */ char *util; if (getutil(utils[UTIL_ATOOL])) { util = utils[UTIL_ATOOL]; arg[1] = op; arg[2] = '\0'; } else if (getutil(utils[UTIL_BSDTAR])) { util = utils[UTIL_BSDTAR]; if (op == 'x') arg[1] = op; } else if (is_suffix(fpath, ".zip")) { util = utils[UTIL_UNZIP]; arg[1] = (op == 'l') ? 'v' /* verbose listing */ : '\0'; arg[2] = '\0'; } else { util = utils[UTIL_TAR]; if (op == 'x') arg[1] = op; } if (op == 'x') /* extract */ spawn(util, arg, fpath, F_NORMAL); else /* list */ get_output(NULL, 0, util, arg, fpath, TRUE); } static char *visit_parent(char *path, char *newpath, int *presel) { char *dir; /* There is no going back */ if (istopdir(path)) { /* Continue in type-to-nav mode, if enabled */ if (cfg.filtermode && presel) *presel = FILTER; return NULL; } /* Use a copy as xdirname() may change the string passed */ if (newpath) xstrsncpy(newpath, path, PATH_MAX); else newpath = path; dir = xdirname(newpath); if (chdir(dir) == -1) { printwarn(presel); return NULL; } return dir; } static void valid_parent(char *path, char *lastname) { /* Save history */ xstrsncpy(lastname, xbasename(path), NAME_MAX + 1); while (!istopdir(path)) if (visit_parent(path, NULL, NULL)) break; printwarn(NULL); xdelay(XDELAY_INTERVAL_MS); } /* Create non-existent parents and a file or dir */ static bool xmktree(char *path, bool dir) { char *p = path; char *slash = path; if (!p || !*p) return FALSE; /* Skip the first '/' */ ++p; while (*p != '\0') { if (*p == '/') { slash = p; *p = '\0'; } else { ++p; continue; } /* Create folder from path to '\0' inserted at p */ if (mkdir(path, 0777) == -1 && errno != EEXIST) { #ifdef __HAIKU__ // XDG_CONFIG_HOME contains a directory // that is read-only, but the full path // is writeable. // Try to continue and see what happens. // TODO: Find a more robust solution. if (errno == B_READ_ONLY_DEVICE) goto next; #endif DPRINTF_S("mkdir1!"); DPRINTF_S(strerror(errno)); *slash = '/'; return FALSE; } #ifdef __HAIKU__ next: #endif /* Restore path */ *slash = '/'; ++p; } if (dir) { if (mkdir(path, 0777) == -1 && errno != EEXIST) { DPRINTF_S("mkdir2!"); DPRINTF_S(strerror(errno)); return FALSE; } } else { int fd = open(path, O_CREAT, 0666); if (fd == -1 && errno != EEXIST) { DPRINTF_S("open!"); DPRINTF_S(strerror(errno)); return FALSE; } close(fd); } return TRUE; } static bool archive_mount(char *newpath) { char *dir, *cmd = utils[UTIL_ARCHIVEMOUNT]; char *name = dents[cur].name; size_t len = dents[cur].nlen; if (!getutil(cmd)) { printmsg(messages[MSG_UTIL_MISSING]); return FALSE; } dir = xstrdup(name); if (!dir) { printmsg(messages[MSG_FAILED]); return FALSE; } while (len > 1) if (dir[--len] == '.') { dir[len] = '\0'; break; } DPRINTF_S(dir); /* Create the mount point */ mkpath(cfgdir, dir, newpath); free(dir); if (!xmktree(newpath, TRUE)) { printwarn(NULL); return FALSE; } /* Mount archive */ DPRINTF_S(name); DPRINTF_S(newpath); if (spawn(cmd, name, newpath, F_NORMAL)) { printmsg(messages[MSG_FAILED]); return FALSE; } return TRUE; } static bool remote_mount(char *newpath, char *currentpath) { uchar flag = F_CLI; int opt; char *tmp, *env; bool r = getutil(utils[UTIL_RCLONE]), s = getutil(utils[UTIL_SSHFS]); if (!(r || s)) { printmsg(messages[MSG_UTIL_MISSING]); return FALSE; } if (r && s) opt = get_input(messages[MSG_REMOTE_OPTS]); else opt = (!s) ? 'r' : 's'; if (opt == 's') env = xgetenv("NNN_SSHFS", utils[UTIL_SSHFS]); else if (opt == 'r') { flag |= F_NOWAIT | F_NOTRACE; env = xgetenv("NNN_RCLONE", "rclone mount"); } else { printmsg(messages[MSG_INVALID_KEY]); return FALSE; } tmp = xreadline(NULL, messages[MSG_HOSTNAME]); if (!tmp[0]) { printmsg(messages[MSG_CANCEL]); return FALSE; } if (tmp[0] == '-' && !tmp[1]) { if (!strcmp(cfgdir, currentpath) && ndents && (dents[cur].flags & DIR_OR_LINK_TO_DIR)) xstrsncpy(tmp, dents[cur].name, NAME_MAX + 1); else { printmsg(messages[MSG_FAILED]); return FALSE; } } /* Create the mount point */ mkpath(cfgdir, tmp, newpath); if (!xmktree(newpath, TRUE)) { printwarn(NULL); return FALSE; } /* Convert "Host" to "Host:" */ size_t len = xstrlen(tmp); if (tmp[len - 1] != ':') { /* Append ':' if missing */ tmp[len] = ':'; tmp[len + 1] = '\0'; } /* Connect to remote */ if (opt == 's') { if (spawn(env, tmp, newpath, flag)) { printmsg(messages[MSG_FAILED]); return FALSE; } } else { spawn(env, tmp, newpath, flag); printmsg(messages[MSG_RCLONE_DELAY]); xdelay(XDELAY_INTERVAL_MS << 2); /* Set 4 times the usual delay */ } return TRUE; } /* * Unmounts if the directory represented by name is a mount point. * Otherwise, asks for hostname */ static bool unmount(char *name, char *newpath, int *presel, char *currentpath) { #ifdef __APPLE__ static char cmd[] = "umount"; #else static char cmd[] = "fusermount3"; /* Arch Linux utility */ static bool found = FALSE; #endif char *tmp = name; struct stat sb, psb; bool child = FALSE; bool parent = FALSE; #ifndef __APPLE__ /* On Ubuntu it's fusermount */ if (!found && !getutil(cmd)) { cmd[10] = '\0'; found = TRUE; } #endif if (tmp && strcmp(cfgdir, currentpath) == 0) { mkpath(cfgdir, tmp, newpath); child = lstat(newpath, &sb) != -1; parent = lstat(xdirname(newpath), &psb) != -1; if (!child && !parent) { *presel = MSGWAIT; return FALSE; } } if (!tmp || !child || !S_ISDIR(sb.st_mode) || (child && parent && sb.st_dev == psb.st_dev)) { tmp = xreadline(NULL, messages[MSG_HOSTNAME]); if (!tmp[0]) return FALSE; } /* Create the mount point */ mkpath(cfgdir, tmp, newpath); if (!xdiraccess(newpath)) { *presel = MSGWAIT; return FALSE; } #ifdef __APPLE__ if (spawn(cmd, newpath, NULL, F_NORMAL)) { #else if (spawn(cmd, "-u", newpath, F_NORMAL)) { #endif if (!xconfirm(get_input(messages[MSG_LAZY]))) return FALSE; #ifdef __APPLE__ if (spawn(cmd, "-l", newpath, F_NORMAL)) { #else if (spawn(cmd, "-uz", newpath, F_NORMAL)) { #endif printwait(messages[MSG_FAILED], presel); return FALSE; } } return TRUE; } static void lock_terminal(void) { spawn(xgetenv("NNN_LOCKER", utils[UTIL_LOCKER]), NULL, NULL, F_CLI); } static void printkv(kv *kvarr, FILE *fp, uchar max, uchar id) { char *val = (id == NNN_BMS) ? bmstr : pluginstr; for (uchar i = 0; i < max && kvarr[i].key; ++i) { fprintf(fp, " %c: %s\n", (char)kvarr[i].key, val + kvarr[i].off); } } static void printkeys(kv *kvarr, char *buf, uchar max) { uchar i = 0; for (; i < max && kvarr[i].key; ++i) { buf[i << 1] = ' '; buf[(i << 1) + 1] = kvarr[i].key; } buf[i << 1] = '\0'; } static size_t handle_bookmark(const char *mark, char *newpath) { int fd; size_t r = xstrsncpy(g_buf, messages[MSG_BOOKMARK_KEYS], CMD_LEN_MAX); if (mark) { /* There is a pinned directory */ g_buf[--r] = ' '; g_buf[++r] = ','; g_buf[++r] = '\0'; ++r; } printkeys(bookmark, g_buf + r - 1, maxbm); printmsg(g_buf); r = FALSE; fd = get_input(NULL); if (fd == ',') /* Visit pinned directory */ mark ? xstrsncpy(newpath, mark, PATH_MAX) : (r = MSG_NOT_SET); else if (!get_kv_val(bookmark, newpath, fd, maxbm, NNN_BMS)) r = MSG_INVALID_KEY; if (!r && chdir(newpath) == -1) r = MSG_ACCESS; return r; } /* * The help string tokens (each line) start with a HEX value * which indicates the number of spaces to print before the * particular token. This method was chosen instead of a flat * string because the number of bytes in help was increasing * the binary size by around a hundred bytes. This would only * have increased as we keep adding new options. */ static void show_help(const char *path) { int fd; FILE *fp; const char *start, *end; const char helpstr[] = { "0\n" "1NAVIGATION\n" "9Up k Up%-16cPgUp ^U Scroll up\n" "9Dn j Down%-14cPgDn ^D Scroll down\n" "9Lt h Parent%-12c~ ` @ - HOME, /, start, last\n" "5Ret Rt l Open%-20c' First file/match\n" "9g ^A Top%-21c. Toggle hidden\n" "9G ^E End%-21c+ Toggle auto-advance\n" "9b ^/ Bookmark key%-12c, Pin CWD\n" "a1-4 Context 1-4%-7c(Sh)Tab Cycle context\n" "aEsc Send to FIFO%-11c^L Redraw\n" "c? Help, conf%-13c^G QuitCD\n" "cq Quit context%-7c^Q (Q) Quit (with err)\n" "1FILTER & PROMPT\n" "c/ Filter%-17c^N Toggle type-to-nav\n" "aEsc Exit prompt%-12c^L Clear prompt/last filter\n" "1FILES\n" "9o ^O Open with...%-12cn Create new/link\n" "9f ^F File details%-12cd Detail mode toggle\n" "b^R Rename/dup%-14cr Batch rename\n" "cz Archive%-17ce Edit in EDITOR\n" "c* Toggle exe%-14c> Export list\n" "5Space ^J (Un)select%-11cm ^K Mark range/clear\n" "9p ^P Copy sel here%-11ca Select all\n" "9v ^V Move sel here%-8cw ^W Cp/mv sel as\n" "9x ^X Delete%-18cE Edit sel\n" "1MISC\n" "8Alt ; Select plugin%-11c= Launch app\n" "9! ^] Shell%-19c] Cmd prompt\n" "cc Connect remote%-10cu Unmount\n" "9t ^T Sort toggles%-12cs Manage session\n" "cT Set time type%-11c0 Lock\n" }; fd = create_tmp_file(); if (fd == -1) return; fp = fdopen(fd, "w"); if (!fp) { close(fd); return; } if (g_state.fortune && getutil("fortune")) pipetof("fortune -s", fp); start = end = helpstr; while (*end) { if (*end == '\n') { snprintf(g_buf, CMD_LEN_MAX, "%*c%.*s", xchartohex(*start), ' ', (int)(end - start), start + 1); fprintf(fp, g_buf, ' '); start = end + 1; } ++end; } fprintf(fp, "\nVOLUME: %s of ", coolsize(get_fs_info(path, FREE))); fprintf(fp, "%s free\n\n", coolsize(get_fs_info(path, CAPACITY))); if (bookmark) { fprintf(fp, "BOOKMARKS\n"); printkv(bookmark, fp, maxbm, NNN_BMS); fprintf(fp, "\n"); } if (plug) { fprintf(fp, "PLUGIN KEYS\n"); printkv(plug, fp, maxplug, NNN_PLUG); fprintf(fp, "\n"); } for (uchar i = NNN_OPENER; i <= NNN_TRASH; ++i) { start = getenv(env_cfg[i]); if (start) fprintf(fp, "%s: %s\n", env_cfg[i], start); } if (selpath) fprintf(fp, "SELECTION FILE: %s\n", selpath); fprintf(fp, "\nv%s\n%s\n", VERSION, GENERAL_INFO); fclose(fp); close(fd); spawn(pager, g_tmpfpath, NULL, F_CLI); unlink(g_tmpfpath); } static bool run_cmd_as_plugin(const char *file, char *runfile, uchar flags) { size_t len; xstrsncpy(g_buf, file, PATH_MAX); len = xstrlen(g_buf); if (len > 1 && g_buf[len - 1] == '*') { flags &= ~F_CONFIRM; /* Skip user confirmation */ g_buf[len - 1] = '\0'; /* Get rid of trailing no confirmation symbol */ --len; } if (is_suffix(g_buf, " $nnn")) g_buf[len - 5] = '\0'; /* Set `\0` to clear ' $nnn' suffix */ else runfile = NULL; spawn(g_buf, runfile, NULL, flags); return TRUE; } static bool plctrl_init(void) { snprintf(g_buf, CMD_LEN_MAX, "nnn-pipe.%d", getpid()); /* g_tmpfpath is used to generate tmp file names */ g_tmpfpath[tmpfplen - 1] = '\0'; mkpath(g_tmpfpath, g_buf, g_pipepath); setenv(env_cfg[NNN_PIPE], g_pipepath, TRUE); return EXIT_SUCCESS; } static void rmlistpath() { if (listpath) { DPRINTF_S(__FUNCTION__); DPRINTF_S(listpath); spawn("rm -rf", listpath, NULL, F_NOTRACE | F_MULTI); /* Do not free if program was started in list mode */ if (listpath != initpath) free(listpath); listpath = NULL; } } static void readpipe(int fd, char **path, char **lastname, char **lastdir) { int r; char ctx, *nextpath = NULL; ssize_t len = read(fd, g_buf, 1); if (len != 1) return; if (g_buf[0] == '+') ctx = (char)(get_free_ctx() + 1); else { ctx = g_buf[0] - '0'; if (ctx < 0 || ctx > CTX_MAX) return; } len = read(fd, g_buf, 1); if (len != 1) return; char op = g_buf[0]; if (op == 'c') { len = read(fd, g_buf, PATH_MAX); if (len <= 0) return; /* Terminate the path read */ g_buf[len] = '\0'; nextpath = g_buf; } else if (op == 'l') { /* Remove last list mode path, if any */ rmlistpath(); nextpath = load_input(fd, *path); } if (nextpath) { if (ctx == 0 || ctx == cfg.curctx + 1) { xstrsncpy(*lastdir, *path, PATH_MAX); xstrsncpy(*path, nextpath, PATH_MAX); DPRINTF_S(*path); } else { r = ctx - 1; g_ctx[r].c_cfg.ctxactive = 0; savecurctx(&cfg, nextpath, dents[cur].name, r); *path = g_ctx[r].c_path; *lastdir = g_ctx[r].c_last; *lastname = g_ctx[r].c_name; } } } static bool run_selected_plugin(char **path, const char *file, char *runfile, char **lastname, char **lastdir) { bool cmd_as_plugin = FALSE; uchar flags = 0; if (!g_state.pluginit) { plctrl_init(); g_state.pluginit = 1; } if (*file == '_') { flags = F_MULTI | F_CONFIRM; /* Get rid of preceding _ */ ++file; if (!*file) return FALSE; /* Check if GUI flags are to be used */ if (*file == '|') { flags = F_NOTRACE | F_NOWAIT; ++file; if (!*file) return FALSE; run_cmd_as_plugin(file, runfile, flags); return TRUE; } cmd_as_plugin = TRUE; } if (mkfifo(g_pipepath, 0600) != 0) return EXIT_FAILURE; exitcurses(); if (fork() == 0) { // In child int wfd = open(g_pipepath, O_WRONLY | O_CLOEXEC); if (wfd == -1) _exit(EXIT_FAILURE); if (!cmd_as_plugin) { /* Generate absolute path to plugin */ mkpath(plugindir, file, g_buf); if (runfile && runfile[0]) { xstrsncpy(*lastname, runfile, NAME_MAX); spawn(g_buf, *lastname, *path, 0); } else spawn(g_buf, NULL, *path, 0); } else run_cmd_as_plugin(file, runfile, flags); close(wfd); _exit(EXIT_SUCCESS); } int rfd = open(g_pipepath, O_RDONLY); readpipe(rfd, path, lastname, lastdir); close(rfd); refresh(); unlink(g_pipepath); return TRUE; } static bool plugscript(const char *plugin, uchar flags) { mkpath(plugindir, plugin, g_buf); if (!access(g_buf, X_OK)) { spawn(g_buf, NULL, NULL, flags); return TRUE; } return FALSE; } static void launch_app(char *newpath) { int r = F_NORMAL; char *tmp = newpath; mkpath(plugindir, utils[UTIL_LAUNCH], newpath); if (!getutil(utils[UTIL_FZF]) || access(newpath, X_OK) < 0) { tmp = xreadline(NULL, messages[MSG_APP_NAME]); r = F_NOWAIT | F_NOTRACE | F_MULTI; } if (tmp && *tmp) // NOLINT spawn(tmp, (r == F_NORMAL) ? "0" : NULL, NULL, r); } static int sum_bsize(const char *UNUSED(fpath), const struct stat *sb, int typeflag, struct FTW *UNUSED(ftwbuf)) { if (sb->st_blocks && ((typeflag == FTW_F && (sb->st_nlink <= 1 || test_set_bit((uint)sb->st_ino))) || typeflag == FTW_D)) ent_blocks += sb->st_blocks; ++num_files; return 0; } static int sum_asize(const char *UNUSED(fpath), const struct stat *sb, int typeflag, struct FTW *UNUSED(ftwbuf)) { if (sb->st_size && ((typeflag == FTW_F && (sb->st_nlink <= 1 || test_set_bit((uint)sb->st_ino))) || typeflag == FTW_D)) ent_blocks += sb->st_size; ++num_files; return 0; } static void dentfree(void) { free(pnamebuf); free(dents); free(mark); } static blkcnt_t dirwalk(char *path, struct stat *psb) { static uint open_max; /* Increase current open file descriptor limit */ if (!open_max) open_max = max_openfds(); ent_blocks = 0; tolastln(); addstr(xbasename(path)); addstr(" [^C aborts]\n"); refresh(); if (nftw(path, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) < 0) { DPRINTF_S("nftw failed"); return cfg.apparentsz ? psb->st_size : psb->st_blocks; } return ent_blocks; } /* Skip self and parent */ static bool selforparent(const char *path) { return path[0] == '.' && (path[1] == '\0' || (path[1] == '.' && path[2] == '\0')); } static int dentfill(char *path, struct entry **dents) { int n = 0, flags = 0; ulong num_saved; struct dirent *dp; char *namep, *pnb, *buf = NULL; struct entry *dentp; size_t off = 0, namebuflen = NAMEBUF_INCR; struct stat sb_path, sb; DIR *dirp = opendir(path); DPRINTF_S(__FUNCTION__); if (!dirp) return 0; int fd = dirfd(dirp); if (cfg.blkorder) { num_files = 0; dir_blocks = 0; buf = (char *)alloca(xstrlen(path) + NAME_MAX + 2); if (!buf) return 0; if (fstatat(fd, path, &sb_path, 0) == -1) goto exit; if (!ihashbmp) { ihashbmp = calloc(1, HASH_OCTETS << 3); if (!ihashbmp) goto exit; } else memset(ihashbmp, 0, HASH_OCTETS << 3); attron(COLOR_PAIR(cfg.curctx + 1)); } #if _POSIX_C_SOURCE >= 200112L posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL); #endif dp = readdir(dirp); if (!dp) goto exit; #if defined(__sun) || defined(__HAIKU__) flags = AT_SYMLINK_NOFOLLOW; /* no d_type */ #else if (cfg.blkorder || dp->d_type == DT_UNKNOWN) { /* * Optimization added for filesystems which support dirent.d_type * see readdir(3) * Known drawbacks: * - the symlink size is set to 0 * - the modification time of the symlink is set to that of the target file */ flags = AT_SYMLINK_NOFOLLOW; } #endif do { namep = dp->d_name; if (selforparent(namep)) continue; if (!cfg.showhidden && namep[0] == '.') { if (!cfg.blkorder) continue; if (fstatat(fd, namep, &sb, AT_SYMLINK_NOFOLLOW) == -1) continue; if (S_ISDIR(sb.st_mode)) { if (sb_path.st_dev == sb.st_dev) { // NOLINT mkpath(path, namep, buf); dir_blocks += dirwalk(buf, &sb); if (g_state.interrupt) goto exit; } } else { /* Do not recount hard links */ if (sb.st_nlink <= 1 || test_set_bit((uint)sb.st_ino)) dir_blocks += (cfg.apparentsz ? sb.st_size : sb.st_blocks); ++num_files; } continue; } if (fstatat(fd, namep, &sb, flags) == -1) { /* List a symlink with target missing */ if (flags || (!flags && fstatat(fd, namep, &sb, AT_SYMLINK_NOFOLLOW) == -1)) { DPRINTF_U(flags); if (!flags) { DPRINTF_S(namep); DPRINTF_S(strerror(errno)); } memset(&sb, 0, sizeof(struct stat)); } } if (n == total_dents) { total_dents += ENTRY_INCR; *dents = xrealloc(*dents, total_dents * sizeof(**dents)); if (!*dents) { free(pnamebuf); closedir(dirp); errexit(); } DPRINTF_P(*dents); } /* If not enough bytes left to copy a file name of length NAME_MAX, re-allocate */ if (namebuflen - off < NAME_MAX + 1) { namebuflen += NAMEBUF_INCR; pnb = pnamebuf; pnamebuf = (char *)xrealloc(pnamebuf, namebuflen); if (!pnamebuf) { free(*dents); closedir(dirp); errexit(); } DPRINTF_P(pnamebuf); /* realloc() may result in memory move, we must re-adjust if that happens */ if (pnb != pnamebuf) { dentp = *dents; dentp->name = pnamebuf; for (int count = 1; count < n; ++dentp, ++count) /* Current filename starts at last filename start + length */ (dentp + 1)->name = (char *)((size_t)dentp->name + dentp->nlen); } } dentp = *dents + n; /* Selection file name */ dentp->name = (char *)((size_t)pnamebuf + off); dentp->nlen = xstrsncpy(dentp->name, namep, NAME_MAX + 1); off += dentp->nlen; /* Copy other fields */ dentp->t = ((cfg.timetype == T_MOD) ? sb.st_mtime : ((cfg.timetype == T_ACCESS) ? sb.st_atime : sb.st_ctime)); #if !(defined(__sun) || defined(__HAIKU__)) if (!flags && dp->d_type == DT_LNK) { /* Do not add sizes for links */ dentp->mode = (sb.st_mode & ~S_IFMT) | S_IFLNK; dentp->size = listpath ? sb.st_size : 0; } else { dentp->mode = sb.st_mode; dentp->size = sb.st_size; } #else dentp->mode = sb.st_mode; dentp->size = sb.st_size; #endif dentp->flags = S_ISDIR(sb.st_mode) ? 0 : ((sb.st_nlink > 1) ? HARD_LINK : 0); if (cfg.blkorder) { if (S_ISDIR(sb.st_mode)) { num_saved = num_files + 1; mkpath(path, namep, buf); /* Need to show the disk usage of this dir */ dentp->blocks = dirwalk(buf, &sb); if (sb_path.st_dev == sb.st_dev) // NOLINT dir_blocks += dentp->blocks; else num_files = num_saved; if (g_state.interrupt) goto exit; } else { dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks); /* Do not recount hard links */ if (sb.st_nlink <= 1 || test_set_bit((uint)sb.st_ino)) dir_blocks += dentp->blocks; ++num_files; } } if (flags) { /* Flag if this is a dir or symlink to a dir */ if (S_ISLNK(sb.st_mode)) { sb.st_mode = 0; fstatat(fd, namep, &sb, 0); } if (S_ISDIR(sb.st_mode)) dentp->flags |= DIR_OR_LINK_TO_DIR; #if !(defined(__sun) || defined(__HAIKU__)) /* no d_type */ } else if (dp->d_type == DT_DIR || (dp->d_type == DT_LNK && S_ISDIR(sb.st_mode))) { dentp->flags |= DIR_OR_LINK_TO_DIR; #endif } ++n; } while ((dp = readdir(dirp))); exit: if (cfg.blkorder) attroff(COLOR_PAIR(cfg.curctx + 1)); /* Should never be null */ if (closedir(dirp) == -1) errexit(); return n; } /* * Return the position of the matching entry or 0 otherwise * Note there's no NULL check for fname */ static int dentfind(const char *fname, int n) { for (int i = 0; i < n; ++i) if (xstrcmp(fname, dents[i].name) == 0) return i; return 0; } static void populate(char *path, char *lastname) { #ifdef DBGMODE struct timespec ts1, ts2; clock_gettime(CLOCK_REALTIME, &ts1); /* Use CLOCK_MONOTONIC on FreeBSD */ #endif ndents = dentfill(path, &dents); if (!ndents) return; qsort(dents, ndents, sizeof(*dents), entrycmpfn); #ifdef DBGMODE clock_gettime(CLOCK_REALTIME, &ts2); DPRINTF_U(ts2.tv_nsec - ts1.tv_nsec); #endif /* Find cur from history */ /* No NULL check for lastname, always points to an array */ move_cursor(*lastname ? dentfind(lastname, ndents) : 0, 0); // Force full redraw last_curscroll = -1; } #ifndef NOFIFO static void notify_fifo(bool force) { if (fifofd == -1) { fifofd = open(fifopath, O_WRONLY|O_NONBLOCK|O_CLOEXEC); if (fifofd == -1) { if (errno != ENXIO) /* Unexpected error, the FIFO file might have been removed */ /* We give up FIFO notification */ fifopath = NULL; return; } } static struct entry lastentry; if (!force && !memcmp(&lastentry, &dents[cur], sizeof(struct entry))) return; lastentry = dents[cur]; char path[PATH_MAX]; size_t len = mkpath(g_ctx[cfg.curctx].c_path, ndents ? dents[cur].name : "", path); path[len - 1] = '\n'; ssize_t ret = write(fifofd, path, len); if (ret != (ssize_t)len && !(ret == -1 && (errno == EAGAIN || errno == EPIPE))) { DPRINTF_S(strerror(errno)); } } #endif static void move_cursor(int target, int ignore_scrolloff) { int onscreen = xlines - 4; /* Leave top 2 and bottom 2 lines */ target = MAX(0, MIN(ndents - 1, target)); last_curscroll = curscroll; last = cur; cur = target; if (!ignore_scrolloff) { int delta = target - last; int scrolloff = MIN(SCROLLOFF, onscreen >> 1); /* * When ignore_scrolloff is 1, the cursor can jump into the scrolloff * margin area, but when ignore_scrolloff is 0, act like a boa * constrictor and squeeze the cursor towards the middle region of the * screen by allowing it to move inward and disallowing it to move * outward (deeper into the scrolloff margin area). */ if (((cur < (curscroll + scrolloff)) && delta < 0) || ((cur > (curscroll + onscreen - scrolloff - 1)) && delta > 0)) curscroll += delta; } curscroll = MIN(curscroll, MIN(cur, ndents - onscreen)); curscroll = MAX(curscroll, MAX(cur - (onscreen - 1), 0)); #ifndef NOFIFO if (fifopath) notify_fifo(FALSE); #endif } static void handle_screen_move(enum action sel) { int onscreen; switch (sel) { case SEL_NEXT: if (ndents && (cfg.rollover || (cur != ndents - 1))) move_cursor((cur + 1) % ndents, 0); break; case SEL_PREV: if (ndents && (cfg.rollover || cur)) move_cursor((cur + ndents - 1) % ndents, 0); break; case SEL_PGDN: onscreen = xlines - 4; move_cursor(curscroll + (onscreen - 1), 1); curscroll += onscreen - 1; break; case SEL_CTRL_D: onscreen = xlines - 4; move_cursor(curscroll + (onscreen - 1), 1); curscroll += onscreen >> 1; break; case SEL_PGUP: // fallthrough onscreen = xlines - 4; move_cursor(curscroll, 1); curscroll -= onscreen - 1; break; case SEL_CTRL_U: onscreen = xlines - 4; move_cursor(curscroll, 1); curscroll -= onscreen >> 1; break; case SEL_HOME: move_cursor(0, 1); break; case SEL_END: move_cursor(ndents - 1, 1); break; default: /* case SEL_FIRST */ { int c = get_input(messages[MSG_FIRST]); if (!c) break; c = TOUPPER(c); int r = (c == TOUPPER(*dents[cur].name)) ? (cur + 1) : 0; for (; r < ndents; ++r) { if (((c == '\'') && !(dents[r].flags & DIR_OR_LINK_TO_DIR)) || (c == TOUPPER(*dents[r].name))) { move_cursor((r) % ndents, 0); break; } } break; } } } static int handle_context_switch(enum action sel) { int r = -1; switch (sel) { case SEL_CYCLE: // fallthrough case SEL_CYCLER: /* visit next and previous contexts */ r = cfg.curctx; if (sel == SEL_CYCLE) do r = (r + 1) & ~CTX_MAX; while (!g_ctx[r].c_cfg.ctxactive); else do r = (r + (CTX_MAX - 1)) & (CTX_MAX - 1); while (!g_ctx[r].c_cfg.ctxactive); // fallthrough default: /* SEL_CTXN */ if (sel >= SEL_CTX1) /* CYCLE keys are lesser in value */ r = sel - SEL_CTX1; /* Save the next context id */ if (cfg.curctx == r) { if (sel == SEL_CYCLE) (r == CTX_MAX - 1) ? (r = 0) : ++r; else if (sel == SEL_CYCLER) (r == 0) ? (r = CTX_MAX - 1) : --r; else return -1; } if (cfg.selmode) lastappendpos = selbufpos; } return r; } static int set_sort_flags(int r) { switch (r) { case 'a': /* Apparent du */ cfg.apparentsz ^= 1; if (cfg.apparentsz) { nftw_fn = &sum_asize; cfg.blkorder = 1; blk_shift = 0; } else cfg.blkorder = 0; // fallthrough case 'd': /* Disk usage */ if (r == 'd') { if (!cfg.apparentsz) cfg.blkorder ^= 1; nftw_fn = &sum_bsize; cfg.apparentsz = 0; blk_shift = ffs(S_BLKSIZE) - 1; } if (cfg.blkorder) { cfg.showdetail = 1; printptr = &printent_long; } cfg.timeorder = 0; cfg.sizeorder = 0; cfg.extnorder = 0; entrycmpfn = &entrycmp; endselection(); /* We are going to reload dir */ break; case 'c': cfg.timeorder = 0; cfg.sizeorder = 0; cfg.apparentsz = 0; cfg.blkorder = 0; cfg.extnorder = 0; entrycmpfn = &entrycmp; namecmpfn = &xstricmp; break; case 'e': /* File extension */ cfg.extnorder ^= 1; cfg.sizeorder = 0; cfg.timeorder = 0; cfg.apparentsz = 0; cfg.blkorder = 0; entrycmpfn = &entrycmp; break; case 'r': /* Reverse sort */ entrycmpfn = (entrycmpfn == &entrycmp) ? &reventrycmp : &entrycmp; break; case 's': /* File size */ cfg.sizeorder ^= 1; cfg.timeorder = 0; cfg.apparentsz = 0; cfg.blkorder = 0; cfg.extnorder = 0; entrycmpfn = &entrycmp; break; case 't': /* Time */ cfg.timeorder ^= 1; cfg.sizeorder = 0; cfg.apparentsz = 0; cfg.blkorder = 0; cfg.extnorder = 0; entrycmpfn = &entrycmp; break; case 'v': /* Version */ namecmpfn = (namecmpfn == &xstrverscasecmp) ? &xstricmp : &xstrverscasecmp; cfg.timeorder = 0; cfg.sizeorder = 0; cfg.apparentsz = 0; cfg.blkorder = 0; cfg.extnorder = 0; break; default: return 0; } return r; } static bool set_time_type(int *presel) { bool ret = FALSE; char buf[] = "'a'ccess / 'c'hange / 'm'od [ ]"; buf[sizeof(buf) - 3] = cfg.timetype == T_MOD ? 'm' : (cfg.timetype == T_ACCESS ? 'a' : 'c'); int r = get_input(buf); if (r == 'a' || r == 'c' || r == 'm') { r = (r == 'm') ? T_MOD : ((r == 'a') ? T_ACCESS : T_CHANGE); if (cfg.timetype != r) { cfg.timetype = r; if (cfg.filtermode || g_ctx[cfg.curctx].c_fltr[1]) *presel = FILTER; ret = TRUE; } else r = MSG_NOCHNAGE; } else r = MSG_INVALID_KEY; if (!ret) printwait(messages[r], presel); return ret; } static void statusbar(char *path) { int i = 0, extnlen = 0; char *ptr; pEntry pent = &dents[cur]; if (!ndents) { printmsg("0/0"); return; } /* Get the file extension for regular files */ if (S_ISREG(pent->mode)) { i = (int)(pent->nlen - 1); ptr = xmemrchr((uchar *)pent->name, '.', i); if (ptr) extnlen = i - (ptr - pent->name); if (!ptr || extnlen > 5 || extnlen < 2) ptr = "\b"; } else ptr = "\b"; tolastln(); attron(COLOR_PAIR(cfg.curctx + 1)); if (cfg.blkorder) { /* du mode */ char buf[24]; xstrsncpy(buf, coolsize(dir_blocks << blk_shift), 12); printw("%d/%d [%s:%s] %cu:%s free:%s files:%lu %lldB %s\n", cur + 1, ndents, (cfg.selmode ? "s" : ""), (g_state.rangesel ? "*" : (nselected ? xitoa(nselected) : "")), (cfg.apparentsz ? 'a' : 'd'), buf, coolsize(get_fs_info(path, FREE)), num_files, (ll)pent->blocks << blk_shift, ptr); } else { /* light or detail mode */ char sort[] = "\0\0\0\0"; getorderstr(sort); printw("%d/%d [%s:%s] %s", cur + 1, ndents, (cfg.selmode ? "s" : ""), (g_state.rangesel ? "*" : (nselected ? xitoa(nselected) : "")), sort); /* Timestamp */ print_time(&pent->t); addch(' '); addstr(get_lsperms(pent->mode)); addch(' '); addstr(coolsize(pent->size)); addch(' '); addstr(ptr); addch('\n'); } attroff(COLOR_PAIR(cfg.curctx + 1)); } static int adjust_cols(int ncols) { /* Calculate the number of cols available to print entry name */ if (cfg.showdetail) { /* Fallback to light mode if less than 35 columns */ if (ncols < 36) { cfg.showdetail ^= 1; printptr = &printent; ncols -= 3; /* Preceding space, indicator, newline */ } else ncols -= 35; } else ncols -= 3; /* Preceding space, indicator, newline */ return ncols; } static void draw_line(char *path, int ncols) { bool dir = FALSE; ncols = adjust_cols(ncols); if (dents[last].flags & DIR_OR_LINK_TO_DIR) { attron(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); dir = TRUE; } move(2 + last - curscroll, 0); printptr(&dents[last], ncols, false); if (dents[cur].flags & DIR_OR_LINK_TO_DIR) { if (!dir) {/* First file is not a directory */ attron(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); dir = TRUE; } } else if (dir) { /* Second file is not a directory */ attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); dir = FALSE; } move(2 + cur - curscroll, 0); printptr(&dents[cur], ncols, true); /* Must reset e.g. no files in dir */ if (dir) attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); statusbar(path); } static void redraw(char *path) { xlines = LINES; xcols = COLS; int ncols = (xcols <= PATH_MAX) ? xcols : PATH_MAX; int onscreen = xlines - 4; int i; char *ptr = path; // Fast redraw if (g_state.move) { g_state.move = 0; if (ndents && (last_curscroll == curscroll)) return draw_line(path, ncols); } DPRINTF_S(__FUNCTION__); /* Clear screen */ erase(); /* Enforce scroll/cursor invariants */ move_cursor(cur, 1); /* Fail redraw if < than 10 columns, context info prints 10 chars */ if (ncols < MIN_DISPLAY_COLS) { printmsg(messages[MSG_FEW_COLUMNS]); return; } //DPRINTF_D(cur); DPRINTF_S(path); addch('['); for (i = 0; i < CTX_MAX; ++i) { if (!g_ctx[i].c_cfg.ctxactive) addch(i + '1'); else addch((i + '1') | (COLOR_PAIR(i + 1) | A_BOLD /* active: underline, current: reverse */ | ((cfg.curctx != i) ? A_UNDERLINE : A_REVERSE))); if (i != CTX_MAX - 1) addch(' '); } addstr("] "); /* 10 chars printed for contexts - "[1 2 3 4] " */ attron(A_UNDERLINE); /* Print path */ i = (int)xstrlen(path); if ((i + MIN_DISPLAY_COLS) <= ncols) addnstr(path, ncols - MIN_DISPLAY_COLS); else { char *base = xmemrchr((uchar *)path, '/', i); i = 0; if (base != ptr) { while (ptr < base) { if (*ptr == '/') { i += 2; /* 2 characters added */ if (ncols < i + MIN_DISPLAY_COLS) { base = NULL; /* Can't print more characters */ break; } addch(*ptr); addch(*(++ptr)); } ++ptr; } } addnstr(base, ncols - (MIN_DISPLAY_COLS + i)); } attroff(A_UNDERLINE); /* Go to first entry */ move(2, 0); ncols = adjust_cols(ncols); attron(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); g_state.dircolor = 1; /* Print listing */ for (i = curscroll; i < ndents && i < curscroll + onscreen; ++i) printptr(&dents[i], ncols, i == cur); /* Must reset e.g. no files in dir */ if (g_state.dircolor) { attroff(COLOR_PAIR(cfg.curctx + 1) | A_BOLD); g_state.dircolor = 0; } statusbar(path); } static bool cdprep(char *lastdir, char *lastname, char *path, char *newpath) { if (lastname) lastname[0] = '\0'; /* Save last working directory */ xstrsncpy(lastdir, path, PATH_MAX); /* Save the newly opted dir in path */ xstrsncpy(path, newpath, PATH_MAX); DPRINTF_S(path); clearfilter(); return cfg.filtermode; } static bool browse(char *ipath, const char *session, int pkey) { char newpath[PATH_MAX] __attribute__ ((aligned)); char rundir[PATH_MAX] __attribute__ ((aligned)); char runfile[NAME_MAX + 1] __attribute__ ((aligned)); char *path, *lastdir, *lastname, *dir, *tmp; enum action sel; struct stat sb; int r = -1, presel, selstartid = 0, selendid = 0; const uchar opener_flags = (cfg.cliopener ? F_CLI : (F_NOTRACE | F_NOWAIT)); bool watch = FALSE; #ifndef NOMOUSE MEVENT event; struct timespec mousetimings[2] = {{.tv_sec = 0, .tv_nsec = 0}, {.tv_sec = 0, .tv_nsec = 0} }; int mousedent[2] = {-1, -1}; bool currentmouse = 1, rightclicksel = 0; #endif #ifndef DIR_LIMITED_SELECTION ino_t inode = 0; #endif atexit(dentfree); xlines = LINES; xcols = COLS; /* setup first context */ if (!session || !load_session(session, &path, &lastdir, &lastname, FALSE)) { g_ctx[0].c_last[0] = '\0'; lastdir = g_ctx[0].c_last; /* last visited directory */ if (g_state.initfile) { xstrsncpy(g_ctx[0].c_name, xbasename(ipath), sizeof(g_ctx[0].c_name)); xdirname(ipath); } else g_ctx[0].c_name[0] = '\0'; lastname = g_ctx[0].c_name; /* last visited filename */ xstrsncpy(g_ctx[0].c_path, ipath, PATH_MAX); path = g_ctx[0].c_path; /* current directory */ g_ctx[0].c_fltr[0] = g_ctx[0].c_fltr[1] = '\0'; g_ctx[0].c_cfg = cfg; /* current configuration */ } newpath[0] = rundir[0] = runfile[0] = '\0'; presel = pkey ? ';' : (cfg.filtermode ? FILTER : 0); dents = xrealloc(dents, total_dents * sizeof(struct entry)); if (!dents) errexit(); /* Allocate buffer to hold names */ pnamebuf = (char *)xrealloc(pnamebuf, NAMEBUF_INCR); if (!pnamebuf) errexit(); begin: /* Can fail when permissions change while browsing. * It's assumed that path IS a directory when we are here. */ if (chdir(path) == -1) { DPRINTF_S("directory inaccessible"); valid_parent(path, lastname); setdirwatch(); } if (cfg.selmode && lastdir[0]) lastappendpos = selbufpos; #ifdef LINUX_INOTIFY if ((presel == FILTER || watch) && inotify_wd >= 0) { inotify_rm_watch(inotify_fd, inotify_wd); inotify_wd = -1; watch = FALSE; } #elif defined(BSD_KQUEUE) if ((presel == FILTER || watch) && event_fd >= 0) { close(event_fd); event_fd = -1; watch = FALSE; } #elif defined(HAIKU_NM) if ((presel == FILTER || watch) && haiku_hnd != NULL) { haiku_stop_watch(haiku_hnd); haiku_nm_active = FALSE; watch = FALSE; } #endif populate(path, lastname); if (g_state.interrupt) { g_state.interrupt = 0; cfg.apparentsz = 0; cfg.blkorder = 0; blk_shift = BLK_SHIFT_512; presel = CONTROL('L'); } #ifdef LINUX_INOTIFY if (presel != FILTER && inotify_wd == -1) inotify_wd = inotify_add_watch(inotify_fd, path, INOTIFY_MASK); #elif defined(BSD_KQUEUE) if (presel != FILTER && event_fd == -1) { #if defined(O_EVTONLY) event_fd = open(path, O_EVTONLY); #else event_fd = open(path, O_RDONLY); #endif if (event_fd >= 0) EV_SET(&events_to_monitor[0], event_fd, EVFILT_VNODE, EV_ADD | EV_CLEAR, KQUEUE_FFLAGS, 0, path); } #elif defined(HAIKU_NM) haiku_nm_active = haiku_watch_dir(haiku_hnd, path) == EXIT_SUCCESS; #endif while (1) { /* Do not do a double redraw in filterentries */ if ((presel != FILTER) || !filterset()) redraw(path); nochange: /* Exit if parent has exited */ if (getppid() == 1) _exit(EXIT_FAILURE); /* If CWD is deleted or moved or perms changed, find an accessible parent */ if (chdir(path) == -1) goto begin; /* If STDIN is no longer a tty (closed) we should exit */ if (!isatty(STDIN_FILENO) && !cfg.picker) return EXIT_FAILURE; sel = nextsel(presel); if (presel) presel = 0; switch (sel) { #ifndef NOMOUSE case SEL_CLICK: if (getmouse(&event) != OK) goto nochange; /* Handle clicking on a context at the top */ if (event.bstate == BUTTON1_PRESSED && event.y == 0) { /* Get context from: "[1 2 3 4]..." */ r = event.x >> 1; /* If clicked after contexts, go to parent */ if (r >= CTX_MAX) sel = SEL_BACK; else if (r >= 0 && r != cfg.curctx) { if (cfg.selmode) lastappendpos = selbufpos; savecurctx(&cfg, path, dents[cur].name, r); /* Reset the pointers */ path = g_ctx[r].c_path; lastdir = g_ctx[r].c_last; lastname = g_ctx[r].c_name; setdirwatch(); goto begin; } } #endif // fallthrough case SEL_BACK: #ifndef NOMOUSE if (sel == SEL_BACK) { #endif dir = visit_parent(path, newpath, &presel); if (!dir) goto nochange; /* Save history */ xstrsncpy(lastname, xbasename(path), NAME_MAX + 1); cdprep(lastdir, NULL, path, dir) ? (presel = FILTER) : (watch = TRUE); goto begin; #ifndef NOMOUSE } #endif #ifndef NOMOUSE /* Middle click action */ if (event.bstate == BUTTON2_PRESSED) { presel = middle_click_key; goto nochange; } #if NCURSES_MOUSE_VERSION > 1 /* Scroll up */ if (event.bstate == BUTTON4_PRESSED && ndents && (cfg.rollover || cur)) { move_cursor((cur + ndents - scroll_lines) % ndents, 0); break; } /* Scroll down */ if (event.bstate == BUTTON5_PRESSED && ndents && (cfg.rollover || (cur != ndents - 1))) { move_cursor((cur + scroll_lines) % ndents, 0); break; } #endif /* Toggle filter mode on left click on last 2 lines */ if (event.y >= xlines - 2 && event.bstate == BUTTON1_PRESSED) { clearfilter(); cfg.filtermode ^= 1; if (cfg.filtermode) { presel = FILTER; goto nochange; } /* Start watching the directory */ watch = TRUE; if (ndents) copycurname(); goto begin; } /* Handle clicking on a file */ if (event.y >= 2 && event.y <= ndents + 1 && (event.bstate == BUTTON1_PRESSED || event.bstate == BUTTON3_PRESSED)) { r = curscroll + (event.y - 2); if (r != cur) move_cursor(r, 1); #ifndef NOFIFO else if (event.bstate == BUTTON1_PRESSED) notify_fifo(TRUE); #endif /* Handle right click selection */ if (event.bstate == BUTTON3_PRESSED) { rightclicksel = 1; presel = SELECT; goto nochange; } currentmouse ^= 1; clock_gettime( #if defined(CLOCK_MONOTONIC_RAW) CLOCK_MONOTONIC_RAW, #elif defined(CLOCK_MONOTONIC) CLOCK_MONOTONIC, #else CLOCK_REALTIME, #endif &mousetimings[currentmouse]); mousedent[currentmouse] = cur; /* Single click just selects, double click falls through to SEL_GOIN */ if ((mousedent[0] != mousedent[1]) || (((_ABSSUB(mousetimings[0].tv_sec, mousetimings[1].tv_sec) << 30) + (_ABSSUB(mousetimings[0].tv_nsec, mousetimings[1].tv_nsec))) > DOUBLECLICK_INTERVAL_NS)) break; mousetimings[currentmouse].tv_sec = 0; mousedent[currentmouse] = -1; } else { if (cfg.filtermode || filterset()) presel = FILTER; if (ndents) copycurname(); goto nochange; } #endif // fallthrough case SEL_NAV_IN: // fallthrough case SEL_GOIN: /* Cannot descend in empty directories */ if (!ndents) goto begin; mkpath(path, dents[cur].name, newpath); DPRINTF_S(newpath); if (dents[cur].flags & DIR_OR_LINK_TO_DIR) { if (chdir(newpath) == -1) { printwarn(&presel); goto nochange; } cdprep(lastdir, lastname, path, newpath) ? (presel = FILTER) : (watch = TRUE); goto begin; } /* Cannot use stale data in entry, file may be missing by now */ if (stat(newpath, &sb) == -1) { printwarn(&presel); goto nochange; } DPRINTF_U(sb.st_mode); switch (sb.st_mode & S_IFMT) { case S_IFREG: { /* If opened as vim plugin and Enter/^M pressed, pick */ if (cfg.picker && sel == SEL_GOIN) { appendfpath(newpath, mkpath(path, dents[cur].name, newpath)); writesel(pselbuf, selbufpos - 1); return EXIT_SUCCESS; } if (sel == SEL_NAV_IN) { /* If in listing dir, go to target on `l` or Right on symlink */ if (listpath && S_ISLNK(dents[cur].mode) && is_prefix(path, listpath, strlen(listpath))) { if (!realpath(dents[cur].name, newpath)) { printwarn(&presel); goto nochange; } xdirname(newpath); if (chdir(newpath) == -1) { printwarn(&presel); goto nochange; } cdprep(lastdir, NULL, path, newpath) ? (presel = FILTER) : (watch = TRUE); xstrsncpy(lastname, dents[cur].name, NAME_MAX + 1); goto begin; } else if (cfg.nonavopen) goto nochange; /* Open file disabled on right arrow or `l` */ } /* Handle plugin selection mode */ if (cfg.runplugin) { cfg.runplugin = 0; /* Must be in plugin dir and same context to select plugin */ if ((cfg.runctx == cfg.curctx) && !strcmp(path, plugindir)) { endselection(); /* Copy path so we can return back to earlier dir */ xstrsncpy(path, rundir, PATH_MAX); rundir[0] = '\0'; if (chdir(path) == -1 || !run_selected_plugin(&path, dents[cur].name, runfile, &lastname, &lastdir)) { DPRINTF_S("plugin failed!"); } if (runfile[0]) runfile[0] = '\0'; clearfilter(); setdirwatch(); goto begin; } } if (!sb.st_size) { printwait(messages[MSG_EMPTY_FILE], &presel); goto nochange; } if (cfg.useeditor #ifdef FILE_MIME_OPTS && get_output(g_buf, CMD_LEN_MAX, "file", FILE_MIME_OPTS, newpath, FALSE) && is_prefix(g_buf, "text/", 5) #else /* no mime option; guess from description instead */ && get_output(g_buf, CMD_LEN_MAX, "file", "-b", newpath, FALSE) && strstr(g_buf, "text") #endif ) { spawn(editor, newpath, NULL, F_CLI); continue; } #ifdef PCRE if (!pcre_exec(archive_pcre, NULL, dents[cur].name, xstrlen(dents[cur].name), 0, 0, NULL, 0)) { #else if (!regexec(&archive_re, dents[cur].name, 0, NULL, 0)) { #endif r = get_input(messages[MSG_ARCHIVE_OPTS]); if (r == 'l' || r == 'x') { mkpath(path, dents[cur].name, newpath); handle_archive(newpath, r); if (r == 'l') { statusbar(path); goto nochange; } copycurname(); clearfilter(); goto begin; } if (r == 'm') { if (!archive_mount(newpath)) { presel = MSGWAIT; goto nochange; } cdprep(lastdir, lastname, path, newpath) ? (presel = FILTER) : (watch = TRUE); goto begin; } if (r != 'd') { printwait(messages[MSG_INVALID_KEY], &presel); goto nochange; } } /* Invoke desktop opener as last resort */ spawn(opener, newpath, NULL, opener_flags); /* Move cursor to the next entry if not the last entry */ if (g_state.autonext && cur != ndents - 1) move_cursor((cur + 1) % ndents, 0); continue; } default: printwait(messages[MSG_UNSUPPORTED], &presel); goto nochange; } case SEL_NEXT: // fallthrough case SEL_PREV: // fallthrough case SEL_PGDN: // fallthrough case SEL_CTRL_D: // fallthrough case SEL_PGUP: // fallthrough case SEL_CTRL_U: // fallthrough case SEL_HOME: // fallthrough case SEL_END: // fallthrough case SEL_FIRST: g_state.move = 1; if (ndents) handle_screen_move(sel); break; case SEL_CDHOME: // fallthrough case SEL_CDBEGIN: // fallthrough case SEL_CDLAST: // fallthrough case SEL_CDROOT: switch (sel) { case SEL_CDHOME: dir = home; break; case SEL_CDBEGIN: dir = ipath; break; case SEL_CDLAST: dir = lastdir; break; default: /* SEL_CDROOT */ dir = "/"; break; } if (!dir || !*dir) { printwait(messages[MSG_NOT_SET], &presel); goto nochange; } if (strcmp(path, dir) == 0) { if (cfg.filtermode) presel = FILTER; goto nochange; } if (chdir(dir) == -1) { presel = MSGWAIT; goto nochange; } /* SEL_CDLAST: dir pointing to lastdir */ xstrsncpy(newpath, dir, PATH_MAX); // fallthrough case SEL_BOOKMARK: if (sel == SEL_BOOKMARK) { r = (int)handle_bookmark(mark, newpath); if (r) { printwait(messages[r], &presel); goto nochange; } if (strcmp(path, newpath) == 0) break; } // fallthrough case SEL_REMOTE: if (sel == SEL_REMOTE && !remote_mount(newpath, path)) { presel = MSGWAIT; goto nochange; } /* In list mode, retain the last file name to highlight it, if possible */ cdprep(lastdir, listpath && sel == SEL_CDLAST ? NULL : lastname, path, newpath) ? (presel = FILTER) : (watch = TRUE); goto begin; case SEL_CYCLE: // fallthrough case SEL_CYCLER: // fallthrough case SEL_CTX1: // fallthrough case SEL_CTX2: // fallthrough case SEL_CTX3: // fallthrough case SEL_CTX4: #ifdef CTX8 case SEL_CTX5: case SEL_CTX6: case SEL_CTX7: case SEL_CTX8: #endif r = handle_context_switch(sel); if (r < 0) continue; savecurctx(&cfg, path, dents[cur].name, r); /* Reset the pointers */ path = g_ctx[r].c_path; lastdir = g_ctx[r].c_last; lastname = g_ctx[r].c_name; tmp = g_ctx[r].c_fltr; if (cfg.filtermode || ((tmp[0] == FILTER || tmp[0] == RFILTER) && tmp[1])) presel = FILTER; else watch = TRUE; goto begin; case SEL_PIN: free(mark); mark = xstrdup(path); printwait(mark, &presel); goto nochange; case SEL_FLTR: /* Unwatch dir if we are still in a filtered view */ #ifdef LINUX_INOTIFY if (inotify_wd >= 0) { inotify_rm_watch(inotify_fd, inotify_wd); inotify_wd = -1; } #elif defined(BSD_KQUEUE) if (event_fd >= 0) { close(event_fd); event_fd = -1; } #elif defined(HAIKU_NM) if (haiku_nm_active) { haiku_stop_watch(haiku_hnd); haiku_nm_active = FALSE; } #endif presel = filterentries(path, lastname); if (presel == 27) { presel = 0; break; } goto nochange; case SEL_MFLTR: // fallthrough case SEL_HIDDEN: // fallthrough case SEL_DETAIL: // fallthrough case SEL_SORT: switch (sel) { case SEL_MFLTR: cfg.filtermode ^= 1; if (cfg.filtermode) { presel = FILTER; clearfilter(); goto nochange; } watch = TRUE; // fallthrough case SEL_HIDDEN: if (sel == SEL_HIDDEN) { cfg.showhidden ^= 1; if (cfg.filtermode) presel = FILTER; clearfilter(); } if (ndents) copycurname(); goto begin; case SEL_DETAIL: cfg.showdetail ^= 1; cfg.showdetail ? (printptr = &printent_long) : (printptr = &printent); cfg.blkorder = 0; continue; default: /* SEL_SORT */ r = set_sort_flags(get_input(messages[MSG_ORDER])); if (!r) { printwait(messages[MSG_INVALID_KEY], &presel); goto nochange; } } if (cfg.filtermode || filterset()) presel = FILTER; if (ndents) { copycurname(); if (r == 'd' || r == 'a') goto begin; qsort(dents, ndents, sizeof(*dents), entrycmpfn); move_cursor(ndents ? dentfind(lastname, ndents) : 0, 0); } continue; case SEL_STATS: // fallthrough case SEL_CHMODX: if (ndents) { tmp = (listpath && xstrcmp(path, listpath) == 0) ? prefixpath : path; mkpath(tmp, dents[cur].name, newpath); if (lstat(newpath, &sb) == -1 || (sel == SEL_STATS && !show_stats(newpath, &sb)) || (sel == SEL_CHMODX && !xchmod(newpath, sb.st_mode))) { printwarn(&presel); goto nochange; } if (sel == SEL_CHMODX) dents[cur].mode ^= 0111; } break; case SEL_REDRAW: // fallthrough case SEL_RENAMEMUL: // fallthrough case SEL_HELP: // fallthrough case SEL_AUTONEXT: // fallthrough case SEL_EDIT: // fallthrough case SEL_LOCK: { bool refresh = FALSE; if (ndents) mkpath(path, dents[cur].name, newpath); else if (sel == SEL_EDIT) /* Avoid trying to edit a non-existing file */ goto nochange; switch (sel) { case SEL_REDRAW: refresh = TRUE; break; case SEL_RENAMEMUL: endselection(); if (!(getutil(utils[UTIL_BASH]) && plugscript(utils[UTIL_NMV], F_CLI)) #ifndef NOBATCH && !batch_rename() #endif ) { printwait(messages[MSG_FAILED], &presel); goto nochange; } refresh = TRUE; break; case SEL_HELP: show_help(path); // fallthrough case SEL_AUTONEXT: if (sel == SEL_AUTONEXT) g_state.autonext ^= 1; if (cfg.filtermode) presel = FILTER; if (ndents) copycurname(); goto nochange; case SEL_EDIT: spawn(editor, dents[cur].name, NULL, F_CLI); continue; default: /* SEL_LOCK */ lock_terminal(); break; } /* In case of successful operation, reload contents */ /* Continue in type-to-nav mode, if enabled */ if ((cfg.filtermode || filterset()) && !refresh) { presel = FILTER; goto nochange; } /* Save current */ if (ndents) copycurname(); /* Repopulate as directory content may have changed */ goto begin; } case SEL_SEL: if (!ndents) goto nochange; startselection(); if (g_state.rangesel) g_state.rangesel = 0; /* Toggle selection status */ dents[cur].flags ^= FILE_SELECTED; if (dents[cur].flags & FILE_SELECTED) { ++nselected; appendfpath(newpath, mkpath(path, dents[cur].name, newpath)); writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */ } else { selbufpos = lastappendpos; if (--nselected) { updateselbuf(path, newpath); writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */ } else writesel(NULL, 0); } if (cfg.x11) plugscript(utils[UTIL_CBCP], F_NOWAIT | F_NOTRACE); if (!nselected) unlink(selpath); #ifndef NOMOUSE if (rightclicksel) rightclicksel = 0; else #endif /* move cursor to the next entry if this is not the last entry */ if (!cfg.picker && cur != ndents - 1) move_cursor((cur + 1) % ndents, 0); break; case SEL_SELMUL: if (!ndents) goto nochange; startselection(); g_state.rangesel ^= 1; if (stat(path, &sb) == -1) { printwarn(&presel); goto nochange; } if (g_state.rangesel) { /* Range selection started */ #ifndef DIR_LIMITED_SELECTION inode = sb.st_ino; #endif selstartid = cur; continue; } #ifndef DIR_LIMITED_SELECTION if (inode != sb.st_ino) { printwait(messages[MSG_DIR_CHANGED], &presel); goto nochange; } #endif if (cur < selstartid) { selendid = selstartid; selstartid = cur; } else selendid = cur; /* Clear selection on repeat on same file */ if (selstartid == selendid) { resetselind(); clearselection(); break; } // fallthrough case SEL_SELALL: if (sel == SEL_SELALL) { if (!ndents) goto nochange; startselection(); if (g_state.rangesel) g_state.rangesel = 0; selstartid = 0; selendid = ndents - 1; } /* Remember current selection buffer position */ for (r = selstartid; r <= selendid; ++r) if (!(dents[r].flags & FILE_SELECTED)) { /* Write the path to selection file to avoid flush */ appendfpath(newpath, mkpath(path, dents[r].name, newpath)); dents[r].flags |= FILE_SELECTED; ++nselected; } writesel(pselbuf, selbufpos - 1); /* Truncate NULL from end */ if (cfg.x11) plugscript(utils[UTIL_CBCP], F_NOWAIT | F_NOTRACE); continue; case SEL_SELEDIT: r = editselection(); if (r <= 0) { r = !r ? MSG_0_SELECTED : MSG_FAILED; printwait(messages[r], &presel); } else { if (cfg.x11) plugscript(utils[UTIL_CBCP], F_NOWAIT | F_NOTRACE); cfg.filtermode ? presel = FILTER : statusbar(path); } goto nochange; case SEL_CP: // fallthrough case SEL_MV: // fallthrough case SEL_CPMVAS: // fallthrough case SEL_RM: { if (sel == SEL_RM) { r = get_cur_or_sel(); if (!r) { statusbar(path); goto nochange; } if (r == 'c') { tmp = (listpath && xstrcmp(path, listpath) == 0) ? prefixpath : path; mkpath(tmp, dents[cur].name, newpath); xrm(newpath); if (access(newpath, F_OK) == 0) /* File not removed */ continue; if (cur) { cur += (cur != (ndents - 1)) ? 1 : -1; copycurname(); } else lastname[0] = '\0'; if (cfg.filtermode || filterset()) presel = FILTER; goto begin; } } if (nselected == 1 && (sel == SEL_CP || sel == SEL_MV)) mkpath(path, xbasename(pselbuf), newpath); else newpath[0] = '\0'; endselection(); if (!cpmvrm_selection(sel, path)) { presel = MSGWAIT; goto nochange; } if (cfg.filtermode) presel = FILTER; clearfilter(); /* Show notification on operation complete */ if (cfg.x11) plugscript(utils[UTIL_NTFY], F_NOWAIT | F_NOTRACE); if (newpath[0] && !access(newpath, F_OK)) xstrsncpy(lastname, xbasename(newpath), NAME_MAX+1); else if (ndents) copycurname(); goto begin; } case SEL_ARCHIVE: // fallthrough case SEL_OPENWITH: // fallthrough case SEL_NEW: // fallthrough case SEL_RENAME: { int fd, ret = 'n'; if (!ndents && (sel == SEL_OPENWITH || sel == SEL_RENAME)) break; if (sel != SEL_OPENWITH) endselection(); switch (sel) { case SEL_ARCHIVE: r = get_cur_or_sel(); if (!r) { statusbar(path); goto nochange; } if (r == 's') { if (!selsafe()) { presel = MSGWAIT; goto nochange; } tmp = NULL; } else tmp = dents[cur].name; tmp = xreadline(tmp, messages[MSG_ARCHIVE_NAME]); break; case SEL_OPENWITH: #ifdef NORL tmp = xreadline(NULL, messages[MSG_OPEN_WITH]); #else tmp = getreadline(messages[MSG_OPEN_WITH]); #endif break; case SEL_NEW: r = get_input(messages[MSG_NEW_OPTS]); if (r == 'f' || r == 'd') tmp = xreadline(NULL, messages[MSG_REL_PATH]); else if (r == 's' || r == 'h') tmp = xreadline(NULL, messages[MSG_LINK_PREFIX]); else tmp = NULL; break; default: /* SEL_RENAME */ tmp = xreadline(dents[cur].name, ""); break; } if (!tmp || !*tmp) break; /* Allow only relative, same dir paths */ if (tmp[0] == '/' || ((r != 'f' && r != 'd') && (xstrcmp(xbasename(tmp), tmp) != 0))) { printwait(messages[MSG_NO_TRAVERSAL], &presel); goto nochange; } switch (sel) { case SEL_ARCHIVE: if (r == 'c' && strcmp(tmp, dents[cur].name) == 0) goto nochange; mkpath(path, tmp, newpath); if (access(newpath, F_OK) == 0) { if (!xconfirm(get_input(messages[MSG_OVERWRITE]))) { statusbar(path); goto nochange; } } get_archive_cmd(newpath, tmp); (r == 's') ? archive_selection(newpath, tmp, path) : spawn(newpath, tmp, dents[cur].name, F_NORMAL | F_MULTI); mkpath(path, tmp, newpath); if (access(newpath, F_OK) == 0) { /* File created */ xstrsncpy(lastname, tmp, NAME_MAX + 1); clearfilter(); /* Archive name may not match */ goto begin; } continue; case SEL_OPENWITH: /* Confirm if app is CLI or GUI */ r = get_input(messages[MSG_CLI_MODE]); r = (r == 'c' ? F_CLI : (r == 'g' ? F_NOWAIT | F_NOTRACE | F_MULTI : 0)); if (r) { mkpath(path, dents[cur].name, newpath); spawn(tmp, newpath, NULL, r); } cfg.filtermode ? presel = FILTER : statusbar(path); copycurname(); goto nochange; case SEL_RENAME: /* Skip renaming to same name */ if (strcmp(tmp, dents[cur].name) == 0) { tmp = xreadline(dents[cur].name, messages[MSG_COPY_NAME]); if (!tmp || !tmp[0] || !strcmp(tmp, dents[cur].name)) { cfg.filtermode ? presel = FILTER : statusbar(path); copycurname(); goto nochange; } ret = 'd'; } break; default: /* SEL_NEW */ break; } /* Open the descriptor to currently open directory */ #ifdef O_DIRECTORY fd = open(path, O_RDONLY | O_DIRECTORY); #else fd = open(path, O_RDONLY); #endif if (fd == -1) { printwarn(&presel); goto nochange; } /* Check if another file with same name exists */ if (faccessat(fd, tmp, F_OK, AT_SYMLINK_NOFOLLOW) != -1) { if (sel == SEL_RENAME) { /* Overwrite file with same name? */ if (!xconfirm(get_input(messages[MSG_OVERWRITE]))) { close(fd); break; } } else { /* Do nothing in case of NEW */ close(fd); printwait(messages[MSG_EXISTS], &presel); goto nochange; } } if (sel == SEL_RENAME) { /* Rename the file */ if (ret == 'd') spawn("cp -rp", dents[cur].name, tmp, F_SILENT); else if (renameat(fd, dents[cur].name, fd, tmp) != 0) { close(fd); printwarn(&presel); goto nochange; } close(fd); xstrsncpy(lastname, tmp, NAME_MAX + 1); } else { /* SEL_NEW */ close(fd); presel = 0; /* Check if it's a dir or file */ if (r == 'f') { mkpath(path, tmp, newpath); ret = xmktree(newpath, FALSE); } else if (r == 'd') { mkpath(path, tmp, newpath); ret = xmktree(newpath, TRUE); } else if (r == 's' || r == 'h') { if (tmp[0] == '@' && tmp[1] == '\0') tmp[0] = '\0'; ret = xlink(tmp, path, (ndents ? dents[cur].name : NULL), newpath, &presel, r); } if (!ret) printwait(messages[MSG_FAILED], &presel); if (ret <= 0) goto nochange; if (r == 'f' || r == 'd') xstrsncpy(lastname, tmp, NAME_MAX + 1); else if (ndents) { if (cfg.filtermode) presel = FILTER; copycurname(); } clearfilter(); } goto begin; } case SEL_PLUGIN: /* Check if directory is accessible */ if (!xdiraccess(plugindir)) { printwarn(&presel); goto nochange; } if (!pkey) { r = xstrsncpy(g_buf, messages[MSG_PLUGIN_KEYS], CMD_LEN_MAX); printkeys(plug, g_buf + r - 1, maxplug); printmsg(g_buf); r = get_input(NULL); } else { r = pkey; pkey = '\0'; } if (r != '\r') { endselection(); tmp = get_kv_val(plug, NULL, r, maxplug, NNN_PLUG); if (!tmp) { printwait(messages[MSG_INVALID_KEY], &presel); goto nochange; } if (tmp[0] == '-' && tmp[1]) { ++tmp; r = FALSE; /* Do not refresh dir after completion */ } else r = TRUE; if (!run_selected_plugin(&path, tmp, (ndents ? dents[cur].name : NULL), &lastname, &lastdir)) { printwait(messages[MSG_FAILED], &presel); goto nochange; } if (ndents) copycurname(); if (!r) { cfg.filtermode ? presel = FILTER : statusbar(path); goto nochange; } } else { /* 'Return/Enter' enters the plugin directory */ cfg.runplugin ^= 1; if (!cfg.runplugin && rundir[0]) { /* * If toggled, and still in the plugin dir, * switch to original directory */ if (strcmp(path, plugindir) == 0) { xstrsncpy(path, rundir, PATH_MAX); xstrsncpy(lastname, runfile, NAME_MAX); rundir[0] = runfile[0] = '\0'; setdirwatch(); goto begin; } /* Otherwise, initiate choosing plugin again */ cfg.runplugin = 1; } xstrsncpy(rundir, path, PATH_MAX); xstrsncpy(path, plugindir, PATH_MAX); if (ndents) xstrsncpy(runfile, dents[cur].name, NAME_MAX); cfg.runctx = cfg.curctx; lastname[0] = '\0'; } setdirwatch(); clearfilter(); goto begin; case SEL_SHELL: // fallthrough case SEL_LAUNCH: // fallthrough case SEL_RUNCMD: endselection(); switch (sel) { case SEL_SHELL: /* Set nnn nesting level */ tmp = getenv(env_cfg[NNNLVL]); setenv(env_cfg[NNNLVL], xitoa((tmp ? atoi(tmp) : 0) + 1), 1); setenv(envs[ENV_NCUR], (ndents ? dents[cur].name : ""), 1); spawn(shell, NULL, NULL, F_CLI); setenv(env_cfg[NNNLVL], xitoa(tmp ? atoi(tmp) : 0), 1); r = TRUE; break; case SEL_LAUNCH: launch_app(newpath); r = FALSE; break; default: /* SEL_RUNCMD */ r = TRUE; #ifndef NORL if (cfg.picker) { #endif tmp = xreadline(NULL, ">>> "); #ifndef NORL } else tmp = getreadline("\n>>> "); #endif if (tmp && *tmp) // NOLINT prompt_run(tmp, (ndents ? dents[cur].name : "")); else r = FALSE; } /* Continue in type-to-nav mode, if enabled */ if (cfg.filtermode) presel = FILTER; /* Save current */ if (ndents) copycurname(); if (!r) goto nochange; /* Repopulate as directory content may have changed */ goto begin; case SEL_UMOUNT: tmp = ndents ? dents[cur].name : NULL; unmount(tmp, newpath, &presel, path); goto nochange; case SEL_SESSIONS: r = get_input(messages[MSG_SSN_OPTS]); if (r == 's') save_session(FALSE, &presel); else if (r == 'l' || r == 'r') { if (load_session(NULL, &path, &lastdir, &lastname, r == 'r')) { setdirwatch(); goto begin; } } statusbar(path); goto nochange; case SEL_EXPORT: export_file_list(); cfg.filtermode ? presel = FILTER : statusbar(path); goto nochange; case SEL_TIMETYPE: if (!set_time_type(&presel)) goto nochange; goto begin; case SEL_QUITCTX: // fallthrough case SEL_QUITCD: // fallthrough case SEL_QUIT: case SEL_QUITFAIL: if (sel == SEL_QUITCTX) { int ctx = cfg.curctx; for (r = (ctx + 1) & ~CTX_MAX; (r != ctx) && !g_ctx[r].c_cfg.ctxactive; r = ((r + 1) & ~CTX_MAX)) { }; if (r != ctx) { bool selmode = cfg.selmode ? TRUE : FALSE; g_ctx[ctx].c_cfg.ctxactive = 0; /* Switch to next active context */ path = g_ctx[r].c_path; lastdir = g_ctx[r].c_last; lastname = g_ctx[r].c_name; /* Switch light/detail mode */ if (cfg.showdetail != g_ctx[r].c_cfg.showdetail) /* Set the reverse */ printptr = cfg.showdetail ? &printent : &printent_long; cfg = g_ctx[r].c_cfg; /* Continue selection mode */ cfg.selmode = selmode; cfg.curctx = r; setdirwatch(); goto begin; } } else if (!g_state.forcequit) { for (r = 0; r < CTX_MAX; ++r) if (r != cfg.curctx && g_ctx[r].c_cfg.ctxactive) { r = get_input(messages[MSG_QUIT_ALL]); break; } if (!(r == CTX_MAX || xconfirm(r))) break; // fallthrough } if (session && *session == '@' && !session[1]) save_session(TRUE, NULL); /* CD on Quit */ /* In vim picker mode, clear selection and exit */ /* Picker mode: reset buffer or clear file */ if (sel == SEL_QUITCD || getenv("NNN_TMPFILE")) cfg.picker ? selbufpos = 0 : write_lastdir(path); return sel == SEL_QUITFAIL ? EXIT_FAILURE : EXIT_SUCCESS; #ifndef NOFIFO case SEL_FIFO: notify_fifo(TRUE); goto nochange; #endif default: if (xlines != LINES || xcols != COLS) continue; if (idletimeout && idle == idletimeout) lock_terminal(); /* Locker */ idle = 0; if (ndents) copycurname(); goto nochange; } /* switch (sel) */ } } static char *make_tmp_tree(char **paths, ssize_t entries, const char *prefix) { /* tmpdir holds the full path */ /* tmp holds the path without the tmp dir prefix */ int err; struct stat sb; char *slash, *tmp; ssize_t len = xstrlen(prefix); char *tmpdir = malloc(PATH_MAX); if (!tmpdir) { DPRINTF_S(strerror(errno)); return NULL; } tmp = tmpdir + tmpfplen - 1; xstrsncpy(tmpdir, g_tmpfpath, tmpfplen); xstrsncpy(tmp, "/nnnXXXXXX", 11); /* Points right after the base tmp dir */ tmp += 10; /* handle the case where files are directly under / */ if (!prefix[1] && (prefix[0] == '/')) len = 0; if (!mkdtemp(tmpdir)) { free(tmpdir); DPRINTF_S(strerror(errno)); return NULL; } listpath = tmpdir; for (ssize_t i = 0; i < entries; ++i) { if (!paths[i]) continue; err = stat(paths[i], &sb); if (err && errno == ENOENT) continue; /* Don't copy the common prefix */ xstrsncpy(tmp, paths[i] + len, xstrlen(paths[i]) - len + 1); /* Get the dir containing the path */ slash = xmemrchr((uchar *)tmp, '/', xstrlen(paths[i]) - len); if (slash) *slash = '\0'; xmktree(tmpdir, TRUE); if (slash) *slash = '/'; if (symlink(paths[i], tmpdir)) { DPRINTF_S(paths[i]); DPRINTF_S(strerror(errno)); } } /* Get the dir in which to start */ *tmp = '\0'; return tmpdir; } static char *load_input(int fd, const char *path) { ssize_t i, chunk_count = 1, chunk = 512 * 1024 /* 512 KiB chunk size */, entries = 0; char *input = malloc(sizeof(char) * chunk), *tmpdir = NULL; char cwd[PATH_MAX], *next; size_t offsets[LIST_FILES_MAX]; char **paths = NULL; ssize_t input_read, total_read = 0, off = 0; int msgnum = 0; if (!input) { DPRINTF_S(strerror(errno)); return NULL; } if (!path) { if (!getcwd(cwd, PATH_MAX)) { free(input); return NULL; } } else xstrsncpy(cwd, path, PATH_MAX); while (chunk_count < 512) { input_read = read(fd, input + total_read, chunk); if (input_read < 0) { DPRINTF_S(strerror(errno)); goto malloc_1; } if (input_read == 0) break; total_read += input_read; ++chunk_count; while (off < total_read) { next = memchr(input + off, '\0', total_read - off) + 1; if (next == (void *)1) break; if (next - input == off + 1) { off = next - input; continue; } if (entries == LIST_FILES_MAX) { msgnum = MSG_LIMIT; goto malloc_1; } offsets[entries++] = off; off = next - input; } if (chunk_count == 512) { msgnum = MSG_LIMIT; goto malloc_1; } /* We don't need to allocate another chunk */ if (chunk_count == (total_read - input_read) / chunk) continue; chunk_count = total_read / chunk; if (total_read % chunk) ++chunk_count; if (!(input = xrealloc(input, (chunk_count + 1) * chunk))) return NULL; } if (off != total_read) { if (entries == LIST_FILES_MAX) { msgnum = MSG_LIMIT; goto malloc_1; } offsets[entries++] = off; } DPRINTF_D(entries); DPRINTF_D(total_read); DPRINTF_D(chunk_count); if (!entries) { msgnum = MSG_0_ENTRIES; goto malloc_1; } input[total_read] = '\0'; paths = malloc(entries * sizeof(char *)); if (!paths) goto malloc_1; for (i = 0; i < entries; ++i) paths[i] = input + offsets[i]; prefixpath = malloc(sizeof(char) * PATH_MAX); if (!prefixpath) goto malloc_1; prefixpath[0] = '\0'; DPRINTF_S(paths[0]); for (i = 0; i < entries; ++i) { if (paths[i][0] == '\n' || selforparent(paths[i])) { paths[i] = NULL; continue; } if (!(paths[i] = abspath(paths[i], cwd))) { entries = i; // free from the previous entry goto malloc_2; } DPRINTF_S(paths[i]); xstrsncpy(g_buf, paths[i], PATH_MAX); if (!common_prefix(xdirname(g_buf), prefixpath)) { entries = i + 1; // free from the current entry goto malloc_2; } DPRINTF_S(prefixpath); } DPRINTF_S(prefixpath); if (prefixpath[0]) tmpdir = make_tmp_tree(paths, entries, prefixpath); malloc_2: for (i = entries - 1; i >= 0; --i) free(paths[i]); malloc_1: if (msgnum) { if (g_state.pluginit) { printmsg(messages[msgnum]); xdelay(XDELAY_INTERVAL_MS); } else fprintf(stderr, "%s\n", messages[msgnum]); } free(input); free(paths); return tmpdir; } static void check_key_collision(void) { int key; bool bitmap[KEY_MAX] = {FALSE}; for (ulong i = 0; i < sizeof(bindings) / sizeof(struct key); ++i) { key = bindings[i].sym; if (bitmap[key]) fprintf(stdout, "key collision! [%s]\n", keyname(key)); else bitmap[key] = TRUE; } } static void usage(void) { fprintf(stdout, "%s: nnn [OPTIONS] [PATH]\n\n" "The missing terminal file manager for X.\n\n" "positional args:\n" " PATH start dir/file [default: .]\n\n" "optional args:\n" #ifndef NOFIFO " -a auto NNN_FIFO\n" #endif " -A no dir auto-select\n" " -b key open bookmark key (trumps -s/S)\n" " -c cli-only NNN_OPENER (trumps -e)\n" " -d detail mode\n" " -e text in $VISUAL/$EDITOR/vi\n" " -E use EDITOR for undetached edits\n" #ifndef NORL " -f use readline history file\n" #endif " -F show fortune\n" " -g regex filters [default: string]\n" " -H show hidden files\n" " -K detect key collision\n" " -l val set scroll lines\n" " -n type-to-nav mode\n" " -o open files only on Enter\n" " -p file selection file [stdout if '-']\n" " -P key run plugin key\n" " -Q no quit confirmation\n" " -r use advcpmv patched cp, mv\n" " -R no rollover at edges\n" " -s name load session by name\n" " -S persistent session\n" " -t secs timeout to lock\n" " -T key sort order [a/d/e/r/s/t/v]\n" " -V show version\n" " -x notis, sel to system clipboard\n" " -h show help\n\n" "v%s\n%s\n", __func__, VERSION, GENERAL_INFO); } static bool setup_config(void) { size_t r, len; char *xdgcfg = getenv("XDG_CONFIG_HOME"); bool xdg = FALSE; /* Set up configuration file paths */ if (xdgcfg && xdgcfg[0]) { DPRINTF_S(xdgcfg); if (xdgcfg[0] == '~') { r = xstrsncpy(g_buf, home, PATH_MAX); xstrsncpy(g_buf + r - 1, xdgcfg + 1, PATH_MAX); xdgcfg = g_buf; DPRINTF_S(xdgcfg); } if (!xdiraccess(xdgcfg)) { xerror(); return FALSE; } len = xstrlen(xdgcfg) + 1 + 13; /* add length of "/nnn/sessions" */ xdg = TRUE; } if (!xdg) len = xstrlen(home) + 1 + 21; /* add length of "/.config/nnn/sessions" */ cfgdir = (char *)malloc(len); plugindir = (char *)malloc(len); sessiondir = (char *)malloc(len); if (!cfgdir || !plugindir || !sessiondir) { xerror(); return FALSE; } if (xdg) { xstrsncpy(cfgdir, xdgcfg, len); r = len - 13; /* subtract length of "/nnn/sessions" */ } else { r = xstrsncpy(cfgdir, home, len); /* Create ~/.config */ xstrsncpy(cfgdir + r - 1, "/.config", len - r); DPRINTF_S(cfgdir); r += 8; /* length of "/.config" */ } /* Create ~/.config/nnn */ xstrsncpy(cfgdir + r - 1, "/nnn", len - r); DPRINTF_S(cfgdir); /* Create ~/.config/nnn/plugins */ xstrsncpy(plugindir, cfgdir, PATH_MAX); xstrsncpy(plugindir + r + 4 - 1, "/plugins", 9); /* subtract length of "/nnn" (4) */ DPRINTF_S(plugindir); if (access(plugindir, F_OK) && !xmktree(plugindir, TRUE)) { xerror(); return FALSE; } /* Create ~/.config/nnn/sessions */ xstrsncpy(sessiondir, cfgdir, PATH_MAX); xstrsncpy(sessiondir + r + 4 - 1, "/sessions", 10); /* subtract length of "/nnn" (4) */ DPRINTF_S(sessiondir); if (access(sessiondir, F_OK) && !xmktree(sessiondir, TRUE)) { xerror(); return FALSE; } /* Set selection file path */ if (!cfg.picker) { char *env_sel = xgetenv(env_cfg[NNN_SEL], NULL); if (env_sel) selpath = xstrdup(env_sel); else /* Length of "/.config/nnn/.selection" */ selpath = (char *)malloc(len + 3); if (!selpath) { xerror(); return FALSE; } if (!env_sel) { r = xstrsncpy(selpath, cfgdir, len + 3); xstrsncpy(selpath + r - 1, "/.selection", 12); DPRINTF_S(selpath); } } return TRUE; } static bool set_tmp_path(void) { char *tmp = "/tmp"; char *path = xdiraccess(tmp) ? tmp : getenv("TMPDIR"); if (!path) { fprintf(stderr, "set TMPDIR\n"); return FALSE; } tmpfplen = (uchar)xstrsncpy(g_tmpfpath, path, TMP_LEN_MAX); return TRUE; } static void cleanup(void) { free(selpath); free(plugindir); free(sessiondir); free(cfgdir); free(initpath); free(bmstr); free(pluginstr); free(prefixpath); free(ihashbmp); free(bookmark); free(plug); #ifndef NOFIFO if (g_state.autofifo) unlink(fifopath); #endif if (g_state.pluginit) unlink(g_pipepath); #ifdef DBGMODE disabledbg(); #endif } int main(int argc, char *argv[]) { char *arg = NULL; char *session = NULL; int fd, opt, sort = 0, pkey = '\0'; /* Plugin key */ #ifndef NOMOUSE mmask_t mask; char *middle_click_env = xgetenv(env_cfg[NNN_MCLICK], "\0"); if (middle_click_env[0] == '^' && middle_click_env[1]) middle_click_key = CONTROL(middle_click_env[1]); else middle_click_key = (uchar)middle_click_env[0]; #endif const char* const env_opts = xgetenv(env_cfg[NNN_OPTS], NULL); int env_opts_id = env_opts ? (int)xstrlen(env_opts) : -1; #ifndef NORL bool rlhist = FALSE; #endif while ((opt = (env_opts_id > 0 ? env_opts[--env_opts_id] : getopt(argc, argv, "aAb:cdeEfFgHKl:nop:P:QrRs:St:T:Vxh"))) != -1) { switch (opt) { #ifndef NOFIFO case 'a': g_state.autofifo = 1; break; #endif case 'A': cfg.autoselect = 0; break; case 'b': if (env_opts_id < 0) arg = optarg; break; case 'c': cfg.cliopener = 1; break; case 'd': cfg.showdetail = 1; printptr = &printent_long; break; case 'e': cfg.useeditor = 1; break; case 'E': cfg.waitedit = 1; break; case 'f': #ifndef NORL rlhist = TRUE; #endif break; case 'F': g_state.fortune = 1; break; case 'g': cfg.regex = 1; filterfn = &visible_re; break; case 'H': cfg.showhidden = 1; break; case 'K': check_key_collision(); return EXIT_SUCCESS; case 'l': if (env_opts_id < 0) scroll_lines = atoi(optarg); break; case 'n': cfg.filtermode = 1; break; case 'o': cfg.nonavopen = 1; break; case 'p': if (env_opts_id >= 0) break; cfg.picker = 1; if (optarg[0] == '-' && optarg[1] == '\0') cfg.pickraw = 1; else { fd = open(optarg, O_WRONLY | O_CREAT, 0600); if (fd == -1) { xerror(); return EXIT_FAILURE; } close(fd); selpath = realpath(optarg, NULL); unlink(selpath); } break; case 'P': if (env_opts_id < 0 && !optarg[1]) pkey = (uchar)optarg[0]; break; case 'Q': g_state.forcequit = 1; break; case 'r': #ifdef __linux__ cp[2] = cp[5] = mv[2] = mv[5] = 'g'; /* cp -iRp -> cpg -giRp */ cp[4] = mv[4] = '-'; #endif break; case 'R': cfg.rollover = 0; break; case 's': if (env_opts_id < 0) session = optarg; break; case 'S': session = "@"; break; case 't': if (env_opts_id < 0) idletimeout = atoi(optarg); break; case 'T': if (env_opts_id < 0) sort = (uchar)optarg[0]; break; case 'V': fprintf(stdout, "%s\n", VERSION); return EXIT_SUCCESS; case 'x': cfg.x11 = 1; break; case 'h': usage(); return EXIT_SUCCESS; default: usage(); return EXIT_FAILURE; } if (env_opts_id == 0) env_opts_id = -1; } #ifdef DBGMODE enabledbg(); DPRINTF_S(VERSION); #endif /* Prefix for temporary files */ if (!set_tmp_path()) return EXIT_FAILURE; atexit(cleanup); /* Check if we are in path list mode */ if (!isatty(STDIN_FILENO)) { /* This is the same as listpath */ initpath = load_input(STDIN_FILENO, NULL); if (!initpath) return EXIT_FAILURE; /* We return to tty */ dup2(STDOUT_FILENO, STDIN_FILENO); } home = getenv("HOME"); if (!home) { fprintf(stderr, "set HOME\n"); return EXIT_FAILURE; } DPRINTF_S(home); if (!setup_config()) return EXIT_FAILURE; /* Get custom opener, if set */ opener = xgetenv(env_cfg[NNN_OPENER], utils[UTIL_OPENER]); DPRINTF_S(opener); /* Parse bookmarks string */ if (!parsekvpair(&bookmark, &bmstr, NNN_BMS, &maxbm)) { fprintf(stderr, "%s\n", env_cfg[NNN_BMS]); return EXIT_FAILURE; } /* Parse plugins string */ if (!parsekvpair(&plug, &pluginstr, NNN_PLUG, &maxplug)) { fprintf(stderr, "%s\n", env_cfg[NNN_PLUG]); return EXIT_FAILURE; } if (!initpath) { if (arg) { /* Open a bookmark directly */ if (!arg[1]) /* Bookmarks keys are single char */ initpath = get_kv_val(bookmark, NULL, *arg, maxbm, NNN_BMS); if (!initpath) { fprintf(stderr, "%s\n", messages[MSG_INVALID_KEY]); return EXIT_FAILURE; } if (session) session = NULL; } else if (argc == optind) { /* Start in the current directory */ initpath = getcwd(NULL, PATH_MAX); if (!initpath) initpath = "/"; } else { arg = argv[optind]; DPRINTF_S(arg); if (xstrlen(arg) > 7 && is_prefix(arg, "file://", 7)) arg = arg + 7; initpath = realpath(arg, NULL); DPRINTF_S(initpath); if (!initpath) { xerror(); return EXIT_FAILURE; } /* * If nnn is set as the file manager, applications may try to open * files by invoking nnn. In that case pass the file path to the * desktop opener and exit. */ struct stat sb; if (stat(initpath, &sb) == -1) { xerror(); return EXIT_FAILURE; } if (!S_ISDIR(sb.st_mode)) g_state.initfile = 1; if (session) session = NULL; } } /* Set archive handling (enveditor used as tmp var) */ enveditor = getenv(env_cfg[NNN_ARCHIVE]); #ifdef PCRE if (setfilter(&archive_pcre, (enveditor ? enveditor : patterns[P_ARCHIVE]))) { #else if (setfilter(&archive_re, (enveditor ? enveditor : patterns[P_ARCHIVE]))) { #endif fprintf(stderr, "%s\n", messages[MSG_INVALID_REG]); return EXIT_FAILURE; } /* An all-CLI opener overrides option -e) */ if (cfg.cliopener) cfg.useeditor = 0; /* Get VISUAL/EDITOR */ enveditor = xgetenv(envs[ENV_EDITOR], utils[UTIL_VI]); editor = xgetenv(envs[ENV_VISUAL], enveditor); DPRINTF_S(getenv(envs[ENV_VISUAL])); DPRINTF_S(getenv(envs[ENV_EDITOR])); DPRINTF_S(editor); /* Get PAGER */ pager = xgetenv(envs[ENV_PAGER], utils[UTIL_LESS]); DPRINTF_S(pager); /* Get SHELL */ shell = xgetenv(envs[ENV_SHELL], utils[UTIL_SH]); DPRINTF_S(shell); DPRINTF_S(getenv("PWD")); #ifndef NOFIFO /* Create fifo */ if (g_state.autofifo) { g_tmpfpath[tmpfplen - 1] = '\0'; snprintf(g_buf, CMD_LEN_MAX, "%s/nnn-fifo.%d", g_tmpfpath, getpid()); setenv("NNN_FIFO", g_buf, TRUE); } fifopath = xgetenv("NNN_FIFO", NULL); if (fifopath) { if (mkfifo(fifopath, 0600) != 0 && !(errno == EEXIST && access(fifopath, W_OK) == 0)) { xerror(); return EXIT_FAILURE; } sigaction(SIGPIPE, &(struct sigaction){.sa_handler = SIG_IGN}, NULL); } #endif #ifdef LINUX_INOTIFY /* Initialize inotify */ inotify_fd = inotify_init1(IN_NONBLOCK); if (inotify_fd < 0) { xerror(); return EXIT_FAILURE; } #elif defined(BSD_KQUEUE) kq = kqueue(); if (kq < 0) { xerror(); return EXIT_FAILURE; } #elif defined(HAIKU_NM) haiku_hnd = haiku_init_nm(); if (!haiku_hnd) { xerror(); return EXIT_FAILURE; } #endif /* Configure trash preference */ if (xgetenv_set(env_cfg[NNN_TRASH])) g_state.trash = 1; /* Ignore/handle certain signals */ struct sigaction act = {.sa_handler = sigint_handler}; if (sigaction(SIGINT, &act, NULL) < 0) { xerror(); return EXIT_FAILURE; } act.sa_handler = clean_exit_sighandler; if (sigaction(SIGTERM, &act, NULL) < 0 || sigaction(SIGHUP, &act, NULL) < 0) { xerror(); return EXIT_FAILURE; } act.sa_handler = SIG_IGN; if (sigaction(SIGQUIT, &act, NULL) < 0) { xerror(); return EXIT_FAILURE; } #ifndef NOLOCALE /* Set locale */ setlocale(LC_ALL, ""); #ifdef PCRE tables = pcre_maketables(); #endif #endif #ifndef NORL #if RL_READLINE_VERSION >= 0x0603 /* readline would overwrite the WINCH signal hook */ rl_change_environment = 0; #endif /* Bind TAB to cycling */ rl_variable_bind("completion-ignore-case", "on"); #ifdef __linux__ rl_bind_key('\t', rl_menu_complete); #else rl_bind_key('\t', rl_complete); #endif if (rlhist) { mkpath(cfgdir, ".history", g_buf); read_history(g_buf); } #endif #ifndef NOMOUSE if (!initcurses(&mask)) #else if (!initcurses(NULL)) #endif return EXIT_FAILURE; if (sort) set_sort_flags(sort); opt = browse(initpath, session, pkey); #ifndef NOMOUSE mousemask(mask, NULL); #endif exitcurses(); #ifndef NORL if (rlhist) { mkpath(cfgdir, ".history", g_buf); write_history(g_buf); } #endif if (cfg.pickraw || cfg.picker) { if (selbufpos) { fd = cfg.pickraw ? 1 : open(selpath, O_WRONLY | O_CREAT, 0600); if ((fd == -1) || (seltofile(fd, NULL) != (size_t)(selbufpos))) xerror(); if (fd > 1) close(fd); } } else if (selpath) unlink(selpath); /* Remove tmp dir in list mode */ rmlistpath(); /* Free the regex */ #ifdef PCRE pcre_free(archive_pcre); #else regfree(&archive_re); #endif /* Free the selection buffer */ free(pselbuf); #ifdef LINUX_INOTIFY /* Shutdown inotify */ if (inotify_wd >= 0) inotify_rm_watch(inotify_fd, inotify_wd); close(inotify_fd); #elif defined(BSD_KQUEUE) if (event_fd >= 0) close(event_fd); close(kq); #elif defined(HAIKU_NM) haiku_close_nm(haiku_hnd); #endif #ifndef NOFIFO notify_fifo(FALSE); if (fifofd != -1) close(fifofd); #endif return opt; }