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Only use chdir(3) just before spawning a shell

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This commit is contained in:
lostd 2014-10-23 17:37:12 +03:00
parent a606073296
commit 8d4019f3aa
1 changed files with 28 additions and 20 deletions
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48
noice.c
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@ -141,13 +141,15 @@ xdirname(const char *path)
}
void
spawn(const char *file, const char *arg)
spawn(const char *file, const char *arg, const char *dir)
{
pid_t pid;
int status;
pid = fork();
if (pid == 0) {
if (dir != NULL)
chdir(dir);
execlp(file, file, arg, NULL);
_exit(1);
} else {
@ -570,10 +572,10 @@ browse(const char *ipath, const char *ifilter)
struct entry *dents;
int i, n, cur;
int r, ret, fd;
char *path = xrealpath(ipath);
char *path = xstrdup(ipath);
char *filter = xstrdup(ifilter);
regex_t filter_re;
char *cwd;
char *cwd, *newpath;
struct stat sb;
char *hpath;
@ -588,9 +590,6 @@ begin:
if (dirp == NULL) {
printwarn();
goto nochange;
} else {
if (chdir(path) == -1)
printwarn();
}
/* Search filter */
@ -680,30 +679,35 @@ nochange:
goto nochange;
name = dents[cur].name;
DPRINTF_S(name);
newpath = makepath(path, name);
DPRINTF_S(newpath);
/* Get path info */
fd = openat(dirfd(dirp), name, O_RDONLY | O_NONBLOCK);
fd = open(newpath, O_RDONLY | O_NONBLOCK);
if (fd == -1) {
printwarn();
free(newpath);
goto nochange;
}
r = fstat(fd, &sb);
if (r == -1) {
printwarn();
close(fd);
free(newpath);
goto nochange;
}
close(fd);
r = fstatat(dirfd(dirp), name, &sb, 0);
if (r == -1) {
printwarn();
goto nochange;
}
DPRINTF_U(sb.st_mode);
switch (sb.st_mode & S_IFMT) {
case S_IFDIR:
if (canopendir(path) == 0) {
if (canopendir(newpath) == 0) {
printwarn();
free(newpath);
goto nochange;
}
free(path);
path = xrealpath(name);
path = newpath;
/* Reset filter */
free(filter);
filter = xstrdup(ifilter);
@ -715,11 +719,13 @@ nochange:
bin = openwith(name);
if (bin == NULL) {
printmsg("No association");
free(newpath);
goto nochange;
}
exitcurses();
spawn(bin, name);
spawn(bin, newpath, NULL);
initcurses();
free(newpath);
goto redraw;
default:
printmsg("Unsupported file");
@ -746,7 +752,7 @@ nochange:
goto out;
case SEL_SH:
exitcurses();
spawn("/bin/sh", NULL);
spawn("/bin/sh", NULL, path);
initcurses();
break;
case SEL_CD:
@ -757,13 +763,15 @@ nochange:
clearprompt();
goto nochange;
}
if (canopendir(tmp) == 0) {
newpath = makepath(path, tmp);
free(tmp);
if (canopendir(newpath) == 0) {
free(newpath);
printwarn();
goto nochange;
}
free(path);
path = xrealpath(tmp);
free(tmp);
path = newpath;
free(filter);
filter = xstrdup(ifilter); /* Reset filter */
forgethist();