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#75, update client code

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This commit is contained in:
Erik Ekman 2009-09-20 15:11:15 +00:00
parent 83dfde0728
commit 8c082fe853
2 changed files with 15 additions and 3 deletions
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2
src/client.h
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@ -26,6 +26,8 @@ const char *client_get_raw_addr();
void client_set_nameserver(const char *cp, int port); void client_set_nameserver(const char *cp, int port);
void client_set_topdomain(const char *cp); void client_set_topdomain(const char *cp);
void client_set_password(const char *cp); void client_set_password(const char *cp);
void set_qtype(char *qtype);
void set_downenc(char *encoding);
int client_handshake(int dns_fd, int raw_mode, int autodetect_frag_size, int fragsize); int client_handshake(int dns_fd, int raw_mode, int autodetect_frag_size, int fragsize);
int client_tunnel(int tun_fd, int dns_fd); int client_tunnel(int tun_fd, int dns_fd);

16
src/iodine.c
View file

@ -61,7 +61,7 @@ usage() {
extern char *__progname; extern char *__progname;
fprintf(stderr, "Usage: %s [-v] [-h] [-f] [-r] [-u user] [-t chrootdir] [-d device] " fprintf(stderr, "Usage: %s [-v] [-h] [-f] [-r] [-u user] [-t chrootdir] [-d device] "
"[-P password] [-m maxfragsize] [-z context] [-F pidfile] " "[-P password] [-m maxfragsize] [-T type] [-O enc] [-z context] [-F pidfile] "
"[nameserver] topdomain\n", __progname); "[nameserver] topdomain\n", __progname);
exit(2); exit(2);
} }
@ -72,7 +72,7 @@ help() {
fprintf(stderr, "iodine IP over DNS tunneling client\n"); fprintf(stderr, "iodine IP over DNS tunneling client\n");
fprintf(stderr, "Usage: %s [-v] [-h] [-f] [-r] [-u user] [-t chrootdir] [-d device] " fprintf(stderr, "Usage: %s [-v] [-h] [-f] [-r] [-u user] [-t chrootdir] [-d device] "
"[-P password] [-m maxfragsize] [-z context] [-F pidfile] " "[-P password] [-m maxfragsize] [-T type] [-O enc] [-z context] [-F pidfile] "
"[nameserver] topdomain\n", __progname); "[nameserver] topdomain\n", __progname);
fprintf(stderr, " -v to print version info and exit\n"); fprintf(stderr, " -v to print version info and exit\n");
fprintf(stderr, " -h to print this help and exit\n"); fprintf(stderr, " -h to print this help and exit\n");
@ -83,6 +83,8 @@ help() {
fprintf(stderr, " -d device to set tunnel device name\n"); fprintf(stderr, " -d device to set tunnel device name\n");
fprintf(stderr, " -P password used for authentication (max 32 chars will be used)\n"); fprintf(stderr, " -P password used for authentication (max 32 chars will be used)\n");
fprintf(stderr, " -m maxfragsize, to limit size of downstream packets\n"); fprintf(stderr, " -m maxfragsize, to limit size of downstream packets\n");
fprintf(stderr, " -T dns type: NULL (default, fastest), TXT, CNAME, A (CNAME answer), MX\n");
fprintf(stderr, " -O downstream encoding (!NULL): Base32(default), Base64, or Raw (only TXT)\n");
fprintf(stderr, " -z context, to apply specified SELinux context after initialization\n"); fprintf(stderr, " -z context, to apply specified SELinux context after initialization\n");
fprintf(stderr, " -F pidfile to write pid to a file\n"); fprintf(stderr, " -F pidfile to write pid to a file\n");
fprintf(stderr, "nameserver is the IP number of the relaying nameserver, if absent /etc/resolv.conf is used\n"); fprintf(stderr, "nameserver is the IP number of the relaying nameserver, if absent /etc/resolv.conf is used\n");
@ -133,6 +135,7 @@ main(int argc, char **argv)
#endif #endif
username = NULL; username = NULL;
memset(password, 0, 33); memset(password, 0, 33);
srand(time(NULL));
foreground = 0; foreground = 0;
newroot = NULL; newroot = NULL;
context = NULL; context = NULL;
@ -159,7 +162,7 @@ main(int argc, char **argv)
__progname++; __progname++;
#endif #endif
while ((choice = getopt(argc, argv, "vfhru:t:d:P:m:F:")) != -1) { while ((choice = getopt(argc, argv, "vfhru:t:d:P:m:F:T:O:")) != -1) {
switch(choice) { switch(choice) {
case 'v': case 'v':
version(); version();
@ -200,6 +203,12 @@ main(int argc, char **argv)
case 'F': case 'F':
pidfile = optarg; pidfile = optarg;
break; break;
case 'T':
set_qtype(optarg);
break;
case 'O': /* not -D, is Debug in server */
set_downenc(optarg);
break;
default: default:
usage(); usage();
/* NOTREACHED */ /* NOTREACHED */
@ -234,6 +243,7 @@ main(int argc, char **argv)
if (nameserv_addr) { if (nameserv_addr) {
client_set_nameserver(nameserv_addr, DNS_PORT); client_set_nameserver(nameserv_addr, DNS_PORT);
} else { } else {
warnx("No nameserver found - not connected to any network?\n");
usage(); usage();
/* NOTREACHED */ /* NOTREACHED */
} }