mirror of
https://github.com/haad/proxychains.git
synced 2026-09-13 18:45:50 +05:00
3b1aac2084
Previously, the value of it was kept from the loop over all the command-line arguments; as `/usr/lib` or `/lib` were far enough in the list, on many systems there was no difference, but `own_dir` and `LIB_DIR` could be ignored or not based on the argument count, which was confusing.
141 lines
3.4 KiB
C
141 lines
3.4 KiB
C
/* (C) 2011, 2012 rofl0r
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
***************************************************************************/
|
|
|
|
#undef _POSIX_C_SOURCE
|
|
#define _POSIX_C_SOURCE 200809L
|
|
#undef _XOPEN_SOURCE
|
|
#define _XOPEN_SOURCE 700
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include <sys/wait.h>
|
|
|
|
#include "common.h"
|
|
|
|
static int usage(char **argv) {
|
|
printf("\nUsage:\t%s -q -f config_file program_name [arguments]\n"
|
|
"\t-q makes proxychains quiet - this overrides the config setting\n"
|
|
"\t-f allows to manually specify a configfile to use\n"
|
|
"\tfor example : proxychains telnet somehost.com\n" "More help in README file\n\n", argv[0]);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
static const char *dll_name = DLL_NAME;
|
|
|
|
static char own_dir[256];
|
|
static const char *dll_dirs[] = {
|
|
//".",
|
|
own_dir,
|
|
LIB_DIR,
|
|
"/lib",
|
|
"/usr/lib",
|
|
"/usr/local/lib",
|
|
"/lib64",
|
|
NULL
|
|
};
|
|
|
|
static void set_own_dir(const char *argv0) {
|
|
size_t l = strlen(argv0);
|
|
while(l && argv0[l - 1] != '/')
|
|
l--;
|
|
if(l == 0)
|
|
//memcpy(own_dir, ".", 2);
|
|
memcpy(own_dir, "/dev/null/", 2);
|
|
else {
|
|
memcpy(own_dir, argv0, l - 1);
|
|
own_dir[l] = 0;
|
|
}
|
|
}
|
|
|
|
#define MAX_COMMANDLINE_FLAGS 2
|
|
|
|
int main(int argc, char *argv[]) {
|
|
char *path = NULL;
|
|
char buf[PATH_MAX];
|
|
char pbuf[PATH_MAX];
|
|
int start_argv = 1;
|
|
int quiet = 0;
|
|
size_t i;
|
|
|
|
const char *prefix = NULL;
|
|
|
|
for(i = 0; i < MAX_COMMANDLINE_FLAGS; i++) {
|
|
if(start_argv < argc && argv[start_argv][0] == '-') {
|
|
if(argv[start_argv][1] == 'q') {
|
|
quiet = 1;
|
|
start_argv++;
|
|
} else if(argv[start_argv][1] == 'f') {
|
|
|
|
if(start_argv + 1 < argc)
|
|
path = argv[start_argv + 1];
|
|
else
|
|
return usage(argv);
|
|
|
|
start_argv += 2;
|
|
}
|
|
} else
|
|
break;
|
|
}
|
|
|
|
if(start_argv >= argc)
|
|
return usage(argv);
|
|
|
|
/* check if path of config file has not been passed via command line */
|
|
path = get_config_path(path, pbuf, sizeof(pbuf));
|
|
if(!quiet)
|
|
fprintf(stderr, LOG_PREFIX "config file found: %s\n", path);
|
|
|
|
/* Set PROXYCHAINS_CONF_FILE to get proxychains lib to use new config file. */
|
|
setenv(PROXYCHAINS_CONF_FILE_ENV_VAR, path, 1);
|
|
|
|
if(quiet)
|
|
setenv(PROXYCHAINS_QUIET_MODE_ENV_VAR, "1", 1);
|
|
|
|
// search DLL
|
|
set_own_dir(argv[0]);
|
|
|
|
i = 0;
|
|
while(dll_dirs[i]) {
|
|
snprintf(buf, sizeof(buf), "%s/%s", dll_dirs[i], dll_name);
|
|
if(access(buf, R_OK) != -1) {
|
|
prefix = dll_dirs[i];
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
if(!prefix) {
|
|
fprintf(stderr, "couldnt locate %s\n", dll_name);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if(!quiet)
|
|
fprintf(stderr, LOG_PREFIX "preloading %s/%s\n", prefix, dll_name);
|
|
|
|
#ifndef IS_MAC
|
|
snprintf(buf, sizeof(buf), "%s/%s", prefix, dll_name);
|
|
setenv("LD_PRELOAD", buf, 1);
|
|
#else
|
|
snprintf(buf, sizeof(buf), "%s/%s", prefix, dll_name);
|
|
setenv("DYLD_INSERT_LIBRARIES", buf, 1);
|
|
setenv("DYLD_FORCE_FLAT_NAMESPACE", "1", 1);
|
|
#endif
|
|
execvp(argv[start_argv], &argv[start_argv]);
|
|
perror("proxychains can't load process....");
|
|
|
|
return EXIT_FAILURE;
|
|
}
|