88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/***************************************************************************
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main.c - description
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begin : Tue May 14 2002
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copyright : netcreature (C) 2002
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email : netcreature@users.sourceforge.net
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***************************************************************************/
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/* GPL */
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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extern char *optarg;
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extern int optind, opterr, optopt;
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#define PROXYCHAINS_CONF_FILE "proxychains.conf"
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static void usage(char** argv) {
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printf("\nUsage: %s [h] [f] config_file program_name [arguments]\n"
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"\t for example : proxychains telnet somehost.com\n"
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"More help in README file\n", argv[0]);
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}
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int main(int argc, char *argv[]) {
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char *path = NULL;
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char buf[256];
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char pbuf[256];
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int opt;
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while ((opt = getopt(argc, argv, "fh:")) != -1) {
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switch (opt) {
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case 'h':
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usage(argv);
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break;
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case 'f':
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path = (char *)optarg;
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break;
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default: /* '?' */
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usage(argv);
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exit(EXIT_FAILURE);
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}
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}
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if(!path) {
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if(!(path = getenv("PROXYCHAINS_CONF_FILE")))
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path = getcwd(buf, sizeof(buf));
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else if(access(path, R_OK) != -1) goto have;
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if(!path ||
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!snprintf(pbuf, sizeof(pbuf), "%s/%s", path, PROXYCHAINS_CONF_FILE) ||
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access(pbuf, R_OK) == -1
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)
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path = "/etc/proxychains.conf";
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else
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path = pbuf;
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}
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if(access(path, R_OK) == -1) {
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perror("couldnt find configuration file");
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return 1;
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}
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have:
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printf("using config file: %s\n", path);
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//printf("argv = %s\n", argv[1]);
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/* Set PROXYCHAINS_CONF_FILE to get proxychains lib to use new config file. */
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setenv("PROXYCHAINS_CONF_FILE", path, 1);
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snprintf(buf, sizeof(buf), "LD_PRELOAD=%s/libproxychains.so", LIB_DIR);
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putenv(buf);
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execvp(argv[1], &argv[1]);
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perror("proxychains can't load process....");
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return EXIT_SUCCESS;
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}
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