circlecloud/proxychains-ng
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care about HOME also in proxychains loader. put common symbols in common.h

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This commit is contained in:
rofl0r 2011-09-10 22:32:27 +02:00
parent 4d517cdfb0
commit b8bdfc2d5e
4 changed files with 36 additions and 25 deletions
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2
src/common.h Normal file
View File

@ -0,0 +1,2 @@
#define PROXYCHAINS_CONF_FILE_ENV_VAR "PROXYCHAINS_CONF_FILE"
#define PROXYCHAINS_CONF_FILE "proxychains.conf"

1
src/core.h
View File

@ -18,6 +18,7 @@
#define __CORE_HEADER
#define BUFF_SIZE 8*1024 // used to read responses from proxies.
#define MAX_LOCALNET 1024
/*error codes*/
typedef enum
{

11
src/libproxychains.c
View File

@ -34,6 +34,7 @@
#include "core.h"
#include "common.h"
#define satosin(x) ((struct sockaddr_in *) &(x))
#define SOCKADDR(x) (satosin(x)->sin_addr.s_addr)
@ -61,7 +62,7 @@ static void init_lib(void);
static void init_lib(void)
{
proxychains_write_log("ProxyChains-3.2 (http://github.com/rofl0r/proxychains)\n");
proxychains_write_log("[proxychains v3.2] DLL init\n");
get_chain_data(proxychains_pd, &proxychains_proxy_count, &proxychains_ct);
true_connect = (connect_t) dlsym(RTLD_NEXT, "connect");
@ -156,12 +157,6 @@ static void init_lib(void)
init_l = 1;
}
/*
* XXX. Same thing is defined in proxychains main.c it
* needs to be changed, too.
*/
#define PROXYCHAINS_CONF_FILE "PROXYCHAINS_CONF_FILE"
static inline void get_chain_data(
proxy_data *pd,
unsigned int *proxy_count,
@ -188,7 +183,7 @@ static inline void get_chain_data(
* Get path to configuration file from env this file has priority
* if it's defined.
*/
env = getenv(PROXYCHAINS_CONF_FILE);
env = getenv(PROXYCHAINS_CONF_FILE_ENV_VAR);
snprintf(buff,256,"%s/.proxychains/proxychains.conf",getenv("HOME"));

47
src/main.c
View File

@ -26,7 +26,7 @@
extern char *optarg;
extern int optind, opterr, optopt;
#define PROXYCHAINS_CONF_FILE "proxychains.conf"
#include "common.h"
static void usage(char** argv) {
printf("\nUsage: %s [h] [f] config_file program_name [arguments]\n"
@ -34,6 +34,11 @@ static void usage(char** argv) {
"More help in README file\n", argv[0]);
}
int check_path(char* path) {
if(!path) return 0;
return access(path, R_OK) != -1;
}
int main(int argc, char *argv[]) {
char *path = NULL;
char buf[256];
@ -54,34 +59,42 @@ int main(int argc, char *argv[]) {
}
}
/* check if path of config file has not been passed via command line */
if(!path) {
if(!(path = getenv("PROXYCHAINS_CONF_FILE")))
path = getcwd(buf, sizeof(buf));
else if(access(path, R_OK) != -1) goto have;
if(!path ||
!snprintf(pbuf, sizeof(pbuf), "%s/%s", path, PROXYCHAINS_CONF_FILE) ||
access(pbuf, R_OK) == -1
)
path = "/etc/proxychains.conf";
else
path = pbuf;
}
if(access(path, R_OK) == -1) {
// priority 1: env var PROXYCHAINS_CONF_FILE
path = getenv(PROXYCHAINS_CONF_FILE_ENV_VAR);
if(check_path(path)) goto have;
// priority 2; proxychains conf in actual dir
path = getcwd(buf, sizeof(buf));
snprintf(pbuf, sizeof(pbuf), "%s/%s", path, PROXYCHAINS_CONF_FILE);
path = pbuf;
if(check_path(path)) goto have;
// priority 3; $HOME/.proxychains/proxychains.conf
path = getenv("HOME");
snprintf(pbuf, sizeof(pbuf), "%s/.proxychains/%s", path, PROXYCHAINS_CONF_FILE);
path = pbuf;
if(check_path(path)) goto have;
// priority 4: /etc/proxychains.conf
path = "/etc/proxychains.conf";
if(check_path(path)) goto have;
perror("couldnt find configuration file");
return 1;
}
have:
printf("using config file: %s\n", path);
//printf("argv = %s\n", argv[1]);
printf("[proxychains config] %s\n", path);
/* Set PROXYCHAINS_CONF_FILE to get proxychains lib to use new config file. */
setenv("PROXYCHAINS_CONF_FILE", path, 1);
setenv(PROXYCHAINS_CONF_FILE_ENV_VAR, path, 1);
snprintf(buf, sizeof(buf), "LD_PRELOAD=%s/libproxychains.so", LIB_DIR);
putenv(buf);
execvp(argv[1], &argv[1]);
perror("proxychains can't load process....");
return EXIT_SUCCESS;
return EXIT_FAILURE;
}