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use config file lookup routine from a common place

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rofl0r
2012-07-08 23:32:50 +02:00
parent 1a02b9f82f
commit fba5f5694c
5 changed files with 64 additions and 54 deletions
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46
src/common.c Normal file
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#include "common.h"
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
static int check_path(char *path) {
if(!path)
return 0;
return access(path, R_OK) != -1;
}
char *get_config_path(char* pbuf, size_t bufsize) {
char buf[512];
// priority 1: env var PROXYCHAINS_CONF_FILE
char *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, bufsize, "%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, bufsize, "%s/.proxychains/%s", path, PROXYCHAINS_CONF_FILE);
path = pbuf;
if(check_path(path))
goto have;
// priority 4: $SYSCONFDIR/proxychains.conf
path = SYSCONFDIR "/" PROXYCHAINS_CONF_FILE;
if(check_path(path))
goto have;
// priority 5: /etc/proxychains.conf
path = "/etc/" PROXYCHAINS_CONF_FILE;
if(check_path(path))
goto have;
return NULL;
have:
return path;
}