133 lines
2.7 KiB
C
133 lines
2.7 KiB
C
#include "common.h"
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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const char *proxy_type_strmap[] = {
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"http",
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"socks4",
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"socks5",
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};
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const char *chain_type_strmap[] = {
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"dynamic_chain",
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"strict_chain",
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"random_chain",
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"round_robin_chain",
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};
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const char *proxy_state_strmap[] = {
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"play",
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"down",
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"blocked",
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"busy",
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};
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/* isnumericipv4() taken from libulz */
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int pc_isnumericipv4(const char* ipstring) {
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size_t x = 0, n = 0, d = 0;
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int wasdot = 0;
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while(1) {
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switch(ipstring[x]) {
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case 0: goto done;
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case '.':
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if(!n || wasdot) return 0;
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d++;
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wasdot = 1;
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break;
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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n++;
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wasdot = 0;
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break;
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default:
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return 0;
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}
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x++;
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}
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done:
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if(d == 3 && n >= 4 && n <= 12) return 1;
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return 0;
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}
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// stolen from libulz (C) rofl0r
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void pc_stringfromipv4(unsigned char *ip_buf_4_bytes, char *outbuf_16_bytes) {
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unsigned char *p;
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char *o = outbuf_16_bytes;
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unsigned char n;
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for(p = ip_buf_4_bytes; p < ip_buf_4_bytes + 4; p++) {
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n = *p;
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if(*p >= 100) {
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if(*p >= 200)
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*(o++) = '2';
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else
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*(o++) = '1';
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n %= 100;
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}
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if(*p >= 10) {
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*(o++) = (n / 10) + '0';
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n %= 10;
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}
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*(o++) = n + '0';
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*(o++) = '.';
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}
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o[-1] = 0;
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}
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static int check_path(char *path) {
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if(!path)
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return 0;
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return access(path, R_OK) != -1;
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}
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char *get_config_path(char* default_path, char* pbuf, size_t bufsize) {
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char buf[512];
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// top priority: user defined path
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char *path = default_path;
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if(check_path(path))
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goto have;
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// priority 1: env var PROXYCHAINS_CONF_FILE
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path = getenv(PROXYCHAINS_CONF_FILE_ENV_VAR);
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if(check_path(path))
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goto have;
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// priority 2; proxychains conf in actual dir
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path = getcwd(buf, sizeof(buf));
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snprintf(pbuf, bufsize, "%s/%s", path, PROXYCHAINS_CONF_FILE);
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path = pbuf;
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if(check_path(path))
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goto have;
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// priority 3; $HOME/.proxychains/proxychains.conf
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path = getenv("HOME");
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snprintf(pbuf, bufsize, "%s/.proxychains/%s", path, PROXYCHAINS_CONF_FILE);
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path = pbuf;
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if(check_path(path))
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goto have;
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// priority 3b: ~/config/settings/proxychains.conf (for haiku)
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path = getenv("HOME");
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snprintf(pbuf, bufsize, "%s/config/settings/%s", path, PROXYCHAINS_CONF_FILE);
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path = pbuf;
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if(check_path(path))
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goto have;
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// priority 4: $SYSCONFDIR/proxychains.conf
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path = SYSCONFDIR "/" PROXYCHAINS_CONF_FILE;
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if(check_path(path))
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goto have;
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// priority 5: /etc/proxychains.conf
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path = "/etc/" PROXYCHAINS_CONF_FILE;
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if(check_path(path))
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goto have;
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perror("couldnt find configuration file");
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exit(1);
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return NULL;
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have:
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return path;
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}
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