From 224e04a613f2d784e522751f5b255082089584c6 Mon Sep 17 00:00:00 2001
From: rofl0r <retnyg@gmx.net>
Date: Tue, 27 Mar 2018 06:11:54 +0100
Subject: [PATCH] add proxychk example

---
 examples/proxychk.c | 133 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 examples/proxychk.c

diff --git a/examples/proxychk.c b/examples/proxychk.c
new file mode 100644
index 0000000..b239770
--- /dev/null
+++ b/examples/proxychk.c
@@ -0,0 +1,133 @@
+/*
+ *
+ * author: rofl0r
+ *
+ * License: LGPL 2.1+ with static linking exception
+ *
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+#include "../rocksock.h"
+
+static int timeout;
+static char chk_host[512];
+static int chk_host_port;
+
+static int scanHost(char* baseproxy, char* scanproxy) {
+	rocksock skt;
+	rocksock* soc = &skt;
+	int ret;
+
+	rs_proxy proxies[2];
+
+	rocksock_init(soc, proxies);
+	rocksock_set_timeout(soc, timeout);
+	if(baseproxy)
+		if(rocksock_add_proxy_fromstring(soc, baseproxy))
+			return -1;
+	if(rocksock_add_proxy_fromstring(soc, scanproxy))
+		return -1;
+
+	if (!rocksock_connect(soc, chk_host, chk_host_port, 0)){
+		ret = 0; /* success */
+	} else {
+		//printf("%s\n", soc->lasterror.errormsg);
+		ret = -1;
+	}
+
+	rocksock_disconnect(soc);
+	rocksock_clear(soc);
+
+	return ret;
+}
+
+static int usage(const char *argv0) {
+	dprintf(2,
+		"proxy checker.\n"
+		"%s options\n"
+		"[-b type://[user:pass@]base_proxy_ip:port]\n"
+		"[-t type]\n"
+		"[-c check_ip:port]\n"
+		"[-T timeout_in_millisec]\n"
+		"\n"
+		"read [type://]ips:port from STDIN\n"
+		"if type is given, all ip:port tuples from STDIN won't need a prefix\n"
+		"if base proxy is given, it will be used as first proxy\n"
+		"timeout defaults to 1500.\n"
+		"checkip:port defaults to cnn.com:80\n"
+		"for every proxy that works, its address will be echoed to stdout\n"
+		"exit code is 0 when last proxy worked\n\n"
+		"example: echo 127.0.0.1:9050 | %s -t socks4 -T 2000\n"
+		"example: echo socks5://user:pass@127.0.0.1:1080 | %s\n"
+		"\nyou may want to use JOBFLOW or GNU parallel for speedy parallel checks\n"
+		, argv0, argv0, argv0);
+	return 1;
+}
+
+int main(int argc, char** argv) {
+	int c;
+	char *typestring = 0;
+	char *baseproxy = 0;
+	char *checkurl = "cnn.com:80";
+	timeout = 1500;
+
+	while ((c  = getopt(argc, argv, "c:T:b:t:")) != -1) {
+		switch(c) {
+			case 'c':
+				checkurl = optarg;
+				break;
+			case 'T':
+				timeout = atoi(optarg);
+				break;
+			case 't':
+				if(!strcmp(optarg, "socks4")) ;
+				else if(!strcmp(optarg, "socks5")) ;
+				else if(!strcmp(optarg, "http")) ;
+				else {
+					dprintf(2, "invalid proxy type\n");
+					return 1;
+				}
+				typestring = optarg;
+				break;
+			case 'b':
+				baseproxy = optarg;
+				break;
+			default:
+				return usage(argv[0]);
+		}
+	}
+
+	{
+		char *p = strchr(checkurl, ':');
+		if(!p) return usage(argv[0]);
+
+		size_t l = p-checkurl;
+		strncpy(chk_host, checkurl, l);
+		chk_host[l] = 0;
+		chk_host_port = atoi(++p);
+	}
+
+	char buf[1024];
+	int ret = 0;
+	while(fgets(buf, sizeof buf, stdin)) {
+		char nb[1024+10], *p;
+		if((p  = strrchr(buf, '\n')))
+			*p = 0;
+		if(*buf == 0 || *buf == '#') continue;
+		snprintf(nb, sizeof nb, "%s%s%s",
+			typestring ? typestring : "",
+			typestring ? "://" : "",
+			buf);
+		if(0 == (ret = scanHost(baseproxy, nb)))
+			printf("%s\n", nb);
+
+	}
+	return ret;
+}
-- 
2.11.4.GIT