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authormiau <miaukatzemiau@priveasy.de>2011-07-11 11:24:52 (GMT)
committermiau <miaukatzemiau@priveasy.de>2011-07-11 11:24:52 (GMT)
commit635965049bfd8172adae73557c17cd19f6ea5964 (patch)
tree699a14c4c1b1897254d6f92d97f663b1d41f8cc9 /listener.c
parentefaa21a4adc37dfa67b70926cc1b9b1d7ecc9768 (diff)
corrected OpenWRT makefile
builds now when placed in backfire/package untested if used with feeds
Diffstat (limited to 'listener.c')
-rw-r--r--listener.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/listener.c b/listener.c
deleted file mode 100644
index c0d81ef..0000000
--- a/listener.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
-** listener.c -- a datagram sockets "server" demo
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-
-#include "common.h"
-
-// get sockaddr, IPv4 or IPv6:
-void *get_in_addr(struct sockaddr *sa)
-{
- if (sa->sa_family == AF_INET) {
- return &(((struct sockaddr_in*)sa)->sin_addr);
- }
-
- return &(((struct sockaddr_in6*)sa)->sin6_addr);
-}
-
-int main(int argc, char *argv[], char *envp[])
-{
- int sockfd;
- struct addrinfo hints, *servinfo, *p;
- int rv;
- int numbytes;
- struct sockaddr_storage their_addr;
- char buf[MAXBUFLEN];
- socklen_t addr_len;
- char s[INET6_ADDRSTRLEN];
-
- memset(&hints, 0, sizeof hints);
- hints.ai_family = AF_UNSPEC; // set to AF_INET to force IPv4
- hints.ai_socktype = SOCK_DGRAM;
- hints.ai_flags = AI_PASSIVE; // use my IP
-
- if ((rv = getaddrinfo(NULL, SERVERPORT_S, &hints, &servinfo)) != 0) {
- fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(rv));
- return 1;
- }
-
- // loop through all the results and bind to the first we can
- for(p = servinfo; p != NULL; p = p->ai_next) {
- if ((sockfd = socket(p->ai_family, p->ai_socktype,
- p->ai_protocol)) == -1) {
- perror("listener: socket");
- continue;
- }
-
- if (bind(sockfd, p->ai_addr, p->ai_addrlen) == -1) {
- close(sockfd);
- perror("listener: bind");
- continue;
- }
-
- break;
- }
-
- if (p == NULL) {
- fprintf(stderr, "listener: failed to bind socket\n");
- return 2;
- }
-
- freeaddrinfo(servinfo);
-
- // daemonize
-#ifndef DEBUG
- switch (fork()) {
- case 0:
- setsid();
- umask(0);
- break;
- case -1:
- perror("fork (serious!)");
- exit(-1);
- default:
- exit(0);
- }
-#endif
-
- // receive loop
- addr_len = sizeof their_addr;
- while ((numbytes = recvfrom(sockfd, buf, MAXBUFLEN-1 , 0,
- (struct sockaddr *)&their_addr, &addr_len)) != -1) {
- // decode packet & launch handler
- buf[numbytes] = '\0';
- char *task = buf,
- *cl_argv[3] = {task, (strlen(task)<numbytes) ? (buf+strlen(task)+1) : NULL, NULL };
-
- if (task[0] == '/' || strstr(task, "..")) {
- fprintf(stderr, "payload tried directory traversal\n");
- continue;
- }
-
- switch (fork()) {
- case 0:
- close(sockfd); // close socket handler, leave std io
- execve(task, cl_argv, envp);
- perror("exec");
- exit(-1);
- case -1:
- perror("fork (serious!)");
- exit(-1);
- default:
- wait();
- }
- }
-
- perror("recvfrom");
-
- return -1;
-}
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