Adding the possibility to listening multiple IP L2TP tunnels.
This commit is contained in:
fendo
parent
500bd3b1ae
commit
137bcc9981
13 changed files with 340 additions and 358 deletions
139
util.c
139
util.c
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@ -51,100 +51,109 @@ void *shared_malloc(unsigned int size)
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}
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extern int forked;
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extern int cluster_sockfd, tunfd, udpfd, controlfd, daefd, snoopfd, ifrfd, ifr6fd, rand_fd;
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extern int cluster_sockfd, tunfd, controlfd, daefd, snoopfd, ifrfd, ifr6fd, rand_fd;
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extern int pppoediscfd, pppoesessfd;
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extern int *radfds;
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extern int udpfd[MAX_UDPFD + 1];
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pid_t fork_and_close()
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{
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pid_t pid = fork();
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int i;
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pid_t pid = fork();
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int i;
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if (pid)
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return pid;
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if (pid)
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return pid;
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forked++;
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if (config->scheduler_fifo)
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{
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struct sched_param params = {0};
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params.sched_priority = 0;
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if (sched_setscheduler(0, SCHED_OTHER, ¶ms))
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forked++;
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if (config->scheduler_fifo)
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{
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LOG(0, 0, 0, "Error setting scheduler to OTHER after fork: %s\n", strerror(errno));
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LOG(0, 0, 0, "This is probably really really bad.\n");
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struct sched_param params = {0};
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params.sched_priority = 0;
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if (sched_setscheduler(0, SCHED_OTHER, ¶ms))
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{
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LOG(0, 0, 0, "Error setting scheduler to OTHER after fork: %s\n", strerror(errno));
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LOG(0, 0, 0, "This is probably really really bad.\n");
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}
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}
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}
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signal(SIGPIPE, SIG_DFL);
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signal(SIGCHLD, SIG_DFL);
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signal(SIGHUP, SIG_DFL);
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signal(SIGUSR1, SIG_DFL);
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signal(SIGQUIT, SIG_DFL);
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signal(SIGKILL, SIG_DFL);
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signal(SIGTERM, SIG_DFL);
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signal(SIGPIPE, SIG_DFL);
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signal(SIGCHLD, SIG_DFL);
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signal(SIGHUP, SIG_DFL);
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signal(SIGUSR1, SIG_DFL);
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signal(SIGQUIT, SIG_DFL);
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signal(SIGKILL, SIG_DFL);
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signal(SIGTERM, SIG_DFL);
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// Close sockets
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if (clifd != -1) close(clifd);
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if (cluster_sockfd != -1) close(cluster_sockfd);
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if (tunfd != -1) close(tunfd);
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if (udpfd != -1) close(udpfd);
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if (controlfd != -1) close(controlfd);
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if (daefd != -1) close(daefd);
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if (snoopfd != -1) close(snoopfd);
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if (rand_fd != -1) close(rand_fd);
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if (epollfd != -1) close(epollfd);
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// Close sockets
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if (clifd != -1) close(clifd);
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if (cluster_sockfd != -1) close(cluster_sockfd);
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if (tunfd != -1) close(tunfd);
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for (i = 0; radfds && i < RADIUS_FDS; i++)
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close(radfds[i]);
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for (i = 0; i < config->nbudpfd; i++)
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{
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if (udpfd[i] != -1) close(udpfd[i]);
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}
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if (pppoediscfd != -1) close(pppoediscfd);
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if (pppoediscfd != -1) close(pppoediscfd);
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if (controlfd != -1) close(controlfd);
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if (daefd != -1) close(daefd);
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if (snoopfd != -1) close(snoopfd);
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if (rand_fd != -1) close(rand_fd);
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if (epollfd != -1) close(epollfd);
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for (i = 0; radfds && i < RADIUS_FDS; i++)
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close(radfds[i]);
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#ifdef BGP
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for (i = 0; i < BGP_NUM_PEERS; i++)
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if (bgp_peers[i].sock != -1)
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close(bgp_peers[i].sock);
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for (i = 0; i < BGP_NUM_PEERS; i++)
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if (bgp_peers[i].sock != -1)
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close(bgp_peers[i].sock);
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#endif /* BGP */
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return pid;
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}
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ssize_t recvfromto(int s, void *buf, size_t len, int flags,
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struct sockaddr *from, socklen_t *fromlen, struct in_addr *toaddr)
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struct sockaddr *from, socklen_t *fromlen, struct in_addr *toaddr)
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{
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ssize_t r;
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struct msghdr msg;
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struct cmsghdr *cmsg;
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struct iovec vec;
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char cbuf[128];
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ssize_t r;
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struct msghdr msg;
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struct cmsghdr *cmsg;
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struct iovec vec;
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char cbuf[128];
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memset(&msg, 0, sizeof(msg));
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msg.msg_name = from;
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msg.msg_namelen = *fromlen;
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memset(&msg, 0, sizeof(msg));
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msg.msg_name = from;
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msg.msg_namelen = *fromlen;
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vec.iov_base = buf;
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vec.iov_len = len;
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msg.msg_iov = &vec;
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msg.msg_iovlen = 1;
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msg.msg_flags = 0;
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vec.iov_base = buf;
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vec.iov_len = len;
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msg.msg_iov = &vec;
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msg.msg_iovlen = 1;
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msg.msg_flags = 0;
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msg.msg_control = cbuf;
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msg.msg_controllen = sizeof(cbuf);
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msg.msg_control = cbuf;
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msg.msg_controllen = sizeof(cbuf);
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if ((r = recvmsg(s, &msg, flags)) < 0)
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return r;
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if ((r = recvmsg(s, &msg, flags)) < 0)
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return r;
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if (fromlen)
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*fromlen = msg.msg_namelen;
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if (fromlen)
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*fromlen = msg.msg_namelen;
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memset(toaddr, 0, sizeof(*toaddr));
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for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
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{
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if (cmsg->cmsg_level == SOL_IP && cmsg->cmsg_type == IP_PKTINFO)
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memset(toaddr, 0, sizeof(*toaddr));
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for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
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{
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struct in_pktinfo *i = (struct in_pktinfo *) CMSG_DATA(cmsg);
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memcpy(toaddr, &i->ipi_addr, sizeof(*toaddr));
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break;
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if (cmsg->cmsg_level == SOL_IP && cmsg->cmsg_type == IP_PKTINFO)
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{
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struct in_pktinfo *i = (struct in_pktinfo *) CMSG_DATA(cmsg);
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memcpy(toaddr, &i->ipi_addr, sizeof(*toaddr));
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break;
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}
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}
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}
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return r;
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return r;
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}
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ssize_t sendtofrom(int s, void const *buf, size_t len, int flags,
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