mirror of https://github.com/hak5/openwrt.git
75 lines
2.3 KiB
Diff
75 lines
2.3 KiB
Diff
--- a/pptp.c
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+++ b/pptp.c
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@@ -60,6 +60,7 @@
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int syncppp = 0;
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int log_level = 1;
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int disable_buffer = 0;
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+pid_t callmgr_pid = 0;
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struct in_addr get_ip_address(char *name);
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int open_callmgr(struct in_addr inetaddr, char *phonenr, int argc,char **argv,char **envp, int pty_fd, int gre_fd);
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@@ -115,6 +116,8 @@ sigjmp_buf env;
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/*** signal handler ***********************************************************/
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void sighandler(int sig)
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{
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+ fprintf(stderr, "Got signal, pid=%d\n", callmgr_pid);
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+ fflush(stderr);
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siglongjmp(env, 1);
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}
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@@ -330,6 +333,14 @@ int main(int argc, char **argv, char **e
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parent_pid = 0; /* don't kill pppd */
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}
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+ if (sigsetjmp(env, 1)!= 0) goto shutdown;
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+
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+ signal(SIGINT, sighandler);
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+ signal(SIGTERM, sighandler);
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+ signal(SIGKILL, sighandler);
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+ signal(SIGCHLD, sighandler);
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+ signal(SIGUSR1, sigstats);
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+
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do {
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/*
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* Open connection to call manager (Launch call manager if necessary.)
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@@ -360,13 +371,6 @@ int main(int argc, char **argv, char **e
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if (rc != 0) perror("prctl");
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#endif
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inststr(argc, argv, envp, buf);
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- if (sigsetjmp(env, 1)!= 0) goto shutdown;
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-
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- signal(SIGINT, sighandler);
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- signal(SIGTERM, sighandler);
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- signal(SIGKILL, sighandler);
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- signal(SIGCHLD, sighandler);
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- signal(SIGUSR1, sigstats);
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/* Do GRE copy until close. */
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pptp_gre_copy(call_id, peer_call_id, pty_fd, gre_fd);
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@@ -375,6 +379,8 @@ shutdown:
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/* on close, kill all. */
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if(launchpppd)
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kill(parent_pid, SIGTERM);
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+ if (callmgr_pid)
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+ kill(callmgr_pid, SIGTERM);
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close(pty_fd);
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close(callmgr_sock);
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exit(0);
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@@ -407,7 +413,7 @@ int open_callmgr(struct in_addr inetaddr
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struct sockaddr_un where;
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const int NUM_TRIES = 3;
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int i, fd;
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- pid_t pid;
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+ pid_t pid = 0;
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int status;
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/* Open socket */
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if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
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@@ -434,6 +440,7 @@ int open_callmgr(struct in_addr inetaddr
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launch_callmgr(inetaddr, phonenr, argc, argv, envp);
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}
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default: /* parent */
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+ callmgr_pid = pid;
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waitpid(pid, &status, 0);
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if (status!= 0)
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fatal("Call manager exited with error %d", status);
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