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Improved signal handling, removed tmpnam()

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This commit is contained in:
Nate Choe
2022-04-05 11:59:14 -05:00
parent 00bbd9c1d4
commit 8914e57eec
5 changed files with 64 additions and 8 deletions
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26
src/main.c
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@@ -113,7 +113,7 @@ static void setsignal(int signal, void (*handler)(int)) {
action.sa_handler = handler;
action.sa_mask = sigset;
action.sa_flags = SA_NODEFER;
sigaction(SIGCHLD, &action, NULL);
sigaction(signal, &action, NULL);
}
int main(int argc, char **argv) {
@@ -136,10 +136,11 @@ int main(int argc, char **argv) {
mainfd = socket(AF_UNIX, SOCK_STREAM, 0);
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, tmpnam(NULL), sizeof(addr.sun_path) - 1);
/* I know that tmpname is deprecated, I think this usage is safe
* though. */
strncpy(addr.sun_path, SERVER_PATH, sizeof(addr.sun_path) - 1);
addr.sun_path[sizeof(addr.sun_path) - 1] = '\0';
createTmpName(addr.sun_path);
bind(mainfd, (struct sockaddr *) &addr, sizeof(addr));
listen(mainfd, processes);
@@ -148,8 +149,23 @@ int main(int argc, char **argv) {
createProcess(i);
setsignal(SIGPIPE, SIG_IGN);
setsignal(SIGKILL, exitClean);
setsignal(SIGHUP, exitClean);
setsignal(SIGINT, exitClean);
setsignal(SIGQUIT, exitClean);
setsignal(SIGILL, exitClean);
setsignal(SIGTRAP, exitClean);
setsignal(SIGABRT, exitClean);
setsignal(SIGBUS, exitClean);
setsignal(SIGFPE, exitClean);
setsignal(SIGKILL, exitClean);
setsignal(SIGSEGV, exitClean);
setsignal(SIGTERM, exitClean);
setsignal(SIGTTIN, exitClean);
setsignal(SIGTTOU, exitClean);
setsignal(SIGURG, exitClean);
setsignal(SIGXCPU, exitClean);
setsignal(SIGXFSZ, exitClean);
setsignal(SIGPIPE, exitClean);
setsignal(SIGCHLD, remakeChild);
createLog("swebs started");