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Close socket properly

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This commit is contained in:
Andrew Pamment 2016-08-12 16:15:10 +10:00
parent 08ccc8d0e9
commit f95c634034
2 changed files with 23 additions and 8 deletions
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29
main.c
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@ -31,12 +31,16 @@ extern struct user_record *gUser;
int ssh_pid = -1;
int bbs_pid = 0;
int server_socket = -1;
void sigterm_handler(int s)
{
if (ssh_pid != -1) {
kill(ssh_pid, SIGTERM);
}
if (server_socket != -1) {
close(server_socket);
}
remove(conf.pid_file);
exit(0);
}
@ -617,7 +621,8 @@ void serverssh(int port) {
void server(int port) {
struct sigaction sa;
struct sigaction st;
int socket_desc, client_sock, c;
struct sigaction sq;
int client_sock, c;
int pid;
struct sockaddr_in server, client;
@ -638,6 +643,14 @@ void server(int port) {
exit(1);
}
sq.sa_handler = sigterm_handler;
sigemptyset(&sq.sa_mask);
if (sigaction(SIGQUIT, &sq, NULL) == -1) {
remove(conf.pid_file);
perror("sigaction");
exit(1);
}
if (conf.ssh_server) {
// fork ssh server
ssh_pid = fork();
@ -651,8 +664,8 @@ void server(int port) {
}
}
socket_desc = socket(AF_INET, SOCK_STREAM, 0);
if (socket_desc == -1) {
server_socket = socket(AF_INET, SOCK_STREAM, 0);
if (server_socket == -1) {
remove(conf.pid_file);
fprintf(stderr, "Couldn't create socket..\n");
exit(1);
@ -663,16 +676,17 @@ void server(int port) {
server.sin_addr.s_addr = INADDR_ANY;
server.sin_port = htons(port);
if (bind(socket_desc, (struct sockaddr *)&server, sizeof(server)) < 0) {
if (bind(server_socket, (struct sockaddr *)&server, sizeof(server)) < 0) {
perror("Bind Failed, Error\n");
remove(conf.pid_file);
exit(1);
}
listen(socket_desc, 3);
listen(server_socket, 3);
c = sizeof(struct sockaddr_in);
while ((client_sock = accept(socket_desc, (struct sockaddr *)&client, (socklen_t *)&c))) {
while ((client_sock = accept(server_socket, (struct sockaddr *)&client, (socklen_t *)&c))) {
if (client_sock == -1) {
if (errno == EINTR) {
continue;
@ -688,7 +702,8 @@ void server(int port) {
}
if (pid == 0) {
close(socket_desc);
close(server_socket);
server_socket = -1;
runbbs(client_sock, strdup(inet_ntoa(client.sin_addr)));
exit(0);