dadada/netcalc
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Fix accept on closed socket.

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This commit is contained in:
tim.schubert@tu-bs.de 2016-10-30 02:04:43 +02:00
parent 8c316c12d6
commit c427beca1c
1 changed files with 6 additions and 3 deletions
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9
netcalc.c
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@ -21,6 +21,7 @@ void cleanup(int signum)
if (close(SOCKFD) != 0) { if (close(SOCKFD) != 0) {
perror("close"); perror("close");
} }
exit(1);
} }
int prepaddr(char *host, char *port, struct addrinfo **ainfo, int afamily, int flags) int prepaddr(char *host, char *port, struct addrinfo **ainfo, int afamily, int flags)
@ -176,9 +177,9 @@ void bstr(unsigned int n, char **out)
int server() int server()
{ {
struct sockaddr_storage c_addr;
socklen_t sin_size = sizeof c_addr;
while (1) { while (1) {
struct sockaddr_storage c_addr;
socklen_t sin_size = sizeof c_addr;
int c_fd = accept(SOCKFD, (struct sockaddr *)&c_addr, &sin_size); int c_fd = accept(SOCKFD, (struct sockaddr *)&c_addr, &sin_size);
if (c_fd == -1) { if (c_fd == -1) {
@ -329,7 +330,9 @@ int main(int argc, char *argv[])
} }
} }
cleanup(0);
freeaddrinfo(ainfo); // free the linked list freeaddrinfo(ainfo); // free the linked list
if (close(SOCKFD) != 0) {
perror("close");
}
return 0; return 0;
} }