Attachment 213673 Details for Bug 245817 – Minimal test program

Minimal test program

sendto-enotconn.c (text/plain), 1.05 KB, created by Erik Inge Bolsø on 2020-04-22 10:01:25 UTC

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Creator: Erik Inge Bolsø

Created: 2020-04-22 10:01:25 UTC

Size: 1.05 KB

patch

obsolete

>/* Create a socket with nc -U -l /tmp/test.sock */
>/* Stop nc with ^C, should leave a socket file for us */
>
>/* compile with cc -o enotconn sendto-enotconn.c */
>/* run as ./enotconn */
>
>#include <string.h>
>#include <stdio.h>
>#include <sys/types.h>
>#include <sys/socket.h>
>#include <sys/un.h>
>#include <netdb.h>
>#include <errno.h>
>#include <unistd.h>
>#include <stdlib.h>	/* malloc */
>
>int main(int argc, char *argv[])
>{
>	int sock;
>	int ret;
>	char filename[] = "/tmp/test.sock";
>	char buf[] = "Urgle";
>
>	/* Create a sockaddr_un and socket fd */
>	struct sockaddr_un *su = calloc(1, sizeof(struct sockaddr_un));
>
>	su->sun_family = AF_UNIX;
>	strncpy(su->sun_path, filename, strlen(filename));
>
>	int la_sa_len = SUN_LEN(su) + 1; // ref https://redmine.lighttpd.net/issues/2962
>
>	sock = socket(AF_UNIX, SOCK_STREAM, 0);
>	if (sock < 0) {
>		fprintf(stderr, "socket: %s", strerror(errno));
>		abort();
>	}
>
>	ret = sendto(sock, buf, strlen(buf), 0, (struct sockaddr *)su, la_sa_len);
>	if (ret < 0) {
>		if (errno == ENOTCONN) {
>			fprintf(stderr, "sendto returned ENOTCONN\n");
>		}
>	}
>}
>

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Attachments on bug 245817: 213673