mirror of
https://github.com/clearlinux/graphene.git
synced 2026-09-08 14:51:32 +00:00
Dmitrii Kuvaiskiiandjianyu-m
e854488d07
Removing this logic also fixes the bug in Linux PAL of binding on port 0 (previously it stayed as "0" instead of actual new port). Co-authored-by: jianyu-m <jianyu@hku.hk>
107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
#include <arpa/inet.h>
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#include <errno.h>
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#include <ifaddrs.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#define PORT 1088
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int main() {
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struct sockaddr_in bind_addr, connected_addr;
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int sockfd;
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socklen_t len = sizeof(struct sockaddr);
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bind_addr.sin_family = AF_INET;
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bind_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
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/* test 1: bind to static port PORT */
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sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd < 0) {
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printf("getsockname: error in socket %d\n", errno);
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return 1;
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}
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bind_addr.sin_port = htons(PORT);
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if (bind(sockfd, (struct sockaddr*)&bind_addr, sizeof(bind_addr)) < 0) {
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printf("getsockname: error in bind %d\n", errno);
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goto fail;
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}
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if (listen(sockfd, 3) < 0) {
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printf("getsockname: error in listen %d\n", errno);
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goto fail;
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}
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len = sizeof(connected_addr);
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if (getsockname(sockfd, (struct sockaddr*)&connected_addr, &len) < 0) {
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printf("getsockname: error in getsockname %d\n", errno);
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goto fail;
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}
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if (len != sizeof(connected_addr)) {
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printf("getsockname: unexpected length of sockaddr\n");
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goto fail;
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}
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if (ntohs(connected_addr.sin_port) != PORT) {
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printf("getsockname: port returned from getsockname is %d != %d\n", ntohs(connected_addr.sin_port), PORT);
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goto fail;
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}
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printf("getsockname: Local IP address is: %s:%d\n", inet_ntoa(connected_addr.sin_addr), ntohs(connected_addr.sin_port));
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printf("getsockname: Got socket name with static port OK\n");
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close(sockfd);
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/* test 2: bind to arbitrary port */
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sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd < 0) {
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printf("getsockname: error in socket %d\n", errno);
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return 1;
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}
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bind_addr.sin_port = 0;
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if (bind(sockfd, (struct sockaddr*)&bind_addr, sizeof(bind_addr)) < 0) {
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printf("getsockname: error in bind %d\n", errno);
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goto fail;
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}
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if (listen(sockfd, 3) < 0) {
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printf("getsockname: error in listen %d\n", errno);
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goto fail;
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}
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len = sizeof(connected_addr);
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if (getsockname(sockfd, (struct sockaddr*)&connected_addr, &len) < 0) {
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printf("getsockname: error in getsockname %d\n", errno);
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goto fail;
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}
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if (len != sizeof(connected_addr)) {
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printf("getsockname: unexpected length of sockaddr\n");
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goto fail;
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}
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if (connected_addr.sin_port == 0) {
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printf("getsockname: port returned from getsockname is %d == 0\n", ntohs(connected_addr.sin_port));
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goto fail;
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}
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close(sockfd);
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printf("getsockname: Local IP address is: %s:%d\n", inet_ntoa(connected_addr.sin_addr), ntohs(connected_addr.sin_port));
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printf("getsockname: Got socket name with arbitrary port OK\n");
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return 0;
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fail:
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close(sockfd);
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return 1;
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}
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