test/testclient.c


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#include <stdio.h>
#include <errno.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/stat.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include "utils.h"

#define ERROR_EXIT(f_, ...) { \
        fprintf(stderr, (f_), ##__VA_ARGS__); \
        return 1; \
    }

int main()
{
    struct sockaddr_un addr = {0};
    int sock;

    // Create and connect a unix domain socket
    sock = socket(AF_UNIX, SOCK_STREAM, 0);
    if (sock == -1)
        ERROR_EXIT("socket: %s\n", strerror(errno));

    addr.sun_family  = AF_UNIX;
    strcpy(&addr.sun_path[1], "/tmp/voidnsrun-test.sock");

    if (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) == -1)
        ERROR_EXIT("connect: %s\n", strerror(errno));

    int fd = recv_fd(sock);
    close(sock);

    assert(fd != 0);

    struct stat st;
    if (fstat(fd, &st) == -1)
        ERROR_EXIT("stat: %s\n", strerror(errno));

    printf("st_ino: %lu\n", st.st_ino);

    return 0;
}