Attachment 247054 Details for Bug 275774 – udptest

udptest

udptest.c (text/plain), 1.51 KB, created by Emmanuel Vadot on 2023-12-15 12:25:16 UTC

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Creator: Emmanuel Vadot

Created: 2023-12-15 12:25:16 UTC

Size: 1.51 KB

patch

obsolete

>#include <sys/types.h>
>#include <sys/socket.h>
>#include <netinet/in.h>
>#include <arpa/inet.h>
>#include <stdio.h>
>#include <string.h>
>
>int
>main(int argc, char *argv[]) {
>      struct sockaddr_in6 sa6 = { 0 };
>      struct sockaddr_in6 sa6recv;
>      int optval = 0;
>      int sock;
>      char buffer[20] = { 0 };
>      socklen_t len = sizeof(sa6recv);
>      const char msg1[] = "abcd";
>      const char msg2[] = "efgh";
>      char *dest_addr;
>      int n;
>
>      if (argc != 2)
>	      return (1);
>      sa6.sin6_family = AF_INET6;
>      sa6.sin6_port = htons(1234);
>      sock = socket(PF_INET6, SOCK_DGRAM, 0);
>
>      setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, &optval, sizeof(optval));
>
>      inet_pton(AF_INET6, "::ffff:127.0.0.1", &(sa6.sin6_addr));
>      sendto(sock, msg1, sizeof(msg1) - 1, 0, (struct sockaddr*)&sa6, sizeof(sa6));
>      n = recvfrom(sock, (char*)buffer, sizeof(buffer), MSG_WAITALL, (struct sockaddr*)&sa6recv, &len);
>      if (n <= 0 || strcmp(buffer, msg1) != 0)
>      {
>            printf("incorrect message 1\n");
>            return -1;
>      }
>
>      asprintf(&dest_addr, "::ffff:%s", argv[1]);
>      inet_pton(AF_INET6, dest_addr, &(sa6.sin6_addr));
>      sendto(sock, msg2, sizeof(msg2) - 1, 0, (struct sockaddr*)&sa6, sizeof(sa6));
>      n = recvfrom(sock, (char*)buffer, sizeof(buffer), MSG_WAITALL, (struct sockaddr*)&sa6recv, &len);
>      if (n <= 0 || strcmp(buffer, msg2) != 0)
>      {
>            printf("incorrect message 2\n");
>            return -1;
>      }
>      printf("succeeded\n");
>      return 0;
>}
>

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