qa/src/crashpmcd.c

   1 /*
   2  * Crashes pmcd on IRIX. Linux seems to be OK. PV 935490.
   3  */
   4 #include <pcp/pmapi.h>
   5 #include <pcp/impl.h>
   6
   7 static __pmPDUHdr hdr;
   8 static char *target;
   9
  10 void
  11 try(int len)
  12 {
  13     int fd;
  14     int sts;
  15     static int first = 1;
  16     static struct sockaddr_in  myAddr;
  17     static struct hostent*     servInfo;
  18     char buf[256];
  19
  20     if (first) {
  21         first = 0;
  22         if ((servInfo = gethostbyname(target)) == NULL) {
  23             fprintf(stderr, "host \"%s\" unknown\n", target);
  24             exit(1);
  25         }
  26         memset(&myAddr, 0, sizeof(myAddr));
  27         myAddr.sin_family = AF_INET;
  28         memcpy(&myAddr.sin_addr, servInfo->h_addr, servInfo->h_length);
  29         myAddr.sin_port = htons(SERVER_PORT);
  30     }
  31
  32     if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
  33         fprintf(stderr, "socket failed: %s\n", pmErrStr(errno));
  34         return;
  35     }
  36
  37     if ((sts = connect(fd, (struct sockaddr*) &myAddr, sizeof(myAddr))) < 0) {
  38         fprintf(stderr, "connect failed: %s\n", pmErrStr(sts));
  39         close(fd);
  40         return;
  41     }
  42
  43     if ((sts = write(fd, &hdr, len)) != len) {
  44         fprintf(stderr, "write failed: %s\n", pmErrStr(sts));
  45         close(fd);
  46         return;
  47     }
  48     sts = read(fd, buf, sizeof(buf));
  49     if (sts < 0) {
  50         /* in this case don't really care about the return code from read() */
  51         ;
  52     }
  53     close(fd);
  54 }
  55
  56 int
  57 main(int argc, char *argv[])
  58 {
  59     int j;
  60     int k;
  61
  62     __pmSetProgname(argv[0]);
  63
  64     target = argc == 2 ? argv[1] : "localhost";
  65
  66     hdr.from = htonl(12345);
  67
  68     for (k = -1; k <= 12; k++) {
  69         hdr.len = htonl(k);
  70         hdr.type = htonl(0x55aa0000);
  71         for (j = 0; j <= 12; j++) {
  72             try(j);
  73         }
  74     }
  75
  76     for (k = 0; k <= 12; k++) {
  77         hdr.len = htonl(k<<24);
  78         hdr.type = htonl(0x000055aa);
  79         for (j = 0; j <= 12; j++) {
  80             try(j);
  81         }
  82     }
  83
  84     return 0;
  85 }