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/* COVERAGE: sendto */
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <signal.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/syscall.h>
static int sfd; /* shared between start_server and do_child */
void do_child()
{
struct sockaddr_in fsin;
fd_set afds, rfds;
int nfds, cc, fd;
char buf[1024];
FD_ZERO(&afds);
FD_SET(sfd, &afds);
nfds = FD_SETSIZE;
/* accept connections until killed */
while (1) {
socklen_t fromlen;
memcpy(&rfds, &afds, sizeof(rfds));
if (select(nfds, &rfds, (fd_set *) 0, (fd_set *) 0,
(struct timeval *)0) < 0) {
if (errno != EINTR)
exit(1);
}
if (FD_ISSET(sfd, &rfds)) {
int newfd;
fromlen = sizeof(fsin);
newfd = accept(sfd, (struct sockaddr *)&fsin, &fromlen);
if (newfd >= 0)
FD_SET(newfd, &afds);
}
for (fd = 0; fd < nfds; ++fd) {
if (fd != sfd && FD_ISSET(fd, &rfds)) {
cc = read(fd, buf, sizeof(buf));
if (cc == 0 || (cc < 0 && errno != EINTR)) {
(void)close(fd);
FD_CLR(fd, &afds);
}
}
}
}
}
pid_t
start_server(struct sockaddr_in *sin0)
{
struct sockaddr_in sin1 = *sin0;
pid_t pid;
sfd = socket(PF_INET, SOCK_STREAM, 0);
if (sfd < 0)
return -1;
if (bind(sfd, (struct sockaddr *)&sin1, sizeof(sin1)) < 0)
return -1;
if (listen(sfd, 10) < 0)
return -1;
switch (pid = fork()) {
case 0: /* child */
alarm(30);
do_child();
break;
case -1: /* fall through */
default: /* parent */
(void)close(sfd);
return pid;
}
return -1;
}
int main()
{
int s, fd_null;
struct sockaddr_in sin1;
pid_t pid = 0;
char buf[1024];
fd_set rdfds;
struct timeval timeout;
/* initialize sockaddr's */
sin1.sin_family = AF_INET;
sin1.sin_port = htons((getpid() % 32768) + 11000);
sin1.sin_addr.s_addr = INADDR_ANY;
signal(SIGPIPE, SIG_IGN);
pid = start_server(&sin1);
fd_null = open("/dev/null", O_WRONLY);
memset(buf, 'a', sizeof(buf));
sendto(-1, buf, sizeof(buf), 0, NULL, 0);
//staptest// sendto (-1, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"..., 1024, 0x0, NULL, 0) = -NNNN (EBADF)
memset(buf, 'b', sizeof(buf));
sendto(fd_null, buf, sizeof(buf), MSG_DONTWAIT, NULL, 0);
//staptest// sendto (NNNN, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"..., 1024, MSG_DONTWAIT, NULL, 0) = -NNNN (ENOTSOCK)
s = socket(PF_INET, SOCK_DGRAM, 0);
//staptest// socket (PF_INET, SOCK_DGRAM, IPPROTO_IP) = NNNN
connect(s, (struct sockaddr *)&sin1, sizeof(sin1));
//staptest// connect (NNNN, {AF_INET, 0.0.0.0, NNNN}, 16) = 0
memset(buf, 'c', sizeof(buf));
sendto(s, (void *)buf, sizeof(buf), MSG_OOB, (struct sockaddr *)&sin1,
sizeof(sin1));
//staptest// sendto (NNNN, "ccccccccccccccccccccccccccccccccccccccccccccc"..., 1024, MSG_OOB, {AF_INET, 0.0.0.0, NNNN}, 16) = -NNNN (EOPNOTSUPP)
sendto(s, (void *)-1, sizeof(buf), 0, (struct sockaddr *)&sin1,
sizeof(sin1));
//staptest// sendto (NNNN, 0x[f]+, 1024, 0x0, {AF_INET, 0.0.0.0, NNNN}, 16) = -NNNN (EFAULT)
memset(buf, 'd', sizeof(buf));
sendto(s, (void *)buf, -1, 0, (struct sockaddr *)&sin1, sizeof(sin1));
#if __WORDSIZE == 64
//staptest// sendto (NNNN, "ddddddddddddddddddddddddddddddddddddddddddddd"..., 18446744073709551615, 0x0, {AF_INET, 0.0.0.0, NNNN}, 16) = -NNNN
#else
//staptest// sendto (NNNN, "ddddddddddddddddddddddddddddddddddddddddddddd"..., 4294967295, 0x0, {AF_INET, 0.0.0.0, NNNN}, 16) = -NNNN
#endif
close(s);
//staptest// close (NNNN) = 0
s = socket(PF_INET, SOCK_STREAM, 0);
//staptest// socket (PF_INET, SOCK_STREAM, IPPROTO_IP) = NNNN
connect(s, (struct sockaddr *)&sin1, sizeof(sin1));
//staptest// connect (NNNN, {AF_INET, 0.0.0.0, NNNN}, 16) = 0
memset(buf, 'e', sizeof(buf));
sendto(s, buf, sizeof(buf), 0, (struct sockaddr *)&sin1, sizeof(sin1));
//staptest// sendto (NNNN, "eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee"..., 1024, 0x0, {AF_INET, 0.0.0.0, NNNN}, 16) = 1024
memset(buf, 'f', sizeof(buf));
sendto(s, buf, sizeof(buf), 0, (struct sockaddr *)&sin1, -1);
//staptest// sendto (NNNN, "fffffffffffffffffffffffffffffffffffffffffffff"..., 1024, 0x0, {unknown .+}, 4294967295) = -NNNN (EINVAL)
memset(buf, 'g', sizeof(buf));
sendto(s, buf, sizeof(buf), 0, (struct sockaddr *)-1, sizeof(sin1));
//staptest// sendto (NNNN, "ggggggggggggggggggggggggggggggggggggggggggggg"..., 1024, 0x0, {\.\.\.}, 16) = -NNNN (EFAULT)
memset(buf, 'h', sizeof(buf));
// Ignore the return value on this sendto() call. Note that on a
// 32-bit kernel (i686 for instance), MAXSTRINGLEN is only
// 256. Passing a -1 as the flags value can produce a string that
// will cause argstr to get too big. So, we'll make the end of the
// arguments optional.
sendto(s, buf, sizeof(buf), -1, (struct sockaddr *)&sin1, sizeof(sin1));
//staptest// sendto (NNNN, "hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh"..., 1024, MSG_[^ ]+[[[[|XXXX, {AF_INET, 0.0.0.0, NNNN}, 16]]]]?) = NNNN
close(s);
//staptest// close (NNNN) = 0
close(fd_null);
//staptest// close (NNNN) = 0
if (pid > 0)
(void)kill(pid, SIGKILL); /* kill server */
//staptest// kill (NNNN, SIGKILL) = 0
return 0;
}
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