| /* Verify the various states when performing a passive open, |
| either from scratch, or when various phases are assumed to already |
| be done. */ |
| |
| /* { dg-require-effective-target sockets } */ |
| |
| #include <sys/socket.h> |
| #include <sys/un.h> |
| #include <unistd.h> |
| #include <errno.h> |
| #include "analyzer-decls.h" |
| |
| void test_passive_open_from_scratch (const char *sockname, void *buf) |
| { |
| struct sockaddr_un addr; |
| int afd; |
| errno = 0; |
| int fd = socket (AF_UNIX, SOCK_STREAM, 0); |
| if (fd == -1) |
| { |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-invalid'" } */ |
| __analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */ |
| return; |
| } |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-new-stream-socket'" } */ |
| __analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */ |
| memset (&addr, 0, sizeof (addr)); |
| addr.sun_family = AF_UNIX; |
| strncpy (addr.sun_path, sockname, sizeof(addr.sun_path) - 1); |
| errno = 0; |
| if (bind (fd, (struct sockaddr *)&addr, sizeof (addr)) == -1) |
| { |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-new-stream-socket'" } */ |
| __analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */ |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| return; |
| } |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-bound-stream-socket'" } */ |
| __analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (fd >= 0); /* { dg-warning "TRUE" } */ |
| if (listen (fd, 5) == -1) |
| { |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-bound-stream-socket'" } */ |
| __analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */ |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| return; |
| } |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (fd >= 0); /* { dg-warning "TRUE" } */ |
| afd = accept (fd, NULL, NULL); |
| if (afd == -1) |
| { |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */ |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| return; |
| } |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_dump_state ("file-descriptor", afd); /* { dg-warning "state: 'fd-connected-stream-socket'" } */ |
| __analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (fd >= 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (afd >= 0); /* { dg-warning "TRUE" } */ |
| |
| write (afd, "hello", 6); |
| read (afd, buf, 100); |
| |
| close (afd); |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", afd); /* { dg-warning "state: 'fd-closed'" } */ |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| } |
| |
| void test_passive_open_from_bind (int fd, const char *sockname, void *buf) |
| { |
| struct sockaddr_un addr; |
| int afd; |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'start'" } */ |
| memset (&addr, 0, sizeof (addr)); |
| addr.sun_family = AF_UNIX; |
| strncpy (addr.sun_path, sockname, sizeof(addr.sun_path) - 1); |
| errno = 0; |
| if (bind (fd, (struct sockaddr *)&addr, sizeof (addr)) == -1) |
| { |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-new-unknown-socket'" } */ |
| __analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */ |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| return; |
| } |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-bound-unknown-socket'" } */ |
| __analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (fd >= 0); /* { dg-warning "TRUE" } */ |
| if (listen (fd, 5) == -1) |
| { |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-bound-unknown-socket'" } */ |
| __analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */ |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| return; |
| } |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (fd >= 0); /* { dg-warning "TRUE" } */ |
| afd = accept (fd, NULL, NULL); |
| if (afd == -1) |
| { |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */ |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| return; |
| } |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_dump_state ("file-descriptor", afd); /* { dg-warning "state: 'fd-connected-stream-socket'" } */ |
| __analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (fd >= 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (afd >= 0); /* { dg-warning "TRUE" } */ |
| |
| write (afd, "hello", 6); |
| read (afd, buf, 100); |
| |
| close (afd); |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", afd); /* { dg-warning "state: 'fd-closed'" } */ |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| } |
| |
| void test_passive_open_from_listen (int fd, void *buf) |
| { |
| int afd; |
| errno = 0; |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'start'" } */ |
| if (listen (fd, 5) == -1) |
| { |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-bound-stream-socket'" } */ |
| __analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */ |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| return; |
| } |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (fd >= 0); /* { dg-warning "TRUE" } */ |
| afd = accept (fd, NULL, NULL); |
| if (afd == -1) |
| { |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */ |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| return; |
| } |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_dump_state ("file-descriptor", afd); /* { dg-warning "state: 'fd-connected-stream-socket'" } */ |
| __analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (fd >= 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (afd >= 0); /* { dg-warning "TRUE" } */ |
| |
| write (afd, "hello", 6); |
| read (afd, buf, 100); |
| |
| close (afd); |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", afd); /* { dg-warning "state: 'fd-closed'" } */ |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| } |
| |
| void test_passive_open_from_accept (int fd, void *buf) |
| { |
| int afd; |
| errno = 0; |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'start'" } */ |
| afd = accept (fd, NULL, NULL); |
| if (afd == -1) |
| { |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */ |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| return; |
| } |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-listening-stream-socket'" } */ |
| __analyzer_dump_state ("file-descriptor", afd); /* { dg-warning "state: 'fd-connected-stream-socket'" } */ |
| __analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (fd >= 0); /* { dg-warning "TRUE" } */ |
| __analyzer_eval (afd >= 0); /* { dg-warning "TRUE" } */ |
| |
| write (afd, "hello", 6); |
| read (afd, buf, 100); |
| |
| close (afd); |
| close (fd); |
| __analyzer_dump_state ("file-descriptor", afd); /* { dg-warning "state: 'fd-closed'" } */ |
| __analyzer_dump_state ("file-descriptor", fd); /* { dg-warning "state: 'fd-closed'" } */ |
| } |