static void test_flock64_ofd(void) { #if defined F_OFD_GETLK && defined F_OFD_SETLK && defined F_OFD_SETLKW TEST_FLOCK64_EINVAL(F_OFD_SETLK); TEST_FLOCK64_EINVAL(F_OFD_SETLKW); TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock64, fl); memset(fl, 0, sizeof(*fl)); fl->l_type = F_RDLCK; fl->l_len = FILE_LEN; long rc = invoke_test_syscall(0, F_OFD_SETLK, fl); printf("%s(0, F_OFD_SETLK, {l_type=F_RDLCK, l_whence=SEEK_SET" ", l_start=0, l_len=%d}) = %s\n", TEST_SYSCALL_STR, FILE_LEN, errstr); if (rc) return; invoke_test_syscall(0, F_OFD_GETLK, fl); printf("%s(0, F_OFD_GETLK, {l_type=F_UNLCK, l_whence=SEEK_SET" ", l_start=0, l_len=%d, l_pid=0}) = 0\n", TEST_SYSCALL_STR, FILE_LEN); invoke_test_syscall(0, F_OFD_SETLKW, fl); printf("%s(0, F_OFD_SETLKW, {l_type=F_UNLCK, l_whence=SEEK_SET" ", l_start=0, l_len=%d}) = 0\n", TEST_SYSCALL_STR, FILE_LEN); #endif /* F_OFD_GETLK && F_OFD_SETLK && F_OFD_SETLKW */ }
/* * This function is not declared static to avoid potential * "defined but not used" warning when included by fcntl.c */ void test_flock64_einval(const int cmd, const char *name) { TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_flock64, fl); memset(fl, 0, sizeof(*fl)); fl->l_type = F_RDLCK; fl->l_start = (TYPEOF_FLOCK_OFF_T) 0xdefaced1facefeedULL; fl->l_len = (TYPEOF_FLOCK_OFF_T) 0xdefaced2cafef00dULL; invoke_test_syscall(0, cmd, fl); printf("%s(0, %s, {l_type=F_RDLCK, l_whence=SEEK_SET" ", l_start=%jd, l_len=%jd}) = %s\n", TEST_SYSCALL_STR, name, (intmax_t) fl->l_start, (intmax_t) fl->l_len, errstr); void *const bad_addr = (void *) fl + 1; invoke_test_syscall(0, cmd, bad_addr); printf("%s(0, %s, %p) = %s\n", TEST_SYSCALL_STR, name, bad_addr, errstr); }
static long test_f_owner_ex_type_pid(const int cmd, const char *const cmd_name, const int type, const char *const type_name, pid_t pid) { TAIL_ALLOC_OBJECT_CONST_PTR(struct_kernel_f_owner_ex, fo); fo->type = type; fo->pid = pid; long rc = invoke_test_syscall(0, cmd, fo); printf("%s(0, %s, {type=%s, pid=%d}) = %s\n", TEST_SYSCALL_STR, cmd_name, type_name, fo->pid, errstr); void *bad_addr = (void *) fo + 1; invoke_test_syscall(0, cmd, bad_addr); printf("%s(0, %s, %p) = %s\n", TEST_SYSCALL_STR, cmd_name, bad_addr, errstr); return rc; }
int main(void) { static const kernel_ulong_t unknown_perf_cmd = (kernel_ulong_t) 0xbadc0dedfeed24edULL; static const kernel_ulong_t magic = (kernel_ulong_t) 0xdeadbeefbadc0dedULL; static const uint64_t magic64 = 0xfacefeeddeadc0deULL; static const char str[] = STR16 STR16 STR16 STR16; static struct { unsigned int cmd; const char *str; } flag_iocs[] = { { ARG_STR(PERF_EVENT_IOC_ENABLE) }, { ARG_STR(PERF_EVENT_IOC_DISABLE) }, { ARG_STR(PERF_EVENT_IOC_RESET) }, }; TAIL_ALLOC_OBJECT_CONST_PTR(uint64_t, u64_ptr); uint64_t *const u64_efault = u64_ptr + 1; uint32_t *const u32_arr = tail_alloc(sizeof(uint32_t) * 4); uint32_t *const u32_efault = u32_arr + 4; char *const str_ptr = tail_memdup(str, sizeof(str)); char *const str_efault = str_ptr + sizeof(str); TAIL_ALLOC_OBJECT_CONST_PTR(struct perf_event_attr, pea_ptr); *u64_ptr = magic64; fill_memory_ex(pea_ptr, sizeof(*pea_ptr), 0xaa, 0x55); /* Unknown perf commands */ sys_ioctl(-1, unknown_perf_cmd, magic); printf("ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE%s, 0x24, %#x, %#x), " "%#lx) = -1 EBADF (%m)\n", _IOC_DIR((unsigned int) unknown_perf_cmd) & _IOC_NONE ? "|_IOC_NONE" : "", _IOC_NR((unsigned int) unknown_perf_cmd), _IOC_SIZE((unsigned int) unknown_perf_cmd), (unsigned long) magic); sys_ioctl(-1, PERF_EVENT_IOC_MODIFY_ATTRIBUTES + 1, magic); printf("ioctl(-1, _IOC(_IOC_WRITE, 0x24, %#x, %#x), %#lx)" " = -1 EBADF (%m)\n", (unsigned int) _IOC_NR(PERF_EVENT_IOC_MODIFY_ATTRIBUTES + 1), (unsigned int) _IOC_SIZE(PERF_EVENT_IOC_MODIFY_ATTRIBUTES + 1), (unsigned long) magic); /* PERF_EVENT_IOC_{ENABLE,DISABLE,RESET} */ for (unsigned i = 0; i < ARRAY_SIZE(flag_iocs); i++) { ioctl(-1, flag_iocs[i].cmd, 0); printf("ioctl(-1, %s, 0) = -1 EBADF (%m)\n", flag_iocs[i].str); ioctl(-1, flag_iocs[i].cmd, 1); printf("ioctl(-1, %s, PERF_IOC_FLAG_GROUP) = -1 EBADF (%m)\n", flag_iocs[i].str); ioctl(-1, flag_iocs[i].cmd, 2); printf("ioctl(-1, %s, 0x2 /* PERF_IOC_FLAG_??? */) " "= -1 EBADF (%m)\n", flag_iocs[i].str); sys_ioctl(-1, flag_iocs[i].cmd, magic); printf("ioctl(-1, %s, PERF_IOC_FLAG_GROUP|%#x) " "= -1 EBADF (%m)\n", flag_iocs[i].str, (unsigned int) magic & ~1U); } /* PERF_EVENT_IOC_REFRESH */ sys_ioctl(-1, PERF_EVENT_IOC_REFRESH, magic); printf("ioctl(-1, PERF_EVENT_IOC_REFRESH, %d) = -1 EBADF (%m)\n", (int) magic); /* PERF_EVENT_IOC_PERIOD */ ioctl(-1, PERF_EVENT_IOC_PERIOD, NULL); printf("ioctl(-1, PERF_EVENT_IOC_PERIOD, NULL) = -1 EBADF (%m)\n"); ioctl(-1, PERF_EVENT_IOC_PERIOD, u64_efault); printf("ioctl(-1, PERF_EVENT_IOC_PERIOD, %p) = -1 EBADF (%m)\n", u64_efault); ioctl(-1, PERF_EVENT_IOC_PERIOD, u64_ptr); printf("ioctl(-1, PERF_EVENT_IOC_PERIOD, [%" PRIu64 "])" " = -1 EBADF (%m)\n", magic64); /* PERF_EVENT_IOC_SET_OUTPUT */ sys_ioctl(-1, PERF_EVENT_IOC_SET_OUTPUT, magic); printf("ioctl(-1, PERF_EVENT_IOC_SET_OUTPUT, %d) = -1 EBADF (%m)\n", (int) magic); /* PERF_EVENT_IOC_SET_FILTER */ ioctl(-1, PERF_EVENT_IOC_SET_FILTER, NULL); printf("ioctl(-1, PERF_EVENT_IOC_SET_FILTER, NULL) = -1 EBADF (%m)\n"); ioctl(-1, PERF_EVENT_IOC_SET_FILTER, str_efault); printf("ioctl(-1, PERF_EVENT_IOC_SET_FILTER, %p) = -1 EBADF (%m)\n", str_efault); ioctl(-1, PERF_EVENT_IOC_SET_FILTER, str_ptr); printf("ioctl(-1, PERF_EVENT_IOC_SET_FILTER, \"%.32s\"...)" " = -1 EBADF (%m)\n", str_ptr); ioctl(-1, PERF_EVENT_IOC_SET_FILTER, str_ptr + 40); printf("ioctl(-1, PERF_EVENT_IOC_SET_FILTER, \"%.32s\")" " = -1 EBADF (%m)\n", str_ptr + 40); str_ptr[sizeof(str) - 1] = '0'; ioctl(-1, PERF_EVENT_IOC_SET_FILTER, str_ptr + 40); printf("ioctl(-1, PERF_EVENT_IOC_SET_FILTER, %p)" " = -1 EBADF (%m)\n", str_ptr + 40); /* PERF_EVENT_IOC_ID */ ioctl(-1, PERF_EVENT_IOC_ID, NULL); printf("ioctl(-1, PERF_EVENT_IOC_ID, NULL) = -1 EBADF (%m)\n"); ioctl(-1, PERF_EVENT_IOC_ID, u64_efault); printf("ioctl(-1, PERF_EVENT_IOC_ID, %p) = -1 EBADF (%m)\n", u64_efault); ioctl(-1, PERF_EVENT_IOC_ID, u64_ptr); printf("ioctl(-1, PERF_EVENT_IOC_ID, %p) = -1 EBADF (%m)\n", u64_ptr); /* PERF_EVENT_IOC_SET_BPF */ sys_ioctl(-1, PERF_EVENT_IOC_SET_BPF, magic); printf("ioctl(-1, PERF_EVENT_IOC_SET_BPF, %d) = -1 EBADF (%m)\n", (int) magic); /* PERF_EVENT_IOC_PAUSE_OUTPUT */ sys_ioctl(-1, PERF_EVENT_IOC_PAUSE_OUTPUT, magic); printf("ioctl(-1, PERF_EVENT_IOC_PAUSE_OUTPUT, %lu) = -1 EBADF (%m)\n", (unsigned long) magic); /* PERF_EVENT_IOC_QUERY_BPF */ ioctl(-1, PERF_EVENT_IOC_QUERY_BPF, NULL); printf("ioctl(-1, PERF_EVENT_IOC_QUERY_BPF, NULL) = -1 EBADF (%m)\n"); ioctl(-1, PERF_EVENT_IOC_QUERY_BPF, u32_efault); printf("ioctl(-1, PERF_EVENT_IOC_QUERY_BPF, %p) = -1 EBADF (%m)\n", u32_efault); u32_arr[0] = 0xbadc0ded; ioctl(-1, PERF_EVENT_IOC_QUERY_BPF, u32_arr); printf("ioctl(-1, PERF_EVENT_IOC_QUERY_BPF, {ids_len=3134983661, ...})" " = -1 EBADF (%m)\n"); /* PERF_EVENT_IOC_MODIFY_ATTRIBUTES */ ioctl(-1, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, NULL); printf("ioctl(-1, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, NULL)" " = -1 EBADF (%m)\n"); ioctl(-1, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, pea_ptr + 1); printf("ioctl(-1, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, %p)" " = -1 EBADF (%m)\n", pea_ptr + 1); printf("ioctl(-1, PERF_EVENT_IOC_MODIFY_ATTRIBUTES" ", {type=%#x /* PERF_TYPE_??? */" ", size=%#x /* PERF_ATTR_SIZE_??? */" ", config=%#llx, ...}) = -1 EBADF (%m)\n", (unsigned int) pea_ptr->type, (unsigned int) pea_ptr->size, (unsigned long long) pea_ptr->config); ioctl(-1, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, pea_ptr); puts("+++ exited with 0 +++"); return 0; }
int main(void) { tprintf("%s", ""); int fds[2]; if (pipe(fds)) perror_msg_and_fail("pipe"); pid_t pid; pid = fork(); if (pid < 0) perror_msg_and_fail("fork"); if (!pid) { char c; (void) close(1); assert(read(0, &c, sizeof(c)) == 1); return 42; } (void) close(0); if (do_waitid(P_PID, pid, 0, WNOHANG|WEXITED, 0)) perror_msg_and_fail("waitid #1"); tprintf("waitid(P_PID, %d, NULL, WNOHANG|WEXITED, NULL) = 0\n", pid); TAIL_ALLOC_OBJECT_CONST_PTR(siginfo_t, sinfo); memset(sinfo, 0, sizeof(*sinfo)); TAIL_ALLOC_OBJECT_CONST_PTR(struct rusage, rusage); if (do_waitid(P_PID, pid, sinfo, WNOHANG|WEXITED|WSTOPPED, rusage)) perror_msg_and_fail("waitid #2"); tprintf("waitid(P_PID, %d, {}, WNOHANG|WEXITED|WSTOPPED, %s) = 0\n", pid, sprint_rusage(rusage)); assert(write(1, "", 1) == 1); (void) close(1); if (do_waitid(P_PID, pid, sinfo, WEXITED, rusage)) perror_msg_and_fail("waitid #3"); tprintf("waitid(P_PID, %d, %s, WEXITED, %s) = 0\n", pid, sprint_siginfo(sinfo, "42"), sprint_rusage(rusage)); pid = fork(); if (pid < 0) perror_msg_and_fail("fork"); if (!pid) { (void) raise(SIGUSR1); return 1; } if (do_waitid(P_PID, pid, sinfo, WEXITED, rusage)) perror_msg_and_fail("waitid #4"); tprintf("waitid(P_PID, %d, %s, WEXITED, %s) = 0\n", pid, sprint_siginfo(sinfo, "SIGUSR1"), sprint_rusage(rusage)); if (pipe(fds)) perror_msg_and_fail("pipe"); pid = fork(); if (pid < 0) perror_msg_and_fail("fork"); if (!pid) { (void) close(1); raise(SIGSTOP); char c; assert(read(0, &c, sizeof(c)) == 1); return 0; } (void) close(0); if (do_waitid(P_PID, pid, sinfo, WSTOPPED, rusage)) perror_msg_and_fail("waitid #5"); tprintf("waitid(P_PID, %d, %s, WSTOPPED, %s) = 0\n", pid, sprint_siginfo(sinfo, "SIGSTOP"), sprint_rusage(rusage)); if (kill(pid, SIGCONT)) perror_msg_and_fail("kill(SIGCONT)"); #if defined WCONTINUED if (do_waitid(P_PID, pid, sinfo, WCONTINUED, rusage)) perror_msg_and_fail("waitid #6"); tprintf("waitid(P_PID, %d, %s, WCONTINUED, %s) = 0\n", pid, sprint_siginfo(sinfo, "SIGCONT"), sprint_rusage(rusage)); #endif /* WCONTINUED */ assert(write(1, "", 1) == 1); (void) close(1); if (do_waitid(P_PID, pid, sinfo, WEXITED, rusage)) perror_msg_and_fail("waitid #7"); tprintf("waitid(P_PID, %d, %s, WEXITED, %s) = 0\n", pid, sprint_siginfo(sinfo, "0"), sprint_rusage(rusage)); long rc = do_waitid(P_ALL, -1, sinfo, WEXITED|WSTOPPED, rusage); tprintf("waitid(P_ALL, -1, %p, WEXITED|WSTOPPED, %p)" " = %ld %s (%m)\n", sinfo, rusage, rc, errno2name()); tprintf("%s\n", "+++ exited with 0 +++"); return 0; }
int main(void) { skip_if_unavailable("/proc/self/fd/"); static const struct sockaddr_un addr = { .sun_family = AF_UNIX, .sun_path = TEST_SOCKET }; struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr)); TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len); *len = offsetof(struct sockaddr_un, sun_path) + strlen(TEST_SOCKET) + 1; if (*len > sizeof(addr)) *len = sizeof(addr); int listen_fd = socket(AF_UNIX, SOCK_STREAM, 0); if (listen_fd < 0) perror_msg_and_skip("socket"); unsigned long listen_inode = inode_of_sockfd(listen_fd); printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n", listen_fd, listen_inode); (void) unlink(TEST_SOCKET); if (bind(listen_fd, listen_sa, *len)) perror_msg_and_skip("bind"); printf("bind(%d<socket:[%lu]>, {sa_family=AF_UNIX, sun_path=\"%s\"}" ", %u) = 0\n", listen_fd, listen_inode, TEST_SOCKET, (unsigned) *len); if (listen(listen_fd, 1)) perror_msg_and_skip("listen"); printf("listen(%d<socket:[%lu]>, 1) = 0\n", listen_fd, listen_inode); TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval); *len = sizeof(*optval); if (getsockopt(listen_fd, SOL_SOCKET, SO_PASSCRED, optval, len)) perror_msg_and_fail("getsockopt"); printf("getsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED" ", [%u], [%u]) = 0\n", listen_fd, listen_inode, *optval, (unsigned) *len); memset(listen_sa, 0, sizeof(addr)); *len = sizeof(addr); if (getsockname(listen_fd, listen_sa, len)) perror_msg_and_fail("getsockname"); printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX" ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode, TEST_SOCKET, (int) sizeof(addr), (int) *len); int connect_fd = socket(AF_UNIX, SOCK_STREAM, 0); if (connect_fd < 0) perror_msg_and_fail("socket"); unsigned long connect_inode = inode_of_sockfd(connect_fd); printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n", connect_fd, connect_inode); if (connect(connect_fd, listen_sa, *len)) perror_msg_and_fail("connect"); printf("connect(%d<socket:[%lu]>, {sa_family=AF_UNIX" ", sun_path=\"%s\"}, %u) = 0\n", connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len); struct sockaddr * const accept_sa = tail_alloc(sizeof(addr)); memset(accept_sa, 0, sizeof(addr)); *len = sizeof(addr); int accept_fd = accept(listen_fd, accept_sa, len); if (accept_fd < 0) perror_msg_and_fail("accept"); unsigned long accept_inode = inode_of_sockfd(accept_fd); printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX}" ", [%d->%d]) = %d<socket:[%lu]>\n", listen_fd, listen_inode, (int) sizeof(addr), (int) *len, accept_fd, accept_inode); memset(listen_sa, 0, sizeof(addr)); *len = sizeof(addr); if (getpeername(connect_fd, listen_sa, len)) perror_msg_and_fail("getpeername"); printf("getpeername(%d<socket:[%lu]>, {sa_family=AF_UNIX" ", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode, TEST_SOCKET, (int) sizeof(addr), (int) *len); char text[] = "text"; assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0) == sizeof(text) - 1); printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" ", NULL, 0) = %u\n", connect_fd, connect_inode, text, (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); assert(close(connect_fd) == 0); printf("close(%d<socket:[%lu]>) = 0\n", connect_fd, connect_inode); assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL) == sizeof(text) - 1); printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" ", NULL, NULL) = %u\n", accept_fd, accept_inode, text, (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); assert(close(accept_fd) == 0); printf("close(%d<socket:[%lu]>) = 0\n", accept_fd, accept_inode); connect_fd = socket(AF_UNIX, SOCK_STREAM, 0); if (connect_fd < 0) perror_msg_and_fail("socket"); connect_inode = inode_of_sockfd(connect_fd); printf("socket(AF_UNIX, SOCK_STREAM, 0) = %d<socket:[%lu]>\n", connect_fd, connect_inode); *optval = 1; *len = sizeof(*optval); if (setsockopt(connect_fd, SOL_SOCKET, SO_PASSCRED, optval, *len)) perror_msg_and_fail("setsockopt"); printf("setsockopt(%d<socket:[%lu]>, SOL_SOCKET, SO_PASSCRED" ", [%u], %u) = 0\n", connect_fd, connect_inode, *optval, (unsigned) *len); memset(listen_sa, 0, sizeof(addr)); *len = sizeof(addr); if (getsockname(listen_fd, listen_sa, len)) perror_msg_and_fail("getsockname"); printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX" ", sun_path=\"%s\"}, [%d->%d]) = 0\n", listen_fd, listen_inode, TEST_SOCKET, (int) sizeof(addr), (int) *len); if (connect(connect_fd, listen_sa, *len)) perror_msg_and_fail("connect"); printf("connect(%d<socket:[%lu]>, {sa_family=AF_UNIX" ", sun_path=\"%s\"}, %u) = 0\n", connect_fd, connect_inode, TEST_SOCKET, (unsigned) *len); memset(accept_sa, 0, sizeof(addr)); *len = sizeof(addr); accept_fd = accept(listen_fd, accept_sa, len); if (accept_fd < 0) perror_msg_and_fail("accept"); accept_inode = inode_of_sockfd(accept_fd); const char * const sun_path1 = ((struct sockaddr_un *) accept_sa)->sun_path + 1; printf("accept(%d<socket:[%lu]>, {sa_family=AF_UNIX" ", sun_path=@\"%s\"}, [%d->%d]) = %d<socket:[%lu]>\n", listen_fd, listen_inode, sun_path1, (int) sizeof(addr), (int) *len, accept_fd, accept_inode); memset(listen_sa, 0, sizeof(addr)); *len = sizeof(addr); if (getpeername(connect_fd, listen_sa, len)) perror_msg_and_fail("getpeername"); printf("getpeername(%d<socket:[%lu]>, {sa_family=AF_UNIX" ", sun_path=\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode, TEST_SOCKET, (int) sizeof(addr), (int) *len); memset(accept_sa, 0, sizeof(addr)); *len = sizeof(addr); if (getsockname(connect_fd, accept_sa, len)) perror_msg_and_fail("getsockname"); printf("getsockname(%d<socket:[%lu]>, {sa_family=AF_UNIX" ", sun_path=@\"%s\"}, [%d->%d]) = 0\n", connect_fd, connect_inode, sun_path1, (int) sizeof(addr), (int) *len); assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, 0) == sizeof(text) - 1); printf("sendto(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" ", NULL, 0) = %u\n", connect_fd, connect_inode, text, (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); assert(close(connect_fd) == 0); printf("close(%d<socket:[%lu]>) = 0\n", connect_fd, connect_inode); assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_DONTWAIT, NULL, NULL) == sizeof(text) - 1); printf("recvfrom(%d<socket:[%lu]>, \"%s\", %u, MSG_DONTWAIT" ", NULL, NULL) = %u\n", accept_fd, accept_inode, text, (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); assert(close(accept_fd) == 0); printf("close(%d<socket:[%lu]>) = 0\n", accept_fd, accept_inode); assert(unlink(TEST_SOCKET) == 0); assert(close(listen_fd) == 0); printf("close(%d<socket:[%lu]>) = 0\n", listen_fd, listen_inode); puts("+++ exited with 0 +++"); return 0; }
int main(void) { skip_if_unavailable("/proc/self/fd/"); const struct sockaddr_in addr = { .sin_family = AF_INET, .sin_addr.s_addr = htonl(INADDR_LOOPBACK) }; struct sockaddr * const listen_sa = tail_memdup(&addr, sizeof(addr)); TAIL_ALLOC_OBJECT_CONST_PTR(socklen_t, len); *len = sizeof(addr); const int listen_fd = socket(AF_INET, SOCK_STREAM, 0); if (listen_fd < 0) perror_msg_and_skip("socket"); const unsigned long listen_inode = inode_of_sockfd(listen_fd); printf("socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = %d<TCP:[%lu]>\n", listen_fd, listen_inode); if (bind(listen_fd, listen_sa, *len)) perror_msg_and_skip("bind"); printf("bind(%d<TCP:[%lu]>, {sa_family=AF_INET, sin_port=htons(0)" ", sin_addr=inet_addr(\"127.0.0.1\")}, %u) = 0\n", listen_fd, listen_inode, (unsigned) *len); if (listen(listen_fd, 1)) perror_msg_and_skip("listen"); printf("listen(%d<TCP:[%lu]>, 1) = 0\n", listen_fd, listen_inode); memset(listen_sa, 0, sizeof(addr)); *len = sizeof(addr); if (getsockname(listen_fd, listen_sa, len)) perror_msg_and_fail("getsockname"); const unsigned int listen_port = ntohs(((struct sockaddr_in *) listen_sa)->sin_port); printf("getsockname(%d<TCP:[127.0.0.1:%u]>, {sa_family=AF_INET" ", sin_port=htons(%u), sin_addr=inet_addr(\"127.0.0.1\")}" ", [%u]) = 0\n", listen_fd, listen_port, listen_port, (unsigned) *len); TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, optval); *len = sizeof(*optval); if (getsockopt(listen_fd, SOL_TCP, TCP_MAXSEG, optval, len)) perror_msg_and_fail("getsockopt"); printf("getsockopt(%d<TCP:[127.0.0.1:%u]>, SOL_TCP, TCP_MAXSEG" ", [%u], [%u]) = 0\n", listen_fd, listen_port, *optval, (unsigned) *len); const int connect_fd = socket(AF_INET, SOCK_STREAM, 0); if (connect_fd < 0) perror_msg_and_fail("socket"); const unsigned long connect_inode = inode_of_sockfd(connect_fd); printf("socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = %d<TCP:[%lu]>\n", connect_fd, connect_inode); *len = sizeof(addr); if (connect(connect_fd, listen_sa, *len)) perror_msg_and_fail("connect"); printf("connect(%d<TCP:[%lu]>, {sa_family=AF_INET, sin_port=htons(%u)" ", sin_addr=inet_addr(\"127.0.0.1\")}, %u) = 0\n", connect_fd, connect_inode, listen_port, (unsigned) *len); struct sockaddr * const accept_sa = tail_alloc(sizeof(addr)); memset(accept_sa, 0, sizeof(addr)); *len = sizeof(addr); const int accept_fd = accept(listen_fd, accept_sa, len); if (accept_fd < 0) perror_msg_and_fail("accept"); const unsigned int connect_port = ntohs(((struct sockaddr_in *) accept_sa)->sin_port); printf("accept(%d<TCP:[127.0.0.1:%u]>, {sa_family=AF_INET" ", sin_port=htons(%u), sin_addr=inet_addr(\"127.0.0.1\")}" ", [%u]) = %d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>\n", listen_fd, listen_port, connect_port, (unsigned) *len, accept_fd, listen_port, connect_port); memset(accept_sa, 0, sizeof(addr)); *len = sizeof(addr); if (getpeername(accept_fd, accept_sa, len)) perror_msg_and_fail("getpeername"); printf("getpeername(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>" ", {sa_family=AF_INET, sin_port=htons(%u)" ", sin_addr=inet_addr(\"127.0.0.1\")}, [%u]) = 0\n", accept_fd, listen_port, connect_port, connect_port, (unsigned) *len); memset(listen_sa, 0, sizeof(addr)); *len = sizeof(addr); if (getpeername(connect_fd, listen_sa, len)) perror_msg_and_fail("getpeername"); printf("getpeername(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>" ", {sa_family=AF_INET, sin_port=htons(%u)" ", sin_addr=inet_addr(\"127.0.0.1\")}, [%u]) = 0\n", connect_fd, connect_port, listen_port, listen_port, (unsigned) *len); *len = sizeof(*optval); if (setsockopt(connect_fd, SOL_TCP, TCP_MAXSEG, optval, *len)) perror_msg_and_fail("setsockopt"); printf("setsockopt(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>" ", SOL_TCP, TCP_MAXSEG, [%u], %u) = 0\n", connect_fd, connect_port, listen_port, *optval, (unsigned) *len); char text[] = "text"; assert(sendto(connect_fd, text, sizeof(text) - 1, MSG_DONTROUTE | MSG_DONTWAIT, NULL, 0) == sizeof(text) - 1); printf("sendto(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>, \"%s\", %u" ", MSG_DONTROUTE|MSG_DONTWAIT, NULL, 0) = %u\n", connect_fd, connect_port, listen_port, text, (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); assert(close(connect_fd) == 0); printf("close(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>) = 0\n", connect_fd, connect_port, listen_port); assert(recvfrom(accept_fd, text, sizeof(text) - 1, MSG_WAITALL, NULL, NULL) == sizeof(text) - 1); printf("recvfrom(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>, \"%s\", %u" ", MSG_WAITALL, NULL, NULL) = %u\n", accept_fd, listen_port, connect_port, text, (unsigned) sizeof(text) - 1, (unsigned) sizeof(text) - 1); assert(close(accept_fd) == 0); printf("close(%d<TCP:[127.0.0.1:%u->127.0.0.1:%u]>) = 0\n", accept_fd, listen_port, connect_port); assert(close(listen_fd) == 0); printf("close(%d<TCP:[127.0.0.1:%u]>) = 0\n", listen_fd, listen_port); puts("+++ exited with 0 +++"); return 0; }