diff options
Diffstat (limited to 'lib/libc/tests/secure/fortify_unistd_test.c')
| -rw-r--r-- | lib/libc/tests/secure/fortify_unistd_test.c | 2199 |
1 files changed, 2199 insertions, 0 deletions
diff --git a/lib/libc/tests/secure/fortify_unistd_test.c b/lib/libc/tests/secure/fortify_unistd_test.c new file mode 100644 index 000000000000..b12ef2bbb8ea --- /dev/null +++ b/lib/libc/tests/secure/fortify_unistd_test.c @@ -0,0 +1,2199 @@ +/* @generated by `generate-fortify-tests.lua "unistd"` */ + +#define _FORTIFY_SOURCE 2 +#define TMPFILE_SIZE (1024 * 32) + +#include <sys/param.h> +#include <sys/jail.h> +#include <sys/random.h> +#include <sys/resource.h> +#include <sys/select.h> +#include <sys/socket.h> +#include <sys/time.h> +#include <sys/uio.h> +#include <sys/wait.h> +#include <dirent.h> +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <poll.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include <sysexits.h> +#include <unistd.h> +#include <wchar.h> +#include <atf-c.h> + +static FILE * __unused +new_fp(size_t __len) +{ + static char fpbuf[LINE_MAX]; + FILE *fp; + + ATF_REQUIRE(__len <= sizeof(fpbuf)); + + memset(fpbuf, 'A', sizeof(fpbuf) - 1); + fpbuf[sizeof(fpbuf) - 1] = '\0'; + + fp = fmemopen(fpbuf, sizeof(fpbuf), "rb"); + ATF_REQUIRE(fp != NULL); + + return (fp); +} + +/* + * Create a new symlink to use for readlink(2) style tests, we'll just use a + * random target name to have something interesting to look at. + */ +static const char * __unused +new_symlink(size_t __len) +{ + static const char linkname[] = "link"; + char target[MAXNAMLEN]; + int error; + + ATF_REQUIRE(__len <= sizeof(target)); + + arc4random_buf(target, sizeof(target)); + + error = unlink(linkname); + ATF_REQUIRE(error == 0 || errno == ENOENT); + + error = symlink(target, linkname); + ATF_REQUIRE(error == 0); + + return (linkname); +} + +/* + * For our purposes, first descriptor will be the reader; we'll send both + * raw data and a control message over it so that the result can be used for + * any of our recv*() tests. + */ +static void __unused +new_socket(int sock[2]) +{ + unsigned char ctrl[CMSG_SPACE(sizeof(int))] = { 0 }; + static char sockbuf[256]; + ssize_t rv; + size_t total = 0; + struct msghdr hdr = { 0 }; + struct cmsghdr *cmsg; + int error, fd; + + error = socketpair(AF_UNIX, SOCK_STREAM, 0, sock); + ATF_REQUIRE(error == 0); + + while (total != sizeof(sockbuf)) { + rv = send(sock[1], &sockbuf[total], sizeof(sockbuf) - total, 0); + + ATF_REQUIRE_MSG(rv > 0, + "expected bytes sent, got %zd with %zu left (size %zu, total %zu)", + rv, sizeof(sockbuf) - total, sizeof(sockbuf), total); + ATF_REQUIRE_MSG(total + (size_t)rv <= sizeof(sockbuf), + "%zd exceeds total %zu", rv, sizeof(sockbuf)); + total += rv; + } + + hdr.msg_control = ctrl; + hdr.msg_controllen = sizeof(ctrl); + + cmsg = CMSG_FIRSTHDR(&hdr); + cmsg->cmsg_level = SOL_SOCKET; + cmsg->cmsg_type = SCM_RIGHTS; + cmsg->cmsg_len = CMSG_LEN(sizeof(fd)); + fd = STDIN_FILENO; + memcpy(CMSG_DATA(cmsg), &fd, sizeof(fd)); + + error = sendmsg(sock[1], &hdr, 0); + ATF_REQUIRE(error != -1); +} + +/* + * Constructs a tmpfile that we can use for testing read(2) and friends. + */ +static int __unused +new_tmpfile(void) +{ + char buf[1024]; + ssize_t rv; + size_t written; + int fd; + + fd = open("tmpfile", O_RDWR | O_CREAT | O_TRUNC, 0644); + ATF_REQUIRE(fd >= 0); + + written = 0; + while (written < TMPFILE_SIZE) { + rv = write(fd, buf, sizeof(buf)); + ATF_REQUIRE(rv > 0); + + written += rv; + } + + ATF_REQUIRE_EQ(0, lseek(fd, 0, SEEK_SET)); + return (fd); +} + +static void +disable_coredumps(void) +{ + struct rlimit rl = { 0 }; + + if (setrlimit(RLIMIT_CORE, &rl) == -1) + _exit(EX_OSERR); +} + +/* + * Replaces stdin with a file that we can actually read from, for tests where + * we want a FILE * or fd that we can get data from. + */ +static void __unused +replace_stdin(void) +{ + int fd; + + fd = new_tmpfile(); + + (void)dup2(fd, STDIN_FILENO); + if (fd != STDIN_FILENO) + close(fd); +} + +#define JAIL_HOSTNAME "host.example.com" +#define JAIL_DOMAINNAME "example.com" +static void +dhost_jail(void) +{ + struct iovec iov[4]; + int jid; + + iov[0].iov_base = __DECONST(char *, "host.hostname"); + iov[0].iov_len = sizeof("host.hostname"); + iov[1].iov_base = __DECONST(char *, JAIL_HOSTNAME); + iov[1].iov_len = sizeof(JAIL_HOSTNAME); + iov[2].iov_base = __DECONST(char *, "host.domainname"); + iov[2].iov_len = sizeof("host.domainname"); + iov[3].iov_base = __DECONST(char *, JAIL_DOMAINNAME); + iov[3].iov_len = sizeof(JAIL_DOMAINNAME); + + jid = jail_set(iov, nitems(iov), JAIL_CREATE | JAIL_ATTACH); + ATF_REQUIRE_MSG(jid > 0, "Jail creation failed: %s", strerror(errno)); +} + +ATF_TC(getcwd_before_end); +ATF_TC_HEAD(getcwd_before_end, tc) +{ +} +ATF_TC_BODY(getcwd_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[8]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 8 - 1; + const size_t __idx __unused = __len - 1; + + getcwd(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getcwd_end); +ATF_TC_HEAD(getcwd_end, tc) +{ +} +ATF_TC_BODY(getcwd_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[8]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 8; + const size_t __idx __unused = __len - 1; + + getcwd(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getcwd_heap_before_end); +ATF_TC_HEAD(getcwd_heap_before_end, tc) +{ +} +ATF_TC_BODY(getcwd_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (8); + const size_t __len = 8 - 1; + const size_t __idx __unused = __len - 1; + + __stack.__buf = malloc(__bufsz); + + getcwd(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getcwd_heap_end); +ATF_TC_HEAD(getcwd_heap_end, tc) +{ +} +ATF_TC_BODY(getcwd_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (8); + const size_t __len = 8; + const size_t __idx __unused = __len - 1; + + __stack.__buf = malloc(__bufsz); + + getcwd(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getcwd_heap_after_end); +ATF_TC_HEAD(getcwd_heap_after_end, tc) +{ +} +ATF_TC_BODY(getcwd_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (8); + const size_t __len = 8 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + + getcwd(__stack.__buf, __len); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(getgrouplist_before_end); +ATF_TC_HEAD(getgrouplist_before_end, tc) +{ +} +ATF_TC_BODY(getgrouplist_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + gid_t __buf[4]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 4 - 1; + const size_t __idx __unused = __len - 1; + int intlen = (int)__len; + + getgrouplist("root", 0, __stack.__buf, &intlen); +#undef BUF + +} + +ATF_TC(getgrouplist_end); +ATF_TC_HEAD(getgrouplist_end, tc) +{ +} +ATF_TC_BODY(getgrouplist_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + gid_t __buf[4]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 4; + const size_t __idx __unused = __len - 1; + int intlen = (int)__len; + + getgrouplist("root", 0, __stack.__buf, &intlen); +#undef BUF + +} + +ATF_TC(getgrouplist_heap_before_end); +ATF_TC_HEAD(getgrouplist_heap_before_end, tc) +{ +} +ATF_TC_BODY(getgrouplist_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + gid_t * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (4); + const size_t __len = 4 - 1; + const size_t __idx __unused = __len - 1; + int intlen = (int)__len; + + __stack.__buf = malloc(__bufsz); + + getgrouplist("root", 0, __stack.__buf, &intlen); +#undef BUF + +} + +ATF_TC(getgrouplist_heap_end); +ATF_TC_HEAD(getgrouplist_heap_end, tc) +{ +} +ATF_TC_BODY(getgrouplist_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + gid_t * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (4); + const size_t __len = 4; + const size_t __idx __unused = __len - 1; + int intlen = (int)__len; + + __stack.__buf = malloc(__bufsz); + + getgrouplist("root", 0, __stack.__buf, &intlen); +#undef BUF + +} + +ATF_TC(getgrouplist_heap_after_end); +ATF_TC_HEAD(getgrouplist_heap_after_end, tc) +{ +} +ATF_TC_BODY(getgrouplist_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + gid_t * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (4); + const size_t __len = 4 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + int intlen = (int)__len; + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + + getgrouplist("root", 0, __stack.__buf, &intlen); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(getgroups_before_end); +ATF_TC_HEAD(getgroups_before_end, tc) +{ +} +ATF_TC_BODY(getgroups_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + gid_t __buf[4]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 4 - 1; + const size_t __idx __unused = __len - 1; + + getgroups(__len, __stack.__buf); +#undef BUF + +} + +ATF_TC(getgroups_end); +ATF_TC_HEAD(getgroups_end, tc) +{ +} +ATF_TC_BODY(getgroups_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + gid_t __buf[4]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 4; + const size_t __idx __unused = __len - 1; + + getgroups(__len, __stack.__buf); +#undef BUF + +} + +ATF_TC(getgroups_heap_before_end); +ATF_TC_HEAD(getgroups_heap_before_end, tc) +{ +} +ATF_TC_BODY(getgroups_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + gid_t * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (4); + const size_t __len = 4 - 1; + const size_t __idx __unused = __len - 1; + + __stack.__buf = malloc(__bufsz); + + getgroups(__len, __stack.__buf); +#undef BUF + +} + +ATF_TC(getgroups_heap_end); +ATF_TC_HEAD(getgroups_heap_end, tc) +{ +} +ATF_TC_BODY(getgroups_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + gid_t * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (4); + const size_t __len = 4; + const size_t __idx __unused = __len - 1; + + __stack.__buf = malloc(__bufsz); + + getgroups(__len, __stack.__buf); +#undef BUF + +} + +ATF_TC(getgroups_heap_after_end); +ATF_TC_HEAD(getgroups_heap_after_end, tc) +{ +} +ATF_TC_BODY(getgroups_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + gid_t * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (4); + const size_t __len = 4 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + + getgroups(__len, __stack.__buf); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(getloginclass_before_end); +ATF_TC_HEAD(getloginclass_before_end, tc) +{ +} +ATF_TC_BODY(getloginclass_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[42]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 42 - 1; + const size_t __idx __unused = __len - 1; + + getloginclass(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getloginclass_end); +ATF_TC_HEAD(getloginclass_end, tc) +{ +} +ATF_TC_BODY(getloginclass_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[42]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 42; + const size_t __idx __unused = __len - 1; + + getloginclass(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getloginclass_heap_before_end); +ATF_TC_HEAD(getloginclass_heap_before_end, tc) +{ +} +ATF_TC_BODY(getloginclass_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42 - 1; + const size_t __idx __unused = __len - 1; + + __stack.__buf = malloc(__bufsz); + + getloginclass(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getloginclass_heap_end); +ATF_TC_HEAD(getloginclass_heap_end, tc) +{ +} +ATF_TC_BODY(getloginclass_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42; + const size_t __idx __unused = __len - 1; + + __stack.__buf = malloc(__bufsz); + + getloginclass(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getloginclass_heap_after_end); +ATF_TC_HEAD(getloginclass_heap_after_end, tc) +{ +} +ATF_TC_BODY(getloginclass_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + + getloginclass(__stack.__buf, __len); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(pread_before_end); +ATF_TC_HEAD(pread_before_end, tc) +{ +} +ATF_TC_BODY(pread_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[41]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 41 - 1; + const size_t __idx __unused = __len - 1; + int fd; + + fd = new_tmpfile(); /* Cannot fail */ + + pread(fd, __stack.__buf, __len, 0); +#undef BUF + +} + +ATF_TC(pread_end); +ATF_TC_HEAD(pread_end, tc) +{ +} +ATF_TC_BODY(pread_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[41]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 41; + const size_t __idx __unused = __len - 1; + int fd; + + fd = new_tmpfile(); /* Cannot fail */ + + pread(fd, __stack.__buf, __len, 0); +#undef BUF + +} + +ATF_TC(pread_heap_before_end); +ATF_TC_HEAD(pread_heap_before_end, tc) +{ +} +ATF_TC_BODY(pread_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (41); + const size_t __len = 41 - 1; + const size_t __idx __unused = __len - 1; + int fd; + + __stack.__buf = malloc(__bufsz); + fd = new_tmpfile(); /* Cannot fail */ + + pread(fd, __stack.__buf, __len, 0); +#undef BUF + +} + +ATF_TC(pread_heap_end); +ATF_TC_HEAD(pread_heap_end, tc) +{ +} +ATF_TC_BODY(pread_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (41); + const size_t __len = 41; + const size_t __idx __unused = __len - 1; + int fd; + + __stack.__buf = malloc(__bufsz); + fd = new_tmpfile(); /* Cannot fail */ + + pread(fd, __stack.__buf, __len, 0); +#undef BUF + +} + +ATF_TC(pread_heap_after_end); +ATF_TC_HEAD(pread_heap_after_end, tc) +{ +} +ATF_TC_BODY(pread_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (41); + const size_t __len = 41 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + int fd; + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + fd = new_tmpfile(); /* Cannot fail */ + + pread(fd, __stack.__buf, __len, 0); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(read_before_end); +ATF_TC_HEAD(read_before_end, tc) +{ +} +ATF_TC_BODY(read_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[41]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 41 - 1; + const size_t __idx __unused = __len - 1; + int fd; + + fd = new_tmpfile(); /* Cannot fail */ + + read(fd, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(read_end); +ATF_TC_HEAD(read_end, tc) +{ +} +ATF_TC_BODY(read_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[41]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 41; + const size_t __idx __unused = __len - 1; + int fd; + + fd = new_tmpfile(); /* Cannot fail */ + + read(fd, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(read_heap_before_end); +ATF_TC_HEAD(read_heap_before_end, tc) +{ +} +ATF_TC_BODY(read_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (41); + const size_t __len = 41 - 1; + const size_t __idx __unused = __len - 1; + int fd; + + __stack.__buf = malloc(__bufsz); + fd = new_tmpfile(); /* Cannot fail */ + + read(fd, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(read_heap_end); +ATF_TC_HEAD(read_heap_end, tc) +{ +} +ATF_TC_BODY(read_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (41); + const size_t __len = 41; + const size_t __idx __unused = __len - 1; + int fd; + + __stack.__buf = malloc(__bufsz); + fd = new_tmpfile(); /* Cannot fail */ + + read(fd, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(read_heap_after_end); +ATF_TC_HEAD(read_heap_after_end, tc) +{ +} +ATF_TC_BODY(read_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (41); + const size_t __len = 41 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + int fd; + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + fd = new_tmpfile(); /* Cannot fail */ + + read(fd, __stack.__buf, __len); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(readlink_before_end); +ATF_TC_HEAD(readlink_before_end, tc) +{ +} +ATF_TC_BODY(readlink_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[42]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 42 - 1; + const size_t __idx __unused = __len - 1; + const char *path; + + path = new_symlink(__len); /* Cannot fail */ + + readlink(path, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(readlink_end); +ATF_TC_HEAD(readlink_end, tc) +{ +} +ATF_TC_BODY(readlink_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[42]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 42; + const size_t __idx __unused = __len - 1; + const char *path; + + path = new_symlink(__len); /* Cannot fail */ + + readlink(path, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(readlink_heap_before_end); +ATF_TC_HEAD(readlink_heap_before_end, tc) +{ +} +ATF_TC_BODY(readlink_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42 - 1; + const size_t __idx __unused = __len - 1; + const char *path; + + __stack.__buf = malloc(__bufsz); + path = new_symlink(__len); /* Cannot fail */ + + readlink(path, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(readlink_heap_end); +ATF_TC_HEAD(readlink_heap_end, tc) +{ +} +ATF_TC_BODY(readlink_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42; + const size_t __idx __unused = __len - 1; + const char *path; + + __stack.__buf = malloc(__bufsz); + path = new_symlink(__len); /* Cannot fail */ + + readlink(path, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(readlink_heap_after_end); +ATF_TC_HEAD(readlink_heap_after_end, tc) +{ +} +ATF_TC_BODY(readlink_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + const char *path; + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + path = new_symlink(__len); /* Cannot fail */ + + readlink(path, __stack.__buf, __len); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(readlinkat_before_end); +ATF_TC_HEAD(readlinkat_before_end, tc) +{ +} +ATF_TC_BODY(readlinkat_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[42]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 42 - 1; + const size_t __idx __unused = __len - 1; + const char *path; + + path = new_symlink(__len); /* Cannot fail */ + + readlinkat(AT_FDCWD, path, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(readlinkat_end); +ATF_TC_HEAD(readlinkat_end, tc) +{ +} +ATF_TC_BODY(readlinkat_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[42]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 42; + const size_t __idx __unused = __len - 1; + const char *path; + + path = new_symlink(__len); /* Cannot fail */ + + readlinkat(AT_FDCWD, path, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(readlinkat_heap_before_end); +ATF_TC_HEAD(readlinkat_heap_before_end, tc) +{ +} +ATF_TC_BODY(readlinkat_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42 - 1; + const size_t __idx __unused = __len - 1; + const char *path; + + __stack.__buf = malloc(__bufsz); + path = new_symlink(__len); /* Cannot fail */ + + readlinkat(AT_FDCWD, path, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(readlinkat_heap_end); +ATF_TC_HEAD(readlinkat_heap_end, tc) +{ +} +ATF_TC_BODY(readlinkat_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42; + const size_t __idx __unused = __len - 1; + const char *path; + + __stack.__buf = malloc(__bufsz); + path = new_symlink(__len); /* Cannot fail */ + + readlinkat(AT_FDCWD, path, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(readlinkat_heap_after_end); +ATF_TC_HEAD(readlinkat_heap_after_end, tc) +{ +} +ATF_TC_BODY(readlinkat_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + const char *path; + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + path = new_symlink(__len); /* Cannot fail */ + + readlinkat(AT_FDCWD, path, __stack.__buf, __len); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(getdomainname_before_end); +ATF_TC_HEAD(getdomainname_before_end, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(getdomainname_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[12]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 12 - 1; + const size_t __idx __unused = __len - 1; + + dhost_jail(); + getdomainname(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getdomainname_end); +ATF_TC_HEAD(getdomainname_end, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(getdomainname_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[12]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 12; + const size_t __idx __unused = __len - 1; + + dhost_jail(); + getdomainname(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getdomainname_heap_before_end); +ATF_TC_HEAD(getdomainname_heap_before_end, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(getdomainname_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (12); + const size_t __len = 12 - 1; + const size_t __idx __unused = __len - 1; + + dhost_jail(); + __stack.__buf = malloc(__bufsz); + + getdomainname(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getdomainname_heap_end); +ATF_TC_HEAD(getdomainname_heap_end, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(getdomainname_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (12); + const size_t __len = 12; + const size_t __idx __unused = __len - 1; + + dhost_jail(); + __stack.__buf = malloc(__bufsz); + + getdomainname(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getdomainname_heap_after_end); +ATF_TC_HEAD(getdomainname_heap_after_end, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(getdomainname_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (12); + const size_t __len = 12 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + + dhost_jail(); + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + + getdomainname(__stack.__buf, __len); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(getentropy_before_end); +ATF_TC_HEAD(getentropy_before_end, tc) +{ +} +ATF_TC_BODY(getentropy_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[42]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 42 - 1; + const size_t __idx __unused = __len - 1; + + getentropy(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getentropy_end); +ATF_TC_HEAD(getentropy_end, tc) +{ +} +ATF_TC_BODY(getentropy_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[42]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 42; + const size_t __idx __unused = __len - 1; + + getentropy(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getentropy_heap_before_end); +ATF_TC_HEAD(getentropy_heap_before_end, tc) +{ +} +ATF_TC_BODY(getentropy_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42 - 1; + const size_t __idx __unused = __len - 1; + + __stack.__buf = malloc(__bufsz); + + getentropy(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getentropy_heap_end); +ATF_TC_HEAD(getentropy_heap_end, tc) +{ +} +ATF_TC_BODY(getentropy_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42; + const size_t __idx __unused = __len - 1; + + __stack.__buf = malloc(__bufsz); + + getentropy(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getentropy_heap_after_end); +ATF_TC_HEAD(getentropy_heap_after_end, tc) +{ +} +ATF_TC_BODY(getentropy_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + + getentropy(__stack.__buf, __len); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(gethostname_before_end); +ATF_TC_HEAD(gethostname_before_end, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(gethostname_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[17]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 17 - 1; + const size_t __idx __unused = __len - 1; + + dhost_jail(); + gethostname(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(gethostname_end); +ATF_TC_HEAD(gethostname_end, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(gethostname_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[17]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 17; + const size_t __idx __unused = __len - 1; + + dhost_jail(); + gethostname(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(gethostname_heap_before_end); +ATF_TC_HEAD(gethostname_heap_before_end, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(gethostname_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (17); + const size_t __len = 17 - 1; + const size_t __idx __unused = __len - 1; + + dhost_jail(); + __stack.__buf = malloc(__bufsz); + + gethostname(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(gethostname_heap_end); +ATF_TC_HEAD(gethostname_heap_end, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(gethostname_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (17); + const size_t __len = 17; + const size_t __idx __unused = __len - 1; + + dhost_jail(); + __stack.__buf = malloc(__bufsz); + + gethostname(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(gethostname_heap_after_end); +ATF_TC_HEAD(gethostname_heap_after_end, tc) +{ + atf_tc_set_md_var(tc, "require.user", "root"); +} +ATF_TC_BODY(gethostname_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (17); + const size_t __len = 17 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + + dhost_jail(); + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + + gethostname(__stack.__buf, __len); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(getlogin_r_before_end); +ATF_TC_HEAD(getlogin_r_before_end, tc) +{ +} +ATF_TC_BODY(getlogin_r_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[MAXLOGNAME + 1]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = MAXLOGNAME + 1 - 1; + const size_t __idx __unused = __len - 1; + + getlogin_r(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getlogin_r_end); +ATF_TC_HEAD(getlogin_r_end, tc) +{ +} +ATF_TC_BODY(getlogin_r_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[MAXLOGNAME + 1]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = MAXLOGNAME + 1; + const size_t __idx __unused = __len - 1; + + getlogin_r(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getlogin_r_heap_before_end); +ATF_TC_HEAD(getlogin_r_heap_before_end, tc) +{ +} +ATF_TC_BODY(getlogin_r_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (MAXLOGNAME + 1); + const size_t __len = MAXLOGNAME + 1 - 1; + const size_t __idx __unused = __len - 1; + + __stack.__buf = malloc(__bufsz); + + getlogin_r(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getlogin_r_heap_end); +ATF_TC_HEAD(getlogin_r_heap_end, tc) +{ +} +ATF_TC_BODY(getlogin_r_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (MAXLOGNAME + 1); + const size_t __len = MAXLOGNAME + 1; + const size_t __idx __unused = __len - 1; + + __stack.__buf = malloc(__bufsz); + + getlogin_r(__stack.__buf, __len); +#undef BUF + +} + +ATF_TC(getlogin_r_heap_after_end); +ATF_TC_HEAD(getlogin_r_heap_after_end, tc) +{ +} +ATF_TC_BODY(getlogin_r_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (MAXLOGNAME + 1); + const size_t __len = MAXLOGNAME + 1 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + + getlogin_r(__stack.__buf, __len); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TC(ttyname_r_before_end); +ATF_TC_HEAD(ttyname_r_before_end, tc) +{ +} +ATF_TC_BODY(ttyname_r_before_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[42]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 42 - 1; + const size_t __idx __unused = __len - 1; + int fd; + + fd = STDIN_FILENO; + if (!isatty(fd)) + atf_tc_skip("stdin is not an fd"); + + ttyname_r(fd, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(ttyname_r_end); +ATF_TC_HEAD(ttyname_r_end, tc) +{ +} +ATF_TC_BODY(ttyname_r_end, tc) +{ +#define BUF &__stack.__buf + struct { + uint8_t padding_l; + unsigned char __buf[42]; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(__stack.__buf); + const size_t __len = 42; + const size_t __idx __unused = __len - 1; + int fd; + + fd = STDIN_FILENO; + if (!isatty(fd)) + atf_tc_skip("stdin is not an fd"); + + ttyname_r(fd, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(ttyname_r_heap_before_end); +ATF_TC_HEAD(ttyname_r_heap_before_end, tc) +{ +} +ATF_TC_BODY(ttyname_r_heap_before_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42 - 1; + const size_t __idx __unused = __len - 1; + int fd; + + fd = STDIN_FILENO; + if (!isatty(fd)) + atf_tc_skip("stdin is not an fd"); + + __stack.__buf = malloc(__bufsz); + + ttyname_r(fd, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(ttyname_r_heap_end); +ATF_TC_HEAD(ttyname_r_heap_end, tc) +{ +} +ATF_TC_BODY(ttyname_r_heap_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42; + const size_t __idx __unused = __len - 1; + int fd; + + fd = STDIN_FILENO; + if (!isatty(fd)) + atf_tc_skip("stdin is not an fd"); + + __stack.__buf = malloc(__bufsz); + + ttyname_r(fd, __stack.__buf, __len); +#undef BUF + +} + +ATF_TC(ttyname_r_heap_after_end); +ATF_TC_HEAD(ttyname_r_heap_after_end, tc) +{ +} +ATF_TC_BODY(ttyname_r_heap_after_end, tc) +{ +#define BUF __stack.__buf + struct { + uint8_t padding_l; + unsigned char * __buf; + uint8_t padding_r; + } __stack; + const size_t __bufsz __unused = sizeof(*__stack.__buf) * (42); + const size_t __len = 42 + 1; + const size_t __idx __unused = __len - 1; + pid_t __child; + int __status; + int fd; + + fd = STDIN_FILENO; + if (!isatty(fd)) + atf_tc_skip("stdin is not an fd"); + + __child = fork(); + ATF_REQUIRE(__child >= 0); + if (__child > 0) + goto monitor; + + /* Child */ + disable_coredumps(); + __stack.__buf = malloc(__bufsz); + + ttyname_r(fd, __stack.__buf, __len); + _exit(EX_SOFTWARE); /* Should have aborted. */ + +monitor: + while (waitpid(__child, &__status, 0) != __child) { + ATF_REQUIRE_EQ(EINTR, errno); + } + + if (!WIFSIGNALED(__status)) { + switch (WEXITSTATUS(__status)) { + case EX_SOFTWARE: + atf_tc_fail("FORTIFY_SOURCE failed to abort"); + break; + case EX_OSERR: + atf_tc_fail("setrlimit(2) failed"); + break; + default: + atf_tc_fail("child exited with status %d", + WEXITSTATUS(__status)); + } + } else { + ATF_REQUIRE_EQ(SIGABRT, WTERMSIG(__status)); + } +#undef BUF + +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, getcwd_before_end); + ATF_TP_ADD_TC(tp, getcwd_end); + ATF_TP_ADD_TC(tp, getcwd_heap_before_end); + ATF_TP_ADD_TC(tp, getcwd_heap_end); + ATF_TP_ADD_TC(tp, getcwd_heap_after_end); + ATF_TP_ADD_TC(tp, getgrouplist_before_end); + ATF_TP_ADD_TC(tp, getgrouplist_end); + ATF_TP_ADD_TC(tp, getgrouplist_heap_before_end); + ATF_TP_ADD_TC(tp, getgrouplist_heap_end); + ATF_TP_ADD_TC(tp, getgrouplist_heap_after_end); + ATF_TP_ADD_TC(tp, getgroups_before_end); + ATF_TP_ADD_TC(tp, getgroups_end); + ATF_TP_ADD_TC(tp, getgroups_heap_before_end); + ATF_TP_ADD_TC(tp, getgroups_heap_end); + ATF_TP_ADD_TC(tp, getgroups_heap_after_end); + ATF_TP_ADD_TC(tp, getloginclass_before_end); + ATF_TP_ADD_TC(tp, getloginclass_end); + ATF_TP_ADD_TC(tp, getloginclass_heap_before_end); + ATF_TP_ADD_TC(tp, getloginclass_heap_end); + ATF_TP_ADD_TC(tp, getloginclass_heap_after_end); + ATF_TP_ADD_TC(tp, pread_before_end); + ATF_TP_ADD_TC(tp, pread_end); + ATF_TP_ADD_TC(tp, pread_heap_before_end); + ATF_TP_ADD_TC(tp, pread_heap_end); + ATF_TP_ADD_TC(tp, pread_heap_after_end); + ATF_TP_ADD_TC(tp, read_before_end); + ATF_TP_ADD_TC(tp, read_end); + ATF_TP_ADD_TC(tp, read_heap_before_end); + ATF_TP_ADD_TC(tp, read_heap_end); + ATF_TP_ADD_TC(tp, read_heap_after_end); + ATF_TP_ADD_TC(tp, readlink_before_end); + ATF_TP_ADD_TC(tp, readlink_end); + ATF_TP_ADD_TC(tp, readlink_heap_before_end); + ATF_TP_ADD_TC(tp, readlink_heap_end); + ATF_TP_ADD_TC(tp, readlink_heap_after_end); + ATF_TP_ADD_TC(tp, readlinkat_before_end); + ATF_TP_ADD_TC(tp, readlinkat_end); + ATF_TP_ADD_TC(tp, readlinkat_heap_before_end); + ATF_TP_ADD_TC(tp, readlinkat_heap_end); + ATF_TP_ADD_TC(tp, readlinkat_heap_after_end); + ATF_TP_ADD_TC(tp, getdomainname_before_end); + ATF_TP_ADD_TC(tp, getdomainname_end); + ATF_TP_ADD_TC(tp, getdomainname_heap_before_end); + ATF_TP_ADD_TC(tp, getdomainname_heap_end); + ATF_TP_ADD_TC(tp, getdomainname_heap_after_end); + ATF_TP_ADD_TC(tp, getentropy_before_end); + ATF_TP_ADD_TC(tp, getentropy_end); + ATF_TP_ADD_TC(tp, getentropy_heap_before_end); + ATF_TP_ADD_TC(tp, getentropy_heap_end); + ATF_TP_ADD_TC(tp, getentropy_heap_after_end); + ATF_TP_ADD_TC(tp, gethostname_before_end); + ATF_TP_ADD_TC(tp, gethostname_end); + ATF_TP_ADD_TC(tp, gethostname_heap_before_end); + ATF_TP_ADD_TC(tp, gethostname_heap_end); + ATF_TP_ADD_TC(tp, gethostname_heap_after_end); + ATF_TP_ADD_TC(tp, getlogin_r_before_end); + ATF_TP_ADD_TC(tp, getlogin_r_end); + ATF_TP_ADD_TC(tp, getlogin_r_heap_before_end); + ATF_TP_ADD_TC(tp, getlogin_r_heap_end); + ATF_TP_ADD_TC(tp, getlogin_r_heap_after_end); + ATF_TP_ADD_TC(tp, ttyname_r_before_end); + ATF_TP_ADD_TC(tp, ttyname_r_end); + ATF_TP_ADD_TC(tp, ttyname_r_heap_before_end); + ATF_TP_ADD_TC(tp, ttyname_r_heap_end); + ATF_TP_ADD_TC(tp, ttyname_r_heap_after_end); + return (atf_no_error()); +} |