diff options
Diffstat (limited to 'src/regress/lib/libc/mkstemp')
| -rw-r--r-- | src/regress/lib/libc/mkstemp/Makefile | 19 | ||||
| -rw-r--r-- | src/regress/lib/libc/mkstemp/mkstemp_test.c | 166 |
2 files changed, 0 insertions, 185 deletions
diff --git a/src/regress/lib/libc/mkstemp/Makefile b/src/regress/lib/libc/mkstemp/Makefile deleted file mode 100644 index dc7eb281a9..0000000000 --- a/src/regress/lib/libc/mkstemp/Makefile +++ /dev/null | |||
| @@ -1,19 +0,0 @@ | |||
| 1 | # $OpenBSD: Makefile,v 1.1 2010/02/11 07:35:38 guenther Exp $ | ||
| 2 | |||
| 3 | PROG=mkstemp_test | ||
| 4 | CLEANFILES+= ; rm -rf output | ||
| 5 | |||
| 6 | O = output | ||
| 7 | |||
| 8 | # The ktrace/kdump/perl combo verifies that all open() calls that | ||
| 9 | # were passed O_CREAT were also passed O_EXCL | ||
| 10 | run-regress-${PROG}: ${PROG} | ||
| 11 | mkdir -p $O && cd $O && ktrace ../${PROG} | ||
| 12 | cd $O && kdump | perl -mFcntl -nl \ | ||
| 13 | -e '/ open\([^,]*,([^,]+)/ or next;' \ | ||
| 14 | -e '$$f = oct($$1);' \ | ||
| 15 | -e 'if ($$f & O_CREAT && !($$f & O_EXCL)) {' \ | ||
| 16 | -e ' print "FAIL"; exit 1' \ | ||
| 17 | -e '}' | ||
| 18 | |||
| 19 | .include <bsd.regress.mk> | ||
diff --git a/src/regress/lib/libc/mkstemp/mkstemp_test.c b/src/regress/lib/libc/mkstemp/mkstemp_test.c deleted file mode 100644 index b92619cd36..0000000000 --- a/src/regress/lib/libc/mkstemp/mkstemp_test.c +++ /dev/null | |||
| @@ -1,166 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 2010 Philip Guenther <guenther@openbsd.org> | ||
| 3 | * | ||
| 4 | * Public domain. | ||
| 5 | * | ||
| 6 | * Verify that mkstemp() and mkstemps() doesn't overrun or underrun | ||
| 7 | * the template buffer and that it can generate names that don't | ||
| 8 | * contain any X's | ||
| 9 | */ | ||
| 10 | |||
| 11 | #include <sys/types.h> | ||
| 12 | #include <sys/mman.h> | ||
| 13 | #include <sys/stat.h> | ||
| 14 | |||
| 15 | #include <err.h> | ||
| 16 | #include <errno.h> | ||
| 17 | #include <stdio.h> | ||
| 18 | #include <stdlib.h> | ||
| 19 | #include <string.h> | ||
| 20 | #include <limits.h> | ||
| 21 | #include <unistd.h> | ||
| 22 | |||
| 23 | #define MAX_TEMPLATE_LEN 10 | ||
| 24 | #define MAX_TRIES 100 | ||
| 25 | #define MIN_Xs 6 | ||
| 26 | |||
| 27 | #define SUFFIX ".suff" | ||
| 28 | #define SLEN (sizeof SUFFIX - 1) | ||
| 29 | |||
| 30 | long pg; | ||
| 31 | |||
| 32 | /* | ||
| 33 | * verify that a path generated by mkstemp() or mkstemp() looks like a | ||
| 34 | * reasonable expansion of the template and matches the fd. Returns true | ||
| 35 | * if all the X's were replaced with non-X's | ||
| 36 | */ | ||
| 37 | int | ||
| 38 | check(int fd, char const *path, char const *prefix, size_t plen, | ||
| 39 | char const *suffix, size_t slen, int tlen) | ||
| 40 | { | ||
| 41 | struct stat sb, fsb; | ||
| 42 | char const *p; | ||
| 43 | |||
| 44 | if (tlen < MIN_Xs) { | ||
| 45 | if (fd >= 0) | ||
| 46 | errx(1, "mkstemp(%s) succeed with too few Xs", path); | ||
| 47 | if (errno != EINVAL) | ||
| 48 | err(1, "mkstemp(%s) failed with wrong errno", path); | ||
| 49 | return 1; | ||
| 50 | } | ||
| 51 | if (fd < 0) | ||
| 52 | err(1, "mkstemp(%s)", path); | ||
| 53 | if (stat(path, &sb)) | ||
| 54 | err(1, "stat(%s)", path); | ||
| 55 | if (fstat(fd, &fsb)) | ||
| 56 | err(1, "fstat(%d==%s)", fd, path); | ||
| 57 | if (sb.st_dev != fsb.st_dev || sb.st_ino != fsb.st_ino) | ||
| 58 | errx(1, "stat mismatch"); | ||
| 59 | close(fd); | ||
| 60 | if (memcmp(path, prefix, plen) != 0) | ||
| 61 | errx(1, "prefix changed! %s vs %s", prefix, path); | ||
| 62 | if (memcmp(path + plen + tlen, suffix, slen + 1) != 0) | ||
| 63 | errx(1, "suffix changed! %s vs %s", suffix, path); | ||
| 64 | for (p = path + plen; p < path + plen + tlen; p++) | ||
| 65 | if (*p == '\0') | ||
| 66 | errx(1, "unexpected truncation"); | ||
| 67 | else if (*p == 'X') | ||
| 68 | return 0; | ||
| 69 | return 1; | ||
| 70 | } | ||
| 71 | |||
| 72 | |||
| 73 | void | ||
| 74 | try_mkstemp(char *p, char const *prefix, int len) | ||
| 75 | { | ||
| 76 | char *q; | ||
| 77 | size_t plen = strlen(prefix); | ||
| 78 | int tries, fd; | ||
| 79 | |||
| 80 | for (tries = 0; tries < MAX_TRIES; tries++) { | ||
| 81 | memcpy(p, prefix, plen); | ||
| 82 | memset(p + plen, 'X', len); | ||
| 83 | p[plen + len] = '\0'; | ||
| 84 | fd = mkstemp(p); | ||
| 85 | if (check(fd, p, prefix, plen, "", 0, len)) | ||
| 86 | return; | ||
| 87 | } | ||
| 88 | errx(1, "exceeded MAX_TRIES"); | ||
| 89 | } | ||
| 90 | |||
| 91 | void | ||
| 92 | try_mkstemps(char *p, char const *prefix, int len, char const *suffix) | ||
| 93 | { | ||
| 94 | char *q; | ||
| 95 | size_t plen = strlen(prefix); | ||
| 96 | size_t slen = strlen(suffix); | ||
| 97 | int tries, fd; | ||
| 98 | |||
| 99 | for (tries = 0; tries < MAX_TRIES; tries++) { | ||
| 100 | memcpy(p, prefix, plen); | ||
| 101 | memset(p + plen, 'X', len); | ||
| 102 | memcpy(p + plen + len, suffix, slen + 1); | ||
| 103 | fd = mkstemps(p, slen); | ||
| 104 | if (check(fd, p, prefix, plen, suffix, slen, len)) | ||
| 105 | return; | ||
| 106 | } | ||
| 107 | errx(1, "exceeded MAX_TRIES"); | ||
| 108 | } | ||
| 109 | |||
| 110 | int | ||
| 111 | main(void) | ||
| 112 | { | ||
| 113 | struct stat sb, fsb; | ||
| 114 | char cwd[PATH_MAX + 1]; | ||
| 115 | char *p; | ||
| 116 | size_t clen; | ||
| 117 | int i; | ||
| 118 | |||
| 119 | pg = sysconf(_SC_PAGESIZE); | ||
| 120 | if (getcwd(cwd, sizeof cwd - 1) == NULL) | ||
| 121 | err(1, "getcwd"); | ||
| 122 | clen = strlen(cwd); | ||
| 123 | cwd[clen++] = '/'; | ||
| 124 | cwd[clen] = '\0'; | ||
| 125 | p = mmap(NULL, pg * 3, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); | ||
| 126 | if (p == MAP_FAILED) | ||
| 127 | err(1, "mmap"); | ||
| 128 | if (mprotect(p, pg, PROT_NONE) || mprotect(p + pg * 2, pg, PROT_NONE)) | ||
| 129 | err(1, "mprotect"); | ||
| 130 | p += pg; | ||
| 131 | |||
| 132 | i = MAX_TEMPLATE_LEN + 1; | ||
| 133 | while (i-- > 0) { | ||
| 134 | /* try first at the start of a page, no prefix */ | ||
| 135 | try_mkstemp(p, "", i); | ||
| 136 | /* now at the end of the page, no prefix */ | ||
| 137 | try_mkstemp(p + pg - i - 1, "", i); | ||
| 138 | /* start of the page, prefixed with the cwd */ | ||
| 139 | try_mkstemp(p, cwd, i); | ||
| 140 | /* how about at the end of the page, prefixed with cwd? */ | ||
| 141 | try_mkstemp(p + pg - clen - i - 1, cwd, i); | ||
| 142 | |||
| 143 | /* again, with mkstemps() and an empty suffix */ | ||
| 144 | /* try first at the start of a page, no prefix */ | ||
| 145 | try_mkstemps(p, "", i, ""); | ||
| 146 | /* now at the end of the page, no prefix */ | ||
| 147 | try_mkstemps(p + pg - i - 1, "", i, ""); | ||
| 148 | /* start of the page, prefixed with the cwd */ | ||
| 149 | try_mkstemps(p, cwd, i, ""); | ||
| 150 | /* how about at the end of the page, prefixed with cwd? */ | ||
| 151 | try_mkstemps(p + pg - clen - i - 1, cwd, i, ""); | ||
| 152 | |||
| 153 | /* mkstemps() and a non-empty suffix */ | ||
| 154 | /* try first at the start of a page, no prefix */ | ||
| 155 | try_mkstemps(p, "", i, SUFFIX); | ||
| 156 | /* now at the end of the page, no prefix */ | ||
| 157 | try_mkstemps(p + pg - i - SLEN - 1, "", i, SUFFIX); | ||
| 158 | /* start of the page, prefixed with the cwd */ | ||
| 159 | try_mkstemps(p, cwd, i, SUFFIX); | ||
| 160 | /* how about at the end of the page, prefixed with cwd? */ | ||
| 161 | try_mkstemps(p + pg - clen - i - SLEN - 1, cwd, i, SUFFIX); | ||
| 162 | |||
| 163 | } | ||
| 164 | |||
| 165 | return 0; | ||
| 166 | } | ||
