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 | 156 |
2 files changed, 0 insertions, 175 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 fd133d8368..0000000000 --- a/src/regress/lib/libc/mkstemp/mkstemp_test.c +++ /dev/null | |||
@@ -1,156 +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/param.h> | ||
12 | |||
13 | #include <err.h> | ||
14 | #include <stdio.h> | ||
15 | #include <stdlib.h> | ||
16 | #include <string.h> | ||
17 | #include <sys/mman.h> | ||
18 | #include <sys/stat.h> | ||
19 | #include <unistd.h> | ||
20 | |||
21 | #define MAX_TEMPLATE_LEN 10 | ||
22 | #define MAX_TRIES 100 | ||
23 | |||
24 | #define SUFFIX ".suff" | ||
25 | #define SLEN (sizeof SUFFIX - 1) | ||
26 | |||
27 | long pg; | ||
28 | |||
29 | /* | ||
30 | * verify that a path generated by mkstemp() or mkstemp() looks like a | ||
31 | * reasonable expansion of the template and matches the fd. Returns true | ||
32 | * if all the X's were replaced with non-X's | ||
33 | */ | ||
34 | int | ||
35 | check(int fd, char const *path, char const *prefix, size_t plen, | ||
36 | char const *suffix, size_t slen, int tlen) | ||
37 | { | ||
38 | struct stat sb, fsb; | ||
39 | char const *p; | ||
40 | |||
41 | if (fd < 0) | ||
42 | err(1, "mkstemp"); | ||
43 | if (stat(path, &sb)) | ||
44 | err(1, "stat(%s)", path); | ||
45 | if (fstat(fd, &fsb)) | ||
46 | err(1, "fstat(%d==%s)", fd, path); | ||
47 | if (sb.st_dev != fsb.st_dev || sb.st_ino != fsb.st_ino) | ||
48 | errx(1, "stat mismatch"); | ||
49 | close(fd); | ||
50 | if (memcmp(path, prefix, plen) != 0) | ||
51 | errx(1, "prefix changed! %s vs %s", prefix, path); | ||
52 | if (memcmp(path + plen + tlen, suffix, slen + 1) != 0) | ||
53 | errx(1, "suffix changed! %s vs %s", suffix, path); | ||
54 | for (p = path + plen; p < path + plen + tlen; p++) | ||
55 | if (*p == '\0') | ||
56 | errx(1, "unexpected truncation"); | ||
57 | else if (*p == 'X') | ||
58 | return 0; | ||
59 | return 1; | ||
60 | } | ||
61 | |||
62 | |||
63 | void | ||
64 | try_mkstemp(char *p, char const *prefix, int len) | ||
65 | { | ||
66 | char *q; | ||
67 | size_t plen = strlen(prefix); | ||
68 | int tries, fd; | ||
69 | |||
70 | for (tries = 0; tries < MAX_TRIES; tries++) { | ||
71 | memcpy(p, prefix, plen); | ||
72 | memset(p + plen, 'X', len); | ||
73 | p[plen + len] = '\0'; | ||
74 | fd = mkstemp(p); | ||
75 | if (check(fd, p, prefix, plen, "", 0, len)) | ||
76 | return; | ||
77 | } | ||
78 | errx(1, "exceeded MAX_TRIES"); | ||
79 | } | ||
80 | |||
81 | void | ||
82 | try_mkstemps(char *p, char const *prefix, int len, char const *suffix) | ||
83 | { | ||
84 | char *q; | ||
85 | size_t plen = strlen(prefix); | ||
86 | size_t slen = strlen(suffix); | ||
87 | int tries, fd; | ||
88 | |||
89 | for (tries = 0; tries < MAX_TRIES; tries++) { | ||
90 | memcpy(p, prefix, plen); | ||
91 | memset(p + plen, 'X', len); | ||
92 | memcpy(p + plen + len, suffix, slen + 1); | ||
93 | fd = mkstemps(p, slen); | ||
94 | if (check(fd, p, prefix, plen, suffix, slen, len)) | ||
95 | return; | ||
96 | } | ||
97 | errx(1, "exceeded MAX_TRIES"); | ||
98 | } | ||
99 | |||
100 | int | ||
101 | main(void) | ||
102 | { | ||
103 | struct stat sb, fsb; | ||
104 | char cwd[MAXPATHLEN + 1]; | ||
105 | char *p; | ||
106 | size_t clen; | ||
107 | int i; | ||
108 | |||
109 | pg = sysconf(_SC_PAGESIZE); | ||
110 | if (getcwd(cwd, sizeof cwd - 1) == NULL) | ||
111 | err(1, "getcwd"); | ||
112 | clen = strlen(cwd); | ||
113 | cwd[clen++] = '/'; | ||
114 | cwd[clen] = '\0'; | ||
115 | p = mmap(NULL, pg * 3, PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); | ||
116 | if (p == NULL) | ||
117 | err(1, "mmap"); | ||
118 | if (mprotect(p, pg, PROT_NONE) || mprotect(p + pg * 2, pg, PROT_NONE)) | ||
119 | err(1, "mprotect"); | ||
120 | p += pg; | ||
121 | |||
122 | i = MAX_TEMPLATE_LEN + 1; | ||
123 | while (i-- > 1) { | ||
124 | /* try first at the start of a page, no prefix */ | ||
125 | try_mkstemp(p, "", i); | ||
126 | /* now at the end of the page, no prefix */ | ||
127 | try_mkstemp(p + pg - i - 1, "", i); | ||
128 | /* start of the page, prefixed with the cwd */ | ||
129 | try_mkstemp(p, cwd, i); | ||
130 | /* how about at the end of the page, prefixed with cwd? */ | ||
131 | try_mkstemp(p + pg - clen - i - 1, cwd, i); | ||
132 | |||
133 | /* again, with mkstemps() and an empty suffix */ | ||
134 | /* try first at the start of a page, no prefix */ | ||
135 | try_mkstemps(p, "", i, ""); | ||
136 | /* now at the end of the page, no prefix */ | ||
137 | try_mkstemps(p + pg - i - 1, "", i, ""); | ||
138 | /* start of the page, prefixed with the cwd */ | ||
139 | try_mkstemps(p, cwd, i, ""); | ||
140 | /* how about at the end of the page, prefixed with cwd? */ | ||
141 | try_mkstemps(p + pg - clen - i - 1, cwd, i, ""); | ||
142 | |||
143 | /* mkstemps() and a non-empty suffix */ | ||
144 | /* try first at the start of a page, no prefix */ | ||
145 | try_mkstemps(p, "", i, SUFFIX); | ||
146 | /* now at the end of the page, no prefix */ | ||
147 | try_mkstemps(p + pg - i - SLEN - 1, "", i, SUFFIX); | ||
148 | /* start of the page, prefixed with the cwd */ | ||
149 | try_mkstemps(p, cwd, i, SUFFIX); | ||
150 | /* how about at the end of the page, prefixed with cwd? */ | ||
151 | try_mkstemps(p + pg - clen - i - SLEN - 1, cwd, i, SUFFIX); | ||
152 | |||
153 | } | ||
154 | |||
155 | return 0; | ||
156 | } | ||