Mercurial > hg > octave-kai > gnulib-hg
annotate lib/userspec.c @ 3966:22d3032f0239
Include gettext.h instead of <libintl.h> with #ifdefs.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Tue, 05 Nov 2002 21:45:29 +0000 (2002-11-05) |
| parents | 1ea823152408 |
| children | 99ea86c79f44 |
| rev | line source |
|---|---|
| 5 | 1 /* userspec.c -- Parse a user and group string. |
|
3700
1ea823152408
add 2002 to Copyright line
Jim Meyering <jim@meyering.net>
parents:
3699
diff
changeset
|
2 Copyright (C) 1989-1992, 1997, 1998, 2000, 2002 Free Software Foundation, Inc. |
| 5 | 3 |
| 4 This program is free software; you can redistribute it and/or modify | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 the Free Software Foundation; either version 2, or (at your option) | |
| 7 any later version. | |
| 8 | |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
|
650
b4ef1c1a0171
update FSF address in copyright
Jim Meyering <jim@meyering.net>
parents:
499
diff
changeset
|
15 along with this program; if not, write to the Free Software Foundation, |
|
b4ef1c1a0171
update FSF address in copyright
Jim Meyering <jim@meyering.net>
parents:
499
diff
changeset
|
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 5 | 17 |
| 18 /* Written by David MacKenzie <djm@gnu.ai.mit.edu>. */ | |
| 966 | 19 |
| 20 #if HAVE_CONFIG_H | |
| 21 # include <config.h> | |
| 105 | 22 #endif |
| 23 | |
| 231 | 24 #ifdef __GNUC__ |
|
432
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
25 # define alloca __builtin_alloca |
| 231 | 26 #else |
|
1278
9ad625a30b7d
Use #if, not #ifdef with HAVE_ macros
Jim Meyering <jim@meyering.net>
parents:
1260
diff
changeset
|
27 # if HAVE_ALLOCA_H |
|
432
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
28 # include <alloca.h> |
|
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
29 # else |
|
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
30 # ifdef _AIX |
| 966 | 31 # pragma alloca |
|
432
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
32 # else |
| 231 | 33 char *alloca (); |
|
432
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
34 # endif |
|
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
35 # endif |
| 231 | 36 #endif |
| 230 | 37 |
| 5 | 38 #include <stdio.h> |
| 39 #include <sys/types.h> | |
| 40 #include <pwd.h> | |
| 41 #include <grp.h> | |
| 42 | |
| 2854 | 43 #if HAVE_SYS_PARAM_H |
| 44 # include <sys/param.h> | |
| 45 #endif | |
| 46 | |
| 47 #if HAVE_LIMITS_H | |
| 48 # include <limits.h> | |
| 49 #endif | |
| 50 | |
| 966 | 51 #if HAVE_STRING_H |
|
432
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
52 # include <string.h> |
| 5 | 53 #else |
|
432
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
54 # include <strings.h> |
|
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
55 # ifndef strchr |
|
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
56 # define strchr index |
|
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
57 # endif |
| 5 | 58 #endif |
| 59 | |
| 966 | 60 #if STDC_HEADERS |
|
432
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
61 # include <stdlib.h> |
| 5 | 62 #endif |
| 63 | |
| 966 | 64 #if HAVE_UNISTD_H |
|
432
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
65 # include <unistd.h> |
| 5 | 66 #endif |
| 67 | |
|
2810
aff553209434
(same_name): Invoke xalloc_die instead of printing our own message.
Jim Meyering <jim@meyering.net>
parents:
2284
diff
changeset
|
68 #include "xalloc.h" |
| 2854 | 69 #include "xstrtol.h" |
|
2810
aff553209434
(same_name): Invoke xalloc_die instead of printing our own message.
Jim Meyering <jim@meyering.net>
parents:
2284
diff
changeset
|
70 |
|
3966
22d3032f0239
Include gettext.h instead of <libintl.h> with #ifdefs.
Bruno Haible <bruno@clisp.org>
parents:
3700
diff
changeset
|
71 #include "gettext.h" |
|
22d3032f0239
Include gettext.h instead of <libintl.h> with #ifdefs.
Bruno Haible <bruno@clisp.org>
parents:
3700
diff
changeset
|
72 #define _(msgid) gettext (msgid) |
|
22d3032f0239
Include gettext.h instead of <libintl.h> with #ifdefs.
Bruno Haible <bruno@clisp.org>
parents:
3700
diff
changeset
|
73 #define N_(msgid) msgid |
| 2273 | 74 |
| 5 | 75 #ifndef _POSIX_VERSION |
| 76 struct passwd *getpwnam (); | |
| 77 struct group *getgrnam (); | |
| 78 struct group *getgrgid (); | |
| 79 #endif | |
| 80 | |
|
499
62aa0b766a11
[HAVE_ENDGRENT]: Define away endgrent.
Jim Meyering <jim@meyering.net>
parents:
475
diff
changeset
|
81 #ifndef HAVE_ENDGRENT |
|
62aa0b766a11
[HAVE_ENDGRENT]: Define away endgrent.
Jim Meyering <jim@meyering.net>
parents:
475
diff
changeset
|
82 # define endgrent() ((void) 0) |
|
62aa0b766a11
[HAVE_ENDGRENT]: Define away endgrent.
Jim Meyering <jim@meyering.net>
parents:
475
diff
changeset
|
83 #endif |
|
62aa0b766a11
[HAVE_ENDGRENT]: Define away endgrent.
Jim Meyering <jim@meyering.net>
parents:
475
diff
changeset
|
84 |
|
62aa0b766a11
[HAVE_ENDGRENT]: Define away endgrent.
Jim Meyering <jim@meyering.net>
parents:
475
diff
changeset
|
85 #ifndef HAVE_ENDPWENT |
|
62aa0b766a11
[HAVE_ENDGRENT]: Define away endgrent.
Jim Meyering <jim@meyering.net>
parents:
475
diff
changeset
|
86 # define endpwent() ((void) 0) |
| 5 | 87 #endif |
| 88 | |
| 2854 | 89 #ifndef CHAR_BIT |
| 90 # define CHAR_BIT 8 | |
| 91 #endif | |
| 92 | |
| 93 /* The extra casts work around common compiler bugs. */ | |
| 94 #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) | |
| 95 /* The outer cast is needed to work around a bug in Cray C 5.0.3.0. | |
| 96 It is necessary at least when t == time_t. */ | |
| 97 #define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \ | |
| 98 ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0)) | |
| 99 #define TYPE_MAXIMUM(t) ((t) (~ (t) 0 - TYPE_MINIMUM (t))) | |
| 100 | |
| 101 #ifndef UID_T_MAX | |
| 102 # define UID_T_MAX TYPE_MAXIMUM (uid_t) | |
| 103 #endif | |
| 104 | |
| 105 #ifndef GID_T_MAX | |
| 106 # define GID_T_MAX TYPE_MAXIMUM (gid_t) | |
| 107 #endif | |
| 108 | |
| 109 /* MAXUID may come from limits.h or sys/params.h. */ | |
| 110 #ifndef MAXUID | |
| 111 # define MAXUID UID_T_MAX | |
| 112 #endif | |
| 113 #ifndef MAXGID | |
| 114 # define MAXGID GID_T_MAX | |
| 115 #endif | |
| 116 | |
| 230 | 117 /* Perform the equivalent of the statement `dest = strdup (src);', |
| 118 but obtaining storage via alloca instead of from the heap. */ | |
| 119 | |
| 120 #define V_STRDUP(dest, src) \ | |
| 121 do \ | |
| 122 { \ | |
| 123 int _len = strlen ((src)); \ | |
| 124 (dest) = (char *) alloca (_len + 1); \ | |
| 125 strcpy (dest, src); \ | |
| 126 } \ | |
| 127 while (0) | |
| 128 | |
| 2271 | 129 /* ISDIGIT differs from isdigit, as follows: |
| 130 - Its arg may be any int or unsigned int; it need not be an unsigned char. | |
| 131 - It's guaranteed to evaluate its argument exactly once. | |
| 132 - It's typically faster. | |
| 3699 | 133 POSIX says that only '0' through '9' are digits. Prefer ISDIGIT to |
| 134 ISDIGIT_LOCALE unless it's important to use the locale's definition | |
| 135 of `digit' even when the host does not conform to POSIX. */ | |
| 2271 | 136 #define ISDIGIT(c) ((unsigned) (c) - '0' <= 9) |
| 5 | 137 |
|
1347
e7dc6e5a3be5
Don't declare strdup if it's defined as a macro.
Jim Meyering <jim@meyering.net>
parents:
1278
diff
changeset
|
138 #ifndef strdup |
| 5 | 139 char *strdup (); |
|
1347
e7dc6e5a3be5
Don't declare strdup if it's defined as a macro.
Jim Meyering <jim@meyering.net>
parents:
1278
diff
changeset
|
140 #endif |
| 194 | 141 |
| 142 /* Return nonzero if STR represents an unsigned decimal integer, | |
| 143 otherwise return 0. */ | |
| 144 | |
| 145 static int | |
| 1557 | 146 is_number (const char *str) |
| 194 | 147 { |
| 148 for (; *str; str++) | |
| 2271 | 149 if (!ISDIGIT (*str)) |
| 194 | 150 return 0; |
| 151 return 1; | |
| 152 } | |
| 5 | 153 |
| 154 /* Extract from NAME, which has the form "[user][:.][group]", | |
| 155 a USERNAME, UID U, GROUPNAME, and GID G. | |
| 156 Either user or group, or both, must be present. | |
|
2284
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
157 If the group is omitted but the ":" separator is given, |
| 5 | 158 use the given user's login group. |
|
2284
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
159 If SPEC_ARG contains a `:', then use that as the separator, ignoring |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
160 any `.'s. If there is no `:', but there is a `.', then first look |
| 3049 | 161 up the entire SPEC_ARG as a login name. If that look-up fails, then |
| 162 try again interpreting the `.' as a separator. | |
| 5 | 163 |
| 164 USERNAME and GROUPNAME will be in newly malloc'd memory. | |
| 165 Either one might be NULL instead, indicating that it was not | |
| 166 given and the corresponding numeric ID was left unchanged. | |
| 167 | |
| 168 Return NULL if successful, a static error message string if not. */ | |
| 169 | |
| 194 | 170 const char * |
| 1580 | 171 parse_user_spec (const char *spec_arg, uid_t *uid, gid_t *gid, |
| 172 char **username_arg, char **groupname_arg) | |
| 5 | 173 { |
| 2273 | 174 static const char *E_invalid_user = N_("invalid user"); |
| 175 static const char *E_invalid_group = N_("invalid group"); | |
| 176 static const char *E_bad_spec = | |
| 177 N_("cannot get the login group of a numeric UID"); | |
| 178 static const char *E_cannot_omit_both = | |
| 179 N_("cannot omit both user and group"); | |
| 180 | |
| 194 | 181 const char *error_msg; |
| 182 char *spec; /* A copy we can write on. */ | |
| 5 | 183 struct passwd *pwd; |
| 184 struct group *grp; | |
| 194 | 185 char *g, *u, *separator; |
| 230 | 186 char *groupname; |
|
2284
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
187 int maybe_retry = 0; |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
188 char *dot = NULL; |
| 5 | 189 |
| 194 | 190 error_msg = NULL; |
| 230 | 191 *username_arg = *groupname_arg = NULL; |
| 192 groupname = NULL; | |
| 5 | 193 |
| 231 | 194 V_STRDUP (spec, spec_arg); |
| 194 | 195 |
|
2284
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
196 /* Find the POSIX `:' separator if there is one. */ |
|
432
a56993d69333
(parse_user_spec): Use strchr, not index.
Jim Meyering <jim@meyering.net>
parents:
316
diff
changeset
|
197 separator = strchr (spec, ':'); |
| 2273 | 198 |
|
2284
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
199 /* If there is no colon, then see if there's a `.'. */ |
| 194 | 200 if (separator == NULL) |
|
2284
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
201 { |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
202 dot = strchr (spec, '.'); |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
203 /* If there's no colon but there is a `.', then first look up the |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
204 whole spec, in case it's an OWNER name that includes a dot. |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
205 If that fails, then we'll try again, but interpreting the `.' |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
206 as a separator. */ |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
207 /* FIXME: accepting `.' as the separator is contrary to POSIX. |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
208 someday we should drop support for this. */ |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
209 if (dot) |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
210 maybe_retry = 1; |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
211 } |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
212 |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
213 retry: |
| 194 | 214 |
| 215 /* Replace separator with a NUL. */ | |
| 216 if (separator != NULL) | |
| 217 *separator = '\0'; | |
| 218 | |
| 219 /* Set U and G to non-zero length strings corresponding to user and | |
| 220 group specifiers or to NULL. */ | |
| 221 u = (*spec == '\0' ? NULL : spec); | |
| 222 | |
| 223 g = (separator == NULL || *(separator + 1) == '\0' | |
| 224 ? NULL | |
| 225 : separator + 1); | |
| 226 | |
| 227 if (u == NULL && g == NULL) | |
| 2273 | 228 return _(E_cannot_omit_both); |
| 194 | 229 |
|
1260
7aff74949325
(parse_user_spec) [__DJGPP__]: Make function know
Jim Meyering <jim@meyering.net>
parents:
966
diff
changeset
|
230 #ifdef __DJGPP__ |
|
7aff74949325
(parse_user_spec) [__DJGPP__]: Make function know
Jim Meyering <jim@meyering.net>
parents:
966
diff
changeset
|
231 /* Pretend that we are the user U whose group is G. This makes |
|
7aff74949325
(parse_user_spec) [__DJGPP__]: Make function know
Jim Meyering <jim@meyering.net>
parents:
966
diff
changeset
|
232 pwd and grp functions ``know'' about the UID and GID of these. */ |
|
7aff74949325
(parse_user_spec) [__DJGPP__]: Make function know
Jim Meyering <jim@meyering.net>
parents:
966
diff
changeset
|
233 if (u && !is_number (u)) |
|
7aff74949325
(parse_user_spec) [__DJGPP__]: Make function know
Jim Meyering <jim@meyering.net>
parents:
966
diff
changeset
|
234 setenv ("USER", u, 1); |
|
7aff74949325
(parse_user_spec) [__DJGPP__]: Make function know
Jim Meyering <jim@meyering.net>
parents:
966
diff
changeset
|
235 if (g && !is_number (g)) |
|
7aff74949325
(parse_user_spec) [__DJGPP__]: Make function know
Jim Meyering <jim@meyering.net>
parents:
966
diff
changeset
|
236 setenv ("GROUP", g, 1); |
|
7aff74949325
(parse_user_spec) [__DJGPP__]: Make function know
Jim Meyering <jim@meyering.net>
parents:
966
diff
changeset
|
237 #endif |
|
7aff74949325
(parse_user_spec) [__DJGPP__]: Make function know
Jim Meyering <jim@meyering.net>
parents:
966
diff
changeset
|
238 |
| 194 | 239 if (u != NULL) |
| 5 | 240 { |
| 194 | 241 pwd = getpwnam (u); |
| 242 if (pwd == NULL) | |
| 5 | 243 { |
| 194 | 244 |
|
475
7e3e0dd559c7
(isnumber): Rename to is_number.
Jim Meyering <jim@meyering.net>
parents:
432
diff
changeset
|
245 if (!is_number (u)) |
|
2810
aff553209434
(same_name): Invoke xalloc_die instead of printing our own message.
Jim Meyering <jim@meyering.net>
parents:
2284
diff
changeset
|
246 error_msg = E_invalid_user; |
| 5 | 247 else |
| 194 | 248 { |
| 249 int use_login_group; | |
| 250 use_login_group = (separator != NULL && g == NULL); | |
| 251 if (use_login_group) | |
|
2810
aff553209434
(same_name): Invoke xalloc_die instead of printing our own message.
Jim Meyering <jim@meyering.net>
parents:
2284
diff
changeset
|
252 error_msg = E_bad_spec; |
| 194 | 253 else |
|
2272
9d6da67904b5
add FIXME comments for use of atoi
Jim Meyering <jim@meyering.net>
parents:
2271
diff
changeset
|
254 { |
| 2854 | 255 unsigned long int tmp_long; |
| 256 if (xstrtoul (u, NULL, 0, &tmp_long, NULL) != LONGINT_OK | |
| 257 || tmp_long > MAXUID) | |
| 258 return _(E_invalid_user); | |
| 259 *uid = tmp_long; | |
|
2272
9d6da67904b5
add FIXME comments for use of atoi
Jim Meyering <jim@meyering.net>
parents:
2271
diff
changeset
|
260 } |
| 194 | 261 } |
| 5 | 262 } |
| 263 else | |
| 264 { | |
| 194 | 265 *uid = pwd->pw_uid; |
| 266 if (g == NULL && separator != NULL) | |
| 5 | 267 { |
| 194 | 268 /* A separator was given, but a group was not specified, |
| 269 so get the login group. */ | |
| 270 *gid = pwd->pw_gid; | |
| 271 grp = getgrgid (pwd->pw_gid); | |
| 272 if (grp == NULL) | |
| 273 { | |
| 274 /* This is enough room to hold the unsigned decimal | |
| 275 representation of any 32-bit quantity and the trailing | |
| 276 zero byte. */ | |
| 277 char uint_buf[21]; | |
| 278 sprintf (uint_buf, "%u", (unsigned) (pwd->pw_gid)); | |
| 230 | 279 V_STRDUP (groupname, uint_buf); |
| 194 | 280 } |
| 281 else | |
| 282 { | |
| 230 | 283 V_STRDUP (groupname, grp->gr_name); |
| 194 | 284 } |
| 285 endgrent (); | |
| 5 | 286 } |
| 194 | 287 } |
| 288 endpwent (); | |
| 5 | 289 } |
| 290 | |
| 195 | 291 if (g != NULL && error_msg == NULL) |
| 194 | 292 { |
| 293 /* Explicit group. */ | |
| 294 grp = getgrnam (g); | |
| 295 if (grp == NULL) | |
| 296 { | |
|
475
7e3e0dd559c7
(isnumber): Rename to is_number.
Jim Meyering <jim@meyering.net>
parents:
432
diff
changeset
|
297 if (!is_number (g)) |
|
2810
aff553209434
(same_name): Invoke xalloc_die instead of printing our own message.
Jim Meyering <jim@meyering.net>
parents:
2284
diff
changeset
|
298 error_msg = E_invalid_group; |
| 194 | 299 else |
|
2272
9d6da67904b5
add FIXME comments for use of atoi
Jim Meyering <jim@meyering.net>
parents:
2271
diff
changeset
|
300 { |
| 2854 | 301 unsigned long int tmp_long; |
|
3050
aaaab011fac4
This bug had a serious impact on chown: `chown N:M FILE' (for integer
Jim Meyering <jim@meyering.net>
parents:
3049
diff
changeset
|
302 if (xstrtoul (g, NULL, 0, &tmp_long, NULL) != LONGINT_OK |
| 2854 | 303 || tmp_long > MAXGID) |
| 304 return _(E_invalid_group); | |
| 305 *gid = tmp_long; | |
|
2272
9d6da67904b5
add FIXME comments for use of atoi
Jim Meyering <jim@meyering.net>
parents:
2271
diff
changeset
|
306 } |
| 194 | 307 } |
| 308 else | |
| 309 *gid = grp->gr_gid; | |
| 310 endgrent (); /* Save a file descriptor. */ | |
| 5 | 311 |
| 194 | 312 if (error_msg == NULL) |
| 230 | 313 V_STRDUP (groupname, g); |
| 5 | 314 } |
| 194 | 315 |
| 230 | 316 if (error_msg == NULL) |
| 5 | 317 { |
| 230 | 318 if (u != NULL) |
| 319 { | |
| 320 *username_arg = strdup (u); | |
| 321 if (*username_arg == NULL) | |
|
2810
aff553209434
(same_name): Invoke xalloc_die instead of printing our own message.
Jim Meyering <jim@meyering.net>
parents:
2284
diff
changeset
|
322 error_msg = xalloc_msg_memory_exhausted; |
| 230 | 323 } |
| 324 | |
| 325 if (groupname != NULL && error_msg == NULL) | |
| 5 | 326 { |
| 230 | 327 *groupname_arg = strdup (groupname); |
| 328 if (*groupname_arg == NULL) | |
| 329 { | |
| 330 if (*username_arg != NULL) | |
| 331 { | |
| 332 free (*username_arg); | |
| 333 *username_arg = NULL; | |
| 334 } | |
|
2810
aff553209434
(same_name): Invoke xalloc_die instead of printing our own message.
Jim Meyering <jim@meyering.net>
parents:
2284
diff
changeset
|
335 error_msg = xalloc_msg_memory_exhausted; |
| 230 | 336 } |
| 5 | 337 } |
| 338 } | |
| 194 | 339 |
|
2284
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
340 if (error_msg && maybe_retry) |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
341 { |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
342 maybe_retry = 0; |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
343 separator = dot; |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
344 error_msg = NULL; |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
345 goto retry; |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
346 } |
|
ce1bca7b77d5
(parse_user_spec): If there is no `:' but there is a `.',
Jim Meyering <jim@meyering.net>
parents:
2273
diff
changeset
|
347 |
|
2810
aff553209434
(same_name): Invoke xalloc_die instead of printing our own message.
Jim Meyering <jim@meyering.net>
parents:
2284
diff
changeset
|
348 return _(error_msg); |
| 5 | 349 } |
| 350 | |
|
232
0d9395790eb7
(main): Change #ifdef TESTING to TEST.
Jim Meyering <jim@meyering.net>
parents:
231
diff
changeset
|
351 #ifdef TEST |
| 194 | 352 |
| 966 | 353 # define NULL_CHECK(s) ((s) == NULL ? "(null)" : (s)) |
| 194 | 354 |
| 355 int | |
| 356 main (int argc, char **argv) | |
| 357 { | |
| 358 int i; | |
| 359 | |
| 360 for (i = 1; i < argc; i++) | |
| 361 { | |
| 362 const char *e; | |
| 363 char *username, *groupname; | |
| 364 uid_t uid; | |
| 365 gid_t gid; | |
| 366 char *tmp; | |
| 5 | 367 |
| 194 | 368 tmp = strdup (argv[i]); |
| 369 e = parse_user_spec (tmp, &uid, &gid, &username, &groupname); | |
| 370 free (tmp); | |
| 371 printf ("%s: %u %u %s %s %s\n", | |
| 372 argv[i], | |
| 373 (unsigned int) uid, | |
| 374 (unsigned int) gid, | |
| 375 NULL_CHECK (username), | |
| 376 NULL_CHECK (groupname), | |
| 377 NULL_CHECK (e)); | |
| 378 } | |
| 379 | |
| 380 exit (0); | |
| 5 | 381 } |
| 194 | 382 |
| 383 #endif |