]>
Commit | Line | Data |
---|---|---|
6591c335 | 1 | /* Copyright (C) 1991, 1996, 1997, 1998 Free Software Foundation, Inc. |
2303f5fd | 2 | This file is part of the GNU C Library. |
267ca16a | 3 | |
2303f5fd UD |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
267ca16a | 8 | |
2303f5fd UD |
9 | The GNU C Library 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 GNU | |
12 | Library General Public License for more details. | |
267ca16a | 13 | |
2303f5fd UD |
14 | You should have received a copy of the GNU Library General Public |
15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
267ca16a UD |
18 | |
19 | #include <ctype.h> | |
d71b808a | 20 | #include <errno.h> |
267ca16a UD |
21 | #include <stdio.h> |
22 | #include <pwd.h> | |
23 | ||
24 | /* Define a line parsing function using the common code | |
25 | used in the nss_files module. */ | |
26 | ||
27 | #define STRUCTURE passwd | |
28 | #define ENTNAME pwent | |
29 | struct pwent_data {}; | |
30 | ||
d71b808a | 31 | #include <nss/nss_files/files-parse.c> |
267ca16a UD |
32 | LINE_PARSER |
33 | (, | |
34 | STRING_FIELD (result->pw_name, ISCOLON, 0); | |
2303f5fd UD |
35 | if (line[0] == '\0' |
36 | && (result->pw_name[0] == '+' || result->pw_name[0] == '-')) | |
6ed0492f | 37 | { |
2303f5fd UD |
38 | /* This a special case. We allow lines containing only a `+' sign |
39 | since this is used for nss_compat. All other services will | |
40 | reject this entry later. Initialize all other fields now. */ | |
41 | result->pw_passwd = NULL; | |
42 | result->pw_uid = 0; | |
43 | result->pw_gid = 0; | |
44 | result->pw_gecos = NULL; | |
45 | result->pw_dir = NULL; | |
46 | result->pw_shell = NULL; | |
6ed0492f UD |
47 | } |
48 | else | |
49 | { | |
2303f5fd UD |
50 | STRING_FIELD (result->pw_passwd, ISCOLON, 0); |
51 | if (result->pw_name[0] == '+' || result->pw_name[0] == '-') | |
52 | { | |
53 | INT_FIELD_MAYBE_NULL (result->pw_uid, ISCOLON, 0, 10, , 0) | |
54 | INT_FIELD_MAYBE_NULL (result->pw_gid, ISCOLON, 0, 10, , 0) | |
55 | } | |
56 | else | |
57 | { | |
58 | INT_FIELD (result->pw_uid, ISCOLON, 0, 10,) | |
59 | INT_FIELD (result->pw_gid, ISCOLON, 0, 10,) | |
60 | } | |
61 | STRING_FIELD (result->pw_gecos, ISCOLON, 0); | |
62 | STRING_FIELD (result->pw_dir, ISCOLON, 0); | |
63 | result->pw_shell = line; | |
6ed0492f | 64 | } |
267ca16a UD |
65 | ) |
66 | ||
67 | ||
68 | /* Read one entry from the given stream. */ | |
ba1ffaa1 UD |
69 | int |
70 | __fgetpwent_r (FILE *stream, struct passwd *resbuf, char *buffer, | |
71 | size_t buflen, struct passwd **result) | |
267ca16a UD |
72 | { |
73 | char *p; | |
74 | ||
75 | do | |
76 | { | |
31f7410f | 77 | buffer[buflen - 1] = '\xff'; |
267ca16a | 78 | p = fgets (buffer, buflen, stream); |
6591c335 | 79 | if (p == NULL && feof (stream)) |
ba1ffaa1 UD |
80 | { |
81 | *result = NULL; | |
82 | return errno; | |
83 | } | |
31f7410f | 84 | if (p == NULL || buffer[buflen - 1] != '\xff') |
6591c335 UD |
85 | { |
86 | *result = NULL; | |
87 | return errno = ERANGE; | |
88 | } | |
267ca16a UD |
89 | |
90 | /* Skip leading blanks. */ | |
91 | while (isspace (*p)) | |
92 | ++p; | |
93 | } while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */ | |
94 | /* Parse the line. If it is invalid, loop to | |
95 | get the next line of the file to parse. */ | |
7ba4fcfc | 96 | ! parse_line (p, resbuf, (void *) buffer, buflen, &errno)); |
267ca16a | 97 | |
ba1ffaa1 UD |
98 | *result = resbuf; |
99 | return 0; | |
267ca16a UD |
100 | } |
101 | weak_alias (__fgetpwent_r, fgetpwent_r) |