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34816665 | 1 | /* Copyright (C) 1996,1997,1998,2000,2001,2002 Free Software Foundation, Inc. |
6259ec0d | 2 | This file is part of the GNU C Library. |
3b965a7d | 3 | Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996. |
6259ec0d UD |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
6259ec0d UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
6259ec0d | 14 | |
41bdb6e2 AJ |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
6259ec0d UD |
19 | |
20 | #include <nss.h> | |
21 | #include <netdb.h> | |
22 | #include <ctype.h> | |
23 | #include <errno.h> | |
24 | #include <string.h> | |
5107cf1d | 25 | #include <bits/libc-lock.h> |
6259ec0d UD |
26 | #include <rpcsvc/yp.h> |
27 | #include <rpcsvc/ypclnt.h> | |
28 | ||
29 | #include "nss-nis.h" | |
30 | ||
7e3be507 UD |
31 | /* Get the declaration of the parser function. */ |
32 | #define ENTNAME protoent | |
33 | #define EXTERN_PARSER | |
cf29ffbe | 34 | #include <nss/nss_files/files-parse.c> |
7e3be507 | 35 | |
6259ec0d UD |
36 | __libc_lock_define_initialized (static, lock) |
37 | ||
f166d865 UD |
38 | struct response |
39 | { | |
40 | char *val; | |
41 | struct response *next; | |
42 | }; | |
43 | ||
fc9f33e3 UD |
44 | static struct response *start; |
45 | static struct response *next; | |
f166d865 UD |
46 | |
47 | static int | |
cf29ffbe | 48 | saveit (int instatus, char *inkey, int inkeylen, char *inval, |
f166d865 UD |
49 | int invallen, char *indata) |
50 | { | |
51 | if (instatus != YP_TRUE) | |
52 | return instatus; | |
53 | ||
54 | if (inkey && inkeylen > 0 && inval && invallen > 0) | |
55 | { | |
56 | if (start == NULL) | |
57 | { | |
58 | start = malloc (sizeof (struct response)); | |
3b965a7d UD |
59 | if (start == NULL) |
60 | return YP_FALSE; | |
f166d865 UD |
61 | next = start; |
62 | } | |
63 | else | |
64 | { | |
65 | next->next = malloc (sizeof (struct response)); | |
3b965a7d UD |
66 | if (next->next == NULL) |
67 | return YP_FALSE; | |
f166d865 UD |
68 | next = next->next; |
69 | } | |
70 | next->next = NULL; | |
71 | next->val = malloc (invallen + 1); | |
3b965a7d UD |
72 | if (next->val == NULL) |
73 | return YP_FALSE; | |
f166d865 UD |
74 | strncpy (next->val, inval, invallen); |
75 | next->val[invallen] = '\0'; | |
76 | } | |
cf29ffbe | 77 | |
f166d865 UD |
78 | return 0; |
79 | } | |
80 | ||
900bec85 | 81 | static enum nss_status |
f166d865 UD |
82 | internal_nis_setprotoent (void) |
83 | { | |
84 | char *domainname; | |
85 | struct ypall_callback ypcb; | |
0d8733c4 | 86 | enum nss_status status; |
cf29ffbe | 87 | |
f166d865 | 88 | yp_get_default_domain (&domainname); |
cf29ffbe | 89 | |
f166d865 UD |
90 | while (start != NULL) |
91 | { | |
92 | if (start->val != NULL) | |
93 | free (start->val); | |
94 | next = start; | |
95 | start = start->next; | |
96 | free (next); | |
97 | } | |
98 | start = NULL; | |
cf29ffbe | 99 | |
f166d865 UD |
100 | ypcb.foreach = saveit; |
101 | ypcb.data = NULL; | |
0d8733c4 | 102 | status = yperr2nss (yp_all (domainname, "protocols.bynumber", &ypcb)); |
f166d865 | 103 | next = start; |
cf29ffbe | 104 | |
0d8733c4 | 105 | return status; |
f166d865 | 106 | } |
6259ec0d UD |
107 | |
108 | enum nss_status | |
51eecc4a | 109 | _nss_nis_setprotoent (int stayopen) |
6259ec0d | 110 | { |
f166d865 UD |
111 | enum nss_status status; |
112 | ||
6259ec0d UD |
113 | __libc_lock_lock (lock); |
114 | ||
f166d865 | 115 | status = internal_nis_setprotoent (); |
6259ec0d UD |
116 | |
117 | __libc_lock_unlock (lock); | |
118 | ||
f166d865 | 119 | return status; |
6259ec0d UD |
120 | } |
121 | ||
122 | enum nss_status | |
123 | _nss_nis_endprotoent (void) | |
124 | { | |
125 | __libc_lock_lock (lock); | |
126 | ||
f166d865 | 127 | while (start != NULL) |
6259ec0d | 128 | { |
f166d865 UD |
129 | if (start->val != NULL) |
130 | free (start->val); | |
131 | next = start; | |
132 | start = start->next; | |
133 | free (next); | |
6259ec0d | 134 | } |
f166d865 UD |
135 | start = NULL; |
136 | next = NULL; | |
cf29ffbe | 137 | |
6259ec0d | 138 | __libc_lock_unlock (lock); |
cf29ffbe | 139 | |
6259ec0d UD |
140 | return NSS_STATUS_SUCCESS; |
141 | } | |
142 | ||
143 | static enum nss_status | |
144 | internal_nis_getprotoent_r (struct protoent *proto, | |
d71b808a | 145 | char *buffer, size_t buflen, int *errnop) |
6259ec0d | 146 | { |
7e3be507 | 147 | struct parser_data *data = (void *) buffer; |
f166d865 | 148 | int parse_res; |
6259ec0d | 149 | |
f166d865 UD |
150 | if (start == NULL) |
151 | internal_nis_setprotoent (); | |
6259ec0d UD |
152 | |
153 | /* Get the next entry until we found a correct one. */ | |
154 | do | |
155 | { | |
6259ec0d | 156 | char *p; |
cf29ffbe | 157 | |
f166d865 | 158 | if (next == NULL) |
34816665 UD |
159 | return NSS_STATUS_NOTFOUND; |
160 | ||
9756dfe1 | 161 | p = strncpy (buffer, next->val, buflen); |
cf29ffbe | 162 | |
6259ec0d UD |
163 | while (isspace (*p)) |
164 | ++p; | |
6259ec0d | 165 | |
d71b808a UD |
166 | parse_res = _nss_files_parse_protoent (p, proto, data, buflen, errnop); |
167 | if (parse_res == -1) | |
6259ec0d | 168 | return NSS_STATUS_TRYAGAIN; |
60c96635 | 169 | next = next->next; |
6259ec0d UD |
170 | } |
171 | while (!parse_res); | |
d71b808a | 172 | |
6259ec0d UD |
173 | return NSS_STATUS_SUCCESS; |
174 | } | |
175 | ||
176 | enum nss_status | |
d71b808a UD |
177 | _nss_nis_getprotoent_r (struct protoent *proto, char *buffer, size_t buflen, |
178 | int *errnop) | |
6259ec0d UD |
179 | { |
180 | enum nss_status status; | |
181 | ||
182 | __libc_lock_lock (lock); | |
183 | ||
d71b808a | 184 | status = internal_nis_getprotoent_r (proto, buffer, buflen, errnop); |
6259ec0d UD |
185 | |
186 | __libc_lock_unlock (lock); | |
187 | ||
188 | return status; | |
189 | } | |
190 | ||
191 | enum nss_status | |
192 | _nss_nis_getprotobyname_r (const char *name, struct protoent *proto, | |
d71b808a | 193 | char *buffer, size_t buflen, int *errnop) |
6259ec0d | 194 | { |
7e3be507 | 195 | struct parser_data *data = (void *) buffer; |
6259ec0d UD |
196 | enum nss_status retval; |
197 | char *domain, *result, *p; | |
198 | int len, parse_res; | |
199 | ||
200 | if (name == NULL) | |
201 | { | |
ac9f45cf | 202 | *errnop = EINVAL; |
6259ec0d UD |
203 | return NSS_STATUS_UNAVAIL; |
204 | } | |
205 | ||
206 | if (yp_get_default_domain (&domain)) | |
207 | return NSS_STATUS_UNAVAIL; | |
208 | ||
209 | retval = yperr2nss (yp_match (domain, "protocols.byname", name, | |
210 | strlen (name), &result, &len)); | |
211 | ||
212 | if (retval != NSS_STATUS_SUCCESS) | |
213 | { | |
34816665 | 214 | if (retval == NSS_STATUS_TRYAGAIN) |
d71b808a | 215 | *errnop = errno; |
6259ec0d UD |
216 | return retval; |
217 | } | |
218 | ||
f8b87ef0 | 219 | if ((size_t) (len + 1) > buflen) |
6259ec0d UD |
220 | { |
221 | free (result); | |
d71b808a | 222 | *errnop = ERANGE; |
6259ec0d UD |
223 | return NSS_STATUS_TRYAGAIN; |
224 | } | |
225 | ||
226 | p = strncpy (buffer, result, len); | |
227 | buffer[len] = '\0'; | |
228 | while (isspace (*p)) | |
229 | ++p; | |
230 | free (result); | |
231 | ||
d71b808a | 232 | parse_res = _nss_files_parse_protoent (p, proto, data, buflen, errnop); |
ac9f45cf UD |
233 | if (parse_res < 1) |
234 | { | |
235 | if (parse_res == -1) | |
236 | return NSS_STATUS_TRYAGAIN; | |
237 | else | |
34816665 | 238 | return NSS_STATUS_NOTFOUND; |
ac9f45cf UD |
239 | } |
240 | return NSS_STATUS_SUCCESS; | |
6259ec0d UD |
241 | } |
242 | ||
243 | enum nss_status | |
244 | _nss_nis_getprotobynumber_r (int number, struct protoent *proto, | |
d71b808a | 245 | char *buffer, size_t buflen, int *errnop) |
6259ec0d | 246 | { |
7e3be507 | 247 | struct parser_data *data = (void *) buffer; |
6259ec0d UD |
248 | enum nss_status retval; |
249 | char *domain, *result, *p; | |
250 | int len, nlen, parse_res; | |
251 | char buf[32]; | |
252 | ||
253 | if (yp_get_default_domain (&domain)) | |
254 | return NSS_STATUS_UNAVAIL; | |
255 | ||
256 | nlen = sprintf (buf, "%d", number); | |
257 | ||
258 | retval = yperr2nss (yp_match (domain, "protocols.bynumber", buf, | |
259 | nlen, &result, &len)); | |
260 | ||
261 | if (retval != NSS_STATUS_SUCCESS) | |
262 | { | |
34816665 | 263 | if (retval == NSS_STATUS_TRYAGAIN) |
d71b808a | 264 | *errnop = errno; |
6259ec0d UD |
265 | return retval; |
266 | } | |
267 | ||
f8b87ef0 | 268 | if ((size_t) (len + 1) > buflen) |
6259ec0d UD |
269 | { |
270 | free (result); | |
d71b808a | 271 | *errnop = ERANGE; |
6259ec0d UD |
272 | return NSS_STATUS_TRYAGAIN; |
273 | } | |
274 | ||
275 | p = strncpy (buffer, result, len); | |
276 | buffer[len] = '\0'; | |
277 | while (isspace (*p)) | |
278 | ++p; | |
279 | free (result); | |
280 | ||
d71b808a | 281 | parse_res = _nss_files_parse_protoent (p, proto, data, buflen, errnop); |
ac9f45cf UD |
282 | if (parse_res < 1) |
283 | { | |
284 | if (parse_res == -1) | |
285 | return NSS_STATUS_TRYAGAIN; | |
286 | else | |
34816665 | 287 | return NSS_STATUS_NOTFOUND; |
ac9f45cf UD |
288 | } |
289 | return NSS_STATUS_SUCCESS; | |
6259ec0d | 290 | } |