bed98ff9 |
1 | #include "httpd.h" |
2 | #include "http_config.h" |
7193eb01 |
3 | #include "http_conf_globals.h" |
bed98ff9 |
4 | #include "http_log.h" |
7193eb01 |
5 | #include "http_protocol.h" |
6 | #include "http_request.h" |
7 | #include "http_core.h" |
bed98ff9 |
8 | #include "ap_config.h" |
4e1ae1cd |
9 | #include <krb5.h> |
bed98ff9 |
10 | |
7193eb01 |
11 | #if defined(sun) |
bed98ff9 |
12 | #include <sys/ioccom.h> |
7193eb01 |
13 | #endif /* sun */ |
bed98ff9 |
14 | #include <stropts.h> |
bed98ff9 |
15 | #include <afs/venus.h> |
7193eb01 |
16 | #include <afs/auth.h> |
17 | #include <rx/rxkad.h> |
18 | |
58bbdc54 |
19 | #define KEYTAB "/home/drh/keytab.umweb.drhtest" |
20 | #define KEYTAB_PRINCIPAL "umweb/drhtest" |
4e1ae1cd |
21 | |
58bbdc54 |
22 | #define TKT_LIFE 10*60*60 |
23 | #define SLEEP_TIME 5*60 /* should be TKT_LIFE */ |
24 | |
25 | #define AFS_CELL "umich.edu" /* NB: lower case */ |
26 | |
27 | #define K5PATH "FILE:/tmp/waklog.creds.k5" |
28 | #define K4PATH "/tmp/waklog.creds.k4" |
7193eb01 |
29 | |
313dde40 |
30 | module waklog_module; |
bed98ff9 |
31 | |
32 | struct ClearToken { |
33 | long AuthHandle; |
34 | char HandShakeKey[ 8 ]; |
35 | long ViceId; |
36 | long BeginTimestamp; |
37 | long EndTimestamp; |
38 | }; |
39 | |
313dde40 |
40 | typedef struct { |
4e1ae1cd |
41 | int configured; |
42 | int protect; |
43 | char *keytab; |
7193eb01 |
44 | char *keytab_principal; |
403921ef |
45 | char *afs_cell; |
313dde40 |
46 | } waklog_host_config; |
47 | |
7193eb01 |
48 | typedef struct { |
49 | struct ktc_token token; |
50 | } waklog_child_config; |
58bbdc54 |
51 | waklog_child_config child; |
52 | |
e21f34f0 |
53 | |
313dde40 |
54 | static void * |
55 | waklog_create_server_config( pool *p, server_rec *s ) |
56 | { |
57 | waklog_host_config *cfg; |
58 | |
59 | cfg = (waklog_host_config *)ap_pcalloc( p, sizeof( waklog_host_config )); |
60 | cfg->configured = 0; |
61 | cfg->protect = 0; |
58bbdc54 |
62 | cfg->keytab = KEYTAB; |
63 | cfg->keytab_principal = KEYTAB_PRINCIPAL; |
64 | cfg->afs_cell = AFS_CELL; |
313dde40 |
65 | |
66 | return( cfg ); |
67 | } |
68 | |
69 | |
313dde40 |
70 | static const char * |
71 | set_waklog_protect( cmd_parms *params, void *mconfig, int flag ) |
72 | { |
73 | waklog_host_config *cfg; |
74 | |
75 | if ( params->path == NULL ) { |
76 | cfg = (waklog_host_config *) ap_get_module_config( |
77 | params->server->module_config, &waklog_module ); |
78 | } else { |
79 | cfg = (waklog_host_config *)mconfig; |
80 | } |
81 | |
82 | cfg->protect = flag; |
83 | cfg->configured = 1; |
84 | return( NULL ); |
85 | } |
86 | |
87 | |
4e1ae1cd |
88 | static const char * |
89 | set_waklog_use_keytab( cmd_parms *params, void *mconfig, char *file ) |
90 | { |
91 | waklog_host_config *cfg; |
92 | |
93 | if ( params->path == NULL ) { |
94 | cfg = (waklog_host_config *) ap_get_module_config( |
95 | params->server->module_config, &waklog_module ); |
96 | } else { |
97 | cfg = (waklog_host_config *)mconfig; |
98 | } |
99 | |
3ed1e28a |
100 | ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server, |
101 | "mod_waklog: using keytab: %s", file ); |
102 | |
4e1ae1cd |
103 | cfg->keytab = file; |
104 | cfg->configured = 1; |
105 | return( NULL ); |
106 | } |
107 | |
108 | |
58bbdc54 |
109 | static const char * |
110 | set_waklog_use_keytab_principal( cmd_parms *params, void *mconfig, char *file ) |
b74fad73 |
111 | { |
58bbdc54 |
112 | waklog_host_config *cfg; |
7193eb01 |
113 | |
58bbdc54 |
114 | if ( params->path == NULL ) { |
115 | cfg = (waklog_host_config *) ap_get_module_config( |
116 | params->server->module_config, &waklog_module ); |
117 | } else { |
118 | cfg = (waklog_host_config *)mconfig; |
7193eb01 |
119 | } |
120 | |
58bbdc54 |
121 | ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server, |
122 | "mod_waklog: using keytab_principal: %s", file ); |
123 | |
124 | cfg->keytab_principal = file; |
125 | cfg->configured = 1; |
126 | return( NULL ); |
127 | } |
128 | |
129 | |
130 | static const char * |
131 | set_waklog_use_afs_cell( cmd_parms *params, void *mconfig, char *file ) |
132 | { |
133 | waklog_host_config *cfg; |
134 | |
135 | if ( params->path == NULL ) { |
136 | cfg = (waklog_host_config *) ap_get_module_config( |
137 | params->server->module_config, &waklog_module ); |
138 | } else { |
139 | cfg = (waklog_host_config *)mconfig; |
140 | } |
141 | |
142 | ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server, |
143 | "mod_waklog: using afs_cell: %s", file ); |
144 | |
145 | cfg->afs_cell = file; |
146 | cfg->configured = 1; |
147 | return( NULL ); |
148 | } |
149 | |
150 | |
151 | static void |
152 | waklog_child_init( server_rec *s, pool *p ) |
153 | { |
154 | |
155 | memset( &child.token, 0, sizeof( struct ktc_token ) ); |
7193eb01 |
156 | |
b74fad73 |
157 | setpag(); |
7193eb01 |
158 | |
b74fad73 |
159 | return; |
160 | } |
161 | |
162 | |
313dde40 |
163 | command_rec waklog_cmds[ ] = |
164 | { |
165 | { "WaklogProtected", set_waklog_protect, |
166 | NULL, RSRC_CONF | ACCESS_CONF, FLAG, |
167 | "enable waklog on a location or directory basis" }, |
168 | |
58bbdc54 |
169 | { "WaklogUseKeytabPath", set_waklog_use_keytab, |
170 | NULL, RSRC_CONF, TAKE1, |
171 | "Use the supplied keytab rather than the default" }, |
172 | |
173 | { "WaklogUseKeytabPrincipal", set_waklog_use_keytab_principal, |
174 | NULL, RSRC_CONF, TAKE1, |
175 | "Use the supplied keytab principal rather than the default" }, |
176 | |
177 | { "WaklogUseAFSCell", set_waklog_use_afs_cell, |
4e1ae1cd |
178 | NULL, RSRC_CONF, TAKE1, |
58bbdc54 |
179 | "Use the supplied AFS cell rather than the default" }, |
4e1ae1cd |
180 | |
313dde40 |
181 | { NULL } |
182 | }; |
183 | |
184 | |
bed98ff9 |
185 | static void |
e2df6441 |
186 | token_cleanup( void *data ) |
bed98ff9 |
187 | { |
188 | request_rec *r = (request_rec *)data; |
bed98ff9 |
189 | |
58bbdc54 |
190 | if ( child.token.ticketLen ) { |
191 | memset( &child.token, 0, sizeof( struct ktc_token ) ); |
bed98ff9 |
192 | |
7193eb01 |
193 | ktc_ForgetAllTokens(); |
bed98ff9 |
194 | |
7193eb01 |
195 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
58bbdc54 |
196 | "mod_waklog: ktc_ForgetAllTokens succeeded: pid: %d", getpid() ); |
7193eb01 |
197 | } |
b74fad73 |
198 | return; |
bed98ff9 |
199 | } |
200 | |
201 | |
4e1ae1cd |
202 | static int |
e2df6441 |
203 | waklog_kinit( server_rec *s ) |
4e1ae1cd |
204 | { |
205 | krb5_error_code kerror; |
e2df6441 |
206 | krb5_context kcontext = NULL; |
207 | krb5_principal kprinc = NULL; |
4e1ae1cd |
208 | krb5_get_init_creds_opt kopts; |
7193eb01 |
209 | krb5_creds v5creds; |
e2df6441 |
210 | krb5_ccache kccache = NULL; |
211 | krb5_keytab keytab = NULL; |
4e1ae1cd |
212 | char ktbuf[ MAX_KEYTAB_NAME_LEN + 1 ]; |
e21f34f0 |
213 | waklog_host_config *cfg; |
4e1ae1cd |
214 | |
e21f34f0 |
215 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s, |
e2df6441 |
216 | "mod_waklog: waklog_kinit called" ); |
4e1ae1cd |
217 | |
58bbdc54 |
218 | cfg = (waklog_host_config *) ap_get_module_config( s->module_config, |
219 | &waklog_module ); |
220 | |
e21f34f0 |
221 | if (( kerror = krb5_init_context( &kcontext ))) { |
222 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
223 | (char *)error_message( kerror )); |
4e1ae1cd |
224 | |
e2df6441 |
225 | goto cleanup; |
e21f34f0 |
226 | } |
4e1ae1cd |
227 | |
e21f34f0 |
228 | /* use the path */ |
229 | if (( kerror = krb5_cc_resolve( kcontext, K5PATH, &kccache )) != 0 ) { |
230 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
231 | (char *)error_message( kerror )); |
4e1ae1cd |
232 | |
e2df6441 |
233 | goto cleanup; |
e21f34f0 |
234 | } |
4e1ae1cd |
235 | |
58bbdc54 |
236 | if (( kerror = krb5_parse_name( kcontext, cfg->keytab_principal, &kprinc ))) { |
e21f34f0 |
237 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
238 | (char *)error_message( kerror )); |
7193eb01 |
239 | |
e2df6441 |
240 | goto cleanup; |
e21f34f0 |
241 | } |
7193eb01 |
242 | |
e21f34f0 |
243 | krb5_get_init_creds_opt_init( &kopts ); |
58bbdc54 |
244 | krb5_get_init_creds_opt_set_tkt_life( &kopts, TKT_LIFE ); |
e21f34f0 |
245 | krb5_get_init_creds_opt_set_renew_life( &kopts, 0 ); |
246 | krb5_get_init_creds_opt_set_forwardable( &kopts, 1 ); |
247 | krb5_get_init_creds_opt_set_proxiable( &kopts, 0 ); |
7193eb01 |
248 | |
58bbdc54 |
249 | /* keytab from config */ |
250 | strncpy( ktbuf, cfg->keytab, sizeof( ktbuf ) - 1 ); |
7193eb01 |
251 | |
e21f34f0 |
252 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s, |
e2df6441 |
253 | "mod_waklog: waklog_kinit using: %s", ktbuf ); |
7193eb01 |
254 | |
e21f34f0 |
255 | if (( kerror = krb5_kt_resolve( kcontext, ktbuf, &keytab )) != 0 ) { |
256 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
257 | (char *)error_message( kerror )); |
7193eb01 |
258 | |
e2df6441 |
259 | goto cleanup; |
e21f34f0 |
260 | } |
7193eb01 |
261 | |
e21f34f0 |
262 | /* get the krbtgt */ |
263 | if (( kerror = krb5_get_init_creds_keytab( kcontext, &v5creds, |
403921ef |
264 | kprinc, keytab, 0, NULL, &kopts ))) { |
7193eb01 |
265 | |
e21f34f0 |
266 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
267 | (char *)error_message( kerror )); |
7193eb01 |
268 | |
e2df6441 |
269 | goto cleanup; |
e21f34f0 |
270 | } |
7193eb01 |
271 | |
e21f34f0 |
272 | if (( kerror = krb5_verify_init_creds( kcontext, &v5creds, |
273 | kprinc, keytab, NULL, NULL )) != 0 ) { |
7193eb01 |
274 | |
e21f34f0 |
275 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
276 | (char *)error_message( kerror )); |
7193eb01 |
277 | |
e2df6441 |
278 | goto cleanup; |
e21f34f0 |
279 | } |
7193eb01 |
280 | |
e21f34f0 |
281 | if (( kerror = krb5_cc_initialize( kcontext, kccache, kprinc )) != 0 ) { |
282 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
283 | (char *)error_message( kerror )); |
7193eb01 |
284 | |
e2df6441 |
285 | goto cleanup; |
e21f34f0 |
286 | } |
7193eb01 |
287 | |
e2df6441 |
288 | kerror = krb5_cc_store_cred( kcontext, kccache, &v5creds ); |
289 | krb5_free_cred_contents( kcontext, &v5creds ); |
290 | if ( kerror != 0 ) { |
e21f34f0 |
291 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
292 | (char *)error_message( kerror )); |
7193eb01 |
293 | |
e2df6441 |
294 | goto cleanup; |
e21f34f0 |
295 | } |
7193eb01 |
296 | |
e21f34f0 |
297 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s, |
e2df6441 |
298 | "mod_waklog: waklog_kinit success" ); |
299 | |
300 | cleanup: |
301 | if ( keytab ) |
302 | (void)krb5_kt_close( kcontext, keytab ); |
303 | if ( kprinc ) |
304 | krb5_free_principal( kcontext, kprinc ); |
305 | if ( kccache ) |
306 | krb5_cc_close( kcontext, kccache ); |
307 | if ( kcontext ) |
308 | krb5_free_context( kcontext ); |
e21f34f0 |
309 | |
310 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s, |
e2df6441 |
311 | "mod_waklog: waklog_kinit: exiting" ); |
7193eb01 |
312 | |
313 | return( 0 ); |
314 | } |
315 | |
316 | |
317 | static void |
318 | waklog_aklog( request_rec *r ) |
319 | { |
320 | int rc; |
58bbdc54 |
321 | char buf[ 2048 ]; |
7193eb01 |
322 | const char *k4path = NULL; |
323 | const char *k5path = NULL; |
324 | krb5_error_code kerror; |
e2df6441 |
325 | krb5_context kcontext = NULL; |
7193eb01 |
326 | krb5_creds increds; |
327 | krb5_creds *v5credsp = NULL; |
e2df6441 |
328 | krb5_ccache kccache = NULL; |
403921ef |
329 | struct ktc_principal server = { "afs", "", "" }; |
7193eb01 |
330 | struct ktc_principal client; |
331 | struct ktc_token token; |
403921ef |
332 | waklog_host_config *cfg; |
58bbdc54 |
333 | int buflen; |
7193eb01 |
334 | |
335 | k5path = ap_table_get( r->subprocess_env, "KRB5CCNAME" ); |
336 | k4path = ap_table_get( r->subprocess_env, "KRBTKFILE" ); |
337 | |
338 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
339 | "mod_waklog: waklog_aklog called: k5path: %s, k4path: %s", k5path, k4path ); |
340 | |
341 | if ( !k5path || !k4path ) { |
342 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
343 | "mod_waklog: waklog_aklog giving up" ); |
e2df6441 |
344 | goto cleanup; |
4e1ae1cd |
345 | } |
346 | |
7193eb01 |
347 | /* |
348 | ** Get/build creds from file/tgs, then see if we need to SetToken |
349 | */ |
350 | |
351 | if (( kerror = krb5_init_context( &kcontext ))) { |
352 | /* Authentication Required ( kerberos error ) */ |
4e1ae1cd |
353 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
354 | (char *)error_message( kerror )); |
7193eb01 |
355 | |
e2df6441 |
356 | goto cleanup; |
4e1ae1cd |
357 | } |
358 | |
7193eb01 |
359 | memset( (char *)&increds, 0, sizeof(increds)); |
4e1ae1cd |
360 | |
403921ef |
361 | cfg = (waklog_host_config *) ap_get_module_config( |
362 | r->server->module_config, &waklog_module ); |
363 | |
364 | /* afs/<cell> or afs */ |
365 | strncpy( buf, "afs", sizeof( buf ) - 1 ); |
58bbdc54 |
366 | if ( strcmp( cfg->afs_cell, AFS_CELL ) ) { |
403921ef |
367 | strncat( buf, "/" , sizeof( buf ) - strlen( buf ) - 1 ); |
368 | strncat( buf, cfg->afs_cell, sizeof( buf ) - strlen( buf ) - 1 ); |
369 | } |
370 | |
7193eb01 |
371 | /* set server part */ |
403921ef |
372 | if (( kerror = krb5_parse_name( kcontext, buf, &increds.server ))) { |
4e1ae1cd |
373 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
374 | (char *)error_message( kerror )); |
375 | |
e2df6441 |
376 | goto cleanup; |
4e1ae1cd |
377 | } |
378 | |
7193eb01 |
379 | if (( kerror = krb5_cc_resolve( kcontext, k5path, &kccache )) != 0 ) { |
380 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
381 | (char *)error_message( kerror )); |
382 | |
e2df6441 |
383 | goto cleanup; |
7193eb01 |
384 | } |
4e1ae1cd |
385 | |
7193eb01 |
386 | /* set client part */ |
387 | krb5_cc_get_principal( kcontext, kccache, &increds.client ); |
4e1ae1cd |
388 | |
7193eb01 |
389 | increds.times.endtime = 0; |
390 | /* Ask for DES since that is what V4 understands */ |
391 | increds.keyblock.enctype = ENCTYPE_DES_CBC_CRC; |
392 | |
393 | /* get the V5 credentials */ |
394 | if (( kerror = krb5_get_credentials( kcontext, 0, kccache, |
395 | &increds, &v5credsp ) ) ) { |
403921ef |
396 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
397 | "mod_waklog: krb5_get_credentials: %s", error_message( kerror )); |
e2df6441 |
398 | goto cleanup; |
4e1ae1cd |
399 | } |
400 | |
58bbdc54 |
401 | /* don't overflor */ |
402 | if ( v5credsp->ticket.length >= 344 ) { /* from krb524d.c */ |
403921ef |
403 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
58bbdc54 |
404 | "mod_waklog: ticket size (%d) to big to fake", v5credsp->ticket.length ); |
e2df6441 |
405 | goto cleanup; |
4e1ae1cd |
406 | } |
407 | |
7193eb01 |
408 | /* assemble the token */ |
58bbdc54 |
409 | memset( &token, 0, sizeof( struct ktc_token ) ); |
410 | |
411 | token.startTime = v5credsp->times.starttime ? v5credsp->times.starttime : v5credsp->times.authtime; |
7193eb01 |
412 | token.endTime = v5credsp->times.endtime; |
58bbdc54 |
413 | memmove( &token.sessionKey, v5credsp->keyblock.contents, v5credsp->keyblock.length ); |
414 | token.kvno = RXKAD_TKT_TYPE_KERBEROS_V5; |
415 | token.ticketLen = v5credsp->ticket.length; |
416 | memmove( token.ticket, v5credsp->ticket.data, token.ticketLen ); |
7193eb01 |
417 | |
58bbdc54 |
418 | /* make sure we have to do this */ |
419 | if ( child.token.kvno != token.kvno || |
420 | child.token.ticketLen != token.ticketLen || |
421 | (memcmp( &child.token.sessionKey, &token.sessionKey, |
422 | sizeof( token.sessionKey ) )) || |
423 | (memcmp( child.token.ticket, token.ticket, token.ticketLen )) ) { |
424 | |
8258901d |
425 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
426 | "mod_waklog: client: %s", buf ); |
7193eb01 |
427 | |
428 | /* build the name */ |
58bbdc54 |
429 | memmove( buf, v5credsp->client->data[0].data, v5credsp->client->data[0].length ); |
430 | buf[ v5credsp->client->data[0].length ] = '\0'; |
431 | if ( v5credsp->client->length > 1 ) { |
8258901d |
432 | strncat( buf, ".", sizeof( buf ) - strlen( buf ) - 1 ); |
58bbdc54 |
433 | buflen = strlen( buf ); |
434 | memmove( buf + buflen, v5credsp->client->data[1].data, v5credsp->client->data[1].length ); |
435 | buf[ buflen + v5credsp->client->data[1].length ] = '\0'; |
7193eb01 |
436 | } |
437 | |
438 | /* assemble the client */ |
403921ef |
439 | strncpy( client.name, buf, sizeof( client.name ) - 1 ); |
440 | strncpy( client.instance, "", sizeof( client.instance) - 1 ); |
58bbdc54 |
441 | memmove( buf, v5credsp->client->realm.data, v5credsp->client->realm.length ); |
442 | buf[ v5credsp->client->realm.length ] = '\0'; |
443 | strncpy( client.cell, buf, sizeof( client.cell ) - 1 ); |
403921ef |
444 | |
58bbdc54 |
445 | /* assemble the server's cell */ |
403921ef |
446 | strncpy( server.cell, cfg->afs_cell , sizeof( server.cell ) - 1 ); |
7193eb01 |
447 | |
448 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
449 | "mod_waklog: server: name=%s, instance=%s, cell=%s", |
450 | server.name, server.instance, server.cell ); |
451 | |
452 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
453 | "mod_waklog: client: name=%s, instance=%s, cell=%s", |
454 | client.name, client.instance, client.cell ); |
455 | |
456 | /* use the path */ |
457 | krb_set_tkt_string( (char *)k4path ); |
458 | |
459 | /* rumor: we have to do this for AIX 4.1.4 with AFS 3.4+ */ |
460 | write( 2, "", 0 ); |
461 | |
462 | if ( ( rc = ktc_SetToken( &server, &token, &client, 0 ) ) ) { |
58bbdc54 |
463 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
7193eb01 |
464 | "mod_waklog: settoken returned %d", rc ); |
58bbdc54 |
465 | goto cleanup; |
7193eb01 |
466 | } |
467 | |
468 | /* save this */ |
58bbdc54 |
469 | memmove( &child.token, &token, sizeof( struct ktc_token ) ); |
7193eb01 |
470 | |
471 | /* we'll need to unlog when this connection is done. */ |
e2df6441 |
472 | ap_register_cleanup( r->pool, (void *)r, token_cleanup, ap_null_cleanup ); |
7193eb01 |
473 | } |
474 | |
e2df6441 |
475 | cleanup: |
476 | if ( v5credsp ) |
477 | krb5_free_cred_contents( kcontext, v5credsp ); |
478 | if ( increds.client ) |
479 | krb5_free_principal( kcontext, increds.client ); |
480 | if ( increds.server ) |
481 | krb5_free_principal( kcontext, increds.server ); |
482 | if ( kccache ) |
483 | krb5_cc_close( kcontext, kccache ); |
484 | if ( kcontext ) |
485 | krb5_free_context( kcontext ); |
3ed1e28a |
486 | |
7193eb01 |
487 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
488 | "mod_waklog: finished with waklog_aklog" ); |
489 | |
e2df6441 |
490 | return; |
491 | |
4e1ae1cd |
492 | } |
493 | |
e21f34f0 |
494 | static int |
495 | waklog_child_routine( void *s, child_info *pinfo ) |
496 | { |
e21f34f0 |
497 | if ( !getuid() ) { |
132ef613 |
498 | ap_log_error( APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, s, |
e21f34f0 |
499 | "mod_waklog: waklog_child_routine called as root" ); |
500 | |
501 | /* this was causing the credential file to get owned by root */ |
502 | setgid(ap_group_id); |
503 | setuid(ap_user_id); |
504 | } |
505 | |
506 | while( 1 ) { |
e2df6441 |
507 | waklog_kinit( s ); |
58bbdc54 |
508 | sleep( SLEEP_TIME ); |
e21f34f0 |
509 | } |
510 | |
511 | } |
512 | |
513 | |
514 | static void |
515 | waklog_init( server_rec *s, pool *p ) |
516 | { |
517 | extern char *version; |
518 | int pid; |
519 | |
520 | ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, s, |
521 | "mod_waklog: version %s initialized.", version ); |
522 | |
523 | pid = ap_bspawn_child( p, waklog_child_routine, s, kill_always, |
524 | NULL, NULL, NULL ); |
525 | |
132ef613 |
526 | ap_log_error( APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, s, |
e21f34f0 |
527 | "mod_waklog: ap_bspawn_child: %d.", pid ); |
528 | } |
529 | |
4e1ae1cd |
530 | |
bed98ff9 |
531 | static int |
7193eb01 |
532 | waklog_phase0( request_rec *r ) |
bed98ff9 |
533 | { |
313dde40 |
534 | waklog_host_config *cfg; |
535 | |
7193eb01 |
536 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
537 | "mod_waklog: phase0 called" ); |
538 | |
313dde40 |
539 | /* directory config? */ |
540 | cfg = (waklog_host_config *)ap_get_module_config( |
541 | r->per_dir_config, &waklog_module); |
bed98ff9 |
542 | |
313dde40 |
543 | /* server config? */ |
544 | if ( !cfg->configured ) { |
7193eb01 |
545 | cfg = (waklog_host_config *)ap_get_module_config( |
546 | r->server->module_config, &waklog_module); |
313dde40 |
547 | } |
548 | |
7193eb01 |
549 | if ( !cfg->protect ) { |
4e1ae1cd |
550 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
7193eb01 |
551 | "mod_waklog: phase0 declining" ); |
552 | return( DECLINED ); |
553 | } |
4e1ae1cd |
554 | |
7193eb01 |
555 | /* do this only if we are still unauthenticated */ |
58bbdc54 |
556 | if ( !child.token.ticketLen ) { |
4e1ae1cd |
557 | |
e21f34f0 |
558 | /* set our environment variables */ |
559 | ap_table_set( r->subprocess_env, "KRB5CCNAME", K5PATH ); |
560 | ap_table_set( r->subprocess_env, "KRBTKFILE", K4PATH ); |
3ed1e28a |
561 | |
7193eb01 |
562 | /* stuff the credentials into the kernel */ |
563 | waklog_aklog( r ); |
4e1ae1cd |
564 | } |
7193eb01 |
565 | |
566 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
567 | "mod_waklog: phase0 returning" ); |
568 | return DECLINED; |
569 | } |
4e1ae1cd |
570 | |
1e18ef7d |
571 | |
7193eb01 |
572 | static int |
573 | waklog_phase7( request_rec *r ) |
574 | { |
575 | waklog_host_config *cfg; |
1e18ef7d |
576 | |
7193eb01 |
577 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
578 | "mod_waklog: phase7 called" ); |
1e18ef7d |
579 | |
7193eb01 |
580 | /* directory config? */ |
581 | cfg = (waklog_host_config *)ap_get_module_config( |
582 | r->per_dir_config, &waklog_module); |
1e18ef7d |
583 | |
7193eb01 |
584 | /* server config? */ |
585 | if ( !cfg->configured ) { |
586 | cfg = (waklog_host_config *)ap_get_module_config( |
587 | r->server->module_config, &waklog_module); |
bed98ff9 |
588 | } |
589 | |
7193eb01 |
590 | if ( !cfg->protect ) { |
591 | return( DECLINED ); |
bed98ff9 |
592 | } |
593 | |
7193eb01 |
594 | /* stuff the credentials into the kernel */ |
595 | waklog_aklog( r ); |
bed98ff9 |
596 | |
7193eb01 |
597 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
598 | "mod_waklog: phase7 returning" ); |
bed98ff9 |
599 | |
7193eb01 |
600 | return DECLINED; |
bed98ff9 |
601 | } |
602 | |
7193eb01 |
603 | static void |
604 | waklog_new_connection( conn_rec *c ) { |
605 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, c->server, |
58bbdc54 |
606 | "mod_waklog: new_connection called: pid: %d", getpid() ); |
7193eb01 |
607 | return; |
608 | } |
bed98ff9 |
609 | |
313dde40 |
610 | module MODULE_VAR_EXPORT waklog_module = { |
bed98ff9 |
611 | STANDARD_MODULE_STUFF, |
003832b1 |
612 | waklog_init, /* module initializer */ |
613 | NULL, /* create per-dir config structures */ |
bed98ff9 |
614 | NULL, /* merge per-dir config structures */ |
313dde40 |
615 | waklog_create_server_config, /* create per-server config structures */ |
bed98ff9 |
616 | NULL, /* merge per-server config structures */ |
313dde40 |
617 | waklog_cmds, /* table of config file commands */ |
bed98ff9 |
618 | NULL, /* [#8] MIME-typed-dispatched handlers */ |
619 | NULL, /* [#1] URI to filename translation */ |
620 | NULL, /* [#4] validate user id from request */ |
621 | NULL, /* [#5] check if the user is ok _here_ */ |
622 | NULL, /* [#3] check access by host address */ |
623 | NULL, /* [#6] determine MIME type */ |
7193eb01 |
624 | waklog_phase7, /* [#7] pre-run fixups */ |
bed98ff9 |
625 | NULL, /* [#9] log a transaction */ |
313dde40 |
626 | NULL, /* [#2] header parser */ |
627 | waklog_child_init, /* child_init */ |
bed98ff9 |
628 | NULL, /* child_exit */ |
7193eb01 |
629 | waklog_phase0 /* [#0] post read-request */ |
bed98ff9 |
630 | #ifdef EAPI |
631 | ,NULL, /* EAPI: add_module */ |
632 | NULL, /* EAPI: remove_module */ |
633 | NULL, /* EAPI: rewrite_command */ |
7193eb01 |
634 | waklog_new_connection /* EAPI: new_connection */ |
bed98ff9 |
635 | #endif |
636 | }; |