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> |
8258901d |
15 | #if 0 |
bed98ff9 |
16 | #include <kerberosIV/krb.h> |
17 | #include <kerberosIV/des.h> |
8258901d |
18 | #endif /* 0 */ |
bed98ff9 |
19 | #include <afs/venus.h> |
7193eb01 |
20 | #include <afs/auth.h> |
21 | #include <rx/rxkad.h> |
22 | |
8258901d |
23 | #if 0 |
7193eb01 |
24 | #include <asm/bitops.h> |
25 | #include <sys/shm.h> |
8258901d |
26 | #endif /* 0 */ |
bed98ff9 |
27 | |
58bbdc54 |
28 | #define KEYTAB "/home/drh/keytab.umweb.drhtest" |
29 | #define KEYTAB_PRINCIPAL "umweb/drhtest" |
4e1ae1cd |
30 | |
58bbdc54 |
31 | #define TKT_LIFE 10*60*60 |
32 | #define SLEEP_TIME 5*60 /* should be TKT_LIFE */ |
33 | |
34 | #define AFS_CELL "umich.edu" /* NB: lower case */ |
35 | |
36 | #define K5PATH "FILE:/tmp/waklog.creds.k5" |
37 | #define K4PATH "/tmp/waklog.creds.k4" |
7193eb01 |
38 | |
313dde40 |
39 | module waklog_module; |
bed98ff9 |
40 | |
41 | struct ClearToken { |
42 | long AuthHandle; |
43 | char HandShakeKey[ 8 ]; |
44 | long ViceId; |
45 | long BeginTimestamp; |
46 | long EndTimestamp; |
47 | }; |
48 | |
313dde40 |
49 | typedef struct { |
4e1ae1cd |
50 | int configured; |
51 | int protect; |
52 | char *keytab; |
7193eb01 |
53 | char *keytab_principal; |
403921ef |
54 | char *afs_cell; |
313dde40 |
55 | } waklog_host_config; |
56 | |
7193eb01 |
57 | typedef struct { |
58 | struct ktc_token token; |
59 | } waklog_child_config; |
58bbdc54 |
60 | waklog_child_config child; |
61 | |
e21f34f0 |
62 | |
313dde40 |
63 | static void * |
64 | waklog_create_dir_config( pool *p, char *path ) |
65 | { |
66 | waklog_host_config *cfg; |
67 | |
68 | cfg = (waklog_host_config *)ap_pcalloc( p, sizeof( waklog_host_config )); |
69 | cfg->configured = 0; |
70 | cfg->protect = 0; |
58bbdc54 |
71 | cfg->keytab = KEYTAB; |
72 | cfg->keytab_principal = KEYTAB_PRINCIPAL; |
73 | cfg->afs_cell = AFS_CELL; |
313dde40 |
74 | |
75 | return( cfg ); |
76 | } |
77 | |
78 | |
79 | static void * |
80 | waklog_create_server_config( pool *p, server_rec *s ) |
81 | { |
82 | waklog_host_config *cfg; |
83 | |
84 | cfg = (waklog_host_config *)ap_pcalloc( p, sizeof( waklog_host_config )); |
85 | cfg->configured = 0; |
86 | cfg->protect = 0; |
58bbdc54 |
87 | cfg->keytab = KEYTAB; |
88 | cfg->keytab_principal = KEYTAB_PRINCIPAL; |
89 | cfg->afs_cell = AFS_CELL; |
313dde40 |
90 | |
91 | return( cfg ); |
92 | } |
93 | |
94 | |
313dde40 |
95 | static const char * |
96 | set_waklog_protect( cmd_parms *params, void *mconfig, int flag ) |
97 | { |
98 | waklog_host_config *cfg; |
99 | |
100 | if ( params->path == NULL ) { |
101 | cfg = (waklog_host_config *) ap_get_module_config( |
102 | params->server->module_config, &waklog_module ); |
103 | } else { |
104 | cfg = (waklog_host_config *)mconfig; |
105 | } |
106 | |
107 | cfg->protect = flag; |
108 | cfg->configured = 1; |
109 | return( NULL ); |
110 | } |
111 | |
112 | |
4e1ae1cd |
113 | static const char * |
114 | set_waklog_use_keytab( cmd_parms *params, void *mconfig, char *file ) |
115 | { |
116 | waklog_host_config *cfg; |
117 | |
118 | if ( params->path == NULL ) { |
119 | cfg = (waklog_host_config *) ap_get_module_config( |
120 | params->server->module_config, &waklog_module ); |
121 | } else { |
122 | cfg = (waklog_host_config *)mconfig; |
123 | } |
124 | |
3ed1e28a |
125 | ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server, |
126 | "mod_waklog: using keytab: %s", file ); |
127 | |
4e1ae1cd |
128 | cfg->keytab = file; |
129 | cfg->configured = 1; |
130 | return( NULL ); |
131 | } |
132 | |
133 | |
58bbdc54 |
134 | static const char * |
135 | set_waklog_use_keytab_principal( cmd_parms *params, void *mconfig, char *file ) |
b74fad73 |
136 | { |
58bbdc54 |
137 | waklog_host_config *cfg; |
7193eb01 |
138 | |
58bbdc54 |
139 | if ( params->path == NULL ) { |
140 | cfg = (waklog_host_config *) ap_get_module_config( |
141 | params->server->module_config, &waklog_module ); |
142 | } else { |
143 | cfg = (waklog_host_config *)mconfig; |
7193eb01 |
144 | } |
145 | |
58bbdc54 |
146 | ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server, |
147 | "mod_waklog: using keytab_principal: %s", file ); |
148 | |
149 | cfg->keytab_principal = file; |
150 | cfg->configured = 1; |
151 | return( NULL ); |
152 | } |
153 | |
154 | |
155 | static const char * |
156 | set_waklog_use_afs_cell( cmd_parms *params, void *mconfig, char *file ) |
157 | { |
158 | waklog_host_config *cfg; |
159 | |
160 | if ( params->path == NULL ) { |
161 | cfg = (waklog_host_config *) ap_get_module_config( |
162 | params->server->module_config, &waklog_module ); |
163 | } else { |
164 | cfg = (waklog_host_config *)mconfig; |
165 | } |
166 | |
167 | ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server, |
168 | "mod_waklog: using afs_cell: %s", file ); |
169 | |
170 | cfg->afs_cell = file; |
171 | cfg->configured = 1; |
172 | return( NULL ); |
173 | } |
174 | |
175 | |
176 | static void |
177 | waklog_child_init( server_rec *s, pool *p ) |
178 | { |
179 | |
180 | memset( &child.token, 0, sizeof( struct ktc_token ) ); |
7193eb01 |
181 | |
b74fad73 |
182 | setpag(); |
7193eb01 |
183 | |
b74fad73 |
184 | return; |
185 | } |
186 | |
187 | |
313dde40 |
188 | command_rec waklog_cmds[ ] = |
189 | { |
190 | { "WaklogProtected", set_waklog_protect, |
191 | NULL, RSRC_CONF | ACCESS_CONF, FLAG, |
192 | "enable waklog on a location or directory basis" }, |
193 | |
58bbdc54 |
194 | { "WaklogUseKeytabPath", set_waklog_use_keytab, |
195 | NULL, RSRC_CONF, TAKE1, |
196 | "Use the supplied keytab rather than the default" }, |
197 | |
198 | { "WaklogUseKeytabPrincipal", set_waklog_use_keytab_principal, |
199 | NULL, RSRC_CONF, TAKE1, |
200 | "Use the supplied keytab principal rather than the default" }, |
201 | |
202 | { "WaklogUseAFSCell", set_waklog_use_afs_cell, |
4e1ae1cd |
203 | NULL, RSRC_CONF, TAKE1, |
58bbdc54 |
204 | "Use the supplied AFS cell rather than the default" }, |
4e1ae1cd |
205 | |
313dde40 |
206 | { NULL } |
207 | }; |
208 | |
209 | |
bed98ff9 |
210 | static void |
e2df6441 |
211 | token_cleanup( void *data ) |
bed98ff9 |
212 | { |
213 | request_rec *r = (request_rec *)data; |
bed98ff9 |
214 | |
58bbdc54 |
215 | if ( child.token.ticketLen ) { |
216 | memset( &child.token, 0, sizeof( struct ktc_token ) ); |
bed98ff9 |
217 | |
7193eb01 |
218 | ktc_ForgetAllTokens(); |
bed98ff9 |
219 | |
7193eb01 |
220 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
58bbdc54 |
221 | "mod_waklog: ktc_ForgetAllTokens succeeded: pid: %d", getpid() ); |
7193eb01 |
222 | } |
b74fad73 |
223 | return; |
bed98ff9 |
224 | } |
225 | |
226 | |
4e1ae1cd |
227 | static int |
e2df6441 |
228 | waklog_kinit( server_rec *s ) |
4e1ae1cd |
229 | { |
230 | krb5_error_code kerror; |
e2df6441 |
231 | krb5_context kcontext = NULL; |
232 | krb5_principal kprinc = NULL; |
4e1ae1cd |
233 | krb5_get_init_creds_opt kopts; |
7193eb01 |
234 | krb5_creds v5creds; |
e2df6441 |
235 | krb5_ccache kccache = NULL; |
236 | krb5_keytab keytab = NULL; |
4e1ae1cd |
237 | char ktbuf[ MAX_KEYTAB_NAME_LEN + 1 ]; |
e21f34f0 |
238 | waklog_host_config *cfg; |
4e1ae1cd |
239 | |
e21f34f0 |
240 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s, |
e2df6441 |
241 | "mod_waklog: waklog_kinit called" ); |
4e1ae1cd |
242 | |
58bbdc54 |
243 | cfg = (waklog_host_config *) ap_get_module_config( s->module_config, |
244 | &waklog_module ); |
245 | |
e21f34f0 |
246 | if (( kerror = krb5_init_context( &kcontext ))) { |
247 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
248 | (char *)error_message( kerror )); |
4e1ae1cd |
249 | |
e2df6441 |
250 | goto cleanup; |
e21f34f0 |
251 | } |
4e1ae1cd |
252 | |
e21f34f0 |
253 | /* use the path */ |
254 | if (( kerror = krb5_cc_resolve( kcontext, K5PATH, &kccache )) != 0 ) { |
255 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
256 | (char *)error_message( kerror )); |
4e1ae1cd |
257 | |
e2df6441 |
258 | goto cleanup; |
e21f34f0 |
259 | } |
4e1ae1cd |
260 | |
58bbdc54 |
261 | if (( kerror = krb5_parse_name( kcontext, cfg->keytab_principal, &kprinc ))) { |
e21f34f0 |
262 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
263 | (char *)error_message( kerror )); |
7193eb01 |
264 | |
e2df6441 |
265 | goto cleanup; |
e21f34f0 |
266 | } |
7193eb01 |
267 | |
e21f34f0 |
268 | krb5_get_init_creds_opt_init( &kopts ); |
58bbdc54 |
269 | krb5_get_init_creds_opt_set_tkt_life( &kopts, TKT_LIFE ); |
e21f34f0 |
270 | krb5_get_init_creds_opt_set_renew_life( &kopts, 0 ); |
271 | krb5_get_init_creds_opt_set_forwardable( &kopts, 1 ); |
272 | krb5_get_init_creds_opt_set_proxiable( &kopts, 0 ); |
7193eb01 |
273 | |
58bbdc54 |
274 | /* keytab from config */ |
275 | strncpy( ktbuf, cfg->keytab, sizeof( ktbuf ) - 1 ); |
7193eb01 |
276 | |
e21f34f0 |
277 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s, |
e2df6441 |
278 | "mod_waklog: waklog_kinit using: %s", ktbuf ); |
7193eb01 |
279 | |
e21f34f0 |
280 | if (( kerror = krb5_kt_resolve( kcontext, ktbuf, &keytab )) != 0 ) { |
281 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
282 | (char *)error_message( kerror )); |
7193eb01 |
283 | |
e2df6441 |
284 | goto cleanup; |
e21f34f0 |
285 | } |
7193eb01 |
286 | |
e21f34f0 |
287 | /* get the krbtgt */ |
288 | if (( kerror = krb5_get_init_creds_keytab( kcontext, &v5creds, |
403921ef |
289 | kprinc, keytab, 0, NULL, &kopts ))) { |
7193eb01 |
290 | |
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 | if (( kerror = krb5_verify_init_creds( kcontext, &v5creds, |
298 | kprinc, keytab, NULL, NULL )) != 0 ) { |
7193eb01 |
299 | |
e21f34f0 |
300 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
301 | (char *)error_message( kerror )); |
7193eb01 |
302 | |
e2df6441 |
303 | goto cleanup; |
e21f34f0 |
304 | } |
7193eb01 |
305 | |
e21f34f0 |
306 | if (( kerror = krb5_cc_initialize( kcontext, kccache, kprinc )) != 0 ) { |
307 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
308 | (char *)error_message( kerror )); |
7193eb01 |
309 | |
e2df6441 |
310 | goto cleanup; |
e21f34f0 |
311 | } |
7193eb01 |
312 | |
e2df6441 |
313 | kerror = krb5_cc_store_cred( kcontext, kccache, &v5creds ); |
314 | krb5_free_cred_contents( kcontext, &v5creds ); |
315 | if ( kerror != 0 ) { |
e21f34f0 |
316 | ap_log_error( APLOG_MARK, APLOG_ERR, s, |
317 | (char *)error_message( kerror )); |
7193eb01 |
318 | |
e2df6441 |
319 | goto cleanup; |
e21f34f0 |
320 | } |
7193eb01 |
321 | |
e21f34f0 |
322 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s, |
e2df6441 |
323 | "mod_waklog: waklog_kinit success" ); |
324 | |
325 | cleanup: |
326 | if ( keytab ) |
327 | (void)krb5_kt_close( kcontext, keytab ); |
328 | if ( kprinc ) |
329 | krb5_free_principal( kcontext, kprinc ); |
330 | if ( kccache ) |
331 | krb5_cc_close( kcontext, kccache ); |
332 | if ( kcontext ) |
333 | krb5_free_context( kcontext ); |
e21f34f0 |
334 | |
335 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s, |
e2df6441 |
336 | "mod_waklog: waklog_kinit: exiting" ); |
7193eb01 |
337 | |
338 | return( 0 ); |
339 | } |
340 | |
341 | |
342 | static void |
343 | waklog_aklog( request_rec *r ) |
344 | { |
345 | int rc; |
58bbdc54 |
346 | char buf[ 2048 ]; |
7193eb01 |
347 | const char *k4path = NULL; |
348 | const char *k5path = NULL; |
349 | krb5_error_code kerror; |
e2df6441 |
350 | krb5_context kcontext = NULL; |
7193eb01 |
351 | krb5_creds increds; |
352 | krb5_creds *v5credsp = NULL; |
e2df6441 |
353 | krb5_ccache kccache = NULL; |
403921ef |
354 | struct ktc_principal server = { "afs", "", "" }; |
7193eb01 |
355 | struct ktc_principal client; |
356 | struct ktc_token token; |
403921ef |
357 | waklog_host_config *cfg; |
58bbdc54 |
358 | int buflen; |
7193eb01 |
359 | |
360 | k5path = ap_table_get( r->subprocess_env, "KRB5CCNAME" ); |
361 | k4path = ap_table_get( r->subprocess_env, "KRBTKFILE" ); |
362 | |
363 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
364 | "mod_waklog: waklog_aklog called: k5path: %s, k4path: %s", k5path, k4path ); |
365 | |
366 | if ( !k5path || !k4path ) { |
367 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
368 | "mod_waklog: waklog_aklog giving up" ); |
e2df6441 |
369 | goto cleanup; |
4e1ae1cd |
370 | } |
371 | |
7193eb01 |
372 | /* |
373 | ** Get/build creds from file/tgs, then see if we need to SetToken |
374 | */ |
375 | |
376 | if (( kerror = krb5_init_context( &kcontext ))) { |
377 | /* Authentication Required ( kerberos error ) */ |
4e1ae1cd |
378 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
379 | (char *)error_message( kerror )); |
7193eb01 |
380 | |
e2df6441 |
381 | goto cleanup; |
4e1ae1cd |
382 | } |
383 | |
7193eb01 |
384 | memset( (char *)&increds, 0, sizeof(increds)); |
4e1ae1cd |
385 | |
403921ef |
386 | cfg = (waklog_host_config *) ap_get_module_config( |
387 | r->server->module_config, &waklog_module ); |
388 | |
389 | /* afs/<cell> or afs */ |
390 | strncpy( buf, "afs", sizeof( buf ) - 1 ); |
58bbdc54 |
391 | if ( strcmp( cfg->afs_cell, AFS_CELL ) ) { |
403921ef |
392 | strncat( buf, "/" , sizeof( buf ) - strlen( buf ) - 1 ); |
393 | strncat( buf, cfg->afs_cell, sizeof( buf ) - strlen( buf ) - 1 ); |
394 | } |
395 | |
7193eb01 |
396 | /* set server part */ |
403921ef |
397 | if (( kerror = krb5_parse_name( kcontext, buf, &increds.server ))) { |
4e1ae1cd |
398 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
399 | (char *)error_message( kerror )); |
400 | |
e2df6441 |
401 | goto cleanup; |
4e1ae1cd |
402 | } |
403 | |
7193eb01 |
404 | if (( kerror = krb5_cc_resolve( kcontext, k5path, &kccache )) != 0 ) { |
405 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
406 | (char *)error_message( kerror )); |
407 | |
e2df6441 |
408 | goto cleanup; |
7193eb01 |
409 | } |
4e1ae1cd |
410 | |
7193eb01 |
411 | /* set client part */ |
412 | krb5_cc_get_principal( kcontext, kccache, &increds.client ); |
4e1ae1cd |
413 | |
7193eb01 |
414 | increds.times.endtime = 0; |
415 | /* Ask for DES since that is what V4 understands */ |
416 | increds.keyblock.enctype = ENCTYPE_DES_CBC_CRC; |
417 | |
418 | /* get the V5 credentials */ |
419 | if (( kerror = krb5_get_credentials( kcontext, 0, kccache, |
420 | &increds, &v5credsp ) ) ) { |
403921ef |
421 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
422 | "mod_waklog: krb5_get_credentials: %s", error_message( kerror )); |
e2df6441 |
423 | goto cleanup; |
4e1ae1cd |
424 | } |
425 | |
58bbdc54 |
426 | /* don't overflor */ |
427 | if ( v5credsp->ticket.length >= 344 ) { /* from krb524d.c */ |
403921ef |
428 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
58bbdc54 |
429 | "mod_waklog: ticket size (%d) to big to fake", v5credsp->ticket.length ); |
e2df6441 |
430 | goto cleanup; |
4e1ae1cd |
431 | } |
432 | |
7193eb01 |
433 | /* assemble the token */ |
58bbdc54 |
434 | memset( &token, 0, sizeof( struct ktc_token ) ); |
435 | |
436 | token.startTime = v5credsp->times.starttime ? v5credsp->times.starttime : v5credsp->times.authtime; |
7193eb01 |
437 | token.endTime = v5credsp->times.endtime; |
58bbdc54 |
438 | memmove( &token.sessionKey, v5credsp->keyblock.contents, v5credsp->keyblock.length ); |
439 | token.kvno = RXKAD_TKT_TYPE_KERBEROS_V5; |
440 | token.ticketLen = v5credsp->ticket.length; |
441 | memmove( token.ticket, v5credsp->ticket.data, token.ticketLen ); |
7193eb01 |
442 | |
58bbdc54 |
443 | /* make sure we have to do this */ |
444 | if ( child.token.kvno != token.kvno || |
445 | child.token.ticketLen != token.ticketLen || |
446 | (memcmp( &child.token.sessionKey, &token.sessionKey, |
447 | sizeof( token.sessionKey ) )) || |
448 | (memcmp( child.token.ticket, token.ticket, token.ticketLen )) ) { |
449 | |
8258901d |
450 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
451 | "mod_waklog: client: %s", buf ); |
7193eb01 |
452 | |
453 | /* build the name */ |
58bbdc54 |
454 | memmove( buf, v5credsp->client->data[0].data, v5credsp->client->data[0].length ); |
455 | buf[ v5credsp->client->data[0].length ] = '\0'; |
456 | if ( v5credsp->client->length > 1 ) { |
8258901d |
457 | strncat( buf, ".", sizeof( buf ) - strlen( buf ) - 1 ); |
58bbdc54 |
458 | buflen = strlen( buf ); |
459 | memmove( buf + buflen, v5credsp->client->data[1].data, v5credsp->client->data[1].length ); |
460 | buf[ buflen + v5credsp->client->data[1].length ] = '\0'; |
7193eb01 |
461 | } |
462 | |
463 | /* assemble the client */ |
403921ef |
464 | strncpy( client.name, buf, sizeof( client.name ) - 1 ); |
465 | strncpy( client.instance, "", sizeof( client.instance) - 1 ); |
58bbdc54 |
466 | memmove( buf, v5credsp->client->realm.data, v5credsp->client->realm.length ); |
467 | buf[ v5credsp->client->realm.length ] = '\0'; |
468 | strncpy( client.cell, buf, sizeof( client.cell ) - 1 ); |
403921ef |
469 | |
58bbdc54 |
470 | /* assemble the server's cell */ |
403921ef |
471 | strncpy( server.cell, cfg->afs_cell , sizeof( server.cell ) - 1 ); |
7193eb01 |
472 | |
473 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
474 | "mod_waklog: server: name=%s, instance=%s, cell=%s", |
475 | server.name, server.instance, server.cell ); |
476 | |
477 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
478 | "mod_waklog: client: name=%s, instance=%s, cell=%s", |
479 | client.name, client.instance, client.cell ); |
480 | |
481 | /* use the path */ |
482 | krb_set_tkt_string( (char *)k4path ); |
483 | |
484 | /* rumor: we have to do this for AIX 4.1.4 with AFS 3.4+ */ |
485 | write( 2, "", 0 ); |
486 | |
487 | if ( ( rc = ktc_SetToken( &server, &token, &client, 0 ) ) ) { |
58bbdc54 |
488 | ap_log_error( APLOG_MARK, APLOG_ERR, r->server, |
7193eb01 |
489 | "mod_waklog: settoken returned %d", rc ); |
58bbdc54 |
490 | goto cleanup; |
7193eb01 |
491 | } |
492 | |
493 | /* save this */ |
58bbdc54 |
494 | memmove( &child.token, &token, sizeof( struct ktc_token ) ); |
7193eb01 |
495 | |
496 | /* we'll need to unlog when this connection is done. */ |
e2df6441 |
497 | ap_register_cleanup( r->pool, (void *)r, token_cleanup, ap_null_cleanup ); |
7193eb01 |
498 | } |
499 | |
e2df6441 |
500 | cleanup: |
501 | if ( v5credsp ) |
502 | krb5_free_cred_contents( kcontext, v5credsp ); |
503 | if ( increds.client ) |
504 | krb5_free_principal( kcontext, increds.client ); |
505 | if ( increds.server ) |
506 | krb5_free_principal( kcontext, increds.server ); |
507 | if ( kccache ) |
508 | krb5_cc_close( kcontext, kccache ); |
509 | if ( kcontext ) |
510 | krb5_free_context( kcontext ); |
3ed1e28a |
511 | |
7193eb01 |
512 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
513 | "mod_waklog: finished with waklog_aklog" ); |
514 | |
e2df6441 |
515 | return; |
516 | |
4e1ae1cd |
517 | } |
518 | |
e21f34f0 |
519 | static int |
520 | waklog_child_routine( void *s, child_info *pinfo ) |
521 | { |
e21f34f0 |
522 | if ( !getuid() ) { |
132ef613 |
523 | ap_log_error( APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, s, |
e21f34f0 |
524 | "mod_waklog: waklog_child_routine called as root" ); |
525 | |
526 | /* this was causing the credential file to get owned by root */ |
527 | setgid(ap_group_id); |
528 | setuid(ap_user_id); |
529 | } |
530 | |
531 | while( 1 ) { |
e2df6441 |
532 | waklog_kinit( s ); |
58bbdc54 |
533 | sleep( SLEEP_TIME ); |
e21f34f0 |
534 | } |
535 | |
536 | } |
537 | |
538 | |
539 | static void |
540 | waklog_init( server_rec *s, pool *p ) |
541 | { |
542 | extern char *version; |
543 | int pid; |
544 | |
545 | ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, s, |
546 | "mod_waklog: version %s initialized.", version ); |
547 | |
548 | pid = ap_bspawn_child( p, waklog_child_routine, s, kill_always, |
549 | NULL, NULL, NULL ); |
550 | |
132ef613 |
551 | ap_log_error( APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, s, |
e21f34f0 |
552 | "mod_waklog: ap_bspawn_child: %d.", pid ); |
553 | } |
554 | |
4e1ae1cd |
555 | |
bed98ff9 |
556 | static int |
7193eb01 |
557 | waklog_phase0( request_rec *r ) |
bed98ff9 |
558 | { |
313dde40 |
559 | waklog_host_config *cfg; |
560 | |
7193eb01 |
561 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
562 | "mod_waklog: phase0 called" ); |
563 | |
313dde40 |
564 | /* directory config? */ |
565 | cfg = (waklog_host_config *)ap_get_module_config( |
566 | r->per_dir_config, &waklog_module); |
bed98ff9 |
567 | |
313dde40 |
568 | /* server config? */ |
569 | if ( !cfg->configured ) { |
7193eb01 |
570 | cfg = (waklog_host_config *)ap_get_module_config( |
571 | r->server->module_config, &waklog_module); |
313dde40 |
572 | } |
573 | |
7193eb01 |
574 | if ( !cfg->protect ) { |
4e1ae1cd |
575 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
7193eb01 |
576 | "mod_waklog: phase0 declining" ); |
577 | return( DECLINED ); |
578 | } |
4e1ae1cd |
579 | |
7193eb01 |
580 | /* do this only if we are still unauthenticated */ |
58bbdc54 |
581 | if ( !child.token.ticketLen ) { |
4e1ae1cd |
582 | |
e21f34f0 |
583 | /* set our environment variables */ |
584 | ap_table_set( r->subprocess_env, "KRB5CCNAME", K5PATH ); |
585 | ap_table_set( r->subprocess_env, "KRBTKFILE", K4PATH ); |
3ed1e28a |
586 | |
7193eb01 |
587 | /* stuff the credentials into the kernel */ |
588 | waklog_aklog( r ); |
4e1ae1cd |
589 | } |
7193eb01 |
590 | |
591 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
592 | "mod_waklog: phase0 returning" ); |
593 | return DECLINED; |
594 | } |
4e1ae1cd |
595 | |
1e18ef7d |
596 | |
7193eb01 |
597 | static int |
598 | waklog_phase7( request_rec *r ) |
599 | { |
600 | waklog_host_config *cfg; |
1e18ef7d |
601 | |
7193eb01 |
602 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
603 | "mod_waklog: phase7 called" ); |
1e18ef7d |
604 | |
7193eb01 |
605 | /* directory config? */ |
606 | cfg = (waklog_host_config *)ap_get_module_config( |
607 | r->per_dir_config, &waklog_module); |
1e18ef7d |
608 | |
7193eb01 |
609 | /* server config? */ |
610 | if ( !cfg->configured ) { |
611 | cfg = (waklog_host_config *)ap_get_module_config( |
612 | r->server->module_config, &waklog_module); |
bed98ff9 |
613 | } |
614 | |
7193eb01 |
615 | if ( !cfg->protect ) { |
616 | return( DECLINED ); |
bed98ff9 |
617 | } |
618 | |
7193eb01 |
619 | /* stuff the credentials into the kernel */ |
620 | waklog_aklog( r ); |
bed98ff9 |
621 | |
7193eb01 |
622 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server, |
623 | "mod_waklog: phase7 returning" ); |
bed98ff9 |
624 | |
7193eb01 |
625 | return DECLINED; |
bed98ff9 |
626 | } |
627 | |
7193eb01 |
628 | static void |
629 | waklog_new_connection( conn_rec *c ) { |
630 | ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, c->server, |
58bbdc54 |
631 | "mod_waklog: new_connection called: pid: %d", getpid() ); |
7193eb01 |
632 | return; |
633 | } |
bed98ff9 |
634 | |
313dde40 |
635 | module MODULE_VAR_EXPORT waklog_module = { |
bed98ff9 |
636 | STANDARD_MODULE_STUFF, |
313dde40 |
637 | waklog_init, /* module initializer */ |
638 | waklog_create_dir_config, /* create per-dir config structures */ |
bed98ff9 |
639 | NULL, /* merge per-dir config structures */ |
313dde40 |
640 | waklog_create_server_config, /* create per-server config structures */ |
bed98ff9 |
641 | NULL, /* merge per-server config structures */ |
313dde40 |
642 | waklog_cmds, /* table of config file commands */ |
bed98ff9 |
643 | NULL, /* [#8] MIME-typed-dispatched handlers */ |
644 | NULL, /* [#1] URI to filename translation */ |
645 | NULL, /* [#4] validate user id from request */ |
646 | NULL, /* [#5] check if the user is ok _here_ */ |
647 | NULL, /* [#3] check access by host address */ |
648 | NULL, /* [#6] determine MIME type */ |
7193eb01 |
649 | waklog_phase7, /* [#7] pre-run fixups */ |
bed98ff9 |
650 | NULL, /* [#9] log a transaction */ |
313dde40 |
651 | NULL, /* [#2] header parser */ |
652 | waklog_child_init, /* child_init */ |
bed98ff9 |
653 | NULL, /* child_exit */ |
7193eb01 |
654 | waklog_phase0 /* [#0] post read-request */ |
bed98ff9 |
655 | #ifdef EAPI |
656 | ,NULL, /* EAPI: add_module */ |
657 | NULL, /* EAPI: remove_module */ |
658 | NULL, /* EAPI: rewrite_command */ |
7193eb01 |
659 | waklog_new_connection /* EAPI: new_connection */ |
bed98ff9 |
660 | #endif |
661 | }; |