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47baf534 | 1 | /* |
3e9b5b7b | 2 | * $Source$ |
3 | * $Author$ | |
4 | * $Header$ | |
47baf534 | 5 | * |
0a5ff702 | 6 | * Copyright (C) 1987, 1988 by the Massachusetts Institute of Technology |
7 | * For copying and distribution information, please see the file | |
8 | * <mit-copyright.h>. | |
47baf534 | 9 | * |
40174425 | 10 | * Server for user registration with Moira and Kerberos. |
47baf534 | 11 | * |
803d15cb | 12 | * This program is a client of the Kerberos admin_server and a |
13 | * server for the userreg program. It is not a client of the | |
2ce085d2 | 14 | * Moira server as it is linked with libmoiraglue which bypasses |
803d15cb | 15 | * the network protocol. |
47baf534 | 16 | */ |
17 | ||
18 | #ifndef lint | |
19 | static char *rcsid_reg_svr_c = "$Header$"; | |
20 | #endif lint | |
21 | ||
0a5ff702 | 22 | #include <mit-copyright.h> |
40174425 | 23 | #include <stdio.h> |
24 | #include <strings.h> | |
25 | #include <ctype.h> | |
26 | #include <sys/types.h> | |
27 | #include <sys/file.h> | |
28 | #include <krb.h> | |
29 | #include <des.h> | |
30 | #include <kadm.h> | |
31 | #include <kadm_err.h> | |
32 | #include <krb_err.h> | |
33 | #include <errno.h> | |
2ce085d2 | 34 | #include "moira.h" |
35 | #include "moira_site.h" | |
a640951a | 36 | #include "reg_svr.h" |
47baf534 | 37 | |
f46fccfa | 38 | extern char admin_errmsg[]; |
47baf534 | 39 | |
3f5f9b08 | 40 | void reg_com_err_hook(); |
41 | ||
bac67528 | 42 | main(argc,argv) |
43 | int argc; | |
44 | char *argv[]; | |
47baf534 | 45 | { |
3e9b5b7b | 46 | struct msg message; /* Storage for parsed packet */ |
29bc4461 | 47 | int status = SUCCESS; /* Error status */ |
bac67528 | 48 | char retval[BUFSIZ]; /* Buffer to hold return message for client */ |
49 | ||
a640951a | 50 | void req_initialize(); /* Initialize request layer */ |
51 | void get_request(); /* Get a request */ | |
52 | void report(); /* Respond to a request */ | |
bac67528 | 53 | |
a640951a | 54 | /* Initialize */ |
bac67528 | 55 | whoami = argv[0]; |
a640951a | 56 | |
3e9b5b7b | 57 | /* Error messages sent one line at a time */ |
f46fccfa | 58 | setlinebuf(stderr); |
3f5f9b08 | 59 | setlinebuf(stdout); |
60 | set_com_err_hook(reg_com_err_hook); | |
47baf534 | 61 | |
40174425 | 62 | /* Initialize com_err error tables */ |
47baf534 | 63 | init_ureg_err_tbl(); |
40174425 | 64 | init_krb_err_tbl(); |
65 | init_kadm_err_tbl(); | |
3e9b5b7b | 66 | |
40174425 | 67 | /* Use com_err or output to stderr for all log messages. */ |
68 | #ifdef DEBUG | |
69 | com_err(whoami, 0, "*** Debugging messages enabled. ***"); | |
70 | #endif DEBUG | |
71 | ||
72 | /* Set the name of our kerberos ticket file */ | |
73 | krb_set_tkt_string("/tmp/tkt_ureg"); | |
74 | ||
75 | /* Connect to the Moira server */ | |
2ce085d2 | 76 | if ((status = mr_connect(MOIRA_SERVER)) != MR_SUCCESS) |
3e9b5b7b | 77 | { |
2ce085d2 | 78 | com_err(whoami, status, " on mr_connect"); |
78eff417 | 79 | exit(1); |
80 | } | |
3e9b5b7b | 81 | |
82 | /* Authorize, telling the server who you are */ | |
2ce085d2 | 83 | if ((status = mr_auth(whoami)) != MR_SUCCESS) |
3e9b5b7b | 84 | { |
2ce085d2 | 85 | com_err(whoami, status, " on mr_auth"); |
78eff417 | 86 | exit(1); |
87 | } | |
a640951a | 88 | |
6eafbf8b | 89 | journal = fopen(REGJOURNAL, "a"); |
0349fd4d | 90 | if (journal == NULL) { |
91 | com_err(whoami, errno, " while opening journal file"); | |
92 | exit(1); | |
93 | } | |
a640951a | 94 | |
95 | /* Allow request layer to initialize */ | |
96 | req_initialize(); | |
97 | ||
3e9b5b7b | 98 | /* Sit around waiting for requests from the client. */ |
99 | for (;;) | |
100 | { | |
a640951a | 101 | get_request(&message); |
3e9b5b7b | 102 | |
3e9b5b7b | 103 | switch((int)message.request) |
104 | { | |
105 | case UREG_VERIFY_USER: | |
bac67528 | 106 | status = verify_user(&message,retval); |
47baf534 | 107 | break; |
3e9b5b7b | 108 | case UREG_RESERVE_LOGIN: |
bac67528 | 109 | status = reserve_user(&message,retval); |
47baf534 | 110 | break; |
3e9b5b7b | 111 | case UREG_SET_PASSWORD: |
3f5f9b08 | 112 | case UREG_GET_KRB: |
bac67528 | 113 | status = set_password(&message,retval); |
47baf534 | 114 | break; |
3f5f9b08 | 115 | case UREG_SET_IDENT: |
116 | status = set_identity(&message,retval); | |
117 | break; | |
3e9b5b7b | 118 | default: |
47baf534 | 119 | status = UREG_UNKNOWN_REQUEST; |
a640951a | 120 | critical_alert(FAIL_INST,"Unknown request %d from userreg.", |
121 | message.request); | |
47baf534 | 122 | break; |
123 | } | |
47baf534 | 124 | |
3e9b5b7b | 125 | /* Report what happened to client */ |
a640951a | 126 | report(status, retval); |
47baf534 | 127 | } |
128 | } | |
129 | ||
bac67528 | 130 | int parse_encrypted(message,data) |
3e9b5b7b | 131 | struct msg *message; /* Formatted packet */ |
40174425 | 132 | struct db_data *data; /* Data from the Moira database */ |
3e9b5b7b | 133 | /* This routine makes sure that the ID from the database matches |
134 | the ID sent accross in the packet. The information in the packet | |
135 | was created in the following way: | |
136 | ||
803d15cb | 137 | The plain text ID number was encrypted via EncryptID() resulting |
40174425 | 138 | in the form that would appear in the Moira database. This is |
29bc4461 | 139 | concatinated to the plain text ID so that the ID string contains plain |
140 | text ID followed by a null followed by the encrypted ID. Other | |
141 | information such as the username or password is appended. The whole | |
142 | thing is then DES encrypted using the encrypted ID as the source of | |
143 | the key. | |
3e9b5b7b | 144 | |
145 | This routine tries each encrypted ID in the database that belongs | |
146 | to someone with this user's first and last name and tries to | |
bac67528 | 147 | decrypt the packet with this information. If it succeeds, it returns |
29bc4461 | 148 | zero and initializes all the fields of the formatted packet structure |
149 | that depend on the encrypted information. */ | |
47baf534 | 150 | { |
d8ffd27c | 151 | des_cblock key; /* The key for DES en/decryption */ |
152 | des_key_schedule sched; /* En/decryption schedule */ | |
3e9b5b7b | 153 | static char decrypt[BUFSIZ]; /* Buffer to hold decrypted information */ |
154 | long decrypt_len; /* Length of decypted ID information */ | |
155 | char recrypt[14]; /* Buffer to hold re-encrypted information */ | |
156 | static char hashid[14]; /* Buffer to hold one-way encrypted ID */ | |
157 | char idnumber[BUFSIZ]; /* Buffer to hold plain-text ID */ | |
bac67528 | 158 | char *temp; /* A temporary string pointer */ |
159 | int len; /* Keeps track of length left in packet */ | |
29bc4461 | 160 | int status = SUCCESS; /* Error status */ |
3e9b5b7b | 161 | |
bac67528 | 162 | #ifdef DEBUG |
40174425 | 163 | com_err(whoami, 0, "Entering parse_encrypted"); |
bac67528 | 164 | #endif |
165 | ||
3e9b5b7b | 166 | /* Make the decrypted information length the same as the encrypted |
167 | information length. Both are integral multples of eight bytes | |
168 | because of the DES encryption routines. */ | |
bac67528 | 169 | decrypt_len = (long)message->encrypted_len; |
47baf534 | 170 | |
40174425 | 171 | /* Get key from the one-way encrypted ID in the Moira database */ |
d8ffd27c | 172 | des_string_to_key(data->mit_id, key); |
3e9b5b7b | 173 | /* Get schedule from key */ |
d8ffd27c | 174 | des_key_sched(key, sched); |
3e9b5b7b | 175 | /* Decrypt information from packet using this key. Since decrypt_len |
176 | is an integral multiple of eight bytes, it will probably be null- | |
177 | padded. */ | |
d8ffd27c | 178 | des_pcbc_encrypt(message->encrypted, decrypt, decrypt_len, |
179 | sched, key, DES_DECRYPT); | |
3e9b5b7b | 180 | |
181 | /* Extract the plain text and encrypted ID fields from the decrypted | |
182 | packet information. */ | |
183 | /* Since the decrypted information starts with the plain-text ID | |
184 | followed by a null, if the decryption worked, this will only | |
185 | copy the plain text part of the decrypted information. It is | |
186 | important that strncpy be used because if we are not using the | |
187 | correct key, there is no guarantee that a null will occur | |
188 | anywhere in the string. */ | |
29bc4461 | 189 | (void) strncpy(idnumber,decrypt,(int)decrypt_len); |
32155899 | 190 | /* Check that the idnumber of a mismatched decryption doesn't overflow |
191 | * the buffer. | |
192 | */ | |
193 | if (strlen(idnumber) != 9) { | |
194 | #ifdef DEBUG | |
195 | com_err(whoami, 0, "idnumber wrong size, probable user mismatch\n"); | |
196 | #endif | |
197 | return(FAILURE); | |
198 | } | |
3e9b5b7b | 199 | /* Point temp to the end of the plain text ID number. */ |
47baf534 | 200 | temp = decrypt + strlen(idnumber) + 1; |
29bc4461 | 201 | /* Find out how much more packet there is. */ |
bac67528 | 202 | len = message->encrypted_len - (temp - decrypt); |
29bc4461 | 203 | /* Copy the next CRYPT_LEN bytes of the decrypted information into |
204 | hashid if there are CRYPT_LEN more bytes to copy. There will be | |
3e9b5b7b | 205 | if we have the right key. */ |
29bc4461 | 206 | (void) strncpy(hashid, temp, min(len, CRYPT_LEN)); |
3e9b5b7b | 207 | /* Point temp to the end of the encrypted ID field */ |
47baf534 | 208 | temp += strlen(hashid) + 1; |
3e9b5b7b | 209 | /* Find out how much more room there is. */ |
bac67528 | 210 | len = message->encrypted_len - (temp - decrypt); |
3e9b5b7b | 211 | |
bac67528 | 212 | /* Now compare encrypted ID's don't match. */ |
803d15cb | 213 | if (strcmp(hashid, data->mit_id)) status = FAILURE; |
29bc4461 | 214 | if (status == SUCCESS) |
3e9b5b7b | 215 | { |
803d15cb | 216 | EncryptID(recrypt, idnumber, message->first, message->last); |
bac67528 | 217 | /* Now compare encrypted plain text to ID from database. */ |
803d15cb | 218 | if (strcmp(recrypt, data->mit_id)) status = FAILURE; |
47baf534 | 219 | } |
3e9b5b7b | 220 | |
29bc4461 | 221 | if (status == SUCCESS) |
bac67528 | 222 | { |
223 | /* We made it. Now we can finish initializing message. */ | |
224 | /* Point leftover to whatever is left over! */ | |
225 | message->leftover = temp; | |
226 | message->leftover_len = len; | |
227 | /* Since we know we have the right user, fill in the information | |
40174425 | 228 | from the Moira database. */ |
bac67528 | 229 | message->db.reg_status = data->reg_status; |
29bc4461 | 230 | (void) strncpy(message->db.uid,data->uid, sizeof(message->db.uid)); |
231 | (void) strncpy(message->db.mit_id,data->mit_id, | |
232 | sizeof(message->db.mit_id)); | |
233 | (void) strncpy(message->db.login,data->login, sizeof(message->db.login)); | |
bac67528 | 234 | } |
47baf534 | 235 | |
bac67528 | 236 | #ifdef DEBUG |
237 | if (status) | |
40174425 | 238 | com_err(whoami, status, " in parse_encrypted"); |
bac67528 | 239 | else |
40174425 | 240 | com_err(whoami, status, "parse_encrypted succeeded"); |
bac67528 | 241 | #endif |
47baf534 | 242 | |
47baf534 | 243 | return status; |
244 | } | |
245 | ||
bac67528 | 246 | int db_callproc(argc,argv,queue) |
40174425 | 247 | int argc; /* Number of arguments returned by Moira */ |
248 | char *argv[]; /* Arguments returned by Moira */ | |
bac67528 | 249 | struct save_queue *queue; /* Queue to save information in */ |
2ce085d2 | 250 | /* This function is called by mr_query after each tuple found. It is |
29bc4461 | 251 | used by find_user to cache information about each user found. */ |
47baf534 | 252 | { |
bac67528 | 253 | struct db_data *data; /* Structure to store the information in */ |
29bc4461 | 254 | int status = SUCCESS; /* Error status */ |
47baf534 | 255 | |
bac67528 | 256 | #ifdef DEBUG |
40174425 | 257 | com_err(whoami, 0, "Entering db_callproc."); |
bac67528 | 258 | #endif |
259 | ||
29bc4461 | 260 | if (argc != U_END) |
3e9b5b7b | 261 | { |
a640951a | 262 | critical_alert |
263 | (FAIL_INST, | |
264 | "Wrong number of arguments returned from get_user_by_name."); | |
2ce085d2 | 265 | status = MR_ABORT; |
f46fccfa | 266 | } |
bac67528 | 267 | else |
3e9b5b7b | 268 | { |
40174425 | 269 | /* extract the needed information from the results of the Moira query */ |
bac67528 | 270 | data = (struct db_data *)malloc(sizeof(struct db_data)); |
29bc4461 | 271 | data->reg_status = atoi(argv[U_STATE]); |
272 | (void) strncpy(data->login,argv[U_NAME],sizeof(data->login)); | |
273 | (void) strncpy(data->mit_id,argv[U_MITID],sizeof(data->mit_id)); | |
274 | (void) strncpy(data->uid,argv[U_UID],sizeof(data->uid)); | |
bac67528 | 275 | #ifdef DEBUG |
276 | fprintf(stderr,"Found in database:\n"); | |
277 | fprintf(stderr," Registration status: %d\n",data->reg_status); | |
278 | fprintf(stderr," login: %s\n",data->login); | |
279 | fprintf(stderr," MIT ID: %s\n",data->mit_id); | |
280 | fprintf(stderr," uid: %s\n",data->uid); | |
281 | #endif | |
282 | sq_save_data(queue,data); | |
47baf534 | 283 | } |
bac67528 | 284 | |
285 | return status; | |
286 | } | |
3e9b5b7b | 287 | |
bac67528 | 288 | int find_user(message) |
289 | struct msg *message; /* Formatted packet structure */ | |
290 | /* This routine verifies that a user is allowed to register by finding | |
40174425 | 291 | him/her in the Moira database. It returns the status of the Moira |
bac67528 | 292 | query that it calls. */ |
293 | { | |
803d15cb | 294 | #define GUBN_ARGS 2 /* Arguements needed by get_user_by_name */ |
bac67528 | 295 | char *q_name; /* Name of query */ |
29bc4461 | 296 | int q_argc; /* Number of arguments for query */ |
297 | char *q_argv[GUBN_ARGS]; /* Arguments to query */ | |
298 | int status = SUCCESS; /* Query return status */ | |
bac67528 | 299 | |
40174425 | 300 | struct save_queue *queue; /* Queue to hold Moira data */ |
bac67528 | 301 | struct db_data *data; /* Structure for data for one tuple */ |
29bc4461 | 302 | short verified = FALSE; /* Have we verified the user? */ |
bac67528 | 303 | |
304 | /* Zero the mit_id field in the formatted packet structure. This | |
305 | being zeroed means that no user was found. */ | |
306 | bzero(message->db.mit_id,sizeof(message->db.mit_id)); | |
307 | ||
29bc4461 | 308 | if (status == SUCCESS) |
3e9b5b7b | 309 | { |
40174425 | 310 | /* Get ready to make an Moira query */ |
bac67528 | 311 | q_name = "get_user_by_name"; |
29bc4461 | 312 | q_argc = GUBN_ARGS; /* #defined in this routine */ |
bac67528 | 313 | q_argv[0] = message->first; |
314 | q_argv[1] = message->last; | |
315 | ||
316 | /* Create queue to hold information */ | |
317 | queue = sq_create(); | |
318 | ||
319 | /* Do it */ | |
2ce085d2 | 320 | status = mr_query(q_name,q_argc,q_argv,db_callproc,(char *)queue); |
bac67528 | 321 | |
322 | #ifdef DEBUG | |
803d15cb | 323 | fprintf(stderr," %d returned by get_user_by_name\n",status); |
bac67528 | 324 | #endif |
325 | ||
2ce085d2 | 326 | if (status == MR_SUCCESS) |
bac67528 | 327 | { |
328 | /* Traverse the list, freeing data as we go. If sq_get_data() | |
329 | returns zero if there is no more data on the queue. */ | |
330 | while (sq_get_data(queue,&data)) | |
331 | { | |
332 | if (!verified) | |
333 | /* parse_encrypted returns zero on success */ | |
29bc4461 | 334 | verified = (parse_encrypted(message,data) == SUCCESS); |
335 | free((char *)data); | |
bac67528 | 336 | } |
337 | } | |
29bc4461 | 338 | |
339 | /* Destroy the queue */ | |
340 | sq_destroy(queue); | |
47baf534 | 341 | } |
47baf534 | 342 | |
bac67528 | 343 | #ifdef DEBUG |
344 | fprintf(stderr,"Returned from find_user\n"); | |
345 | fprintf(stderr," MIT ID: %s\n", message->db.mit_id); | |
346 | fprintf(stderr," Registration status: %d\n",message->db.reg_status); | |
347 | fprintf(stderr," uid: %s\n",message->db.uid); | |
348 | fprintf(stderr," login: %s\n",message->db.login); | |
349 | fprintf(stderr," Status from query: %d\n",status); | |
350 | #endif DEBGUG | |
351 | ||
352 | return status; | |
353 | } | |
354 | ||
bac67528 | 355 | int verify_user(message,retval) |
3e9b5b7b | 356 | struct msg *message; |
bac67528 | 357 | char *retval; |
29bc4461 | 358 | /* This routine determines whether a user is in the databse and returns |
359 | his state so that other routines can figure out whether he is the | |
360 | correct state for various transactions. */ | |
361 | ||
47baf534 | 362 | { |
29bc4461 | 363 | int status = SUCCESS; /* Return status */ |
bac67528 | 364 | |
365 | /* Log that we are about to veryify user */ | |
40174425 | 366 | com_err(whoami, 0, "verifying user %s %s",message->first,message->last); |
bac67528 | 367 | |
368 | /* Figure out what user (if any) can be found based on the | |
369 | encrypted information in the packet. (See the comment on | |
370 | parse_encrypted().) */ | |
bac67528 | 371 | |
372 | status = find_user(message); | |
373 | ||
40174425 | 374 | /* If Moira coudn't find the user */ |
2ce085d2 | 375 | if (status == MR_NO_MATCH) |
f46fccfa | 376 | status = UREG_USER_NOT_FOUND; |
2ce085d2 | 377 | else if (status == MR_SUCCESS) |
3e9b5b7b | 378 | { |
bac67528 | 379 | /* If the information sent over in the packet did not point to a |
380 | valid user, the mit_id field in the formatted packet structure | |
381 | will be empty. */ | |
29bc4461 | 382 | if (message->db.mit_id[0] == NULL) |
bac67528 | 383 | status = UREG_USER_NOT_FOUND; |
384 | /* If the user was found but the registration has already started, | |
385 | use this as the status */ | |
386 | else | |
387 | { | |
388 | switch (message->db.reg_status) | |
389 | { | |
29bc4461 | 390 | case US_NO_LOGIN_YET: |
bac67528 | 391 | status = SUCCESS; |
392 | break; | |
29bc4461 | 393 | case US_REGISTERED: |
bac67528 | 394 | status = UREG_ALREADY_REGISTERED; |
395 | break; | |
29bc4461 | 396 | case US_NO_PASSWD: |
bac67528 | 397 | status = UREG_NO_PASSWD_YET; |
398 | break; | |
29bc4461 | 399 | case US_DELETED: |
bac67528 | 400 | status = UREG_DELETED; |
401 | break; | |
29bc4461 | 402 | case US_NOT_ALLOWED: |
bac67528 | 403 | status = UREG_NOT_ALLOWED; |
404 | break; | |
3f5f9b08 | 405 | case US_ENROLLED: |
406 | status = UREG_ENROLLED; | |
407 | break; | |
408 | case US_ENROLL_NOT_ALLOWED: | |
409 | status = UREG_ENROLL_NOT_ALLOWED; | |
410 | break; | |
d8ffd27c | 411 | case US_HALF_ENROLLED: |
412 | status = UREG_HALF_ENROLLED; | |
413 | break; | |
bac67528 | 414 | default: |
415 | status = UREG_MISC_ERROR; | |
3f5f9b08 | 416 | critical_alert(FAIL_INST,"Bad user state %d for login %s.", |
417 | message->db.reg_status, message->db.login); | |
bac67528 | 418 | break; |
419 | } | |
420 | /* Set retval to the login name so that the client can use | |
421 | it in the error message it will give the user. */ | |
29bc4461 | 422 | (void) strcpy(retval,message->db.login); |
bac67528 | 423 | } |
47baf534 | 424 | } |
3e9b5b7b | 425 | |
40174425 | 426 | if (status) |
427 | com_err(whoami, status, " returned from verify_user"); | |
428 | else | |
429 | com_err(whoami, 0, "User verified"); | |
bac67528 | 430 | |
47baf534 | 431 | return status; |
432 | } | |
bac67528 | 433 | |
40174425 | 434 | int ureg_kadm_init() |
47baf534 | 435 | { |
40174425 | 436 | unsigned int status = SUCCESS; /* Return status */ |
437 | static char krbrealm[REALM_SZ]; /* kerberos realm name */ | |
6b407d0f | 438 | static char hostbuf[BUFSIZ], *host; /* local hostname in principal fmt */ |
40174425 | 439 | static int inited = 0; |
6b407d0f | 440 | char *p; |
40174425 | 441 | |
442 | #ifdef DEBUG | |
443 | com_err(whoami, 0, "Entering ureg_kadm_init"); | |
444 | #endif DEBUG | |
445 | ||
446 | if (!inited) { | |
447 | inited++; | |
448 | bzero(krbrealm, sizeof(krbrealm)); | |
449 | if (status = krb_get_lrealm(krbrealm, 1)) { | |
450 | status += krb_err_base; | |
451 | com_err(whoami, status, " fetching kerberos realm"); | |
452 | exit(1); | |
453 | } | |
6b407d0f | 454 | if (gethostname(hostbuf, sizeof(hostbuf)) < 0) |
455 | com_err(whoami, errno, "getting local hostname"); | |
456 | host = canonicalize_hostname(strsave(hostbuf)); | |
457 | for (p = host; *p && *p != '.'; p++) | |
458 | if (isupper(*p)) | |
459 | *p = tolower(*p); | |
460 | *p = 0; | |
40174425 | 461 | } |
bac67528 | 462 | |
463 | /* Get keys for interacting with Kerberos admin server. */ | |
f3c010f8 | 464 | /* principal, instance, realm, service, service instance, life, file */ |
6b407d0f | 465 | if (status = krb_get_svc_in_tkt(MOIRA_SNAME, host, krbrealm, PWSERV_NAME, |
40174425 | 466 | KADM_SINST, 1, KEYFILE)) |
467 | status += krb_err_base; | |
468 | ||
469 | if (status != SUCCESS) | |
470 | com_err(whoami, status, " while get admin tickets"); | |
803d15cb | 471 | #ifdef DEBUG |
40174425 | 472 | else { |
473 | com_err(whoami, status, "Succeeded in getting admin tickets"); | |
474 | } | |
803d15cb | 475 | #endif |
40174425 | 476 | |
477 | if (status == SUCCESS) { | |
478 | if ((status = kadm_init_link(PWSERV_NAME, KADM_SINST, krbrealm)) != | |
479 | KADM_SUCCESS) { | |
480 | com_err(whoami, status, " while initializing kadmin connection"); | |
481 | } | |
482 | } | |
483 | ||
bac67528 | 484 | return status; |
47baf534 | 485 | } |
486 | ||
bac67528 | 487 | int null_callproc(argc,argv,message) |
488 | int argc; | |
489 | char *argv[]; | |
3e9b5b7b | 490 | char *message; |
bac67528 | 491 | /* This routine is a null callback that should be used for queries that |
492 | do not return tuples. If it ever gets called, something is wrong. */ | |
47baf534 | 493 | { |
a640951a | 494 | critical_alert(FAIL_INST,"Something returned from an update query."); |
803d15cb | 495 | return FAILURE; |
47baf534 | 496 | } |
497 | ||
40174425 | 498 | /* |
499 | * This routine reserves a principal in kerberos by setting up a | |
500 | * principal with a random initial key. | |
501 | */ | |
502 | int reserve_krb(login) | |
503 | char *login; | |
47baf534 | 504 | { |
40174425 | 505 | int status = SUCCESS; |
506 | Kadm_vals new; | |
507 | des_cblock key; | |
508 | u_long *lkey = (u_long *)key; | |
bac67528 | 509 | |
40174425 | 510 | #ifdef DEBUG |
511 | com_err(whoami, 0, "Entering reserve_krb"); | |
512 | #endif DEBUG | |
803d15cb | 513 | |
40174425 | 514 | if ((status = ureg_kadm_init()) == SUCCESS) { |
515 | bzero((char *)&new, sizeof(new)); | |
516 | SET_FIELD(KADM_DESKEY, new.fields); | |
517 | SET_FIELD(KADM_NAME, new.fields); | |
bac67528 | 518 | |
40174425 | 519 | (void) des_random_key(key); |
520 | new.key_low = htonl(lkey[0]); | |
521 | new.key_high = htonl(lkey[1]); | |
522 | strcpy(new.name, login); | |
523 | ||
524 | com_err(whoami, 0, "Creating kerberos principal for %s", login); | |
525 | status = kadm_add(&new); | |
526 | if (status != KADM_SUCCESS) | |
527 | com_err(whoami, status, " while reserving principal"); | |
528 | ||
529 | bzero((char *)&new, sizeof(new)); | |
530 | } | |
531 | ||
532 | dest_tkt(); | |
533 | ||
534 | return(status); | |
535 | } | |
536 | ||
537 | /* | |
538 | * This routine reserves a principal in kerberos by setting up a | |
539 | * principal with a random initial key. | |
540 | */ | |
541 | int setpass_krb(login, password) | |
542 | char *login; | |
543 | char *password; | |
544 | { | |
545 | int status = SUCCESS; | |
546 | Kadm_vals new; | |
547 | des_cblock key; | |
548 | u_long *lkey = (u_long *)key; | |
549 | ||
550 | if ((status = ureg_kadm_init()) == SUCCESS) { | |
551 | bzero((char *)&new, sizeof(new)); | |
552 | SET_FIELD(KADM_DESKEY, new.fields); | |
553 | SET_FIELD(KADM_NAME, new.fields); | |
554 | ||
555 | (void) des_string_to_key(password, key); | |
556 | new.key_low = htonl(lkey[0]); | |
557 | new.key_high = htonl(lkey[1]); | |
558 | strcpy(new.name, login); | |
559 | ||
560 | com_err(whoami, 0, "Setting password for %s", login); | |
561 | /* First arguement is not used if user has modify privileges */ | |
562 | if ((status = kadm_mod(&new, &new)) != KADM_SUCCESS) { | |
563 | if (status == KADM_NOENTRY) { | |
564 | com_err(whoami, 0, | |
565 | "kerberos principal doesn't exist; creating"); | |
566 | if ((status = kadm_add(&new)) != KADM_SUCCESS) | |
567 | com_err(whoami, status, | |
568 | " while creating kerberos principal"); | |
569 | } | |
570 | else | |
571 | com_err(whoami, status, " while setting password"); | |
47baf534 | 572 | } |
47baf534 | 573 | } |
bac67528 | 574 | |
575 | dest_tkt(); | |
40174425 | 576 | return(status); |
47baf534 | 577 | } |
3e9b5b7b | 578 | |
bac67528 | 579 | int reserve_user(message,retval) |
580 | struct msg *message; | |
581 | char *retval; | |
47baf534 | 582 | { |
bac67528 | 583 | int q_argc; /* Number of arguments to query */ |
40174425 | 584 | char *q_argv[3]; /* Arguments to Moira query */ |
585 | char *q_name; /* Name of Moira query */ | |
29bc4461 | 586 | int status = SUCCESS; /* General purpose error status */ |
bac67528 | 587 | char fstype_buf[7]; /* Buffer to hold fs_type, a 16 bit number */ |
588 | char *login; /* The login name the user wants */ | |
589 | register int i; /* A counter */ | |
bac67528 | 590 | |
803d15cb | 591 | /* Log that we are about to reserve a user. */ |
40174425 | 592 | com_err(whoami, 0, "reserving user %s %s", |
bac67528 | 593 | message->first, message->last); |
3e9b5b7b | 594 | |
bac67528 | 595 | /* Check to make sure that we can verify this user. */ |
596 | if ((status = verify_user(message,retval)) == SUCCESS) | |
3e9b5b7b | 597 | { |
29bc4461 | 598 | /* Get the requested login name from leftover packet information. */ |
bac67528 | 599 | login = message->leftover; |
29bc4461 | 600 | |
601 | /* Check the login name for validity. The login name is currently | |
40174425 | 602 | is allowed to contain lowercase letters in any position and |
603 | and numbers and underscore characters in any position but the | |
97ee0ded | 604 | first. */ |
29bc4461 | 605 | if ((strlen(login) < MIN_UNAME) || (strlen(login) > MAX_UNAME)) |
bac67528 | 606 | status = UREG_INVALID_UNAME; |
47baf534 | 607 | } |
29bc4461 | 608 | if (status == SUCCESS) |
40174425 | 609 | if ((login[0] == '_') || isdigit(login[0])) |
29bc4461 | 610 | status = UREG_INVALID_UNAME; |
40174425 | 611 | |
29bc4461 | 612 | if (status == SUCCESS) |
3e9b5b7b | 613 | { |
803d15cb | 614 | for (i = 0; i < strlen(login); i++) |
5fff8167 | 615 | if (!islower(login[i]) && !isdigit(login[i]) && |
616 | (login[i] != '_')) | |
803d15cb | 617 | { |
618 | status = UREG_INVALID_UNAME; | |
619 | break; | |
620 | } | |
47baf534 | 621 | } |
29bc4461 | 622 | if (status == SUCCESS) |
3e9b5b7b | 623 | { |
bac67528 | 624 | /* Now that we have a valid user with a valid login... */ |
625 | ||
40174425 | 626 | /* First, try to reserve the user in Moira. */ |
2ce085d2 | 627 | (void) sprintf(fstype_buf,"%d",MR_FS_STUDENT); |
bac67528 | 628 | q_name = "register_user"; |
629 | q_argv[0] = message->db.uid; | |
630 | q_argv[1] = login; | |
631 | q_argv[2] = fstype_buf; | |
632 | q_argc = 3; | |
2ce085d2 | 633 | status = mr_query(q_name,q_argc,q_argv,null_callproc,(char *)0); |
bac67528 | 634 | switch (status) |
635 | { | |
2ce085d2 | 636 | case MR_SUCCESS: |
bac67528 | 637 | status = SUCCESS; |
638 | break; | |
2ce085d2 | 639 | case MR_IN_USE: |
bac67528 | 640 | status = UREG_LOGIN_USED; |
641 | break; | |
2ce085d2 | 642 | case MR_DEADLOCK: |
62ba0b73 | 643 | status = UREG_MISC_ERROR; |
644 | break; | |
bac67528 | 645 | default: |
a640951a | 646 | critical_alert(FAIL_INST,"%s returned from register_user.", |
647 | error_message(status)); | |
9700b15a | 648 | status = UREG_MISC_ERROR; |
bac67528 | 649 | break; |
650 | } | |
47baf534 | 651 | } |
40174425 | 652 | |
29bc4461 | 653 | if (status == SUCCESS) |
3e9b5b7b | 654 | { |
40174425 | 655 | /* |
656 | * Moira login was successfully created; try to reserve kerberos | |
657 | * principal. | |
658 | * | |
659 | * If this routine fails, store the login in the retval so | |
660 | * that it can be used in the client-side error message. | |
661 | */ | |
662 | if ((status = reserve_krb(login)) != SUCCESS) | |
29bc4461 | 663 | (void) strcpy(retval, login); |
47baf534 | 664 | } |
bac67528 | 665 | |
40174425 | 666 | if (status) |
667 | com_err(whoami, status, " returned from reserve_user"); | |
668 | else { | |
669 | com_err(whoami, 0, "User reserved"); | |
670 | } | |
bac67528 | 671 | |
47baf534 | 672 | return status; |
bac67528 | 673 | } |
47baf534 | 674 | |
3f5f9b08 | 675 | int set_final_status(message) |
676 | struct msg *message; | |
803d15cb | 677 | /* This routine updates a user's registration status to fully |
29bc4461 | 678 | registered. */ |
47baf534 | 679 | { |
3f5f9b08 | 680 | char *login; |
40174425 | 681 | char *q_name; /* Name of Moira query */ |
682 | int q_argc; /* Number of arguments for Moira query */ | |
bac67528 | 683 | char *q_argv[2]; /* Arguments to get user by uid */ |
29bc4461 | 684 | char state[7]; /* Can hold a 16 bit integer */ |
bac67528 | 685 | int status; /* Error status */ |
686 | ||
3f5f9b08 | 687 | if (message->request == UREG_SET_PASSWORD) |
688 | (void) sprintf(state,"%d",US_REGISTERED); | |
689 | else if (message->db.reg_status == US_NO_LOGIN_YET) | |
690 | (void) sprintf(state,"%d",US_ENROLLED); | |
691 | else | |
692 | (void) sprintf(state,"%d",US_ENROLL_NOT_ALLOWED); | |
693 | ||
694 | login = message->db.login; | |
695 | com_err(whoami, 0, "Setting final status for %s to %s", login, state); | |
bac67528 | 696 | |
697 | q_name = "update_user_status"; | |
698 | q_argc = 2; | |
699 | q_argv[0] = login; | |
29bc4461 | 700 | q_argv[1] = state; |
2ce085d2 | 701 | if ((status = mr_query(q_name, q_argc, q_argv, null_callproc, |
702 | (char *)0)) != MR_SUCCESS) { | |
703 | if (status == MR_DEADLOCK) | |
62ba0b73 | 704 | status = UREG_MISC_ERROR; |
705 | else | |
706 | critical_alert(FAIL_INST,"%s returned from update_user_status.", | |
707 | error_message(status)); | |
708 | } | |
40174425 | 709 | if (status) |
710 | com_err(whoami, status, " returned from set_final_status"); | |
711 | else | |
712 | com_err(whoami, 0, "Final status set"); | |
f46fccfa | 713 | return status; |
bac67528 | 714 | } |
f46fccfa | 715 | |
bac67528 | 716 | |
717 | int set_password(message,retval) | |
718 | struct msg *message; | |
719 | char *retval; | |
720 | /* This routine is used to set the initial password for the new user. */ | |
47baf534 | 721 | { |
29bc4461 | 722 | int status = SUCCESS; /* Return status */ |
bac67528 | 723 | char *passwd; /* User's password */ |
bac67528 | 724 | |
40174425 | 725 | com_err(whoami, 0, "setting password %s %s", |
bac67528 | 726 | message->first, message->last); |
727 | ||
728 | status = verify_user(message,retval); | |
729 | ||
730 | /* Don't set the password unless the registration status of the user | |
731 | is that he exists and has no password. */ | |
732 | if (status == SUCCESS) | |
733 | status = UREG_NO_LOGIN_YET; | |
d8ffd27c | 734 | if (((int)message->request == UREG_SET_PASSWORD && |
735 | status == UREG_NO_PASSWD_YET) || | |
736 | ((int)message->request == UREG_GET_KRB && | |
737 | status == UREG_HALF_ENROLLED)) | |
3e9b5b7b | 738 | { |
bac67528 | 739 | /* User is in proper state for this transaction. */ |
740 | ||
741 | passwd = message->leftover; | |
742 | ||
743 | /* Set password. */ | |
40174425 | 744 | if ((status = setpass_krb(message->db.login, passwd)) != SUCCESS) |
bac67528 | 745 | /* If failure, allow login name to be used in client |
746 | error message */ | |
29bc4461 | 747 | (void) strcpy(retval,message->db.login); |
bac67528 | 748 | else |
749 | /* Otherwise, mark user as finished. */ | |
3f5f9b08 | 750 | status = set_final_status(message); |
bac67528 | 751 | } |
40174425 | 752 | |
753 | if (status) | |
754 | com_err(whoami, status, " returned from set_passwd"); | |
755 | else | |
756 | com_err(whoami, 0, "Password set"); | |
757 | ||
bac67528 | 758 | return status; |
759 | } | |
3f5f9b08 | 760 | |
761 | ||
762 | int getuserinfo(argc, argv, qargv) | |
763 | int argc; | |
764 | char **argv; | |
765 | char **qargv; | |
766 | { | |
767 | int status = SUCCESS; | |
768 | ||
769 | if (argc != U_END) { | |
770 | critical_alert(FAIL_INST, | |
771 | "Wrong number of args returned from get_user_by_uid"); | |
2ce085d2 | 772 | status = MR_ABORT; |
3f5f9b08 | 773 | } else { |
774 | qargv[U_NAME] = strsave(argv[U_NAME]); | |
775 | qargv[U_UID+1] = strsave(argv[U_UID]); | |
776 | qargv[U_SHELL+1] = strsave(argv[U_SHELL]); | |
777 | qargv[U_LAST+1] = strsave(argv[U_LAST]); | |
778 | qargv[U_FIRST+1] = strsave(argv[U_FIRST]); | |
779 | qargv[U_MIDDLE+1] = strsave(argv[U_MIDDLE]); | |
780 | qargv[U_STATE+1] = strsave(argv[U_STATE]); | |
781 | qargv[U_MITID+1] = strsave(argv[U_MITID]); | |
782 | qargv[U_CLASS+1] = strsave(argv[U_CLASS]); | |
783 | qargv[U_MODTIME+1] = NULL; | |
784 | } | |
785 | return(status); | |
786 | } | |
787 | ||
788 | ||
789 | int set_identity(message,retval) | |
790 | struct msg *message; | |
791 | char *retval; | |
792 | { | |
793 | int q_argc; /* Number of arguments to query */ | |
40174425 | 794 | char *q_argv[U_END]; /* Arguments to Moira query */ |
795 | char *q_name; /* Name of Moira query */ | |
3f5f9b08 | 796 | int status = SUCCESS; /* General purpose error status */ |
797 | char fstype_buf[7]; /* Buffer to hold fs_type, a 16 bit number */ | |
798 | char *login; /* The login name the user wants */ | |
799 | register int i; /* A counter */ | |
800 | ||
801 | /* Log that we are about to reserve a user. */ | |
40174425 | 802 | com_err(whoami, 0, "setting identity %s %s", |
3f5f9b08 | 803 | message->first, message->last); |
804 | ||
805 | /* Check to make sure that we can verify this user. */ | |
806 | status = verify_user(message,retval); | |
807 | if (status == SUCCESS || status == UREG_NOT_ALLOWED) | |
808 | { | |
809 | status = SUCCESS; | |
810 | /* Get the requested login name from leftover packet information. */ | |
811 | login = message->leftover; | |
812 | ||
813 | /* Check the login name for validity. The login name is currently | |
40174425 | 814 | is allowed to contain lowercase letters in any position and |
815 | and numbers and underscore characters in any position but the | |
3f5f9b08 | 816 | first. */ |
817 | if ((strlen(login) < MIN_UNAME) || (strlen(login) > MAX_UNAME)) | |
818 | status = UREG_INVALID_UNAME; | |
819 | } | |
820 | if (status == SUCCESS) | |
40174425 | 821 | if ((login[0] == '_') || isdigit(login[0])) |
3f5f9b08 | 822 | status = UREG_INVALID_UNAME; |
823 | if (status == SUCCESS) | |
824 | { | |
825 | for (i = 0; i < strlen(login); i++) | |
826 | if (!islower(login[i]) && !isdigit(login[i]) && | |
827 | (login[i] != '_')) | |
828 | { | |
829 | status = UREG_INVALID_UNAME; | |
830 | break; | |
831 | } | |
832 | } | |
833 | if (status == SUCCESS) | |
834 | { | |
835 | /* Now that we have a valid user with a valid login... */ | |
836 | ||
837 | q_argv[0] = message->db.uid; | |
2ce085d2 | 838 | status = mr_query("get_user_by_uid", 1, q_argv, getuserinfo, q_argv); |
3f5f9b08 | 839 | if (status != SUCCESS) { |
840 | com_err(whoami, status, " while getting user info"); | |
841 | return(status); | |
842 | } | |
843 | q_argv[U_NAME+1] = login; | |
d8ffd27c | 844 | q_argv[U_STATE+1] = "7"; |
2ce085d2 | 845 | status = mr_query("update_user", U_MODTIME+1, q_argv, |
3f5f9b08 | 846 | null_callproc, NULL); |
847 | switch (status) | |
848 | { | |
2ce085d2 | 849 | case MR_SUCCESS: |
3f5f9b08 | 850 | status = SUCCESS; |
851 | break; | |
2ce085d2 | 852 | case MR_IN_USE: |
3f5f9b08 | 853 | status = UREG_LOGIN_USED; |
854 | break; | |
2ce085d2 | 855 | case MR_DEADLOCK: |
62ba0b73 | 856 | status = UREG_MISC_ERROR; |
857 | break; | |
3f5f9b08 | 858 | default: |
859 | critical_alert(FAIL_INST,"%s returned from update_user.", | |
860 | error_message(status)); | |
861 | status = UREG_MISC_ERROR; | |
862 | break; | |
863 | } | |
864 | } | |
865 | if (status == SUCCESS) | |
866 | { | |
40174425 | 867 | /* Moira login was successfully created; try to reserve kerberos |
3f5f9b08 | 868 | principal. */ |
869 | /* If this routine fails, store the login in the retval so | |
870 | that it can be used in the client-side error message. */ | |
40174425 | 871 | if ((status = reserve_krb(login)) != SUCCESS) |
3f5f9b08 | 872 | (void) strcpy(retval, login); |
873 | } | |
874 | ||
40174425 | 875 | if (status) |
876 | com_err(whoami, status, " returned from set_identity"); | |
877 | else | |
878 | com_err(whoami, 0, "Identity set"); | |
3f5f9b08 | 879 | |
880 | return status; | |
881 | } | |
882 | ||
883 | ||
884 | void reg_com_err_hook(whoami, code, fmt, pvar) | |
885 | char *whoami; | |
886 | int code; | |
887 | char *fmt; | |
888 | caddr_t pvar; | |
889 | { | |
890 | if (whoami) { | |
891 | fputs(whoami, stderr); | |
892 | fputs(": ", stderr); | |
893 | } | |
894 | if (code) { | |
895 | fputs(error_message(code), stderr); | |
896 | } | |
897 | if (fmt) { | |
898 | _doprnt(fmt, pvar, stderr); | |
899 | } | |
900 | putc('\n', stderr); | |
901 | fflush(stderr); | |
902 | } |