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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 | * |
3e9b5b7b | 10 | * Server for user registration with SMS 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 | |
14 | * SMS server as it is linked with libsmsglue which bypasses | |
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> |
a640951a | 23 | #include "reg_svr.h" |
f46fccfa | 24 | #include "admin_server.h" |
007fdd80 | 25 | #include "admin_err.h" |
a9b2e5c9 | 26 | #include "krb_et.h" |
47baf534 | 27 | |
f46fccfa | 28 | extern char admin_errmsg[]; |
47baf534 | 29 | |
f3c010f8 | 30 | static char krbhst[BUFSIZ]; /* kerberos server name */ |
31 | static char krbrealm[REALM_SZ]; /* kerberos realm name */ | |
3f5f9b08 | 32 | void reg_com_err_hook(); |
33 | ||
f3c010f8 | 34 | |
bac67528 | 35 | main(argc,argv) |
36 | int argc; | |
37 | char *argv[]; | |
47baf534 | 38 | { |
3e9b5b7b | 39 | struct msg message; /* Storage for parsed packet */ |
29bc4461 | 40 | int status = SUCCESS; /* Error status */ |
bac67528 | 41 | char retval[BUFSIZ]; /* Buffer to hold return message for client */ |
42 | ||
a640951a | 43 | void req_initialize(); /* Initialize request layer */ |
44 | void get_request(); /* Get a request */ | |
45 | void report(); /* Respond to a request */ | |
bac67528 | 46 | |
a640951a | 47 | /* Initialize */ |
bac67528 | 48 | whoami = argv[0]; |
a640951a | 49 | |
50 | /* Use com_err or output to stderr for all log messages. */ | |
51 | #ifdef DEBUG | |
52 | fprintf(stderr,"*** Debugging messages enabled. ***\n"); | |
53 | #endif DEBUG | |
54 | ||
3e9b5b7b | 55 | /* Error messages sent one line at a time */ |
f46fccfa | 56 | setlinebuf(stderr); |
3f5f9b08 | 57 | setlinebuf(stdout); |
58 | set_com_err_hook(reg_com_err_hook); | |
47baf534 | 59 | |
29bc4461 | 60 | /* Initialize user registration error table for com_err */ |
47baf534 | 61 | init_ureg_err_tbl(); |
3e9b5b7b | 62 | |
3e9b5b7b | 63 | /* Connect to the SMS server */ |
9a2d61b0 | 64 | if ((status = sms_connect(SMS_SERVER)) != SMS_SUCCESS) |
3e9b5b7b | 65 | { |
bac67528 | 66 | com_err(whoami, status, " on connect"); |
78eff417 | 67 | exit(1); |
68 | } | |
3e9b5b7b | 69 | |
70 | /* Authorize, telling the server who you are */ | |
bac67528 | 71 | if ((status = sms_auth(whoami)) != SMS_SUCCESS) |
3e9b5b7b | 72 | { |
bac67528 | 73 | com_err(whoami, status, " on auth"); |
78eff417 | 74 | exit(1); |
75 | } | |
a640951a | 76 | |
851819f1 | 77 | if (status = krb_get_lrealm(krbrealm, 1)) { |
a9b2e5c9 | 78 | status += ERROR_TABLE_BASE_krb; |
f3c010f8 | 79 | com_err(whoami, status, " fetching kerberos realm"); |
80 | exit(1); | |
81 | } | |
a640951a | 82 | |
851819f1 | 83 | if (status = krb_get_krbhst(krbhst, krbrealm, 1)) { |
a9b2e5c9 | 84 | status += ERROR_TABLE_BASE_krb; |
f3c010f8 | 85 | com_err(whoami, status, " fetching kerberos hostname"); |
86 | exit(1); | |
87 | } else { | |
88 | char *s; | |
89 | for (s = krbhst; *s && *s != '.'; s++) | |
90 | if (isupper(*s)) | |
91 | *s = tolower(*s); | |
92 | *s = 0; | |
93 | } | |
0349fd4d | 94 | |
95 | journal = fopen(JOURNAL, "a"); | |
96 | if (journal == NULL) { | |
97 | com_err(whoami, errno, " while opening journal file"); | |
98 | exit(1); | |
99 | } | |
a640951a | 100 | |
101 | /* Allow request layer to initialize */ | |
102 | req_initialize(); | |
103 | ||
3e9b5b7b | 104 | /* Sit around waiting for requests from the client. */ |
105 | for (;;) | |
106 | { | |
a640951a | 107 | get_request(&message); |
3e9b5b7b | 108 | |
3e9b5b7b | 109 | switch((int)message.request) |
110 | { | |
111 | case UREG_VERIFY_USER: | |
bac67528 | 112 | status = verify_user(&message,retval); |
47baf534 | 113 | break; |
3e9b5b7b | 114 | case UREG_RESERVE_LOGIN: |
bac67528 | 115 | status = reserve_user(&message,retval); |
47baf534 | 116 | break; |
3e9b5b7b | 117 | case UREG_SET_PASSWORD: |
3f5f9b08 | 118 | case UREG_GET_KRB: |
bac67528 | 119 | status = set_password(&message,retval); |
47baf534 | 120 | break; |
3f5f9b08 | 121 | case UREG_SET_IDENT: |
122 | status = set_identity(&message,retval); | |
123 | break; | |
3e9b5b7b | 124 | default: |
47baf534 | 125 | status = UREG_UNKNOWN_REQUEST; |
a640951a | 126 | critical_alert(FAIL_INST,"Unknown request %d from userreg.", |
127 | message.request); | |
47baf534 | 128 | break; |
129 | } | |
47baf534 | 130 | |
3e9b5b7b | 131 | /* Report what happened to client */ |
a640951a | 132 | report(status, retval); |
47baf534 | 133 | } |
134 | } | |
135 | ||
eb39a9ea | 136 | /* This is necessary so that this server can know where to put its |
137 | tickets. */ | |
138 | char *tkt_string() | |
139 | { | |
140 | return("/tmp/tkt_ureg"); | |
141 | } | |
142 | ||
bac67528 | 143 | int parse_encrypted(message,data) |
3e9b5b7b | 144 | struct msg *message; /* Formatted packet */ |
bac67528 | 145 | struct db_data *data; /* Data from the SMS database */ |
3e9b5b7b | 146 | /* This routine makes sure that the ID from the database matches |
147 | the ID sent accross in the packet. The information in the packet | |
148 | was created in the following way: | |
149 | ||
803d15cb | 150 | The plain text ID number was encrypted via EncryptID() resulting |
151 | in the form that would appear in the SMS database. This is | |
29bc4461 | 152 | concatinated to the plain text ID so that the ID string contains plain |
153 | text ID followed by a null followed by the encrypted ID. Other | |
154 | information such as the username or password is appended. The whole | |
155 | thing is then DES encrypted using the encrypted ID as the source of | |
156 | the key. | |
3e9b5b7b | 157 | |
158 | This routine tries each encrypted ID in the database that belongs | |
159 | to someone with this user's first and last name and tries to | |
bac67528 | 160 | decrypt the packet with this information. If it succeeds, it returns |
29bc4461 | 161 | zero and initializes all the fields of the formatted packet structure |
162 | that depend on the encrypted information. */ | |
47baf534 | 163 | { |
3e9b5b7b | 164 | C_Block key; /* The key for DES en/decryption */ |
165 | Key_schedule sched; /* En/decryption schedule */ | |
166 | static char decrypt[BUFSIZ]; /* Buffer to hold decrypted information */ | |
167 | long decrypt_len; /* Length of decypted ID information */ | |
168 | char recrypt[14]; /* Buffer to hold re-encrypted information */ | |
169 | static char hashid[14]; /* Buffer to hold one-way encrypted ID */ | |
170 | char idnumber[BUFSIZ]; /* Buffer to hold plain-text ID */ | |
bac67528 | 171 | char *temp; /* A temporary string pointer */ |
172 | int len; /* Keeps track of length left in packet */ | |
29bc4461 | 173 | int status = SUCCESS; /* Error status */ |
3e9b5b7b | 174 | |
bac67528 | 175 | #ifdef DEBUG |
176 | com_err(whoami,0,"Entering parse_encrypted"); | |
177 | #endif | |
178 | ||
3e9b5b7b | 179 | /* Make the decrypted information length the same as the encrypted |
180 | information length. Both are integral multples of eight bytes | |
181 | because of the DES encryption routines. */ | |
bac67528 | 182 | decrypt_len = (long)message->encrypted_len; |
47baf534 | 183 | |
3e9b5b7b | 184 | /* Get key from the one-way encrypted ID in the SMS database */ |
bac67528 | 185 | string_to_key(data->mit_id, key); |
3e9b5b7b | 186 | /* Get schedule from key */ |
47baf534 | 187 | key_sched(key, sched); |
3e9b5b7b | 188 | /* Decrypt information from packet using this key. Since decrypt_len |
189 | is an integral multiple of eight bytes, it will probably be null- | |
190 | padded. */ | |
bac67528 | 191 | pcbc_encrypt(message->encrypted,decrypt, decrypt_len, sched, key, DECRYPT); |
3e9b5b7b | 192 | |
193 | /* Extract the plain text and encrypted ID fields from the decrypted | |
194 | packet information. */ | |
195 | /* Since the decrypted information starts with the plain-text ID | |
196 | followed by a null, if the decryption worked, this will only | |
197 | copy the plain text part of the decrypted information. It is | |
198 | important that strncpy be used because if we are not using the | |
199 | correct key, there is no guarantee that a null will occur | |
200 | anywhere in the string. */ | |
29bc4461 | 201 | (void) strncpy(idnumber,decrypt,(int)decrypt_len); |
3e9b5b7b | 202 | /* Point temp to the end of the plain text ID number. */ |
47baf534 | 203 | temp = decrypt + strlen(idnumber) + 1; |
29bc4461 | 204 | /* Find out how much more packet there is. */ |
bac67528 | 205 | len = message->encrypted_len - (temp - decrypt); |
29bc4461 | 206 | /* Copy the next CRYPT_LEN bytes of the decrypted information into |
207 | hashid if there are CRYPT_LEN more bytes to copy. There will be | |
3e9b5b7b | 208 | if we have the right key. */ |
29bc4461 | 209 | (void) strncpy(hashid, temp, min(len, CRYPT_LEN)); |
3e9b5b7b | 210 | /* Point temp to the end of the encrypted ID field */ |
47baf534 | 211 | temp += strlen(hashid) + 1; |
3e9b5b7b | 212 | /* Find out how much more room there is. */ |
bac67528 | 213 | len = message->encrypted_len - (temp - decrypt); |
3e9b5b7b | 214 | |
bac67528 | 215 | /* Now compare encrypted ID's don't match. */ |
803d15cb | 216 | if (strcmp(hashid, data->mit_id)) status = FAILURE; |
29bc4461 | 217 | if (status == SUCCESS) |
3e9b5b7b | 218 | { |
803d15cb | 219 | EncryptID(recrypt, idnumber, message->first, message->last); |
bac67528 | 220 | /* Now compare encrypted plain text to ID from database. */ |
803d15cb | 221 | if (strcmp(recrypt, data->mit_id)) status = FAILURE; |
47baf534 | 222 | } |
3e9b5b7b | 223 | |
29bc4461 | 224 | if (status == SUCCESS) |
bac67528 | 225 | { |
226 | /* We made it. Now we can finish initializing message. */ | |
227 | /* Point leftover to whatever is left over! */ | |
228 | message->leftover = temp; | |
229 | message->leftover_len = len; | |
230 | /* Since we know we have the right user, fill in the information | |
231 | from the SMS database. */ | |
232 | message->db.reg_status = data->reg_status; | |
29bc4461 | 233 | (void) strncpy(message->db.uid,data->uid, sizeof(message->db.uid)); |
234 | (void) strncpy(message->db.mit_id,data->mit_id, | |
235 | sizeof(message->db.mit_id)); | |
236 | (void) strncpy(message->db.login,data->login, sizeof(message->db.login)); | |
bac67528 | 237 | } |
47baf534 | 238 | |
bac67528 | 239 | #ifdef DEBUG |
240 | if (status) | |
29bc4461 | 241 | com_err(whoami,status," parse_encrypted failed."); |
bac67528 | 242 | else |
29bc4461 | 243 | com_err(whoami,status,"parse_encrypted succeeded."); |
bac67528 | 244 | #endif |
47baf534 | 245 | |
47baf534 | 246 | return status; |
247 | } | |
248 | ||
bac67528 | 249 | int db_callproc(argc,argv,queue) |
250 | int argc; /* Number of arguments returned by SMS */ | |
251 | char *argv[]; /* Arguments returned by SMS */ | |
252 | struct save_queue *queue; /* Queue to save information in */ | |
253 | /* This function is called by sms_query after each tuple found. It is | |
29bc4461 | 254 | used by find_user to cache information about each user found. */ |
47baf534 | 255 | { |
bac67528 | 256 | struct db_data *data; /* Structure to store the information in */ |
29bc4461 | 257 | int status = SUCCESS; /* Error status */ |
47baf534 | 258 | |
bac67528 | 259 | #ifdef DEBUG |
260 | com_err(whoami,0,"Entering db_callproc."); | |
261 | #endif | |
262 | ||
29bc4461 | 263 | if (argc != U_END) |
3e9b5b7b | 264 | { |
a640951a | 265 | critical_alert |
266 | (FAIL_INST, | |
267 | "Wrong number of arguments returned from get_user_by_name."); | |
803d15cb | 268 | status = SMS_ABORT; |
f46fccfa | 269 | } |
bac67528 | 270 | else |
3e9b5b7b | 271 | { |
bac67528 | 272 | /* extract the needed information from the results of the SMS query */ |
273 | data = (struct db_data *)malloc(sizeof(struct db_data)); | |
29bc4461 | 274 | data->reg_status = atoi(argv[U_STATE]); |
275 | (void) strncpy(data->login,argv[U_NAME],sizeof(data->login)); | |
276 | (void) strncpy(data->mit_id,argv[U_MITID],sizeof(data->mit_id)); | |
277 | (void) strncpy(data->uid,argv[U_UID],sizeof(data->uid)); | |
bac67528 | 278 | #ifdef DEBUG |
279 | fprintf(stderr,"Found in database:\n"); | |
280 | fprintf(stderr," Registration status: %d\n",data->reg_status); | |
281 | fprintf(stderr," login: %s\n",data->login); | |
282 | fprintf(stderr," MIT ID: %s\n",data->mit_id); | |
283 | fprintf(stderr," uid: %s\n",data->uid); | |
284 | #endif | |
285 | sq_save_data(queue,data); | |
47baf534 | 286 | } |
bac67528 | 287 | |
288 | return status; | |
289 | } | |
3e9b5b7b | 290 | |
bac67528 | 291 | int find_user(message) |
292 | struct msg *message; /* Formatted packet structure */ | |
293 | /* This routine verifies that a user is allowed to register by finding | |
294 | him/her in the SMS database. It returns the status of the SMS | |
295 | query that it calls. */ | |
296 | { | |
803d15cb | 297 | #define GUBN_ARGS 2 /* Arguements needed by get_user_by_name */ |
bac67528 | 298 | char *q_name; /* Name of query */ |
29bc4461 | 299 | int q_argc; /* Number of arguments for query */ |
300 | char *q_argv[GUBN_ARGS]; /* Arguments to query */ | |
301 | int status = SUCCESS; /* Query return status */ | |
bac67528 | 302 | |
303 | struct save_queue *queue; /* Queue to hold SMS data */ | |
304 | struct db_data *data; /* Structure for data for one tuple */ | |
29bc4461 | 305 | short verified = FALSE; /* Have we verified the user? */ |
bac67528 | 306 | |
307 | /* Zero the mit_id field in the formatted packet structure. This | |
308 | being zeroed means that no user was found. */ | |
309 | bzero(message->db.mit_id,sizeof(message->db.mit_id)); | |
310 | ||
29bc4461 | 311 | if (status == SUCCESS) |
3e9b5b7b | 312 | { |
bac67528 | 313 | /* Get ready to make an SMS query */ |
314 | q_name = "get_user_by_name"; | |
29bc4461 | 315 | q_argc = GUBN_ARGS; /* #defined in this routine */ |
bac67528 | 316 | q_argv[0] = message->first; |
317 | q_argv[1] = message->last; | |
318 | ||
319 | /* Create queue to hold information */ | |
320 | queue = sq_create(); | |
321 | ||
322 | /* Do it */ | |
323 | status = sms_query(q_name,q_argc,q_argv,db_callproc,(char *)queue); | |
324 | ||
325 | #ifdef DEBUG | |
803d15cb | 326 | fprintf(stderr," %d returned by get_user_by_name\n",status); |
bac67528 | 327 | #endif |
328 | ||
329 | if (status == SMS_SUCCESS) | |
330 | { | |
331 | /* Traverse the list, freeing data as we go. If sq_get_data() | |
332 | returns zero if there is no more data on the queue. */ | |
333 | while (sq_get_data(queue,&data)) | |
334 | { | |
335 | if (!verified) | |
336 | /* parse_encrypted returns zero on success */ | |
29bc4461 | 337 | verified = (parse_encrypted(message,data) == SUCCESS); |
338 | free((char *)data); | |
bac67528 | 339 | } |
340 | } | |
29bc4461 | 341 | |
342 | /* Destroy the queue */ | |
343 | sq_destroy(queue); | |
47baf534 | 344 | } |
47baf534 | 345 | |
bac67528 | 346 | #ifdef DEBUG |
347 | fprintf(stderr,"Returned from find_user\n"); | |
348 | fprintf(stderr," MIT ID: %s\n", message->db.mit_id); | |
349 | fprintf(stderr," Registration status: %d\n",message->db.reg_status); | |
350 | fprintf(stderr," uid: %s\n",message->db.uid); | |
351 | fprintf(stderr," login: %s\n",message->db.login); | |
352 | fprintf(stderr," Status from query: %d\n",status); | |
353 | #endif DEBGUG | |
354 | ||
355 | return status; | |
356 | } | |
357 | ||
bac67528 | 358 | int verify_user(message,retval) |
3e9b5b7b | 359 | struct msg *message; |
bac67528 | 360 | char *retval; |
29bc4461 | 361 | /* This routine determines whether a user is in the databse and returns |
362 | his state so that other routines can figure out whether he is the | |
363 | correct state for various transactions. */ | |
364 | ||
47baf534 | 365 | { |
29bc4461 | 366 | int status = SUCCESS; /* Return status */ |
bac67528 | 367 | |
368 | /* Log that we are about to veryify user */ | |
369 | com_err(whoami,0,"verify_user %s %s",message->first,message->last); | |
370 | ||
371 | /* Figure out what user (if any) can be found based on the | |
372 | encrypted information in the packet. (See the comment on | |
373 | parse_encrypted().) */ | |
bac67528 | 374 | |
375 | status = find_user(message); | |
376 | ||
377 | /* If SMS coudn't find the user */ | |
378 | if (status == SMS_NO_MATCH) | |
f46fccfa | 379 | status = UREG_USER_NOT_FOUND; |
bac67528 | 380 | else if (status == SMS_SUCCESS) |
3e9b5b7b | 381 | { |
bac67528 | 382 | /* If the information sent over in the packet did not point to a |
383 | valid user, the mit_id field in the formatted packet structure | |
384 | will be empty. */ | |
29bc4461 | 385 | if (message->db.mit_id[0] == NULL) |
bac67528 | 386 | status = UREG_USER_NOT_FOUND; |
387 | /* If the user was found but the registration has already started, | |
388 | use this as the status */ | |
389 | else | |
390 | { | |
391 | switch (message->db.reg_status) | |
392 | { | |
29bc4461 | 393 | case US_NO_LOGIN_YET: |
bac67528 | 394 | status = SUCCESS; |
395 | break; | |
29bc4461 | 396 | case US_REGISTERED: |
bac67528 | 397 | status = UREG_ALREADY_REGISTERED; |
398 | break; | |
29bc4461 | 399 | case US_NO_PASSWD: |
bac67528 | 400 | status = UREG_NO_PASSWD_YET; |
401 | break; | |
29bc4461 | 402 | case US_DELETED: |
bac67528 | 403 | status = UREG_DELETED; |
404 | break; | |
29bc4461 | 405 | case US_NOT_ALLOWED: |
bac67528 | 406 | status = UREG_NOT_ALLOWED; |
407 | break; | |
3f5f9b08 | 408 | case US_ENROLLED: |
409 | status = UREG_ENROLLED; | |
410 | break; | |
411 | case US_ENROLL_NOT_ALLOWED: | |
412 | status = UREG_ENROLL_NOT_ALLOWED; | |
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 | |
29bc4461 | 426 | com_err(whoami,status," returned from verify_user"); |
bac67528 | 427 | |
47baf534 | 428 | return status; |
429 | } | |
bac67528 | 430 | |
431 | int ureg_get_tkt() | |
47baf534 | 432 | { |
29bc4461 | 433 | int status = SUCCESS; /* Return status */ |
bac67528 | 434 | |
435 | /* Get keys for interacting with Kerberos admin server. */ | |
f3c010f8 | 436 | /* principal, instance, realm, service, service instance, life, file */ |
851819f1 | 437 | if (status = krb_get_svc_in_tkt("register", "sms", krbrealm, "changepw", |
f3c010f8 | 438 | krbhst, 1, KEYFILE)) |
a9b2e5c9 | 439 | status += ERROR_TABLE_BASE_krb; |
bac67528 | 440 | |
803d15cb | 441 | #ifdef DEBUG |
442 | if (status == SUCCESS) | |
443 | com_err(whoami,status,"Succeeded in getting tickets."); | |
444 | else | |
445 | com_err(whoami,status,"Failed to get tickets."); | |
446 | #endif | |
bac67528 | 447 | return status; |
47baf534 | 448 | } |
449 | ||
bac67528 | 450 | int null_callproc(argc,argv,message) |
451 | int argc; | |
452 | char *argv[]; | |
3e9b5b7b | 453 | char *message; |
bac67528 | 454 | /* This routine is a null callback that should be used for queries that |
455 | do not return tuples. If it ever gets called, something is wrong. */ | |
47baf534 | 456 | { |
a640951a | 457 | critical_alert(FAIL_INST,"Something returned from an update query."); |
803d15cb | 458 | return FAILURE; |
47baf534 | 459 | } |
460 | ||
bac67528 | 461 | int do_admin_call(login, passwd, uid) |
29bc4461 | 462 | char *login; /* Requested kerberos principal */ |
463 | char *passwd; /* Requested password */ | |
464 | char *uid; /* Uid of user who owns this principal */ | |
465 | /* This routine gets tickets, makes the appropriate call to admin_call, | |
466 | and destroys tickets. */ | |
47baf534 | 467 | { |
bac67528 | 468 | int status; /* Error status */ |
469 | char uid_buf[20]; /* Holds uid for kerberos */ | |
470 | ||
803d15cb | 471 | com_err(whoami,0,"Entering do_admin_call"); |
472 | ||
bac67528 | 473 | if ((status = ureg_get_tkt()) == SUCCESS) |
3e9b5b7b | 474 | { |
bac67528 | 475 | /* Try to reserve kerberos principal. To do this, send a |
476 | password request and a null password. It will only succeed | |
477 | if there is no principal or the principal exists and has no | |
478 | password. */ | |
803d15cb | 479 | /* 13 chars of placebo for backwards-compatability - the admin |
480 | server protocol reqires this. */ | |
bac67528 | 481 | bzero(uid_buf,sizeof(uid_buf)); |
f3c010f8 | 482 | (void) sprintf(uid_buf, "%13s", uid); |
bac67528 | 483 | |
484 | if ((status = admin_call(ADMIN_ADD_NEW_KEY_ATTR, login, | |
485 | "", passwd, uid_buf)) != KSUCCESS) | |
3e9b5b7b | 486 | { |
29bc4461 | 487 | com_err(whoami,status," server error: %s",admin_errmsg); |
bac67528 | 488 | |
489 | if (strcmp(admin_errmsg, | |
490 | "Principal already in kerberos database.") == 0) | |
491 | status = UREG_KRB_TAKEN; | |
a640951a | 492 | critical_alert(FAIL_INST,"%s is known to Kerberos but not SMS.", |
493 | login); | |
47baf534 | 494 | } |
47baf534 | 495 | } |
bac67528 | 496 | |
497 | dest_tkt(); | |
851819f1 | 498 | com_err(whoami,status," returned from do_admin_call"); |
bac67528 | 499 | return status; |
47baf534 | 500 | } |
3e9b5b7b | 501 | |
bac67528 | 502 | int reserve_user(message,retval) |
503 | struct msg *message; | |
504 | char *retval; | |
47baf534 | 505 | { |
bac67528 | 506 | int q_argc; /* Number of arguments to query */ |
507 | char *q_argv[3]; /* Arguments to SMS query */ | |
508 | char *q_name; /* Name of SMS query */ | |
29bc4461 | 509 | int status = SUCCESS; /* General purpose error status */ |
bac67528 | 510 | char fstype_buf[7]; /* Buffer to hold fs_type, a 16 bit number */ |
511 | char *login; /* The login name the user wants */ | |
512 | register int i; /* A counter */ | |
bac67528 | 513 | |
803d15cb | 514 | /* Log that we are about to reserve a user. */ |
29bc4461 | 515 | com_err(whoami, 0, "reserve_user %s %s", |
bac67528 | 516 | message->first, message->last); |
3e9b5b7b | 517 | |
bac67528 | 518 | /* Check to make sure that we can verify this user. */ |
519 | if ((status = verify_user(message,retval)) == SUCCESS) | |
3e9b5b7b | 520 | { |
29bc4461 | 521 | /* Get the requested login name from leftover packet information. */ |
bac67528 | 522 | login = message->leftover; |
29bc4461 | 523 | |
524 | /* Check the login name for validity. The login name is currently | |
525 | is allowed to contain lowercase letters and numbers in any | |
97ee0ded | 526 | position and underscore characters in any position but the |
527 | first. */ | |
29bc4461 | 528 | if ((strlen(login) < MIN_UNAME) || (strlen(login) > MAX_UNAME)) |
bac67528 | 529 | status = UREG_INVALID_UNAME; |
47baf534 | 530 | } |
29bc4461 | 531 | if (status == SUCCESS) |
5fff8167 | 532 | if (login[1] == '_') |
29bc4461 | 533 | status = UREG_INVALID_UNAME; |
534 | if (status == SUCCESS) | |
3e9b5b7b | 535 | { |
803d15cb | 536 | for (i = 0; i < strlen(login); i++) |
5fff8167 | 537 | if (!islower(login[i]) && !isdigit(login[i]) && |
538 | (login[i] != '_')) | |
803d15cb | 539 | { |
540 | status = UREG_INVALID_UNAME; | |
541 | break; | |
542 | } | |
47baf534 | 543 | } |
29bc4461 | 544 | if (status == SUCCESS) |
3e9b5b7b | 545 | { |
bac67528 | 546 | /* Now that we have a valid user with a valid login... */ |
547 | ||
548 | /* First, try to reserve the user in SMS. */ | |
29bc4461 | 549 | (void) sprintf(fstype_buf,"%d",SMS_FS_STUDENT); |
bac67528 | 550 | q_name = "register_user"; |
551 | q_argv[0] = message->db.uid; | |
552 | q_argv[1] = login; | |
553 | q_argv[2] = fstype_buf; | |
554 | q_argc = 3; | |
29bc4461 | 555 | status = sms_query(q_name,q_argc,q_argv,null_callproc,(char *)0); |
bac67528 | 556 | switch (status) |
557 | { | |
558 | case SMS_SUCCESS: | |
559 | status = SUCCESS; | |
560 | break; | |
561 | case SMS_IN_USE: | |
562 | status = UREG_LOGIN_USED; | |
563 | break; | |
564 | default: | |
a640951a | 565 | critical_alert(FAIL_INST,"%s returned from register_user.", |
566 | error_message(status)); | |
9700b15a | 567 | status = UREG_MISC_ERROR; |
bac67528 | 568 | break; |
569 | } | |
47baf534 | 570 | } |
29bc4461 | 571 | if (status == SUCCESS) |
3e9b5b7b | 572 | { |
bac67528 | 573 | /* SMS login was successfully created; try to reserve kerberos |
574 | principal. */ | |
29bc4461 | 575 | /* If this routine fails, store the login in the retval so |
bac67528 | 576 | that it can be used in the client-side error message. */ |
577 | if ((status = do_admin_call(login, "", message->db.uid)) != SUCCESS) | |
29bc4461 | 578 | (void) strcpy(retval, login); |
47baf534 | 579 | } |
bac67528 | 580 | |
29bc4461 | 581 | com_err(whoami, status, " returned from reserve_user"); |
bac67528 | 582 | |
47baf534 | 583 | return status; |
bac67528 | 584 | } |
47baf534 | 585 | |
3f5f9b08 | 586 | int set_final_status(message) |
587 | struct msg *message; | |
803d15cb | 588 | /* This routine updates a user's registration status to fully |
29bc4461 | 589 | registered. */ |
47baf534 | 590 | { |
3f5f9b08 | 591 | char *login; |
bac67528 | 592 | char *q_name; /* Name of SMS query */ |
593 | int q_argc; /* Number of arguments for SMS query */ | |
594 | char *q_argv[2]; /* Arguments to get user by uid */ | |
29bc4461 | 595 | char state[7]; /* Can hold a 16 bit integer */ |
bac67528 | 596 | int status; /* Error status */ |
597 | ||
3f5f9b08 | 598 | if (message->request == UREG_SET_PASSWORD) |
599 | (void) sprintf(state,"%d",US_REGISTERED); | |
600 | else if (message->db.reg_status == US_NO_LOGIN_YET) | |
601 | (void) sprintf(state,"%d",US_ENROLLED); | |
602 | else | |
603 | (void) sprintf(state,"%d",US_ENROLL_NOT_ALLOWED); | |
604 | ||
605 | login = message->db.login; | |
606 | com_err(whoami, 0, "Setting final status for %s to %s", login, state); | |
bac67528 | 607 | |
608 | q_name = "update_user_status"; | |
609 | q_argc = 2; | |
610 | q_argv[0] = login; | |
29bc4461 | 611 | q_argv[1] = state; |
bac67528 | 612 | if ((status = sms_query(q_name, q_argc, q_argv, null_callproc, |
613 | (char *)0)) != SMS_SUCCESS) | |
a640951a | 614 | critical_alert(FAIL_INST,"%s returned from update_user_status.", |
615 | error_message(status)); | |
3e9b5b7b | 616 | |
29bc4461 | 617 | com_err(whoami,status," returned from set_final_status"); |
f46fccfa | 618 | return status; |
bac67528 | 619 | } |
f46fccfa | 620 | |
bac67528 | 621 | |
622 | int set_password(message,retval) | |
623 | struct msg *message; | |
624 | char *retval; | |
625 | /* This routine is used to set the initial password for the new user. */ | |
47baf534 | 626 | { |
29bc4461 | 627 | int status = SUCCESS; /* Return status */ |
bac67528 | 628 | char *passwd; /* User's password */ |
bac67528 | 629 | |
29bc4461 | 630 | com_err(whoami, 0, " set_password %s %s", |
bac67528 | 631 | message->first, message->last); |
632 | ||
633 | status = verify_user(message,retval); | |
634 | ||
635 | /* Don't set the password unless the registration status of the user | |
636 | is that he exists and has no password. */ | |
637 | if (status == SUCCESS) | |
638 | status = UREG_NO_LOGIN_YET; | |
639 | if (status == UREG_NO_PASSWD_YET) | |
3e9b5b7b | 640 | { |
bac67528 | 641 | /* User is in proper state for this transaction. */ |
642 | ||
643 | passwd = message->leftover; | |
644 | ||
645 | /* Set password. */ | |
646 | if ((status = do_admin_call(message->db.login, | |
647 | passwd, message->db.uid)) != SUCCESS) | |
648 | /* If failure, allow login name to be used in client | |
649 | error message */ | |
29bc4461 | 650 | (void) strcpy(retval,message->db.login); |
bac67528 | 651 | else |
652 | /* Otherwise, mark user as finished. */ | |
3f5f9b08 | 653 | status = set_final_status(message); |
bac67528 | 654 | } |
29bc4461 | 655 | com_err(whoami, status, " returned from set_passwd"); |
47baf534 | 656 | |
bac67528 | 657 | return status; |
658 | } | |
3f5f9b08 | 659 | |
660 | ||
661 | int getuserinfo(argc, argv, qargv) | |
662 | int argc; | |
663 | char **argv; | |
664 | char **qargv; | |
665 | { | |
666 | int status = SUCCESS; | |
667 | ||
668 | if (argc != U_END) { | |
669 | critical_alert(FAIL_INST, | |
670 | "Wrong number of args returned from get_user_by_uid"); | |
671 | status = SMS_ABORT; | |
672 | } else { | |
673 | qargv[U_NAME] = strsave(argv[U_NAME]); | |
674 | qargv[U_UID+1] = strsave(argv[U_UID]); | |
675 | qargv[U_SHELL+1] = strsave(argv[U_SHELL]); | |
676 | qargv[U_LAST+1] = strsave(argv[U_LAST]); | |
677 | qargv[U_FIRST+1] = strsave(argv[U_FIRST]); | |
678 | qargv[U_MIDDLE+1] = strsave(argv[U_MIDDLE]); | |
679 | qargv[U_STATE+1] = strsave(argv[U_STATE]); | |
680 | qargv[U_MITID+1] = strsave(argv[U_MITID]); | |
681 | qargv[U_CLASS+1] = strsave(argv[U_CLASS]); | |
682 | qargv[U_MODTIME+1] = NULL; | |
683 | } | |
684 | return(status); | |
685 | } | |
686 | ||
687 | ||
688 | int set_identity(message,retval) | |
689 | struct msg *message; | |
690 | char *retval; | |
691 | { | |
692 | int q_argc; /* Number of arguments to query */ | |
693 | char *q_argv[U_END]; /* Arguments to SMS query */ | |
694 | char *q_name; /* Name of SMS query */ | |
695 | int status = SUCCESS; /* General purpose error status */ | |
696 | char fstype_buf[7]; /* Buffer to hold fs_type, a 16 bit number */ | |
697 | char *login; /* The login name the user wants */ | |
698 | register int i; /* A counter */ | |
699 | ||
700 | /* Log that we are about to reserve a user. */ | |
701 | com_err(whoami, 0, "set_identity %s %s", | |
702 | message->first, message->last); | |
703 | ||
704 | /* Check to make sure that we can verify this user. */ | |
705 | status = verify_user(message,retval); | |
706 | if (status == SUCCESS || status == UREG_NOT_ALLOWED) | |
707 | { | |
708 | status = SUCCESS; | |
709 | /* Get the requested login name from leftover packet information. */ | |
710 | login = message->leftover; | |
711 | ||
712 | /* Check the login name for validity. The login name is currently | |
713 | is allowed to contain lowercase letters and numbers in any | |
714 | position and underscore characters in any position but the | |
715 | first. */ | |
716 | if ((strlen(login) < MIN_UNAME) || (strlen(login) > MAX_UNAME)) | |
717 | status = UREG_INVALID_UNAME; | |
718 | } | |
719 | if (status == SUCCESS) | |
720 | if (login[1] == '_') | |
721 | status = UREG_INVALID_UNAME; | |
722 | if (status == SUCCESS) | |
723 | { | |
724 | for (i = 0; i < strlen(login); i++) | |
725 | if (!islower(login[i]) && !isdigit(login[i]) && | |
726 | (login[i] != '_')) | |
727 | { | |
728 | status = UREG_INVALID_UNAME; | |
729 | break; | |
730 | } | |
731 | } | |
732 | if (status == SUCCESS) | |
733 | { | |
734 | /* Now that we have a valid user with a valid login... */ | |
735 | ||
736 | q_argv[0] = message->db.uid; | |
737 | status = sms_query("get_user_by_uid", 1, q_argv, getuserinfo, q_argv); | |
738 | if (status != SUCCESS) { | |
739 | com_err(whoami, status, " while getting user info"); | |
740 | return(status); | |
741 | } | |
742 | q_argv[U_NAME+1] = login; | |
743 | status = sms_query("update_user", U_MODTIME+1, q_argv, | |
744 | null_callproc, NULL); | |
745 | switch (status) | |
746 | { | |
747 | case SMS_SUCCESS: | |
748 | status = SUCCESS; | |
749 | break; | |
750 | case SMS_IN_USE: | |
751 | status = UREG_LOGIN_USED; | |
752 | break; | |
753 | default: | |
754 | critical_alert(FAIL_INST,"%s returned from update_user.", | |
755 | error_message(status)); | |
756 | status = UREG_MISC_ERROR; | |
757 | break; | |
758 | } | |
759 | } | |
760 | if (status == SUCCESS) | |
761 | { | |
762 | /* SMS login was successfully created; try to reserve kerberos | |
763 | principal. */ | |
764 | /* If this routine fails, store the login in the retval so | |
765 | that it can be used in the client-side error message. */ | |
766 | if ((status = do_admin_call(login, "", message->db.uid)) != SUCCESS) | |
767 | (void) strcpy(retval, login); | |
768 | } | |
769 | ||
770 | com_err(whoami, status, " returned from set_identity"); | |
771 | ||
772 | return status; | |
773 | } | |
774 | ||
775 | ||
776 | void reg_com_err_hook(whoami, code, fmt, pvar) | |
777 | char *whoami; | |
778 | int code; | |
779 | char *fmt; | |
780 | caddr_t pvar; | |
781 | { | |
782 | if (whoami) { | |
783 | fputs(whoami, stderr); | |
784 | fputs(": ", stderr); | |
785 | } | |
786 | if (code) { | |
787 | fputs(error_message(code), stderr); | |
788 | } | |
789 | if (fmt) { | |
790 | _doprnt(fmt, pvar, stderr); | |
791 | } | |
792 | putc('\n', stderr); | |
793 | fflush(stderr); | |
794 | } |