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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 | |
40174425 | 14 | * Moira server as it is linked with libsmsglue 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> | |
34 | #include "sms.h" | |
35 | #include "sms_app.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 */ | |
9a2d61b0 | 76 | if ((status = sms_connect(SMS_SERVER)) != SMS_SUCCESS) |
3e9b5b7b | 77 | { |
40174425 | 78 | com_err(whoami, status, " on sms_connect"); |
78eff417 | 79 | exit(1); |
80 | } | |
3e9b5b7b | 81 | |
82 | /* Authorize, telling the server who you are */ | |
bac67528 | 83 | if ((status = sms_auth(whoami)) != SMS_SUCCESS) |
3e9b5b7b | 84 | { |
40174425 | 85 | com_err(whoami, status, " on sms_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); |
3e9b5b7b | 190 | /* Point temp to the end of the plain text ID number. */ |
47baf534 | 191 | temp = decrypt + strlen(idnumber) + 1; |
29bc4461 | 192 | /* Find out how much more packet there is. */ |
bac67528 | 193 | len = message->encrypted_len - (temp - decrypt); |
29bc4461 | 194 | /* Copy the next CRYPT_LEN bytes of the decrypted information into |
195 | hashid if there are CRYPT_LEN more bytes to copy. There will be | |
3e9b5b7b | 196 | if we have the right key. */ |
29bc4461 | 197 | (void) strncpy(hashid, temp, min(len, CRYPT_LEN)); |
3e9b5b7b | 198 | /* Point temp to the end of the encrypted ID field */ |
47baf534 | 199 | temp += strlen(hashid) + 1; |
3e9b5b7b | 200 | /* Find out how much more room there is. */ |
bac67528 | 201 | len = message->encrypted_len - (temp - decrypt); |
3e9b5b7b | 202 | |
bac67528 | 203 | /* Now compare encrypted ID's don't match. */ |
803d15cb | 204 | if (strcmp(hashid, data->mit_id)) status = FAILURE; |
29bc4461 | 205 | if (status == SUCCESS) |
3e9b5b7b | 206 | { |
803d15cb | 207 | EncryptID(recrypt, idnumber, message->first, message->last); |
bac67528 | 208 | /* Now compare encrypted plain text to ID from database. */ |
803d15cb | 209 | if (strcmp(recrypt, data->mit_id)) status = FAILURE; |
47baf534 | 210 | } |
3e9b5b7b | 211 | |
29bc4461 | 212 | if (status == SUCCESS) |
bac67528 | 213 | { |
214 | /* We made it. Now we can finish initializing message. */ | |
215 | /* Point leftover to whatever is left over! */ | |
216 | message->leftover = temp; | |
217 | message->leftover_len = len; | |
218 | /* Since we know we have the right user, fill in the information | |
40174425 | 219 | from the Moira database. */ |
bac67528 | 220 | message->db.reg_status = data->reg_status; |
29bc4461 | 221 | (void) strncpy(message->db.uid,data->uid, sizeof(message->db.uid)); |
222 | (void) strncpy(message->db.mit_id,data->mit_id, | |
223 | sizeof(message->db.mit_id)); | |
224 | (void) strncpy(message->db.login,data->login, sizeof(message->db.login)); | |
bac67528 | 225 | } |
47baf534 | 226 | |
bac67528 | 227 | #ifdef DEBUG |
228 | if (status) | |
40174425 | 229 | com_err(whoami, status, " in parse_encrypted"); |
bac67528 | 230 | else |
40174425 | 231 | com_err(whoami, status, "parse_encrypted succeeded"); |
bac67528 | 232 | #endif |
47baf534 | 233 | |
47baf534 | 234 | return status; |
235 | } | |
236 | ||
bac67528 | 237 | int db_callproc(argc,argv,queue) |
40174425 | 238 | int argc; /* Number of arguments returned by Moira */ |
239 | char *argv[]; /* Arguments returned by Moira */ | |
bac67528 | 240 | struct save_queue *queue; /* Queue to save information in */ |
241 | /* This function is called by sms_query after each tuple found. It is | |
29bc4461 | 242 | used by find_user to cache information about each user found. */ |
47baf534 | 243 | { |
bac67528 | 244 | struct db_data *data; /* Structure to store the information in */ |
29bc4461 | 245 | int status = SUCCESS; /* Error status */ |
47baf534 | 246 | |
bac67528 | 247 | #ifdef DEBUG |
40174425 | 248 | com_err(whoami, 0, "Entering db_callproc."); |
bac67528 | 249 | #endif |
250 | ||
29bc4461 | 251 | if (argc != U_END) |
3e9b5b7b | 252 | { |
a640951a | 253 | critical_alert |
254 | (FAIL_INST, | |
255 | "Wrong number of arguments returned from get_user_by_name."); | |
803d15cb | 256 | status = SMS_ABORT; |
f46fccfa | 257 | } |
bac67528 | 258 | else |
3e9b5b7b | 259 | { |
40174425 | 260 | /* extract the needed information from the results of the Moira query */ |
bac67528 | 261 | data = (struct db_data *)malloc(sizeof(struct db_data)); |
29bc4461 | 262 | data->reg_status = atoi(argv[U_STATE]); |
263 | (void) strncpy(data->login,argv[U_NAME],sizeof(data->login)); | |
264 | (void) strncpy(data->mit_id,argv[U_MITID],sizeof(data->mit_id)); | |
265 | (void) strncpy(data->uid,argv[U_UID],sizeof(data->uid)); | |
bac67528 | 266 | #ifdef DEBUG |
267 | fprintf(stderr,"Found in database:\n"); | |
268 | fprintf(stderr," Registration status: %d\n",data->reg_status); | |
269 | fprintf(stderr," login: %s\n",data->login); | |
270 | fprintf(stderr," MIT ID: %s\n",data->mit_id); | |
271 | fprintf(stderr," uid: %s\n",data->uid); | |
272 | #endif | |
273 | sq_save_data(queue,data); | |
47baf534 | 274 | } |
bac67528 | 275 | |
276 | return status; | |
277 | } | |
3e9b5b7b | 278 | |
bac67528 | 279 | int find_user(message) |
280 | struct msg *message; /* Formatted packet structure */ | |
281 | /* This routine verifies that a user is allowed to register by finding | |
40174425 | 282 | him/her in the Moira database. It returns the status of the Moira |
bac67528 | 283 | query that it calls. */ |
284 | { | |
803d15cb | 285 | #define GUBN_ARGS 2 /* Arguements needed by get_user_by_name */ |
bac67528 | 286 | char *q_name; /* Name of query */ |
29bc4461 | 287 | int q_argc; /* Number of arguments for query */ |
288 | char *q_argv[GUBN_ARGS]; /* Arguments to query */ | |
289 | int status = SUCCESS; /* Query return status */ | |
bac67528 | 290 | |
40174425 | 291 | struct save_queue *queue; /* Queue to hold Moira data */ |
bac67528 | 292 | struct db_data *data; /* Structure for data for one tuple */ |
29bc4461 | 293 | short verified = FALSE; /* Have we verified the user? */ |
bac67528 | 294 | |
295 | /* Zero the mit_id field in the formatted packet structure. This | |
296 | being zeroed means that no user was found. */ | |
297 | bzero(message->db.mit_id,sizeof(message->db.mit_id)); | |
298 | ||
29bc4461 | 299 | if (status == SUCCESS) |
3e9b5b7b | 300 | { |
40174425 | 301 | /* Get ready to make an Moira query */ |
bac67528 | 302 | q_name = "get_user_by_name"; |
29bc4461 | 303 | q_argc = GUBN_ARGS; /* #defined in this routine */ |
bac67528 | 304 | q_argv[0] = message->first; |
305 | q_argv[1] = message->last; | |
306 | ||
307 | /* Create queue to hold information */ | |
308 | queue = sq_create(); | |
309 | ||
310 | /* Do it */ | |
311 | status = sms_query(q_name,q_argc,q_argv,db_callproc,(char *)queue); | |
312 | ||
313 | #ifdef DEBUG | |
803d15cb | 314 | fprintf(stderr," %d returned by get_user_by_name\n",status); |
bac67528 | 315 | #endif |
316 | ||
317 | if (status == SMS_SUCCESS) | |
318 | { | |
319 | /* Traverse the list, freeing data as we go. If sq_get_data() | |
320 | returns zero if there is no more data on the queue. */ | |
321 | while (sq_get_data(queue,&data)) | |
322 | { | |
323 | if (!verified) | |
324 | /* parse_encrypted returns zero on success */ | |
29bc4461 | 325 | verified = (parse_encrypted(message,data) == SUCCESS); |
326 | free((char *)data); | |
bac67528 | 327 | } |
328 | } | |
29bc4461 | 329 | |
330 | /* Destroy the queue */ | |
331 | sq_destroy(queue); | |
47baf534 | 332 | } |
47baf534 | 333 | |
bac67528 | 334 | #ifdef DEBUG |
335 | fprintf(stderr,"Returned from find_user\n"); | |
336 | fprintf(stderr," MIT ID: %s\n", message->db.mit_id); | |
337 | fprintf(stderr," Registration status: %d\n",message->db.reg_status); | |
338 | fprintf(stderr," uid: %s\n",message->db.uid); | |
339 | fprintf(stderr," login: %s\n",message->db.login); | |
340 | fprintf(stderr," Status from query: %d\n",status); | |
341 | #endif DEBGUG | |
342 | ||
343 | return status; | |
344 | } | |
345 | ||
bac67528 | 346 | int verify_user(message,retval) |
3e9b5b7b | 347 | struct msg *message; |
bac67528 | 348 | char *retval; |
29bc4461 | 349 | /* This routine determines whether a user is in the databse and returns |
350 | his state so that other routines can figure out whether he is the | |
351 | correct state for various transactions. */ | |
352 | ||
47baf534 | 353 | { |
29bc4461 | 354 | int status = SUCCESS; /* Return status */ |
bac67528 | 355 | |
356 | /* Log that we are about to veryify user */ | |
40174425 | 357 | com_err(whoami, 0, "verifying user %s %s",message->first,message->last); |
bac67528 | 358 | |
359 | /* Figure out what user (if any) can be found based on the | |
360 | encrypted information in the packet. (See the comment on | |
361 | parse_encrypted().) */ | |
bac67528 | 362 | |
363 | status = find_user(message); | |
364 | ||
40174425 | 365 | /* If Moira coudn't find the user */ |
bac67528 | 366 | if (status == SMS_NO_MATCH) |
f46fccfa | 367 | status = UREG_USER_NOT_FOUND; |
bac67528 | 368 | else if (status == SMS_SUCCESS) |
3e9b5b7b | 369 | { |
bac67528 | 370 | /* If the information sent over in the packet did not point to a |
371 | valid user, the mit_id field in the formatted packet structure | |
372 | will be empty. */ | |
29bc4461 | 373 | if (message->db.mit_id[0] == NULL) |
bac67528 | 374 | status = UREG_USER_NOT_FOUND; |
375 | /* If the user was found but the registration has already started, | |
376 | use this as the status */ | |
377 | else | |
378 | { | |
379 | switch (message->db.reg_status) | |
380 | { | |
29bc4461 | 381 | case US_NO_LOGIN_YET: |
bac67528 | 382 | status = SUCCESS; |
383 | break; | |
29bc4461 | 384 | case US_REGISTERED: |
bac67528 | 385 | status = UREG_ALREADY_REGISTERED; |
386 | break; | |
29bc4461 | 387 | case US_NO_PASSWD: |
bac67528 | 388 | status = UREG_NO_PASSWD_YET; |
389 | break; | |
29bc4461 | 390 | case US_DELETED: |
bac67528 | 391 | status = UREG_DELETED; |
392 | break; | |
29bc4461 | 393 | case US_NOT_ALLOWED: |
bac67528 | 394 | status = UREG_NOT_ALLOWED; |
395 | break; | |
3f5f9b08 | 396 | case US_ENROLLED: |
397 | status = UREG_ENROLLED; | |
398 | break; | |
399 | case US_ENROLL_NOT_ALLOWED: | |
400 | status = UREG_ENROLL_NOT_ALLOWED; | |
401 | break; | |
d8ffd27c | 402 | case US_HALF_ENROLLED: |
403 | status = UREG_HALF_ENROLLED; | |
404 | break; | |
bac67528 | 405 | default: |
406 | status = UREG_MISC_ERROR; | |
3f5f9b08 | 407 | critical_alert(FAIL_INST,"Bad user state %d for login %s.", |
408 | message->db.reg_status, message->db.login); | |
bac67528 | 409 | break; |
410 | } | |
411 | /* Set retval to the login name so that the client can use | |
412 | it in the error message it will give the user. */ | |
29bc4461 | 413 | (void) strcpy(retval,message->db.login); |
bac67528 | 414 | } |
47baf534 | 415 | } |
3e9b5b7b | 416 | |
40174425 | 417 | if (status) |
418 | com_err(whoami, status, " returned from verify_user"); | |
419 | else | |
420 | com_err(whoami, 0, "User verified"); | |
bac67528 | 421 | |
47baf534 | 422 | return status; |
423 | } | |
bac67528 | 424 | |
40174425 | 425 | int ureg_kadm_init() |
47baf534 | 426 | { |
40174425 | 427 | unsigned int status = SUCCESS; /* Return status */ |
428 | static char krbrealm[REALM_SZ]; /* kerberos realm name */ | |
6b407d0f | 429 | static char hostbuf[BUFSIZ], *host; /* local hostname in principal fmt */ |
40174425 | 430 | static int inited = 0; |
6b407d0f | 431 | char *p; |
40174425 | 432 | |
433 | #ifdef DEBUG | |
434 | com_err(whoami, 0, "Entering ureg_kadm_init"); | |
435 | #endif DEBUG | |
436 | ||
437 | if (!inited) { | |
438 | inited++; | |
439 | bzero(krbrealm, sizeof(krbrealm)); | |
440 | if (status = krb_get_lrealm(krbrealm, 1)) { | |
441 | status += krb_err_base; | |
442 | com_err(whoami, status, " fetching kerberos realm"); | |
443 | exit(1); | |
444 | } | |
6b407d0f | 445 | if (gethostname(hostbuf, sizeof(hostbuf)) < 0) |
446 | com_err(whoami, errno, "getting local hostname"); | |
447 | host = canonicalize_hostname(strsave(hostbuf)); | |
448 | for (p = host; *p && *p != '.'; p++) | |
449 | if (isupper(*p)) | |
450 | *p = tolower(*p); | |
451 | *p = 0; | |
40174425 | 452 | } |
bac67528 | 453 | |
454 | /* Get keys for interacting with Kerberos admin server. */ | |
f3c010f8 | 455 | /* principal, instance, realm, service, service instance, life, file */ |
6b407d0f | 456 | if (status = krb_get_svc_in_tkt(MOIRA_SNAME, host, krbrealm, PWSERV_NAME, |
40174425 | 457 | KADM_SINST, 1, KEYFILE)) |
458 | status += krb_err_base; | |
459 | ||
460 | if (status != SUCCESS) | |
461 | com_err(whoami, status, " while get admin tickets"); | |
803d15cb | 462 | #ifdef DEBUG |
40174425 | 463 | else { |
464 | com_err(whoami, status, "Succeeded in getting admin tickets"); | |
465 | } | |
803d15cb | 466 | #endif |
40174425 | 467 | |
468 | if (status == SUCCESS) { | |
469 | if ((status = kadm_init_link(PWSERV_NAME, KADM_SINST, krbrealm)) != | |
470 | KADM_SUCCESS) { | |
471 | com_err(whoami, status, " while initializing kadmin connection"); | |
472 | } | |
473 | } | |
474 | ||
bac67528 | 475 | return status; |
47baf534 | 476 | } |
477 | ||
bac67528 | 478 | int null_callproc(argc,argv,message) |
479 | int argc; | |
480 | char *argv[]; | |
3e9b5b7b | 481 | char *message; |
bac67528 | 482 | /* This routine is a null callback that should be used for queries that |
483 | do not return tuples. If it ever gets called, something is wrong. */ | |
47baf534 | 484 | { |
a640951a | 485 | critical_alert(FAIL_INST,"Something returned from an update query."); |
803d15cb | 486 | return FAILURE; |
47baf534 | 487 | } |
488 | ||
40174425 | 489 | /* |
490 | * This routine reserves a principal in kerberos by setting up a | |
491 | * principal with a random initial key. | |
492 | */ | |
493 | int reserve_krb(login) | |
494 | char *login; | |
47baf534 | 495 | { |
40174425 | 496 | int status = SUCCESS; |
497 | Kadm_vals new; | |
498 | des_cblock key; | |
499 | u_long *lkey = (u_long *)key; | |
bac67528 | 500 | |
40174425 | 501 | #ifdef DEBUG |
502 | com_err(whoami, 0, "Entering reserve_krb"); | |
503 | #endif DEBUG | |
803d15cb | 504 | |
40174425 | 505 | if ((status = ureg_kadm_init()) == SUCCESS) { |
506 | bzero((char *)&new, sizeof(new)); | |
507 | SET_FIELD(KADM_DESKEY, new.fields); | |
508 | SET_FIELD(KADM_NAME, new.fields); | |
bac67528 | 509 | |
40174425 | 510 | (void) des_random_key(key); |
511 | new.key_low = htonl(lkey[0]); | |
512 | new.key_high = htonl(lkey[1]); | |
513 | strcpy(new.name, login); | |
514 | ||
515 | com_err(whoami, 0, "Creating kerberos principal for %s", login); | |
516 | status = kadm_add(&new); | |
517 | if (status != KADM_SUCCESS) | |
518 | com_err(whoami, status, " while reserving principal"); | |
519 | ||
520 | bzero((char *)&new, sizeof(new)); | |
521 | } | |
522 | ||
523 | dest_tkt(); | |
524 | ||
525 | return(status); | |
526 | } | |
527 | ||
528 | /* | |
529 | * This routine reserves a principal in kerberos by setting up a | |
530 | * principal with a random initial key. | |
531 | */ | |
532 | int setpass_krb(login, password) | |
533 | char *login; | |
534 | char *password; | |
535 | { | |
536 | int status = SUCCESS; | |
537 | Kadm_vals new; | |
538 | des_cblock key; | |
539 | u_long *lkey = (u_long *)key; | |
540 | ||
541 | if ((status = ureg_kadm_init()) == SUCCESS) { | |
542 | bzero((char *)&new, sizeof(new)); | |
543 | SET_FIELD(KADM_DESKEY, new.fields); | |
544 | SET_FIELD(KADM_NAME, new.fields); | |
545 | ||
546 | (void) des_string_to_key(password, key); | |
547 | new.key_low = htonl(lkey[0]); | |
548 | new.key_high = htonl(lkey[1]); | |
549 | strcpy(new.name, login); | |
550 | ||
551 | com_err(whoami, 0, "Setting password for %s", login); | |
552 | /* First arguement is not used if user has modify privileges */ | |
553 | if ((status = kadm_mod(&new, &new)) != KADM_SUCCESS) { | |
554 | if (status == KADM_NOENTRY) { | |
555 | com_err(whoami, 0, | |
556 | "kerberos principal doesn't exist; creating"); | |
557 | if ((status = kadm_add(&new)) != KADM_SUCCESS) | |
558 | com_err(whoami, status, | |
559 | " while creating kerberos principal"); | |
560 | } | |
561 | else | |
562 | com_err(whoami, status, " while setting password"); | |
47baf534 | 563 | } |
47baf534 | 564 | } |
bac67528 | 565 | |
566 | dest_tkt(); | |
40174425 | 567 | return(status); |
47baf534 | 568 | } |
3e9b5b7b | 569 | |
bac67528 | 570 | int reserve_user(message,retval) |
571 | struct msg *message; | |
572 | char *retval; | |
47baf534 | 573 | { |
bac67528 | 574 | int q_argc; /* Number of arguments to query */ |
40174425 | 575 | char *q_argv[3]; /* Arguments to Moira query */ |
576 | char *q_name; /* Name of Moira query */ | |
29bc4461 | 577 | int status = SUCCESS; /* General purpose error status */ |
bac67528 | 578 | char fstype_buf[7]; /* Buffer to hold fs_type, a 16 bit number */ |
579 | char *login; /* The login name the user wants */ | |
580 | register int i; /* A counter */ | |
bac67528 | 581 | |
803d15cb | 582 | /* Log that we are about to reserve a user. */ |
40174425 | 583 | com_err(whoami, 0, "reserving user %s %s", |
bac67528 | 584 | message->first, message->last); |
3e9b5b7b | 585 | |
bac67528 | 586 | /* Check to make sure that we can verify this user. */ |
587 | if ((status = verify_user(message,retval)) == SUCCESS) | |
3e9b5b7b | 588 | { |
29bc4461 | 589 | /* Get the requested login name from leftover packet information. */ |
bac67528 | 590 | login = message->leftover; |
29bc4461 | 591 | |
592 | /* Check the login name for validity. The login name is currently | |
40174425 | 593 | is allowed to contain lowercase letters in any position and |
594 | and numbers and underscore characters in any position but the | |
97ee0ded | 595 | first. */ |
29bc4461 | 596 | if ((strlen(login) < MIN_UNAME) || (strlen(login) > MAX_UNAME)) |
bac67528 | 597 | status = UREG_INVALID_UNAME; |
47baf534 | 598 | } |
29bc4461 | 599 | if (status == SUCCESS) |
40174425 | 600 | if ((login[0] == '_') || isdigit(login[0])) |
29bc4461 | 601 | status = UREG_INVALID_UNAME; |
40174425 | 602 | |
29bc4461 | 603 | if (status == SUCCESS) |
3e9b5b7b | 604 | { |
803d15cb | 605 | for (i = 0; i < strlen(login); i++) |
5fff8167 | 606 | if (!islower(login[i]) && !isdigit(login[i]) && |
607 | (login[i] != '_')) | |
803d15cb | 608 | { |
609 | status = UREG_INVALID_UNAME; | |
610 | break; | |
611 | } | |
47baf534 | 612 | } |
29bc4461 | 613 | if (status == SUCCESS) |
3e9b5b7b | 614 | { |
bac67528 | 615 | /* Now that we have a valid user with a valid login... */ |
616 | ||
40174425 | 617 | /* First, try to reserve the user in Moira. */ |
29bc4461 | 618 | (void) sprintf(fstype_buf,"%d",SMS_FS_STUDENT); |
bac67528 | 619 | q_name = "register_user"; |
620 | q_argv[0] = message->db.uid; | |
621 | q_argv[1] = login; | |
622 | q_argv[2] = fstype_buf; | |
623 | q_argc = 3; | |
29bc4461 | 624 | status = sms_query(q_name,q_argc,q_argv,null_callproc,(char *)0); |
bac67528 | 625 | switch (status) |
626 | { | |
627 | case SMS_SUCCESS: | |
628 | status = SUCCESS; | |
629 | break; | |
630 | case SMS_IN_USE: | |
631 | status = UREG_LOGIN_USED; | |
632 | break; | |
62ba0b73 | 633 | case SMS_DEADLOCK: |
634 | status = UREG_MISC_ERROR; | |
635 | break; | |
bac67528 | 636 | default: |
a640951a | 637 | critical_alert(FAIL_INST,"%s returned from register_user.", |
638 | error_message(status)); | |
9700b15a | 639 | status = UREG_MISC_ERROR; |
bac67528 | 640 | break; |
641 | } | |
47baf534 | 642 | } |
40174425 | 643 | |
29bc4461 | 644 | if (status == SUCCESS) |
3e9b5b7b | 645 | { |
40174425 | 646 | /* |
647 | * Moira login was successfully created; try to reserve kerberos | |
648 | * principal. | |
649 | * | |
650 | * If this routine fails, store the login in the retval so | |
651 | * that it can be used in the client-side error message. | |
652 | */ | |
653 | if ((status = reserve_krb(login)) != SUCCESS) | |
29bc4461 | 654 | (void) strcpy(retval, login); |
47baf534 | 655 | } |
bac67528 | 656 | |
40174425 | 657 | if (status) |
658 | com_err(whoami, status, " returned from reserve_user"); | |
659 | else { | |
660 | com_err(whoami, 0, "User reserved"); | |
661 | } | |
bac67528 | 662 | |
47baf534 | 663 | return status; |
bac67528 | 664 | } |
47baf534 | 665 | |
3f5f9b08 | 666 | int set_final_status(message) |
667 | struct msg *message; | |
803d15cb | 668 | /* This routine updates a user's registration status to fully |
29bc4461 | 669 | registered. */ |
47baf534 | 670 | { |
3f5f9b08 | 671 | char *login; |
40174425 | 672 | char *q_name; /* Name of Moira query */ |
673 | int q_argc; /* Number of arguments for Moira query */ | |
bac67528 | 674 | char *q_argv[2]; /* Arguments to get user by uid */ |
29bc4461 | 675 | char state[7]; /* Can hold a 16 bit integer */ |
bac67528 | 676 | int status; /* Error status */ |
677 | ||
3f5f9b08 | 678 | if (message->request == UREG_SET_PASSWORD) |
679 | (void) sprintf(state,"%d",US_REGISTERED); | |
680 | else if (message->db.reg_status == US_NO_LOGIN_YET) | |
681 | (void) sprintf(state,"%d",US_ENROLLED); | |
682 | else | |
683 | (void) sprintf(state,"%d",US_ENROLL_NOT_ALLOWED); | |
684 | ||
685 | login = message->db.login; | |
686 | com_err(whoami, 0, "Setting final status for %s to %s", login, state); | |
bac67528 | 687 | |
688 | q_name = "update_user_status"; | |
689 | q_argc = 2; | |
690 | q_argv[0] = login; | |
29bc4461 | 691 | q_argv[1] = state; |
bac67528 | 692 | if ((status = sms_query(q_name, q_argc, q_argv, null_callproc, |
62ba0b73 | 693 | (char *)0)) != SMS_SUCCESS) { |
694 | if (status == SMS_DEADLOCK) | |
695 | status = UREG_MISC_ERROR; | |
696 | else | |
697 | critical_alert(FAIL_INST,"%s returned from update_user_status.", | |
698 | error_message(status)); | |
699 | } | |
40174425 | 700 | if (status) |
701 | com_err(whoami, status, " returned from set_final_status"); | |
702 | else | |
703 | com_err(whoami, 0, "Final status set"); | |
f46fccfa | 704 | return status; |
bac67528 | 705 | } |
f46fccfa | 706 | |
bac67528 | 707 | |
708 | int set_password(message,retval) | |
709 | struct msg *message; | |
710 | char *retval; | |
711 | /* This routine is used to set the initial password for the new user. */ | |
47baf534 | 712 | { |
29bc4461 | 713 | int status = SUCCESS; /* Return status */ |
bac67528 | 714 | char *passwd; /* User's password */ |
bac67528 | 715 | |
40174425 | 716 | com_err(whoami, 0, "setting password %s %s", |
bac67528 | 717 | message->first, message->last); |
718 | ||
719 | status = verify_user(message,retval); | |
720 | ||
721 | /* Don't set the password unless the registration status of the user | |
722 | is that he exists and has no password. */ | |
723 | if (status == SUCCESS) | |
724 | status = UREG_NO_LOGIN_YET; | |
d8ffd27c | 725 | if (((int)message->request == UREG_SET_PASSWORD && |
726 | status == UREG_NO_PASSWD_YET) || | |
727 | ((int)message->request == UREG_GET_KRB && | |
728 | status == UREG_HALF_ENROLLED)) | |
3e9b5b7b | 729 | { |
bac67528 | 730 | /* User is in proper state for this transaction. */ |
731 | ||
732 | passwd = message->leftover; | |
733 | ||
734 | /* Set password. */ | |
40174425 | 735 | if ((status = setpass_krb(message->db.login, passwd)) != SUCCESS) |
bac67528 | 736 | /* If failure, allow login name to be used in client |
737 | error message */ | |
29bc4461 | 738 | (void) strcpy(retval,message->db.login); |
bac67528 | 739 | else |
740 | /* Otherwise, mark user as finished. */ | |
3f5f9b08 | 741 | status = set_final_status(message); |
bac67528 | 742 | } |
40174425 | 743 | |
744 | if (status) | |
745 | com_err(whoami, status, " returned from set_passwd"); | |
746 | else | |
747 | com_err(whoami, 0, "Password set"); | |
748 | ||
bac67528 | 749 | return status; |
750 | } | |
3f5f9b08 | 751 | |
752 | ||
753 | int getuserinfo(argc, argv, qargv) | |
754 | int argc; | |
755 | char **argv; | |
756 | char **qargv; | |
757 | { | |
758 | int status = SUCCESS; | |
759 | ||
760 | if (argc != U_END) { | |
761 | critical_alert(FAIL_INST, | |
762 | "Wrong number of args returned from get_user_by_uid"); | |
763 | status = SMS_ABORT; | |
764 | } else { | |
765 | qargv[U_NAME] = strsave(argv[U_NAME]); | |
766 | qargv[U_UID+1] = strsave(argv[U_UID]); | |
767 | qargv[U_SHELL+1] = strsave(argv[U_SHELL]); | |
768 | qargv[U_LAST+1] = strsave(argv[U_LAST]); | |
769 | qargv[U_FIRST+1] = strsave(argv[U_FIRST]); | |
770 | qargv[U_MIDDLE+1] = strsave(argv[U_MIDDLE]); | |
771 | qargv[U_STATE+1] = strsave(argv[U_STATE]); | |
772 | qargv[U_MITID+1] = strsave(argv[U_MITID]); | |
773 | qargv[U_CLASS+1] = strsave(argv[U_CLASS]); | |
774 | qargv[U_MODTIME+1] = NULL; | |
775 | } | |
776 | return(status); | |
777 | } | |
778 | ||
779 | ||
780 | int set_identity(message,retval) | |
781 | struct msg *message; | |
782 | char *retval; | |
783 | { | |
784 | int q_argc; /* Number of arguments to query */ | |
40174425 | 785 | char *q_argv[U_END]; /* Arguments to Moira query */ |
786 | char *q_name; /* Name of Moira query */ | |
3f5f9b08 | 787 | int status = SUCCESS; /* General purpose error status */ |
788 | char fstype_buf[7]; /* Buffer to hold fs_type, a 16 bit number */ | |
789 | char *login; /* The login name the user wants */ | |
790 | register int i; /* A counter */ | |
791 | ||
792 | /* Log that we are about to reserve a user. */ | |
40174425 | 793 | com_err(whoami, 0, "setting identity %s %s", |
3f5f9b08 | 794 | message->first, message->last); |
795 | ||
796 | /* Check to make sure that we can verify this user. */ | |
797 | status = verify_user(message,retval); | |
798 | if (status == SUCCESS || status == UREG_NOT_ALLOWED) | |
799 | { | |
800 | status = SUCCESS; | |
801 | /* Get the requested login name from leftover packet information. */ | |
802 | login = message->leftover; | |
803 | ||
804 | /* Check the login name for validity. The login name is currently | |
40174425 | 805 | is allowed to contain lowercase letters in any position and |
806 | and numbers and underscore characters in any position but the | |
3f5f9b08 | 807 | first. */ |
808 | if ((strlen(login) < MIN_UNAME) || (strlen(login) > MAX_UNAME)) | |
809 | status = UREG_INVALID_UNAME; | |
810 | } | |
811 | if (status == SUCCESS) | |
40174425 | 812 | if ((login[0] == '_') || isdigit(login[0])) |
3f5f9b08 | 813 | status = UREG_INVALID_UNAME; |
814 | if (status == SUCCESS) | |
815 | { | |
816 | for (i = 0; i < strlen(login); i++) | |
817 | if (!islower(login[i]) && !isdigit(login[i]) && | |
818 | (login[i] != '_')) | |
819 | { | |
820 | status = UREG_INVALID_UNAME; | |
821 | break; | |
822 | } | |
823 | } | |
824 | if (status == SUCCESS) | |
825 | { | |
826 | /* Now that we have a valid user with a valid login... */ | |
827 | ||
828 | q_argv[0] = message->db.uid; | |
829 | status = sms_query("get_user_by_uid", 1, q_argv, getuserinfo, q_argv); | |
830 | if (status != SUCCESS) { | |
831 | com_err(whoami, status, " while getting user info"); | |
832 | return(status); | |
833 | } | |
834 | q_argv[U_NAME+1] = login; | |
d8ffd27c | 835 | q_argv[U_STATE+1] = "7"; |
3f5f9b08 | 836 | status = sms_query("update_user", U_MODTIME+1, q_argv, |
837 | null_callproc, NULL); | |
838 | switch (status) | |
839 | { | |
840 | case SMS_SUCCESS: | |
841 | status = SUCCESS; | |
842 | break; | |
843 | case SMS_IN_USE: | |
844 | status = UREG_LOGIN_USED; | |
845 | break; | |
62ba0b73 | 846 | case SMS_DEADLOCK: |
847 | status = UREG_MISC_ERROR; | |
848 | break; | |
3f5f9b08 | 849 | default: |
850 | critical_alert(FAIL_INST,"%s returned from update_user.", | |
851 | error_message(status)); | |
852 | status = UREG_MISC_ERROR; | |
853 | break; | |
854 | } | |
855 | } | |
856 | if (status == SUCCESS) | |
857 | { | |
40174425 | 858 | /* Moira login was successfully created; try to reserve kerberos |
3f5f9b08 | 859 | principal. */ |
860 | /* If this routine fails, store the login in the retval so | |
861 | that it can be used in the client-side error message. */ | |
40174425 | 862 | if ((status = reserve_krb(login)) != SUCCESS) |
3f5f9b08 | 863 | (void) strcpy(retval, login); |
864 | } | |
865 | ||
40174425 | 866 | if (status) |
867 | com_err(whoami, status, " returned from set_identity"); | |
868 | else | |
869 | com_err(whoami, 0, "Identity set"); | |
3f5f9b08 | 870 | |
871 | return status; | |
872 | } | |
873 | ||
874 | ||
875 | void reg_com_err_hook(whoami, code, fmt, pvar) | |
876 | char *whoami; | |
877 | int code; | |
878 | char *fmt; | |
879 | caddr_t pvar; | |
880 | { | |
881 | if (whoami) { | |
882 | fputs(whoami, stderr); | |
883 | fputs(": ", stderr); | |
884 | } | |
885 | if (code) { | |
886 | fputs(error_message(code), stderr); | |
887 | } | |
888 | if (fmt) { | |
889 | _doprnt(fmt, pvar, stderr); | |
890 | } | |
891 | putc('\n', stderr); | |
892 | fflush(stderr); | |
893 | } |