2 * Copyright 1988 by the Massachusetts Institute of Technology. For copying
3 * and distribution information, see the file "mit-copyright.h".
12 static char *rcsid_chfn_c = "$Header$";
16 * Talk to the MOIRA database to change a person's GECOS information.
18 * chfn with no modifiers changes the information of the user who is
19 * running the program.
21 * If a commandline argument is given, it is taken to be the username
22 * of the user whose information is to be changed.
29 #include <sys/types.h>
39 #include <moira_site.h>
40 #include "mit-copyright.h"
64 if ((whoami = strrchr(argv[0], '/')) == NULL)
77 /* Do it right; get name from kerberos ticket file rather than
80 if (k_errno = tf_init(TKT_FILE, R_TKT_FIL)) {
81 fprintf(stderr, "%s: %s\n", whoami, krb_err_txt[k_errno]);
85 if (k_errno = tf_get_pname(pname)) {
86 fprintf(stderr, "%s: %s\n", whoami, krb_err_txt[k_errno]);
98 /* This should be called rather than exit once connection to moira server
99 has been established. */
107 com_err(whoami, 0, "Unexpected return value from Moira -- programmer botch");
114 int status; /* general purpose exit status */
115 int q_argc; /* argc for mr_query */
116 char *q_argv[F_END]; /* argv for mr_query */
117 char *motd; /* for MR server status */
123 struct finger_info old_info;
124 struct finger_info new_info;
126 /* Try each query. If we ever fail, print error message and exit. */
128 status = mr_connect(NULL);
130 com_err(whoami, status, "while connecting to Moira");
134 status = mr_motd(&motd);
136 com_err(whoami, status, "unable to check server status");
140 fprintf(stderr, "The Moira server is currently unavailable:\n%s\n", motd);
144 status = mr_auth("chfn"); /* Don't use argv[0] - too easy to fake */
146 com_err(whoami, status,
147 "while authenticating -- run \"kinit\" and try again.");
151 /* First, do an access check. */
153 q_argv[F_NAME] = uname;
154 for (i = F_NAME + 1; i < F_MODTIME; i++)
156 q_argc = F_MODTIME; /* one more than the last updatable field */
158 if (status = mr_access("update_finger_by_login", q_argc, q_argv)) {
159 com_err(whoami, status, "; finger\ninformation not changed.");
163 printf("Changing finger information for %s.\n", uname);
165 /* Get information */
167 q_argv[NAME] = uname;
169 if (status = mr_query("get_finger_by_login", q_argc, q_argv,
170 get_user_info, (char *) &old_info))
172 com_err(whoami, status, "while getting user information.");
176 /* Get the new information from the user */
178 get_new_info(&old_info, &new_info);
182 printf("Changing finger information...\n");
184 q_argv[F_NAME] = uname;
185 q_argv[F_FULLNAME] = new_info.fullname;
186 q_argv[F_NICKNAME] = new_info.nickname;
187 q_argv[F_HOME_ADDR] = new_info.home_address;
188 q_argv[F_HOME_PHONE] = new_info.home_phone;
189 q_argv[F_OFFICE_ADDR] = new_info.office_address;
190 q_argv[F_OFFICE_PHONE] = new_info.office_phone;
191 q_argv[F_MIT_DEPT] = new_info.mit_department;
192 q_argv[F_MIT_AFFIL] = new_info.mit_year;
193 q_argc = F_MODTIME; /* First non-update query argument */
195 if (status = mr_query("update_finger_by_login", q_argc, q_argv,
196 scream, (char *)NULL))
198 com_err(whoami, status, "while updating finger information.");
202 printf("Finger information updated succesfully.\n");
207 get_user_info(argc, argv, message)
212 struct finger_info *old_info = (struct finger_info *) message;
215 fprintf(stderr, "Some internal error occurred; try again.\n");
219 printf("Info last changed on %s by user %s with %s.\n",
220 argv[F_MODTIME], argv[F_MODBY], argv[F_MODWITH]);
222 old_info->fullname = strsave(argv[F_FULLNAME]);
223 old_info->nickname = strsave(argv[F_NICKNAME]);
224 old_info->home_address = strsave(argv[F_HOME_ADDR]);
225 old_info->home_phone = strsave(argv[F_HOME_PHONE]);
226 old_info->office_address = strsave(argv[F_OFFICE_ADDR]);
227 old_info->office_phone = strsave(argv[F_OFFICE_PHONE]);
228 old_info->mit_department = strsave(argv[F_MIT_DEPT]);
229 old_info->mit_year = strsave(argv[F_MIT_AFFIL]);
231 /* Only pay attention to the first match since login names are
232 unique in the database. */
236 char *ask(question, def_val, phone_num)
239 int phone_num; /* True if this must contain only digits */
241 static char buf[BUFSIZ];
252 printf("%s [%s]: ", question, def_val);
253 if (fgets(buf, sizeof(buf), stdin) == NULL)
255 buf[strlen(buf) - 1] = NULL;
256 if (strlen(buf) == 0)
258 else if (strcasecmp(buf, BLANK) == NULL)
263 for (i = 0; i < strlen(buf); i++)
268 printf("'\"' is not allowed.\n");
272 printf("',' is not allowed.\n");
276 printf("':' is not allowed.\n");
280 if (iscntrl(buf[i])) {
281 printf("Control characters are not allowed.\n");
290 if (phone_num && ok) {
291 for (i = 0; i < strlen(result); i++) {
292 if (!isdigit(result[i]) && (result[i] != '-')) {
293 printf("Phone numbers can contain only digits.\n");
297 if (result[i] == '-')
303 /* Remove dashes if necessary */
304 if (dashes && result == buf) {
306 tmp1 = tmp2 = (char *)buf;
317 void get_new_info(old_info, new_info)
318 struct finger_info *old_info;
319 struct finger_info *new_info;
321 printf("Default values are printed inside of '[]'.\n");
322 printf("To accept the default, type <return>.\n");
323 printf("To have a blank entry, type the word '%s'.\n\n", BLANK);
325 #define GETINFO(m,v,n) \
326 new_info->v = strsave(ask(m, old_info->v, n))
328 GETINFO("Full name", fullname, FALSE);
329 GETINFO("Nickname", nickname, FALSE);
330 GETINFO("Home address (Ex: Atkinson 304)", home_address, FALSE);
331 GETINFO("Home phone number (Ex: 3141592)", home_phone, TRUE);
332 GETINFO("Office address (Exs: E40-342 or 2-108)",
333 office_address, FALSE);
334 GETINFO("Office phone (Ex: 3-1300)", office_phone, TRUE);
335 GETINFO("MIT department (Exs: 9, Biology, Information Services)",
336 mit_department, FALSE);
337 GETINFO("MIT year (Exs: 1989, '91, Faculty, Grad)", mit_year, FALSE);
342 fprintf(stderr, "Usage: %s [user]\n", whoami);