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Commit | Line | Data |
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6dbe3af9 KZ |
1 | /* |
2 | * chfn.c -- change your finger information | |
3 | * (c) 1994 by salvatore valente <svalente@athena.mit.edu> | |
8c24b6aa | 4 | * (c) 2012 by Cody Maloney <cmaloney@theoreticalchaos.com> |
6dbe3af9 KZ |
5 | * |
6 | * this program is free software. you can redistribute it and | |
7 | * modify it under the terms of the gnu general public license. | |
8 | * there is no warranty. | |
9 | * | |
fd6b7a7f | 10 | * $Author: aebr $ |
2b6fc908 KZ |
11 | * $Revision: 1.18 $ |
12 | * $Date: 1998/06/11 22:30:11 $ | |
726f69e2 KZ |
13 | * |
14 | * Updated Thu Oct 12 09:19:26 1995 by faith@cs.unc.edu with security | |
15 | * patches from Zefram <A.Main@dcs.warwick.ac.uk> | |
6dbe3af9 | 16 | * |
7eda085c KZ |
17 | * Hacked by Peter Breitenlohner, peb@mppmu.mpg.de, |
18 | * to remove trailing empty fields. Oct 5, 96. | |
19 | * | |
b50945d4 | 20 | * 1999-02-22 Arkadiusz MiĆkiewicz <misiek@pld.ORG.PL> |
7eda085c | 21 | * - added Native Language Support |
6dbe3af9 KZ |
22 | */ |
23 | ||
6dbe3af9 | 24 | #include <ctype.h> |
3ca10299 | 25 | #include <errno.h> |
6dbe3af9 | 26 | #include <getopt.h> |
3ca10299 | 27 | #include <pwd.h> |
8187b555 | 28 | #include <stdbool.h> |
3ca10299 SK |
29 | #include <stdio.h> |
30 | #include <stdlib.h> | |
31 | #include <string.h> | |
32 | #include <sys/types.h> | |
33 | #include <unistd.h> | |
39941b4e | 34 | |
3ca10299 SK |
35 | #include "c.h" |
36 | #include "env.h" | |
439cdf1e | 37 | #include "closestream.h" |
66ee8158 | 38 | #include "islocal.h" |
3ca10299 | 39 | #include "nls.h" |
66ee8158 | 40 | #include "setpwnam.h" |
8abcf290 | 41 | #include "strutils.h" |
39941b4e | 42 | #include "xalloc.h" |
e88f0059 | 43 | #include "logindefs.h" |
fd6b7a7f | 44 | |
144ae70e SK |
45 | #include "ch-common.h" |
46 | ||
48d7b13a | 47 | #ifdef HAVE_LIBSELINUX |
3ca10299 | 48 | # include <selinux/selinux.h> |
68f4aa2a | 49 | # include "selinux-utils.h" |
d03dd608 KZ |
50 | #endif |
51 | ||
8c24b6aa CM |
52 | #ifdef HAVE_LIBUSER |
53 | # include <libuser/user.h> | |
54 | # include "libuser.h" | |
d86918b6 | 55 | #elif CHFN_CHSH_PASSWORD |
8c24b6aa CM |
56 | # include "auth.h" |
57 | #endif | |
58 | ||
6dbe3af9 | 59 | struct finfo { |
3ca10299 SK |
60 | char *full_name; |
61 | char *office; | |
62 | char *office_phone; | |
63 | char *home_phone; | |
64 | char *other; | |
6dbe3af9 KZ |
65 | }; |
66 | ||
d5fdba03 | 67 | struct chfn_control { |
5fe1c32f SK |
68 | struct passwd *pw; |
69 | char *username; | |
70 | /* "oldf" Contains the users original finger information. | |
71 | * "newf" Contains the changed finger information, and contains | |
72 | * NULL in fields that haven't been changed. | |
73 | * In the end, "newf" is folded into "oldf". */ | |
74 | struct finfo oldf, newf; | |
d5fdba03 | 75 | unsigned int |
e88f0059 SK |
76 | allow_fullname:1, /* The login.defs restriction */ |
77 | allow_room:1, /* see: man login.defs(5) */ | |
78 | allow_work:1, /* and look for CHFN_RESTRICT */ | |
79 | allow_home:1, /* keyword for these four. */ | |
f723cbf5 | 80 | changed:1, /* is change requested */ |
d5fdba03 SK |
81 | interactive:1; /* whether to prompt for fields or not */ |
82 | }; | |
83 | ||
7eda085c | 84 | /* we do not accept gecos field sizes longer than MAX_FIELD_SIZE */ |
5c36a0eb KZ |
85 | #define MAX_FIELD_SIZE 256 |
86 | ||
6e1eda6f | 87 | static void __attribute__((__noreturn__)) usage(void) |
39941b4e | 88 | { |
6e1eda6f | 89 | FILE *fp = stdout; |
3ca10299 | 90 | fputs(USAGE_HEADER, fp); |
09af3db4 | 91 | fprintf(fp, _(" %s [options] [<username>]\n"), program_invocation_short_name); |
451dbcfa BS |
92 | |
93 | fputs(USAGE_SEPARATOR, fp); | |
94 | fputs(_("Change your finger information.\n"), fp); | |
95 | ||
3ca10299 SK |
96 | fputs(USAGE_OPTIONS, fp); |
97 | fputs(_(" -f, --full-name <full-name> real name\n"), fp); | |
98 | fputs(_(" -o, --office <office> office number\n"), fp); | |
99 | fputs(_(" -p, --office-phone <phone> office phone number\n"), fp); | |
100 | fputs(_(" -h, --home-phone <phone> home phone number\n"), fp); | |
101 | fputs(USAGE_SEPARATOR, fp); | |
b3054454 | 102 | printf( " -u, --help %s\n", USAGE_OPTSTR_HELP); |
0222a2ca | 103 | printf( " -V, --version %s\n", USAGE_OPTSTR_VERSION); |
f45f3ec3 | 104 | printf(USAGE_MAN_TAIL("chfn(1)")); |
6e1eda6f | 105 | exit(EXIT_SUCCESS); |
39941b4e MP |
106 | } |
107 | ||
24016335 SK |
108 | /* |
109 | * check_gecos_string () -- | |
110 | * check that the given gecos string is legal. if it's not legal, | |
111 | * output "msg" followed by a description of the problem, and return (-1). | |
112 | */ | |
5a57c00a | 113 | static int check_gecos_string(const char *msg, char *gecos) |
3ca10299 | 114 | { |
5a57c00a | 115 | const size_t len = strlen(gecos); |
3ca10299 | 116 | |
5a57c00a SK |
117 | if (MAX_FIELD_SIZE < len) { |
118 | warnx(_("field %s is too long"), msg); | |
24016335 | 119 | return -1; |
3ca10299 | 120 | } |
144ae70e SK |
121 | if (illegal_passwd_chars(gecos)) { |
122 | warnx(_("%s: has illegal characters"), gecos); | |
123 | return -1; | |
3ca10299 | 124 | } |
24016335 | 125 | return 0; |
6dbe3af9 KZ |
126 | } |
127 | ||
128 | /* | |
129 | * parse_argv () -- | |
130 | * parse the command line arguments. | |
131 | * returns true if no information beyond the username was given. | |
132 | */ | |
5fe1c32f | 133 | static void parse_argv(struct chfn_control *ctl, int argc, char **argv) |
6dbe3af9 | 134 | { |
e4efecc4 SK |
135 | int index, c, status = 0; |
136 | static const struct option long_options[] = { | |
87918040 SK |
137 | { "full-name", required_argument, NULL, 'f' }, |
138 | { "office", required_argument, NULL, 'o' }, | |
139 | { "office-phone", required_argument, NULL, 'p' }, | |
140 | { "home-phone", required_argument, NULL, 'h' }, | |
141 | { "help", no_argument, NULL, 'u' }, | |
0222a2ca | 142 | { "version", no_argument, NULL, 'V' }, |
87918040 | 143 | { NULL, 0, NULL, 0 }, |
3ca10299 SK |
144 | }; |
145 | ||
0222a2ca | 146 | while ((c = getopt_long(argc, argv, "f:r:p:h:o:uvV", long_options, |
e4efecc4 | 147 | &index)) != -1) { |
3ca10299 SK |
148 | switch (c) { |
149 | case 'f': | |
e88f0059 SK |
150 | if (!ctl->allow_fullname) |
151 | errx(EXIT_FAILURE, _("login.defs forbids setting %s"), _("Name")); | |
5fe1c32f | 152 | ctl->newf.full_name = optarg; |
e4efecc4 | 153 | status += check_gecos_string(_("Name"), optarg); |
3ca10299 SK |
154 | break; |
155 | case 'o': | |
e88f0059 SK |
156 | if (!ctl->allow_room) |
157 | errx(EXIT_FAILURE, _("login.defs forbids setting %s"), _("Office")); | |
5fe1c32f | 158 | ctl->newf.office = optarg; |
e4efecc4 | 159 | status += check_gecos_string(_("Office"), optarg); |
3ca10299 SK |
160 | break; |
161 | case 'p': | |
e88f0059 SK |
162 | if (!ctl->allow_work) |
163 | errx(EXIT_FAILURE, _("login.defs forbids setting %s"), _("Office Phone")); | |
5fe1c32f | 164 | ctl->newf.office_phone = optarg; |
e4efecc4 | 165 | status += check_gecos_string(_("Office Phone"), optarg); |
3ca10299 SK |
166 | break; |
167 | case 'h': | |
e88f0059 SK |
168 | if (!ctl->allow_home) |
169 | errx(EXIT_FAILURE, _("login.defs forbids setting %s"), _("Home Phone")); | |
5fe1c32f | 170 | ctl->newf.home_phone = optarg; |
e4efecc4 | 171 | status += check_gecos_string(_("Home Phone"), optarg); |
3ca10299 | 172 | break; |
0222a2ca KZ |
173 | case 'v': /* deprecated */ |
174 | case 'V': | |
2c308875 | 175 | print_version(EXIT_SUCCESS); |
e4efecc4 | 176 | case 'u': |
6e1eda6f | 177 | usage(); |
3ca10299 | 178 | default: |
677ec86c | 179 | errtryhelp(EXIT_FAILURE); |
3ca10299 | 180 | } |
f723cbf5 | 181 | ctl->changed = 1; |
e4efecc4 | 182 | ctl->interactive = 0; |
6dbe3af9 | 183 | } |
e4efecc4 SK |
184 | if (status != 0) |
185 | exit(EXIT_FAILURE); | |
3ca10299 SK |
186 | /* done parsing arguments. check for a username. */ |
187 | if (optind < argc) { | |
6e1eda6f RM |
188 | if (optind + 1 < argc) { |
189 | warnx(_("cannot handle multiple usernames")); | |
190 | errtryhelp(EXIT_FAILURE); | |
191 | } | |
5fe1c32f | 192 | ctl->username = argv[optind]; |
6dbe3af9 | 193 | } |
6dbe3af9 KZ |
194 | } |
195 | ||
6dbe3af9 KZ |
196 | /* |
197 | * parse_passwd () -- | |
3ca10299 | 198 | * take a struct password and fill in the fields of the struct finfo. |
6dbe3af9 | 199 | */ |
5fe1c32f | 200 | static void parse_passwd(struct chfn_control *ctl) |
6dbe3af9 | 201 | { |
3ca10299 | 202 | char *gecos; |
58985f67 | 203 | |
5fe1c32f | 204 | if (!ctl->pw) |
58985f67 | 205 | return; |
58985f67 | 206 | /* use pw_gecos - we take a copy since PAM destroys the original */ |
5fe1c32f | 207 | gecos = xstrdup(ctl->pw->pw_gecos); |
58985f67 | 208 | /* extract known fields */ |
5fe1c32f SK |
209 | ctl->oldf.full_name = strsep(&gecos, ","); |
210 | ctl->oldf.office = strsep(&gecos, ","); | |
211 | ctl->oldf.office_phone = strsep(&gecos, ","); | |
212 | ctl->oldf.home_phone = strsep(&gecos, ","); | |
58985f67 SK |
213 | /* extra fields contain site-specific information, and can |
214 | * not be changed by this version of chfn. */ | |
5fe1c32f | 215 | ctl->oldf.other = strsep(&gecos, ","); |
6dbe3af9 KZ |
216 | } |
217 | ||
6dbe3af9 | 218 | /* |
d9e1ac99 | 219 | * ask_new_field () -- |
6dbe3af9 KZ |
220 | * ask the user for a given field and check that the string is legal. |
221 | */ | |
d9e1ac99 SK |
222 | static char *ask_new_field(struct chfn_control *ctl, const char *question, |
223 | char *def_val) | |
6dbe3af9 | 224 | { |
3ca10299 | 225 | int len; |
05907d0d | 226 | char *buf = NULL; /* leave initialized to NULL or getline segfaults */ |
e41ae450 | 227 | size_t dummy = 0; |
3ca10299 | 228 | |
5a57c00a SK |
229 | if (!def_val) |
230 | def_val = ""; | |
faa5a3a8 | 231 | |
3ca10299 | 232 | while (true) { |
49848aa5 | 233 | printf("%s [%s]:", question, def_val); |
5a57c00a | 234 | __fpurge(stdin); |
faa5a3a8 | 235 | |
49848aa5 | 236 | putchar(' '); |
05907d0d | 237 | fflush(stdout); |
faa5a3a8 | 238 | |
e41ae450 | 239 | if (getline(&buf, &dummy, stdin) < 0) |
3ca10299 | 240 | errx(EXIT_FAILURE, _("Aborted.")); |
faa5a3a8 | 241 | |
5a57c00a | 242 | /* remove white spaces from string end */ |
e41ae450 SK |
243 | ltrim_whitespace((unsigned char *) buf); |
244 | len = rtrim_whitespace((unsigned char *) buf); | |
245 | if (len == 0) { | |
246 | free(buf); | |
f723cbf5 | 247 | return xstrdup(def_val); |
e41ae450 SK |
248 | } |
249 | if (!strcasecmp(buf, "none")) { | |
250 | free(buf); | |
f723cbf5 SK |
251 | ctl->changed = 1; |
252 | return xstrdup(""); | |
253 | } | |
e41ae450 | 254 | if (check_gecos_string(question, buf) >= 0) |
3ca10299 SK |
255 | break; |
256 | } | |
f723cbf5 | 257 | ctl->changed = 1; |
e41ae450 | 258 | return buf; |
6dbe3af9 KZ |
259 | } |
260 | ||
e88f0059 SK |
261 | /* |
262 | * get_login_defs() | |
263 | * find /etc/login.defs CHFN_RESTRICT and save restrictions to run time | |
264 | */ | |
265 | static void get_login_defs(struct chfn_control *ctl) | |
266 | { | |
267 | const char *s; | |
268 | size_t i; | |
269 | int broken = 0; | |
270 | ||
271 | /* real root does not have restrictions */ | |
272 | if (geteuid() == getuid() && getuid() == 0) { | |
273 | ctl->allow_fullname = ctl->allow_room = ctl->allow_work = ctl->allow_home = 1; | |
274 | return; | |
275 | } | |
276 | s = getlogindefs_str("CHFN_RESTRICT", ""); | |
277 | if (!strcmp(s, "yes")) { | |
278 | ctl->allow_room = ctl->allow_work = ctl->allow_home = 1; | |
279 | return; | |
280 | } | |
281 | if (!strcmp(s, "no")) { | |
282 | ctl->allow_fullname = ctl->allow_room = ctl->allow_work = ctl->allow_home = 1; | |
283 | return; | |
284 | } | |
285 | for (i = 0; s[i]; i++) { | |
286 | switch (s[i]) { | |
287 | case 'f': | |
288 | ctl->allow_fullname = 1; | |
289 | break; | |
290 | case 'r': | |
291 | ctl->allow_room = 1; | |
292 | break; | |
293 | case 'w': | |
294 | ctl->allow_work = 1; | |
295 | break; | |
296 | case 'h': | |
297 | ctl->allow_home = 1; | |
298 | break; | |
299 | default: | |
300 | broken = 1; | |
301 | } | |
302 | } | |
303 | if (broken) | |
304 | warnx(_("%s: CHFN_RESTRICT has unexpected value: %s"), _PATH_LOGINDEFS, s); | |
305 | if (!ctl->allow_fullname && !ctl->allow_room && !ctl->allow_work && !ctl->allow_home) | |
306 | errx(EXIT_FAILURE, _("%s: CHFN_RESTRICT does not allow any changes"), _PATH_LOGINDEFS); | |
e88f0059 SK |
307 | } |
308 | ||
6dbe3af9 | 309 | /* |
24016335 SK |
310 | * ask_info () -- |
311 | * prompt the user for the finger information and store it. | |
6dbe3af9 | 312 | */ |
5fe1c32f | 313 | static void ask_info(struct chfn_control *ctl) |
6dbe3af9 | 314 | { |
e88f0059 SK |
315 | if (ctl->allow_fullname) |
316 | ctl->newf.full_name = ask_new_field(ctl, _("Name"), ctl->oldf.full_name); | |
317 | if (ctl->allow_room) | |
318 | ctl->newf.office = ask_new_field(ctl, _("Office"), ctl->oldf.office); | |
319 | if (ctl->allow_work) | |
320 | ctl->newf.office_phone = ask_new_field(ctl, _("Office Phone"), ctl->oldf.office_phone); | |
321 | if (ctl->allow_home) | |
322 | ctl->newf.home_phone = ask_new_field(ctl, _("Home Phone"), ctl->oldf.home_phone); | |
323 | putchar('\n'); | |
6dbe3af9 KZ |
324 | } |
325 | ||
326 | /* | |
f723cbf5 SK |
327 | * find_field () -- |
328 | * find field value in uninteractive mode; can be new, old, or blank | |
6dbe3af9 | 329 | */ |
f723cbf5 | 330 | static char *find_field(char *nf, char *of) |
6dbe3af9 | 331 | { |
f723cbf5 SK |
332 | if (nf) |
333 | return nf; | |
334 | if (of) | |
335 | return of; | |
336 | return xstrdup(""); | |
337 | } | |
3ca10299 | 338 | |
f723cbf5 SK |
339 | /* |
340 | * add_missing () -- | |
341 | * add not supplied field values when in uninteractive mode | |
342 | */ | |
343 | static void add_missing(struct chfn_control *ctl) | |
344 | { | |
345 | ctl->newf.full_name = find_field(ctl->newf.full_name, ctl->oldf.full_name); | |
346 | ctl->newf.office = find_field(ctl->newf.office, ctl->oldf.office); | |
347 | ctl->newf.office_phone = find_field(ctl->newf.office_phone, ctl->oldf.office_phone); | |
348 | ctl->newf.home_phone = find_field(ctl->newf.home_phone, ctl->oldf.home_phone); | |
349 | ctl->newf.other = find_field(ctl->newf.other, ctl->oldf.other); | |
350 | printf("\n"); | |
6dbe3af9 KZ |
351 | } |
352 | ||
353 | /* | |
354 | * save_new_data () -- | |
355 | * save the given finger info in /etc/passwd. | |
356 | * return zero on success. | |
357 | */ | |
5fe1c32f | 358 | static int save_new_data(struct chfn_control *ctl) |
6dbe3af9 | 359 | { |
3ca10299 SK |
360 | char *gecos; |
361 | int len; | |
362 | ||
3ca10299 | 363 | /* create the new gecos string */ |
f723cbf5 SK |
364 | len = xasprintf(&gecos, "%s,%s,%s,%s,%s", |
365 | ctl->newf.full_name, | |
366 | ctl->newf.office, | |
367 | ctl->newf.office_phone, | |
368 | ctl->newf.home_phone, | |
369 | ctl->newf.other); | |
3ca10299 | 370 | |
5fe1c32f | 371 | /* remove trailing empty fields (but not subfields of ctl->newf.other) */ |
9210c0d2 | 372 | if (!ctl->newf.other || !*ctl->newf.other) { |
3ca10299 SK |
373 | while (len > 0 && gecos[len - 1] == ',') |
374 | len--; | |
375 | gecos[len] = 0; | |
376 | } | |
377 | ||
8c24b6aa | 378 | #ifdef HAVE_LIBUSER |
5fe1c32f | 379 | if (set_value_libuser("chfn", ctl->username, ctl->pw->pw_uid, |
d86918b6 | 380 | LU_GECOS, gecos) < 0) { |
8c24b6aa | 381 | #else /* HAVE_LIBUSER */ |
3ca10299 | 382 | /* write the new struct passwd to the passwd file. */ |
5fe1c32f | 383 | ctl->pw->pw_gecos = gecos; |
bde91c85 | 384 | if (setpwnam(ctl->pw, ".chfn") < 0) { |
d86918b6 | 385 | warn("setpwnam failed"); |
8c24b6aa | 386 | #endif |
3ca10299 SK |
387 | printf(_ |
388 | ("Finger information *NOT* changed. Try again later.\n")); | |
389 | return -1; | |
390 | } | |
1b7a19eb | 391 | free(gecos); |
3ca10299 SK |
392 | printf(_("Finger information changed.\n")); |
393 | return 0; | |
6dbe3af9 | 394 | } |
24016335 SK |
395 | |
396 | int main(int argc, char **argv) | |
397 | { | |
398 | uid_t uid; | |
d5fdba03 SK |
399 | struct chfn_control ctl = { |
400 | .interactive = 1 | |
401 | }; | |
24016335 SK |
402 | |
403 | sanitize_env(); | |
404 | setlocale(LC_ALL, ""); /* both for messages and for iscntrl() below */ | |
405 | bindtextdomain(PACKAGE, LOCALEDIR); | |
406 | textdomain(PACKAGE); | |
2c308875 KZ |
407 | close_stdout_atexit(); |
408 | ||
24016335 | 409 | uid = getuid(); |
24016335 | 410 | |
e88f0059 SK |
411 | /* check /etc/login.defs CHFN_RESTRICT */ |
412 | get_login_defs(&ctl); | |
413 | ||
5fe1c32f SK |
414 | parse_argv(&ctl, argc, argv); |
415 | if (!ctl.username) { | |
416 | ctl.pw = getpwuid(uid); | |
417 | if (!ctl.pw) | |
24016335 SK |
418 | errx(EXIT_FAILURE, _("you (user %d) don't exist."), |
419 | uid); | |
5fe1c32f | 420 | ctl.username = ctl.pw->pw_name; |
24016335 | 421 | } else { |
5fe1c32f SK |
422 | ctl.pw = getpwnam(ctl.username); |
423 | if (!ctl.pw) | |
24016335 | 424 | errx(EXIT_FAILURE, _("user \"%s\" does not exist."), |
5fe1c32f | 425 | ctl.username); |
24016335 | 426 | } |
5fe1c32f | 427 | parse_passwd(&ctl); |
24016335 | 428 | #ifndef HAVE_LIBUSER |
5fe1c32f | 429 | if (!(is_local(ctl.username))) |
24016335 SK |
430 | errx(EXIT_FAILURE, _("can only change local entries")); |
431 | #endif | |
432 | ||
433 | #ifdef HAVE_LIBSELINUX | |
434 | if (is_selinux_enabled() > 0) { | |
e1de70b3 | 435 | char *user_cxt = NULL; |
dd5ef107 | 436 | |
e1de70b3 KZ |
437 | if (uid == 0 && !ul_selinux_has_access("passwd", "chfn", &user_cxt)) |
438 | errx(EXIT_FAILURE, | |
439 | _("%s is not authorized to change " | |
440 | "the finger info of %s"), | |
441 | user_cxt ? : _("Unknown user context"), | |
442 | ctl.username); | |
e5228150 | 443 | |
0735d0ef | 444 | if (ul_setfscreatecon_from_file(_PATH_PASSWD) != 0) |
24016335 SK |
445 | errx(EXIT_FAILURE, |
446 | _("can't set default context for %s"), _PATH_PASSWD); | |
447 | } | |
448 | #endif | |
449 | ||
450 | #ifdef HAVE_LIBUSER | |
451 | /* If we're setuid and not really root, disallow the password change. */ | |
5fe1c32f | 452 | if (geteuid() != getuid() && uid != ctl.pw->pw_uid) { |
24016335 | 453 | #else |
bf6c15ed | 454 | if (uid != 0 && uid != ctl.pw->pw_uid) { |
24016335 SK |
455 | #endif |
456 | errno = EACCES; | |
457 | err(EXIT_FAILURE, _("running UID doesn't match UID of user we're " | |
458 | "altering, change denied")); | |
459 | } | |
460 | ||
5fe1c32f | 461 | printf(_("Changing finger information for %s.\n"), ctl.username); |
24016335 SK |
462 | |
463 | #if !defined(HAVE_LIBUSER) && defined(CHFN_CHSH_PASSWORD) | |
5fe1c32f | 464 | if (!auth_pam("chfn", uid, ctl.username)) { |
24016335 SK |
465 | return EXIT_FAILURE; |
466 | } | |
467 | #endif | |
468 | ||
d5fdba03 | 469 | if (ctl.interactive) |
5fe1c32f | 470 | ask_info(&ctl); |
e88f0059 SK |
471 | |
472 | add_missing(&ctl); | |
24016335 | 473 | |
f723cbf5 | 474 | if (!ctl.changed) { |
24016335 SK |
475 | printf(_("Finger information not changed.\n")); |
476 | return EXIT_SUCCESS; | |
477 | } | |
478 | ||
5fe1c32f | 479 | return save_new_data(&ctl) == 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
24016335 | 480 | } |