From b26f73f427eff7bb25720559c45a0b36c9cd3133 Mon Sep 17 00:00:00 2001 From: nekral-guest Date: Sun, 6 Nov 2011 18:39:19 +0000 Subject: [PATCH] * src/chfn.c, man/chfn.1.xml: Add support for long options. * src/chfn.c, man/chfn.1.xml: Add -u/--help option --- ChangeLog | 5 ++++ man/chfn.1.xml | 78 ++++++++++++++++++++++++++++++++++++++++++++------ src/chfn.c | 71 ++++++++++++++++++++++++++++----------------- 3 files changed, 118 insertions(+), 36 deletions(-) diff --git a/ChangeLog b/ChangeLog index bf0e43d6..43eb13c2 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2011-10-30 Nicolas François + + * src/chfn.c, man/chfn.1.xml: Add support for long options. + * src/chfn.c, man/chfn.1.xml: Add -u/--help option + 2011-10-30 Nicolas François * NEWS, src/vipw.c, man/vipw.8.xml: Add --root option. diff --git a/man/chfn.1.xml b/man/chfn.1.xml index 66e339f6..0b568900 100644 --- a/man/chfn.1.xml +++ b/man/chfn.1.xml @@ -1,7 +1,7 @@ ]> - @@ -53,12 +52,12 @@ chfn - -f full_name - -r room_no - -w work_ph - -h home_ph - -o other - user + + options + + + LOGIN + @@ -66,7 +65,7 @@ DESCRIPTION The chfn command changes user fullname, - office number, office extension, and home phone number information + office room number, office phone number, and home phone number information for a user's account. This information is typically printed by finger1 and similar programs. A normal user may only change @@ -87,6 +86,67 @@ store accounting information used by other applications. + + + + OPTIONS + + The options which apply to the chfn command are: + + + + + , FULL_NAME + + + Change the user's full name. + + + + + , HOME_PHONE + + + Change the user's home phone number. + + + + + , OTHER + + + + Change the user's other GECOS information. This field is used to + store accounting information used by other applications, and can + be changed only by a superuser. + + + + + + , ROOM_NUMBER + + + Change the user's room number. + + + + + , + + + Display help message and exit. + + + + + , WORK_PHONE + + + Change the user's office phone number. + + + If none of the options are selected, chfn operates in an interactive fashion, prompting the user with the diff --git a/src/chfn.c b/src/chfn.c index 0aa66583..70cb0f39 100644 --- a/src/chfn.c +++ b/src/chfn.c @@ -2,7 +2,7 @@ * Copyright (c) 1989 - 1994, Julianne Frances Haugh * Copyright (c) 1996 - 2000, Marek Michałkiewicz * Copyright (c) 2001 - 2006, Tomasz Kłoczko - * Copyright (c) 2007 - 2008, Nicolas François + * Copyright (c) 2007 - 2011, Nicolas François * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -39,6 +39,7 @@ #include #include #include +#include #ifdef WITH_SELINUX #include #include @@ -79,7 +80,7 @@ static bool pw_locked = false; /* local function prototypes */ static void fail_exit (int code); -static void usage (void); +static /*@noreturn@*/void usage (int status); static bool may_change_field (int); static void new_fields (void); static char *copy_field (char *, char *, char *); @@ -110,19 +111,22 @@ static void fail_exit (int code) /* * usage - print command line syntax and exit */ -static void usage (void) +static /*@noreturn@*/void usage (int status) { - if (amroot) { - fprintf (stderr, - _("Usage: %s [-f full_name] [-r room_no] " - "[-w work_ph]\n" - "\t[-h home_ph] [-o other] [user]\n"), Prog); - } else { - fprintf (stderr, - _("Usage: %s [-f full_name] [-r room_no] " - "[-w work_ph] [-h home_ph]\n"), Prog); - } - exit (E_USAGE); + FILE *usageout = (E_SUCCESS != status) ? stderr : stdout; + (void) fprintf (usageout, + _("Usage: %s [options] [LOGIN]\n" + "\n" + "Options:\n"), + Prog); + (void) fputs (_(" -f, --full-name FULL_NAME change user's full name\n"), usageout); + (void) fputs (_(" -h, --home-phone HOME_PHONE change user's home phone number\n"), usageout); + (void) fputs (_(" -o, --other OTHER_INFO change user's other GECOS information\n"), usageout); + (void) fputs (_(" -r, --room ROOM_NUMBER change user's room number\n"), usageout); + (void) fputs (_(" -u, --help display this help message and exit\n"), usageout); + (void) fputs (_(" -w, --work-phone WORK_PHONE change user's office phone number\n"), usageout); + (void) fputs ("\n", usageout); + exit (status); } /* @@ -262,7 +266,16 @@ static char *copy_field (char *in, char *out, char *extra) */ static void process_flags (int argc, char **argv) { - int flag; /* flag currently being processed */ + int c; /* flag currently being processed */ + static struct option long_options[] = { + {"full-name", required_argument, NULL, 'f'}, + {"home-phone", required_argument, NULL, 'h'}, + {"other", required_argument, NULL, 'o'}, + {"room", required_argument, NULL, 'r'}, + {"help", no_argument, NULL, 'u'}, + {"work-phone", required_argument, NULL, 'w'}, + {NULL, 0, NULL, '\0'} + }; /* * The remaining arguments will be processed one by one and executed @@ -271,8 +284,9 @@ static void process_flags (int argc, char **argv) * environment and must agree with the real UID. Also, the UID will * be checked for any commands which are restricted to root only. */ - while ((flag = getopt (argc, argv, "f:r:w:h:o:")) != EOF) { - switch (flag) { + while ((c = getopt_long (argc, argv, "f:h:o:r:uw:", + long_options, NULL)) != -1) { + switch (c) { case 'f': if (!may_change_field ('f')) { fprintf (stderr, @@ -291,15 +305,6 @@ static void process_flags (int argc, char **argv) hflg = true; STRFCPY (homeph, optarg); break; - case 'r': - if (!may_change_field ('r')) { - fprintf (stderr, - _("%s: Permission denied.\n"), Prog); - exit (E_NOPERM); - } - rflg = true; - STRFCPY (roomno, optarg); - break; case 'o': if (!amroot) { fprintf (stderr, @@ -309,6 +314,18 @@ static void process_flags (int argc, char **argv) oflg = true; STRFCPY (slop, optarg); break; + case 'r': + if (!may_change_field ('r')) { + fprintf (stderr, + _("%s: Permission denied.\n"), Prog); + exit (E_NOPERM); + } + rflg = true; + STRFCPY (roomno, optarg); + break; + case 'u': + usage (E_SUCCESS); + /*@notreached@*/break; case 'w': if (!may_change_field ('w')) { fprintf (stderr, @@ -319,7 +336,7 @@ static void process_flags (int argc, char **argv) STRFCPY (workph, optarg); break; default: - usage (); + usage (E_USAGE); } } }