chfn: fix coding style
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola
Sami Kerola
parent
e55b7a8f2f
commit
3ca1029905
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@ -18,181 +18,184 @@
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*
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* 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
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* - added Native Language Support
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*
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*/
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#include <sys/types.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <pwd.h>
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#include <errno.h>
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#include <ctype.h>
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#include <errno.h>
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#include <getopt.h>
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#include <pwd.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "pamfail.h"
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#include "c.h"
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#include "env.h"
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#include "islocal.h"
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#include "nls.h"
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#include "pamfail.h"
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#include "setpwnam.h"
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#include "strutils.h"
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#include "nls.h"
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#include "env.h"
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#include "xalloc.h"
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#include "c.h"
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#ifdef HAVE_LIBSELINUX
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#include <selinux/selinux.h>
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#include <selinux/av_permissions.h>
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#include "selinux_utils.h"
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# include <selinux/selinux.h>
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# include <selinux/av_permissions.h>
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# include "selinux_utils.h"
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#endif
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static char buf[1024];
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struct finfo {
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struct passwd *pw;
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char *username;
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char *full_name;
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char *office;
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char *office_phone;
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char *home_phone;
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char *other;
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struct passwd *pw;
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char *username;
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char *full_name;
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char *office;
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char *office_phone;
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char *home_phone;
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char *other;
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};
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static int parse_argv (int argc, char *argv[], struct finfo *pinfo);
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static void parse_passwd (struct passwd *pw, struct finfo *pinfo);
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static void ask_info (struct finfo *oldfp, struct finfo *newfp);
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static char *prompt (char *question, char *def_val);
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static int check_gecos_string (char *msg, char *gecos);
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static int set_changed_data (struct finfo *oldfp, struct finfo *newfp);
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static int save_new_data (struct finfo *pinfo);
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static int parse_argv(int argc, char *argv[], struct finfo *pinfo);
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static void parse_passwd(struct passwd *pw, struct finfo *pinfo);
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static void ask_info(struct finfo *oldfp, struct finfo *newfp);
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static char *prompt(char *question, char *def_val);
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static int check_gecos_string(char *msg, char *gecos);
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static int set_changed_data(struct finfo *oldfp, struct finfo *newfp);
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static int save_new_data(struct finfo *pinfo);
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/* we do not accept gecos field sizes longer than MAX_FIELD_SIZE */
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#define MAX_FIELD_SIZE 256
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static void __attribute__((__noreturn__)) usage(FILE *fp)
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{
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fputs(USAGE_HEADER, fp);
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fprintf(fp, _(" %s [options] [username]\n"), program_invocation_short_name);
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fputs(USAGE_OPTIONS, fp);
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fputs(_(" -f, --full-name <full-name> real name\n"), fp);
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fputs(_(" -o, --office <office> office number\n"), fp);
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fputs(_(" -p, --office-phone <phone> office phone number\n"), fp);
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fputs(_(" -h, --home-phone <phone> home phone number\n"), fp);
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fputs(USAGE_SEPARATOR, fp);
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fputs(_(" -u, --help display this help and exit\n"), fp);
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fputs(_(" -v, --version output version information and exit\n"), fp);
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fprintf(fp, USAGE_MAN_TAIL("chfn(1)"));
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exit(fp == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
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fputs(USAGE_HEADER, fp);
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fprintf(fp, _(" %s [options] [username]\n"), program_invocation_short_name);
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fputs(USAGE_OPTIONS, fp);
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fputs(_(" -f, --full-name <full-name> real name\n"), fp);
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fputs(_(" -o, --office <office> office number\n"), fp);
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fputs(_(" -p, --office-phone <phone> office phone number\n"), fp);
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fputs(_(" -h, --home-phone <phone> home phone number\n"), fp);
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fputs(USAGE_SEPARATOR, fp);
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fputs(_(" -u, --help display this help and exit\n"), fp);
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fputs(_(" -v, --version output version information and exit\n"), fp);
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fprintf(fp, USAGE_MAN_TAIL("chfn(1)"));
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exit(fp == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
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}
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int main (int argc, char **argv) {
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uid_t uid;
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struct finfo oldf, newf;
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int interactive;
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int status;
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int main(int argc, char **argv)
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{
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uid_t uid;
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struct finfo oldf, newf;
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int interactive;
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int status;
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sanitize_env();
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setlocale(LC_ALL, ""); /* both for messages and for iscntrl() below */
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bindtextdomain(PACKAGE, LOCALEDIR);
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textdomain(PACKAGE);
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sanitize_env();
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setlocale(LC_ALL, ""); /* both for messages and for iscntrl() below */
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bindtextdomain(PACKAGE, LOCALEDIR);
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textdomain(PACKAGE);
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/*
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* "oldf" contains the users original finger information.
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* "newf" contains the changed finger information, and contains NULL
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* in fields that haven't been changed.
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* in the end, "newf" is folded into "oldf".
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* the reason the new finger information is not put _immediately_ into
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* "oldf" is that on the command line, new finger information can
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* be specified before we know what user the information is being
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* specified for.
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*/
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uid = getuid ();
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memset(&oldf, 0, sizeof(oldf));
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memset(&newf, 0, sizeof (newf));
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/*
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* "oldf" contains the users original finger information.
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* "newf" contains the changed finger information, and contains NULL
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* in fields that haven't been changed.
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* in the end, "newf" is folded into "oldf".
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*
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* the reason the new finger information is not put _immediately_
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* into "oldf" is that on the command line, new finger information
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* can be specified before we know what user the information is
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* being specified for.
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*/
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uid = getuid();
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memset(&oldf, 0, sizeof(oldf));
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memset(&newf, 0, sizeof(newf));
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interactive = parse_argv (argc, argv, &newf);
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if (! newf.username) {
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parse_passwd (getpwuid (uid), &oldf);
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if (! oldf.username)
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errx(EXIT_FAILURE, _("you (user %d) don't exist."), uid);
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}
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else {
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parse_passwd (getpwnam (newf.username), &oldf);
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if (! oldf.username)
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errx(EXIT_FAILURE, _("user \"%s\" does not exist."),
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newf.username);
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}
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interactive = parse_argv(argc, argv, &newf);
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if (!newf.username) {
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parse_passwd(getpwuid(uid), &oldf);
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if (!oldf.username)
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errx(EXIT_FAILURE, _("you (user %d) don't exist."),
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uid);
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} else {
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parse_passwd(getpwnam(newf.username), &oldf);
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if (!oldf.username)
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errx(EXIT_FAILURE, _("user \"%s\" does not exist."),
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newf.username);
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}
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if (!(is_local(oldf.username)))
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errx(EXIT_FAILURE, _("can only change local entries"));
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if (!(is_local(oldf.username)))
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errx(EXIT_FAILURE, _("can only change local entries"));
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#ifdef HAVE_LIBSELINUX
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if (is_selinux_enabled() > 0) {
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if(uid == 0) {
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if (checkAccess(oldf.username,PASSWD__CHFN)!=0) {
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security_context_t user_context;
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if (getprevcon(&user_context) < 0)
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user_context = NULL;
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errx(EXIT_FAILURE, _("%s is not authorized to change "
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"the finger info of %s"),
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user_context ? : _("Unknown user context"),
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oldf.username);
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if (is_selinux_enabled() > 0) {
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if (uid == 0) {
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if (checkAccess(oldf.username, PASSWD__CHFN) != 0) {
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security_context_t user_context;
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if (getprevcon(&user_context) < 0)
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user_context = NULL;
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errx(EXIT_FAILURE,
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_("%s is not authorized to change "
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"the finger info of %s"),
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user_context ? : _("Unknown user context"),
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oldf.username);
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}
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}
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if (setupDefaultContext("/etc/passwd"))
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errx(EXIT_FAILURE,
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_("can't set default context for /etc/passwd"));
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}
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}
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if (setupDefaultContext("/etc/passwd"))
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errx(EXIT_FAILURE, _("can't set default context for /etc/passwd"));
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}
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#endif
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/* Reality check */
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if (uid != 0 && uid != oldf.pw->pw_uid) {
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errno = EACCES;
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err(EXIT_FAILURE, NULL);
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}
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/* Reality check */
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if (uid != 0 && uid != oldf.pw->pw_uid) {
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errno = EACCES;
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err(EXIT_FAILURE, NULL);
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}
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printf (_("Changing finger information for %s.\n"), oldf.username);
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printf(_("Changing finger information for %s.\n"), oldf.username);
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#ifdef REQUIRE_PASSWORD
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if(uid != 0) {
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pam_handle_t *pamh = NULL;
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struct pam_conv conv = { misc_conv, NULL };
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int retcode;
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if (uid != 0) {
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pam_handle_t *pamh = NULL;
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struct pam_conv conv = { misc_conv, NULL };
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int retcode;
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retcode = pam_start("chfn", oldf.username, &conv, &pamh);
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if (pam_fail_check(pamh, retcode))
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exit(EXIT_FAILURE);
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retcode = pam_start("chfn", oldf.username, &conv, &pamh);
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if (pam_fail_check(pamh, retcode))
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exit(EXIT_FAILURE);
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retcode = pam_authenticate(pamh, 0);
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if (pam_fail_check(pamh, retcode))
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exit(EXIT_FAILURE);
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retcode = pam_authenticate(pamh, 0);
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if (pam_fail_check(pamh, retcode))
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exit(EXIT_FAILURE);
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retcode = pam_acct_mgmt(pamh, 0);
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if (retcode == PAM_NEW_AUTHTOK_REQD)
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retcode = pam_chauthtok(pamh, PAM_CHANGE_EXPIRED_AUTHTOK);
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if (pam_fail_check(pamh, retcode))
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exit(EXIT_FAILURE);
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retcode = pam_acct_mgmt(pamh, 0);
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if (retcode == PAM_NEW_AUTHTOK_REQD)
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retcode =
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pam_chauthtok(pamh, PAM_CHANGE_EXPIRED_AUTHTOK);
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if (pam_fail_check(pamh, retcode))
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exit(EXIT_FAILURE);
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retcode = pam_setcred(pamh, 0);
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if (pam_fail_check(pamh, retcode))
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exit(EXIT_FAILURE);
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retcode = pam_setcred(pamh, 0);
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if (pam_fail_check(pamh, retcode))
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exit(EXIT_FAILURE);
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pam_end(pamh, 0);
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/* no need to establish a session; this isn't a session-oriented
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* activity... */
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}
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#endif /* REQUIRE_PASSWORD */
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pam_end(pamh, 0);
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/* no need to establish a session; this isn't a
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* session-oriented activity... */
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}
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#endif /* REQUIRE_PASSWORD */
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if (interactive)
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ask_info(&oldf, &newf);
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if (interactive) ask_info (&oldf, &newf);
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if (! set_changed_data (&oldf, &newf)) {
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printf (_("Finger information not changed.\n"));
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return EXIT_SUCCESS;
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}
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status = save_new_data (&oldf);
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return status;
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if (!set_changed_data(&oldf, &newf)) {
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printf(_("Finger information not changed.\n"));
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return EXIT_SUCCESS;
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}
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status = save_new_data(&oldf);
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return status;
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}
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/*
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@ -202,102 +205,116 @@ int main (int argc, char **argv) {
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*/
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static int parse_argv(int argc, char *argv[], struct finfo *pinfo)
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{
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int index, c, status;
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int info_given;
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int index, c, status;
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int info_given;
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static struct option long_options[] = {
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{ "full-name", required_argument, 0, 'f' },
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{ "office", required_argument, 0, 'o' },
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{ "office-phone", required_argument, 0, 'p' },
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{ "home-phone", required_argument, 0, 'h' },
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{ "help", no_argument, 0, 'u' },
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{ "version", no_argument, 0, 'v' },
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{ NULL, no_argument, 0, '0' },
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};
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static struct option long_options[] = {
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{"full-name", required_argument, 0, 'f'},
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{"office", required_argument, 0, 'o'},
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{"office-phone", required_argument, 0, 'p'},
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{"home-phone", required_argument, 0, 'h'},
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{"help", no_argument, 0, 'u'},
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{"version", no_argument, 0, 'v'},
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{NULL, no_argument, 0, '0'},
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};
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optind = 0;
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info_given = false;
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while (true) {
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c = getopt_long (argc, argv, "f:r:p:h:o:uv", long_options, &index);
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if (c == -1) break;
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/* version? output version and exit. */
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if (c == 'v') {
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printf (UTIL_LINUX_VERSION);
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exit (EXIT_SUCCESS);
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optind = 0;
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info_given = false;
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while (true) {
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c = getopt_long(argc, argv, "f:r:p:h:o:uv", long_options,
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&index);
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if (c == -1)
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break;
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/* version? output version and exit. */
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if (c == 'v') {
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printf(UTIL_LINUX_VERSION);
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exit(EXIT_SUCCESS);
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}
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if (c == 'u')
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usage(stdout);
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/* all other options must have an argument. */
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if (!optarg)
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usage(stderr);
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/* ok, we were given an argument */
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info_given = true;
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status = 0;
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/* now store the argument */
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switch (c) {
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case 'f':
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pinfo->full_name = optarg;
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status = check_gecos_string(_("Name"), optarg);
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break;
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case 'o':
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pinfo->office = optarg;
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status = check_gecos_string(_("Office"), optarg);
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break;
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case 'p':
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pinfo->office_phone = optarg;
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status = check_gecos_string(_("Office Phone"), optarg);
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break;
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case 'h':
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pinfo->home_phone = optarg;
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status = check_gecos_string(_("Home Phone"), optarg);
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break;
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default:
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usage(stderr);
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}
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if (status < 0)
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exit(status);
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}
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if (c == 'u')
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usage (stdout);
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/* all other options must have an argument. */
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if (! optarg)
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usage (stderr);
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/* ok, we were given an argument */
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info_given = true;
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status = 0;
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/* now store the argument */
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switch (c) {
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case 'f':
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pinfo->full_name = optarg;
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status = check_gecos_string (_("Name"), optarg);
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break;
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case 'o':
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pinfo->office = optarg;
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status = check_gecos_string (_("Office"), optarg);
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break;
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case 'p':
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pinfo->office_phone = optarg;
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status = check_gecos_string (_("Office Phone"), optarg);
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break;
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case 'h':
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pinfo->home_phone = optarg;
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status = check_gecos_string (_("Home Phone"), optarg);
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break;
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default:
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usage (stderr);
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/* done parsing arguments. check for a username. */
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if (optind < argc) {
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if (optind + 1 < argc)
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usage(stderr);
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pinfo->username = argv[optind];
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}
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if (status < 0) exit (status);
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}
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/* done parsing arguments. check for a username. */
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if (optind < argc) {
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if (optind + 1 < argc)
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usage (stderr);
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pinfo->username = argv[optind];
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}
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return (! info_given);
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return (!info_given);
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}
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/*
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* parse_passwd () --
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* take a struct password and fill in the fields of the
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* struct finfo.
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* take a struct password and fill in the fields of the struct finfo.
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*/
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static void parse_passwd(struct passwd *pw, struct finfo *pinfo)
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{
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char *gecos;
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char *cp;
|
||||
char *gecos;
|
||||
char *cp;
|
||||
|
||||
if (pw) {
|
||||
pinfo->pw = pw;
|
||||
pinfo->username = pw->pw_name;
|
||||
/* use pw_gecos - we take a copy since PAM destroys the original */
|
||||
gecos = xstrdup(pw->pw_gecos);
|
||||
cp = (gecos ? gecos : "");
|
||||
pinfo->full_name = cp;
|
||||
cp = strchr (cp, ',');
|
||||
if (cp) { *cp = 0, cp++; } else return;
|
||||
pinfo->office = cp;
|
||||
cp = strchr (cp, ',');
|
||||
if (cp) { *cp = 0, cp++; } else return;
|
||||
pinfo->office_phone = cp;
|
||||
cp = strchr (cp, ',');
|
||||
if (cp) { *cp = 0, cp++; } else return;
|
||||
pinfo->home_phone = cp;
|
||||
/* extra fields contain site-specific information, and
|
||||
* can not be changed by this version of chfn. */
|
||||
cp = strchr (cp, ',');
|
||||
if (cp) { *cp = 0, cp++; } else return;
|
||||
pinfo->other = cp;
|
||||
}
|
||||
if (pw) {
|
||||
pinfo->pw = pw;
|
||||
pinfo->username = pw->pw_name;
|
||||
/* use pw_gecos - we take a copy since PAM destroys the original */
|
||||
gecos = xstrdup(pw->pw_gecos);
|
||||
cp = (gecos ? gecos : "");
|
||||
pinfo->full_name = cp;
|
||||
cp = strchr(cp, ',');
|
||||
if (cp) {
|
||||
*cp = 0, cp++;
|
||||
} else
|
||||
return;
|
||||
pinfo->office = cp;
|
||||
cp = strchr(cp, ',');
|
||||
if (cp) {
|
||||
*cp = 0, cp++;
|
||||
} else
|
||||
return;
|
||||
pinfo->office_phone = cp;
|
||||
cp = strchr(cp, ',');
|
||||
if (cp) {
|
||||
*cp = 0, cp++;
|
||||
} else
|
||||
return;
|
||||
pinfo->home_phone = cp;
|
||||
/* extra fields contain site-specific information, and can
|
||||
* not be changed by this version of chfn. */
|
||||
cp = strchr(cp, ',');
|
||||
if (cp) {
|
||||
*cp = 0, cp++;
|
||||
} else
|
||||
return;
|
||||
pinfo->other = cp;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -306,11 +323,11 @@ static void parse_passwd(struct passwd *pw, struct finfo *pinfo)
|
|||
*/
|
||||
static void ask_info(struct finfo *oldfp, struct finfo *newfp)
|
||||
{
|
||||
newfp->full_name = prompt (_("Name"), oldfp->full_name);
|
||||
newfp->office = prompt (_("Office"), oldfp->office);
|
||||
newfp->office_phone = prompt (_("Office Phone"), oldfp->office_phone);
|
||||
newfp->home_phone = prompt (_("Home Phone"), oldfp->home_phone);
|
||||
printf ("\n");
|
||||
newfp->full_name = prompt(_("Name"), oldfp->full_name);
|
||||
newfp->office = prompt(_("Office"), oldfp->office);
|
||||
newfp->office_phone = prompt(_("Office Phone"), oldfp->office_phone);
|
||||
newfp->home_phone = prompt(_("Home Phone"), oldfp->home_phone);
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -319,67 +336,74 @@ static void ask_info(struct finfo *oldfp, struct finfo *newfp)
|
|||
*/
|
||||
static char *prompt(char *question, char *def_val)
|
||||
{
|
||||
static char *blank = "none";
|
||||
int len;
|
||||
char *ans, *cp;
|
||||
static char *blank = "none";
|
||||
int len;
|
||||
char *ans, *cp;
|
||||
|
||||
while (true) {
|
||||
if (! def_val) def_val = "";
|
||||
printf("%s [%s]: ", question, def_val);
|
||||
*buf = 0;
|
||||
if (fgets (buf, sizeof (buf), stdin) == NULL)
|
||||
errx (EXIT_FAILURE, _("Aborted."));
|
||||
/* remove the newline at the end of buf. */
|
||||
ans = buf;
|
||||
while (isspace (*ans)) ans++;
|
||||
len = strlen (ans);
|
||||
while (len > 0 && isspace (ans[len-1])) len--;
|
||||
if (len <= 0) return NULL;
|
||||
ans[len] = 0;
|
||||
if (! strcasecmp (ans, blank)) return "";
|
||||
if (check_gecos_string (NULL, ans) >= 0) break;
|
||||
}
|
||||
cp = (char *) xmalloc (len + 1);
|
||||
strcpy (cp, ans);
|
||||
return cp;
|
||||
while (true) {
|
||||
if (!def_val)
|
||||
def_val = "";
|
||||
printf("%s [%s]: ", question, def_val);
|
||||
*buf = 0;
|
||||
if (fgets(buf, sizeof(buf), stdin) == NULL)
|
||||
errx(EXIT_FAILURE, _("Aborted."));
|
||||
/* remove the newline at the end of buf. */
|
||||
ans = buf;
|
||||
while (isspace(*ans))
|
||||
ans++;
|
||||
len = strlen(ans);
|
||||
while (len > 0 && isspace(ans[len - 1]))
|
||||
len--;
|
||||
if (len <= 0)
|
||||
return NULL;
|
||||
ans[len] = 0;
|
||||
if (!strcasecmp(ans, blank))
|
||||
return "";
|
||||
if (check_gecos_string(NULL, ans) >= 0)
|
||||
break;
|
||||
}
|
||||
cp = (char *)xmalloc(len + 1);
|
||||
strcpy(cp, ans);
|
||||
return cp;
|
||||
}
|
||||
|
||||
/*
|
||||
* check_gecos_string () --
|
||||
* check that the given gecos string is legal. if it's not legal,
|
||||
* output "msg" followed by a description of the problem, and
|
||||
* return (-1).
|
||||
* output "msg" followed by a description of the problem, and return (-1).
|
||||
*/
|
||||
static int check_gecos_string(char *msg, char *gecos)
|
||||
{
|
||||
unsigned int i, c;
|
||||
unsigned int i, c;
|
||||
|
||||
if (strlen(gecos) > MAX_FIELD_SIZE) {
|
||||
if (msg)
|
||||
warnx (_("field %s is too long"), msg);
|
||||
else
|
||||
warnx (_("field is too long"));
|
||||
return -1;
|
||||
}
|
||||
if (strlen(gecos) > MAX_FIELD_SIZE) {
|
||||
if (msg)
|
||||
warnx(_("field %s is too long"), msg);
|
||||
else
|
||||
warnx(_("field is too long"));
|
||||
return -1;
|
||||
}
|
||||
|
||||
for (i = 0; i < strlen (gecos); i++) {
|
||||
c = gecos[i];
|
||||
if (c == ',' || c == ':' || c == '=' || c == '"' || c == '\n') {
|
||||
if (msg)
|
||||
warnx (_("%s: '%c' is not allowed"), msg, c);
|
||||
else
|
||||
warnx (_("'%c' is not allowed"), c);
|
||||
return -1;
|
||||
for (i = 0; i < strlen(gecos); i++) {
|
||||
c = gecos[i];
|
||||
if (c == ',' || c == ':' || c == '=' || c == '"' || c == '\n') {
|
||||
if (msg)
|
||||
warnx(_("%s: '%c' is not allowed"), msg, c);
|
||||
else
|
||||
warnx(_("'%c' is not allowed"), c);
|
||||
return -1;
|
||||
}
|
||||
if (iscntrl(c)) {
|
||||
if (msg)
|
||||
warnx(_
|
||||
("%s: control characters are not allowed"),
|
||||
msg);
|
||||
else
|
||||
warnx(_("control characters are not allowed"));
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
if (iscntrl (c)) {
|
||||
if (msg)
|
||||
warnx (_("%s: control characters are not allowed"), msg);
|
||||
else
|
||||
warnx (_("control characters are not allowed"));
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -388,18 +412,26 @@ static int check_gecos_string(char *msg, char *gecos)
|
|||
*/
|
||||
static int set_changed_data(struct finfo *oldfp, struct finfo *newfp)
|
||||
{
|
||||
int changed = false;
|
||||
int changed = false;
|
||||
|
||||
if (newfp->full_name) {
|
||||
oldfp->full_name = newfp->full_name; changed = true; }
|
||||
if (newfp->office) {
|
||||
oldfp->office = newfp->office; changed = true; }
|
||||
if (newfp->office_phone) {
|
||||
oldfp->office_phone = newfp->office_phone; changed = true; }
|
||||
if (newfp->home_phone) {
|
||||
oldfp->home_phone = newfp->home_phone; changed = true; }
|
||||
if (newfp->full_name) {
|
||||
oldfp->full_name = newfp->full_name;
|
||||
changed = true;
|
||||
}
|
||||
if (newfp->office) {
|
||||
oldfp->office = newfp->office;
|
||||
changed = true;
|
||||
}
|
||||
if (newfp->office_phone) {
|
||||
oldfp->office_phone = newfp->office_phone;
|
||||
changed = true;
|
||||
}
|
||||
if (newfp->home_phone) {
|
||||
oldfp->home_phone = newfp->home_phone;
|
||||
changed = true;
|
||||
}
|
||||
|
||||
return changed;
|
||||
return changed;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -409,37 +441,44 @@ static int set_changed_data(struct finfo *oldfp, struct finfo *newfp)
|
|||
*/
|
||||
static int save_new_data(struct finfo *pinfo)
|
||||
{
|
||||
char *gecos;
|
||||
int len;
|
||||
char *gecos;
|
||||
int len;
|
||||
|
||||
/* null fields will confuse printf(). */
|
||||
if (! pinfo->full_name) pinfo->full_name = "";
|
||||
if (! pinfo->office) pinfo->office = "";
|
||||
if (! pinfo->office_phone) pinfo->office_phone = "";
|
||||
if (! pinfo->home_phone) pinfo->home_phone = "";
|
||||
if (! pinfo->other) pinfo->other = "";
|
||||
/* null fields will confuse printf(). */
|
||||
if (!pinfo->full_name)
|
||||
pinfo->full_name = "";
|
||||
if (!pinfo->office)
|
||||
pinfo->office = "";
|
||||
if (!pinfo->office_phone)
|
||||
pinfo->office_phone = "";
|
||||
if (!pinfo->home_phone)
|
||||
pinfo->home_phone = "";
|
||||
if (!pinfo->other)
|
||||
pinfo->other = "";
|
||||
|
||||
/* create the new gecos string */
|
||||
len = (strlen (pinfo->full_name) + strlen (pinfo->office) +
|
||||
strlen (pinfo->office_phone) + strlen (pinfo->home_phone) +
|
||||
strlen (pinfo->other) + 4);
|
||||
gecos = (char *) xmalloc (len + 1);
|
||||
sprintf (gecos, "%s,%s,%s,%s,%s", pinfo->full_name, pinfo->office,
|
||||
pinfo->office_phone, pinfo->home_phone, pinfo->other);
|
||||
/* create the new gecos string */
|
||||
len = (strlen(pinfo->full_name) + strlen(pinfo->office) +
|
||||
strlen(pinfo->office_phone) + strlen(pinfo->home_phone) +
|
||||
strlen(pinfo->other) + 4);
|
||||
gecos = (char *)xmalloc(len + 1);
|
||||
sprintf(gecos, "%s,%s,%s,%s,%s", pinfo->full_name, pinfo->office,
|
||||
pinfo->office_phone, pinfo->home_phone, pinfo->other);
|
||||
|
||||
/* remove trailing empty fields (but not subfields of pinfo->other) */
|
||||
if (! pinfo->other[0] ) {
|
||||
while (len > 0 && gecos[len-1] == ',') len--;
|
||||
gecos[len] = 0;
|
||||
}
|
||||
/* remove trailing empty fields (but not subfields of pinfo->other) */
|
||||
if (!pinfo->other[0]) {
|
||||
while (len > 0 && gecos[len - 1] == ',')
|
||||
len--;
|
||||
gecos[len] = 0;
|
||||
}
|
||||
|
||||
/* write the new struct passwd to the passwd file. */
|
||||
pinfo->pw->pw_gecos = gecos;
|
||||
if (setpwnam (pinfo->pw) < 0) {
|
||||
warn ("setpwnam");
|
||||
printf( _("Finger information *NOT* changed. Try again later.\n" ));
|
||||
return -1;
|
||||
}
|
||||
printf (_("Finger information changed.\n"));
|
||||
return 0;
|
||||
/* write the new struct passwd to the passwd file. */
|
||||
pinfo->pw->pw_gecos = gecos;
|
||||
if (setpwnam(pinfo->pw) < 0) {
|
||||
warn("setpwnam");
|
||||
printf(_
|
||||
("Finger information *NOT* changed. Try again later.\n"));
|
||||
return -1;
|
||||
}
|
||||
printf(_("Finger information changed.\n"));
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue