* Written for SLIND (from passwd.c) by Alexander Shishkin <virtuoso@slind.org>
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
-
#include "libbb.h"
-#if ENABLE_GETOPT_LONG
-#include <getopt.h>
-
-static const struct option chpasswd_opts[] = {
- { "encrypted", no_argument, NULL, 'e' },
- { "md5", no_argument, NULL, 'm' },
- { NULL, 0, NULL, 0 }
-};
+#if ENABLE_LONG_OPTS
+static const char chpasswd_longopts[] ALIGN1 =
+ "encrypted\0" No_argument "e"
+ "md5\0" No_argument "m"
+ ;
#endif
#define OPT_ENC 1
#define OPT_MD5 2
-int chpasswd_main(int argc, char **argv);
-int chpasswd_main(int argc, char **argv)
+int chpasswd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int chpasswd_main(int argc UNUSED_PARAM, char **argv)
{
char *name, *pass;
char salt[sizeof("$N$XXXXXXXX")];
- int opt;
+ int opt, rc;
int rnd = rnd; /* we *want* it to be non-initialized! */
if (getuid())
bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
- opt_complementary = "?m--e:e--m";
- USE_GETOPT_LONG(applet_long_options = chpasswd_opts;)
- opt = getopt32(argc, argv, "em");
+ opt_complementary = "m--e:e--m";
+ IF_LONG_OPTS(applet_long_options = chpasswd_longopts;)
+ opt = getopt32(argv, "em");
- while ((name = xmalloc_getline(stdin)) != NULL) {
+ while ((name = xmalloc_fgetline(stdin)) != NULL) {
pass = strchr(name, ':');
if (!pass)
bb_error_msg_and_die("missing new password");
strcpy(salt, "$1$");
rnd = crypt_make_salt(salt + 3, 4, rnd);
}
- pass = pw_encrypt(pass, salt);
+ pass = pw_encrypt(pass, salt, 0);
}
- /* LOGMODE_BOTH logs to syslog */
+ /* This is rather complex: if user is not found in /etc/shadow,
+ * we try to find & change his passwd in /etc/passwd */
+#if ENABLE_FEATURE_SHADOWPASSWDS
+ rc = update_passwd(bb_path_shadow_file, name, pass, NULL);
+ if (rc == 0) /* no lines updated, no errors detected */
+#endif
+ rc = update_passwd(bb_path_passwd_file, name, pass, NULL);
+ /* LOGMODE_BOTH logs to syslog also */
logmode = LOGMODE_BOTH;
-
- if ((ENABLE_FEATURE_SHADOWPASSWDS
- && !update_passwd(bb_path_shadow_file, name, pass))
- || !update_passwd(bb_path_passwd_file, name, pass)
- ) {
+ if (rc < 0)
bb_error_msg_and_die("an error occurred updating password for %s", name);
- } else {
+ if (rc)
bb_info_msg("Password for '%s' changed", name);
- }
logmode = LOGMODE_STDIO;
free(name);
+ if (!(opt & OPT_ENC))
+ free(pass);
}
-
- return 0;
+ return EXIT_SUCCESS;
}