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68404f13d4
function old new delta procps_scan 1265 1298 +33 aliascmd 278 283 +5 parse_file_cmd 116 120 +4 dname_enc 373 377 +4 setcmd 90 93 +3 execcmd 57 60 +3 count_lines 72 74 +2 process_command_subs 340 339 -1 test_main 409 407 -2 mknod_main 179 177 -2 handle_incoming_and_exit 2653 2651 -2 argstr 1312 1310 -2 shiftcmd 131 128 -3 exitcmd 46 43 -3 dotcmd 297 294 -3 breakcmd 86 83 -3 evalpipe 353 349 -4 evalcommand 1180 1176 -4 evalcmd 109 105 -4 send_tree 374 369 -5 mkfifo_main 82 77 -5 evalsubshell 152 147 -5 typecmd 75 69 -6 letcmd 61 55 -6 add_cmd 1190 1183 -7 main 891 883 -8 ash_main 1415 1407 -8 parse_stream 1377 1367 -10 alloc_procps_scan 55 - -55 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148) Total: -94 bytes text data bss dec hex filename 797195 658 7428 805281 c49a1 busybox_old 797101 658 7428 805187 c4943 busybox_unstripped
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* chpasswd.c
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*
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* Written for SLIND (from passwd.c) by Alexander Shishkin <virtuoso@slind.org>
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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#if ENABLE_GETOPT_LONG
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#include <getopt.h>
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static const char chpasswd_longopts[] ALIGN1 =
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"encrypted\0" No_argument "e"
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"md5\0" No_argument "m"
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;
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#endif
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#define OPT_ENC 1
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#define OPT_MD5 2
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int chpasswd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int chpasswd_main(int argc ATTRIBUTE_UNUSED, char **argv)
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{
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char *name, *pass;
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char salt[sizeof("$N$XXXXXXXX")];
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int opt, rc;
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int rnd = rnd; /* we *want* it to be non-initialized! */
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if (getuid())
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bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
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opt_complementary = "m--e:e--m";
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USE_GETOPT_LONG(applet_long_options = chpasswd_longopts;)
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opt = getopt32(argv, "em");
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while ((name = xmalloc_getline(stdin)) != NULL) {
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pass = strchr(name, ':');
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if (!pass)
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bb_error_msg_and_die("missing new password");
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*pass++ = '\0';
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xuname2uid(name); /* dies if there is no such user */
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if (!(opt & OPT_ENC)) {
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rnd = crypt_make_salt(salt, 1, rnd);
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if (opt & OPT_MD5) {
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strcpy(salt, "$1$");
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rnd = crypt_make_salt(salt + 3, 4, rnd);
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}
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pass = pw_encrypt(pass, salt);
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}
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/* This is rather complex: if user is not found in /etc/shadow,
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* we try to find & change his passwd in /etc/passwd */
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#if ENABLE_FEATURE_SHADOWPASSWDS
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rc = update_passwd(bb_path_shadow_file, name, pass);
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if (rc == 0) /* no lines updated, no errors detected */
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#endif
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rc = update_passwd(bb_path_passwd_file, name, pass);
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/* LOGMODE_BOTH logs to syslog also */
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logmode = LOGMODE_BOTH;
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if (rc < 0)
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bb_error_msg_and_die("an error occurred updating password for %s", name);
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if (rc)
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bb_info_msg("Password for '%s' changed", name);
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logmode = LOGMODE_STDIO;
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free(name);
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}
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return 0;
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}
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