mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-18 00:12:29 +02:00
56 lines
1.5 KiB
Diff
56 lines
1.5 KiB
Diff
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--- a/loginutils/chpasswd.c
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+++ b/loginutils/chpasswd.c
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@@ -33,9 +33,8 @@ static const char chpasswd_longopts[] AL
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int chpasswd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int chpasswd_main(int argc UNUSED_PARAM, 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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+ char *name;
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+ int opt;
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if (getuid() != 0)
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bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
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@@ -45,6 +44,10 @@ int chpasswd_main(int argc UNUSED_PARAM,
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opt = getopt32(argv, "em");
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while ((name = xmalloc_fgetline(stdin)) != NULL) {
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+ char *free_me;
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+ char *pass;
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+ int rc;
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+
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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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@@ -52,7 +55,10 @@ int chpasswd_main(int argc UNUSED_PARAM,
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xuname2uid(name); /* dies if there is no such user */
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+ free_me = NULL;
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if (!(opt & OPT_ENC)) {
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+ char salt[sizeof("$N$XXXXXXXX")];
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+
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crypt_make_salt(salt, 1);
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if (opt & OPT_MD5) {
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salt[0] = '$';
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@@ -60,7 +66,7 @@ int chpasswd_main(int argc UNUSED_PARAM,
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salt[2] = '$';
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crypt_make_salt(salt + 3, 4);
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}
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- pass = pw_encrypt(pass, salt, 0);
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+ free_me = pass = pw_encrypt(pass, salt, 0);
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}
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/* This is rather complex: if user is not found in /etc/shadow,
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@@ -81,8 +87,7 @@ int chpasswd_main(int argc UNUSED_PARAM,
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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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- if (!(opt & OPT_ENC))
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- free(pass);
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+ free(free_me);
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}
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return EXIT_SUCCESS;
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}
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