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correct_password: undo whitespace damage.

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vlock + correct_password: fix incorrect line breaks in messages.
This commit is contained in:
Denis Vlasenko 2006-09-23 13:11:49 +00:00
parent 7f1f5b001f
commit a36a676923
3 changed files with 17 additions and 30 deletions
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38
libbb/correct_password.c
View File

@ -28,50 +28,38 @@
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <syslog.h>
#include <ctype.h>
#include <crypt.h>
#include "libbb.h"
/* Ask the user for a password.
Return 1 if the user gives the correct password for entry PW,
0 if not. Return 1 without asking for a password if run by UID 0
or if PW has an empty password. */
int correct_password ( const struct passwd *pw )
int correct_password(const struct passwd *pw)
{
char *unencrypted, *encrypted, *correct;
#ifdef CONFIG_FEATURE_SHADOWPASSWDS
if (( strcmp ( pw-> pw_passwd, "x" ) == 0 ) || ( strcmp ( pw-> pw_passwd, "*" ) == 0 )) {
struct spwd *sp = getspnam ( pw-> pw_name );
if (!strcmp(pw->pw_passwd, "x") || !strcmp(pw->pw_passwd, "*")) {
struct spwd *sp = getspnam(pw->pw_name);
if ( !sp )
bb_error_msg_and_die ( "\nno valid shadow password" );
if (!sp)
bb_error_msg_and_die("no valid shadow password");
correct = sp-> sp_pwdp;
correct = sp->sp_pwdp;
}
else
#endif
correct = pw-> pw_passwd;
correct = pw->pw_passwd;
if ( correct == 0 || correct[0] == '\0' )
if (!correct || correct[0] == '\0')
return 1;
unencrypted = bb_askpass ( 0, "Password: " );
if ( !unencrypted )
{
unencrypted = bb_askpass(0, "Password: ");
if (!unencrypted) {
return 0;
}
encrypted = crypt ( unencrypted, correct );
memset ( unencrypted, 0, strlen ( unencrypted ));
return ( strcmp ( encrypted, correct ) == 0 ) ? 1 : 0;
encrypted = crypt(unencrypted, correct);
memset(unencrypted, 0, strlen(unencrypted));
return (!strcmp(encrypted, correct)) ? 1 : 0;
}

2
loginutils/su.c
View File

@ -45,7 +45,7 @@ int su_main(int argc, char **argv)
}
pw = getpwnam(opt_username);
if (!pw) bb_error_msg_and_die("Unknown id: %s", opt_username);
if (!pw) bb_error_msg_and_die("unknown id: %s", opt_username);
/* Make sure pw->pw_shell is non-NULL. It may be NULL when NEW_USER
is a username that is retrieved via NIS (YP), but that doesn't have

7
loginutils/vlock.c
View File

@ -108,13 +108,12 @@ int vlock_main(int argc, char **argv)
tcsetattr(STDIN_FILENO, TCSANOW, &term);
do {
printf("Virtual Console%s locked.\n%s's ", (o_lock_all) ? "s" : "", pw->pw_name);
fflush(stdout);
if (correct_password (pw)) {
printf("Virtual Console%s locked. Enter %s's password to unlock\n", (o_lock_all) ? "s" : "", pw->pw_name);
if (correct_password(pw)) {
break;
}
bb_do_delay(FAIL_DELAY);
puts("Password incorrect.");
puts("Password incorrect");
} while (1);
restore_terminal();
return 0;