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login: ask passwords even for wrong usernames.

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# size busybox_old busybox_unstripped
   text    data     bss     dec     hex filename
 680099    2704   15648  698451   aa853 busybox_old
 680110    2704   15648  698462   aa85e busybox_unstripped
This commit is contained in:
Denis Vlasenko
2007-06-08 15:27:06 +00:00
parent bdbbb7ec49
commit 65e14b4588
2 changed files with 11 additions and 7 deletions
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11
libbb/correct_password.c
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@ -31,9 +31,10 @@
#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. */
* Return 1 if the user gives the correct password for entry PW,
* 0 if not. Return 1 without asking if PW has an empty password.
*
* NULL pw means "just fake it for login with bad username" */
int correct_password(const struct passwd *pw)
{
@ -46,6 +47,9 @@ int correct_password(const struct passwd *pw)
char buffer[256];
#endif
correct = "aa"; /* fake salt. crypt() can choke otherwise */
if (!pw)
goto fake_it; /* "aa" will never match */
correct = pw->pw_passwd;
#if ENABLE_FEATURE_SHADOWPASSWDS
if (LONE_CHAR(pw->pw_passwd, 'x') || LONE_CHAR(pw->pw_passwd, '*')) {
@ -59,6 +63,7 @@ int correct_password(const struct passwd *pw)
if (!correct || correct[0] == '\0')
return 1;
fake_it:
unencrypted = bb_askpass(0, "Password: ");
if (!unencrypted) {
return 0;