diff options
Diffstat (limited to 'lib/misc.c')
| -rw-r--r-- | lib/misc.c | 41 |
1 files changed, 41 insertions, 0 deletions
@@ -32,6 +32,7 @@ #define BITLBEE_CORE #include "nogaim.h" +#include "base64.h" #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -596,3 +597,43 @@ gboolean ssl_sockerr_again( void *ssl ) else return sockerr_again(); } + +/* Returns values: -1 == Failure (base64-decoded to something unexpected) + 0 == Okay + 1 == Password doesn't match the hash. */ +int md5_verify_password( char *password, char *hash ) +{ + md5_byte_t *pass_dec = NULL; + md5_byte_t pass_md5[16]; + md5_state_t md5_state; + int ret, i; + + if( base64_decode( hash, &pass_dec ) != 21 ) + { + ret = -1; + } + else + { + md5_init( &md5_state ); + md5_append( &md5_state, (md5_byte_t*) password, strlen( password ) ); + md5_append( &md5_state, (md5_byte_t*) pass_dec + 16, 5 ); /* Hmmm, salt! */ + md5_finish( &md5_state, pass_md5 ); + + for( i = 0; i < 16; i ++ ) + { + if( pass_dec[i] != pass_md5[i] ) + { + ret = 1; + break; + } + } + + /* If we reached the end of the loop, it was a match! */ + if( i == 16 ) + ret = 0; + } + + g_free( pass_dec ); + + return ret; +} |