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Provide extra salt for crypt(3)

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This commit is contained in:
Kurt Zeilenga 2001-01-20 01:15:28 +00:00
parent 4703fe82b2
commit 90c9d543a8
1 changed files with 6 additions and 5 deletions
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11
libraries/liblutil/passwd.c
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@ -1176,7 +1176,7 @@ static struct berval *hash_crypt(
const struct berval *passwd )
{
struct berval hash;
unsigned char salt[3];
unsigned char salt[9]; /* salt suitable for anything */
int i;
for( i=0; i<passwd->bv_len; i++) {
@ -1189,13 +1189,14 @@ static struct berval *hash_crypt(
return NULL; /* passwd must behave like a string */
}
if( lutil_entropy( salt, sizeof(salt)) < 0 ) {
if( lutil_entropy( salt, 8) < 0 ) {
return NULL;
}
salt[0] = crypt64[ salt[0] % (sizeof(crypt64)-1) ];
salt[1] = crypt64[ salt[1] % (sizeof(crypt64)-1) ];
salt[2] = '\0';
for( i=0; i<8; i++ ) {
salt[i] = crypt64[ salt[i] % (sizeof(crypt64)-1) ];
}
salt[8] = '\0';
hash.bv_val = crypt( passwd->bv_val, salt );