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(decrypt_internal_derived): move up padsize to avoid memory leak

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13178 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2003-12-03 13:07:41 +00:00
parent 1da5f2fcee
commit dc82ab8fa2
1 changed files with 5 additions and 4 deletions
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9
lib/krb5/crypto.c
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@@ -3018,6 +3018,11 @@ decrypt_internal_derived(krb5_context context,
return EINVAL; /* XXX - better error code? */
}
if (((len - checksum_sz) % et->padsize) != 0) {
krb5_clear_error_string(context);
return KRB5_BAD_MSIZE;
}
p = malloc(len);
if(len != 0 && p == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
@@ -3027,10 +3032,6 @@ decrypt_internal_derived(krb5_context context,
len -= checksum_sz;
if ((len % et->padsize) != 0) {
krb5_clear_error_string(context);
return KRB5_BAD_MSIZE;
}
ret = _get_derived_key(context, crypto, ENCRYPTION_USAGE(usage), &dkey);
if(ret) {
free(p);