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check return value

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24146 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2008-12-11 05:07:35 +00:00
parent e2f40cd57f
commit 12edcfbf3b
1 changed files with 12 additions and 3 deletions
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15
lib/ntlm/ntlm.c
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@@ -1041,15 +1041,18 @@ heim_ntlm_build_ntlm1_master(void *key, size_t len,
* @param target the name of the target, assumed to be in UTF8. * @param target the name of the target, assumed to be in UTF8.
* @param ntlmv2 the ntlmv2 session key * @param ntlmv2 the ntlmv2 session key
* *
* @return 0 on success, or an error code on failure.
*
* @ingroup ntlm_core * @ingroup ntlm_core
*/ */
void int
heim_ntlm_ntlmv2_key(const void *key, size_t len, heim_ntlm_ntlmv2_key(const void *key, size_t len,
const char *username, const char *username,
const char *target, const char *target,
unsigned char ntlmv2[16]) unsigned char ntlmv2[16])
{ {
int ret;
unsigned int hmaclen; unsigned int hmaclen;
HMAC_CTX c; HMAC_CTX c;
@@ -1058,17 +1061,23 @@ heim_ntlm_ntlmv2_key(const void *key, size_t len,
{ {
struct ntlm_buf buf; struct ntlm_buf buf;
/* uppercase username and turn it into ucs2-le */ /* uppercase username and turn it into ucs2-le */
ascii2ucs2le(username, 1, &buf); ret = ascii2ucs2le(username, 1, &buf);
if (ret)
goto out;
HMAC_Update(&c, buf.data, buf.length); HMAC_Update(&c, buf.data, buf.length);
free(buf.data); free(buf.data);
/* uppercase target and turn into ucs2-le */ /* uppercase target and turn into ucs2-le */
ascii2ucs2le(target, 1, &buf); ret = ascii2ucs2le(target, 1, &buf);
if (ret)
goto out;
HMAC_Update(&c, buf.data, buf.length); HMAC_Update(&c, buf.data, buf.length);
free(buf.data); free(buf.data);
} }
HMAC_Final(&c, ntlmv2, &hmaclen); HMAC_Final(&c, ntlmv2, &hmaclen);
out:
HMAC_CTX_cleanup(&c); HMAC_CTX_cleanup(&c);
return ret;
} }
/* /*