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libwbclient: allow only one initial_blob/challenge_blob in wbcCredentialCache()

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Bug: https://bugzilla.samba.org/show_bug.cgi?id=10692

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Stefan Metzmacher 2014-07-10 05:28:36 +02:00 committed by Jeremy Allison
parent e7c683ba69
commit 6704799dec
1 changed files with 19 additions and 9 deletions
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28
nsswitch/libwbclient/wbc_pam.c
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@ -1207,6 +1207,25 @@ wbcErr wbcCredentialCache(struct wbcCredentialCacheParams *params,
goto fail;
}
for (i=0; i<params->num_blobs; i++) {
if (strcasecmp(params->blobs[i].name, "initial_blob") == 0) {
if (initial_blob != NULL) {
status = WBC_ERR_INVALID_PARAM;
goto fail;
}
initial_blob = &params->blobs[i];
continue;
}
if (strcasecmp(params->blobs[i].name, "challenge_blob") == 0) {
if (challenge_blob != NULL) {
status = WBC_ERR_INVALID_PARAM;
goto fail;
}
challenge_blob = &params->blobs[i];
continue;
}
}
if (params->domain_name != NULL) {
status = wbcRequestResponse(WINBINDD_INFO, NULL, &response);
if (!WBC_ERROR_IS_OK(status)) {
@ -1224,15 +1243,6 @@ wbcErr wbcCredentialCache(struct wbcCredentialCacheParams *params,
}
request.data.ccache_ntlm_auth.uid = getuid();
for (i=0; i<params->num_blobs; i++) {
if (strcasecmp(params->blobs[i].name, "initial_blob") == 0) {
initial_blob = &params->blobs[i];
}
if (strcasecmp(params->blobs[i].name, "challenge_blob") == 0) {
challenge_blob = &params->blobs[i];
}
}
request.data.ccache_ntlm_auth.initial_blob_len = 0;
request.data.ccache_ntlm_auth.challenge_blob_len = 0;
request.extra_len = 0;