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authorStefan Metzmacher <metze@samba.org>2006-07-27 19:20:57 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 14:15:06 -0500
commit622d1db80ac57245daa758860c24559d323b3bc0 (patch)
tree944a4af2fa00f36da7203a3db081d12aa70e193f /source4
parent1575743c36e742403c48a15a61bb0afa518012d8 (diff)
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r17284: move the input checking stuff from ntlmssp_update() into its
own function. metze (This used to be commit ee81ad57938a9f54533a0028b87fd84bde90db8d)
Diffstat (limited to 'source4')
-rw-r--r--source4/auth/ntlmssp/ntlmssp.c84
1 files changed, 44 insertions, 40 deletions
diff --git a/source4/auth/ntlmssp/ntlmssp.c b/source4/auth/ntlmssp/ntlmssp.c
index bb9ff9cc63..c75ebe9eb8 100644
--- a/source4/auth/ntlmssp/ntlmssp.c
+++ b/source4/auth/ntlmssp/ntlmssp.c
@@ -108,28 +108,12 @@ static NTSTATUS gensec_ntlmssp_magic(struct gensec_security *gensec_security,
}
}
-/**
- * Next state function for the wrapped NTLMSSP state machine
- *
- * @param gensec_security GENSEC state, initialised to NTLMSSP
- * @param out_mem_ctx The TALLOC_CTX for *out to be allocated on
- * @param in The request, as a DATA_BLOB
- * @param out The reply, as an talloc()ed DATA_BLOB, on *out_mem_ctx
- * @return Error, MORE_PROCESSING_REQUIRED if a reply is sent,
- * or NT_STATUS_OK if the user is authenticated.
- */
-
-static NTSTATUS gensec_ntlmssp_update(struct gensec_security *gensec_security,
- TALLOC_CTX *out_mem_ctx,
- const DATA_BLOB input, DATA_BLOB *out)
+static NTSTATUS gensec_ntlmssp_update_find(struct gensec_ntlmssp_state *gensec_ntlmssp_state,
+ const DATA_BLOB input, uint32_t *idx)
{
- struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
- NTSTATUS status;
-
+ struct gensec_security *gensec_security = gensec_ntlmssp_state->gensec_security;
uint32_t ntlmssp_command;
- int i;
-
- *out = data_blob(NULL, 0);
+ uint32_t i;
if (gensec_ntlmssp_state->expected_state == NTLMSSP_DONE) {
/* We are strict here because other modules, which we
@@ -140,12 +124,6 @@ static NTSTATUS gensec_ntlmssp_update(struct gensec_security *gensec_security,
return NT_STATUS_INVALID_PARAMETER;
}
- if (!out_mem_ctx) {
- /* if the caller doesn't want to manage/own the memory,
- we can put it on our context */
- out_mem_ctx = gensec_ntlmssp_state;
- }
-
if (!input.length) {
switch (gensec_ntlmssp_state->role) {
case NTLMSSP_CLIENT:
@@ -179,27 +157,53 @@ static NTSTATUS gensec_ntlmssp_update(struct gensec_security *gensec_security,
}
for (i=0; i < ARRAY_SIZE(ntlmssp_callbacks); i++) {
- if (ntlmssp_callbacks[i].role == gensec_ntlmssp_state->role
- && ntlmssp_callbacks[i].ntlmssp_command == ntlmssp_command) {
- status = ntlmssp_callbacks[i].fn(gensec_security, out_mem_ctx, input, out);
- break;
+ if (ntlmssp_callbacks[i].role == gensec_ntlmssp_state->role &&
+ ntlmssp_callbacks[i].ntlmssp_command == ntlmssp_command) {
+ *idx = i;
+ return NT_STATUS_OK;
}
}
- if (i == ARRAY_SIZE(ntlmssp_callbacks)) {
+ DEBUG(1, ("failed to find NTLMSSP callback for NTLMSSP mode %u, command %u\n",
+ gensec_ntlmssp_state->role, ntlmssp_command));
- DEBUG(1, ("failed to find NTLMSSP callback for NTLMSSP mode %u, command %u\n",
- gensec_ntlmssp_state->role, ntlmssp_command));
-
- return NT_STATUS_INVALID_PARAMETER;
- }
+ return NT_STATUS_INVALID_PARAMETER;
+}
+
+/**
+ * Next state function for the wrapped NTLMSSP state machine
+ *
+ * @param gensec_security GENSEC state, initialised to NTLMSSP
+ * @param out_mem_ctx The TALLOC_CTX for *out to be allocated on
+ * @param in The request, as a DATA_BLOB
+ * @param out The reply, as an talloc()ed DATA_BLOB, on *out_mem_ctx
+ * @return Error, MORE_PROCESSING_REQUIRED if a reply is sent,
+ * or NT_STATUS_OK if the user is authenticated.
+ */
- if (!NT_STATUS_IS_OK(status)) {
- /* error or more processing required */
- return status;
+static NTSTATUS gensec_ntlmssp_update(struct gensec_security *gensec_security,
+ TALLOC_CTX *out_mem_ctx,
+ const DATA_BLOB input, DATA_BLOB *out)
+{
+ struct gensec_ntlmssp_state *gensec_ntlmssp_state = gensec_security->private_data;
+ NTSTATUS status;
+ uint32_t i;
+
+ *out = data_blob(NULL, 0);
+
+ if (!out_mem_ctx) {
+ /* if the caller doesn't want to manage/own the memory,
+ we can put it on our context */
+ out_mem_ctx = gensec_ntlmssp_state;
}
+
+ status = gensec_ntlmssp_update_find(gensec_ntlmssp_state, input, &i);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ status = ntlmssp_callbacks[i].fn(gensec_security, out_mem_ctx, input, out);
+ NT_STATUS_NOT_OK_RETURN(status);
- return status;
+ return NT_STATUS_OK;
}
/**