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vip-ire |
1.1 |
From db5a50fc60daaec47cbb520af1802f49c51cb5ec Mon Sep 17 00:00:00 2001 |
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From: Stefan Metzmacher <metze@samba.org> |
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Date: Wed, 11 May 2016 17:59:32 +0200 |
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Subject: [PATCH] s3:ntlm_auth: make ntlm_auth_generate_session_info() more |
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complete |
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MIME-Version: 1.0 |
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Content-Type: text/plain; charset=UTF-8 |
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Content-Transfer-Encoding: 8bit |
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The generate_session_info() function maybe called more than once |
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per session. |
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Some may try to look/dereference session_info->security_token, |
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so we provide simplified token. |
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BUG: https://bugzilla.samba.org/show_bug.cgi?id=11914 |
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Signed-off-by: Stefan Metzmacher <metze@samba.org> |
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Reviewed-by: Andreas Schneider <asn@samba.org> |
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Reviewed-by: Günther Deschner <gd@samba.org> |
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(cherry picked from commit 825cce1f88b797c80116769e1755328dee2ba0e1) |
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--- |
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source3/utils/ntlm_auth.c | 51 ++++++++++++++++++++++++++++++++++++++++++----- |
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1 file changed, 46 insertions(+), 5 deletions(-) |
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diff --git a/source3/utils/ntlm_auth.c b/source3/utils/ntlm_auth.c |
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index d01c522..0fa8997 100644 |
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--- a/source3/utils/ntlm_auth.c |
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+++ b/source3/utils/ntlm_auth.c |
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@@ -27,6 +27,7 @@ |
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#include "includes.h" |
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#include "lib/param/param.h" |
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#include "popt_common.h" |
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+#include "libcli/security/security.h" |
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#include "utils/ntlm_auth.h" |
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#include "../libcli/auth/libcli_auth.h" |
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#include "auth/ntlmssp/ntlmssp.h" |
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@@ -705,18 +706,58 @@ static NTSTATUS ntlm_auth_generate_session_info(struct auth4_context *auth_conte |
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uint32_t session_info_flags, |
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struct auth_session_info **session_info_out) |
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{ |
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- char *unix_username = (char *)server_returned_info; |
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- struct auth_session_info *session_info = talloc_zero(mem_ctx, struct auth_session_info); |
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- if (!session_info) { |
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+ const char *unix_username = (const char *)server_returned_info; |
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+ bool ok; |
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+ struct dom_sid *sids = NULL; |
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+ struct auth_session_info *session_info = NULL; |
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+ |
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+ session_info = talloc_zero(mem_ctx, struct auth_session_info); |
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+ if (session_info == NULL) { |
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return NT_STATUS_NO_MEMORY; |
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} |
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session_info->unix_info = talloc_zero(session_info, struct auth_user_info_unix); |
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- if (!session_info->unix_info) { |
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+ if (session_info->unix_info == NULL) { |
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+ TALLOC_FREE(session_info); |
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+ return NT_STATUS_NO_MEMORY; |
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+ } |
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+ session_info->unix_info->unix_name = talloc_strdup(session_info->unix_info, |
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+ unix_username); |
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+ if (session_info->unix_info->unix_name == NULL) { |
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+ TALLOC_FREE(session_info); |
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+ return NT_STATUS_NO_MEMORY; |
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+ } |
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+ |
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+ session_info->security_token = talloc_zero(session_info, struct security_token); |
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+ if (session_info->security_token == NULL) { |
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TALLOC_FREE(session_info); |
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return NT_STATUS_NO_MEMORY; |
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} |
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- session_info->unix_info->unix_name = talloc_steal(session_info->unix_info, unix_username); |
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+ |
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+ sids = talloc_zero_array(session_info->security_token, |
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+ struct dom_sid, 3); |
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+ if (sids == NULL) { |
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+ TALLOC_FREE(session_info); |
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+ return NT_STATUS_NO_MEMORY; |
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+ } |
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+ ok = dom_sid_parse(SID_WORLD, &sids[0]); |
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+ if (!ok) { |
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+ TALLOC_FREE(session_info); |
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+ return NT_STATUS_INTERNAL_ERROR; |
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+ } |
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+ ok = dom_sid_parse(SID_NT_NETWORK, &sids[1]); |
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+ if (!ok) { |
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+ TALLOC_FREE(session_info); |
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+ return NT_STATUS_INTERNAL_ERROR; |
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+ } |
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+ ok = dom_sid_parse(SID_NT_AUTHENTICATED_USERS, &sids[2]); |
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+ if (!ok) { |
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+ TALLOC_FREE(session_info); |
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+ return NT_STATUS_INTERNAL_ERROR; |
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+ } |
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+ |
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+ session_info->security_token->num_sids = talloc_array_length(sids); |
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+ session_info->security_token->sids = sids; |
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*session_info_out = session_info; |
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-- |
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1.9.1 |
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