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s3:kerberos Return PAC_LOGON_INFO rather than the full PAC_DATA

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All the callers just want the PAC_LOGON_INFO, so search for that in
ads_verify_ticket(), and don't bother the callers with the rest of the
PAC.

This change makes sense on it's own (removing boilerplate wrappers
that just confuse the code), but it also makes it much easier to
implement a matching ads_verify_ticket() function in Samba4 for the
s3compat proposal.

Andrew Bartlett

Signed-off-by: Günther Deschner <gd@samba.org>
This commit is contained in:
Andrew Bartlett
2010-05-06 12:45:14 +10:00
committed by Günther Deschner
parent d0a87f0098
commit 454b0b3f20
7 changed files with 50 additions and 163 deletions
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122
source3/libads/authdata.c
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@@ -325,25 +325,9 @@ static krb5_error_code check_pac_checksum(TALLOC_CTX *mem_ctx,
}
/****************************************************************
****************************************************************/
struct PAC_LOGON_INFO *get_logon_info_from_pac(struct PAC_DATA *pac_data)
{
int i;
for (i=0; i < pac_data->num_buffers; i++) {
if (pac_data->buffers[i].type != PAC_TYPE_LOGON_INFO) {
continue;
}
return pac_data->buffers[i].info->logon_info.info;
}
return NULL;
}
/****************************************************************
Given a username, password and other details, return the
PAC_LOGON_INFO (the structure containing the important user
information such as groups).
****************************************************************/
NTSTATUS kerberos_return_pac(TALLOC_CTX *mem_ctx,
@@ -357,12 +341,11 @@ NTSTATUS kerberos_return_pac(TALLOC_CTX *mem_ctx,
bool add_netbios_addr,
time_t renewable_time,
const char *impersonate_princ_s,
struct PAC_DATA **pac_ret)
struct PAC_LOGON_INFO **logon_info)
{
krb5_error_code ret;
NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
DATA_BLOB tkt, ap_rep, sesskey1, sesskey2;
struct PAC_DATA *pac_data = NULL;
char *client_princ_out = NULL;
const char *auth_princ = NULL;
const char *local_service = NULL;
@@ -453,7 +436,7 @@ NTSTATUS kerberos_return_pac(TALLOC_CTX *mem_ctx,
time_offset,
&tkt,
&client_princ_out,
&pac_data,
logon_info,
&ap_rep,
&sesskey2,
False);
@@ -463,14 +446,12 @@ NTSTATUS kerberos_return_pac(TALLOC_CTX *mem_ctx,
goto out;
}
if (!pac_data) {
if (!*logon_info) {
DEBUG(1,("no PAC\n"));
status = NT_STATUS_INVALID_PARAMETER;
goto out;
}
*pac_ret = pac_data;
out:
if (cc != cache_name) {
ads_kdestroy(cc);
@@ -486,95 +467,4 @@ out:
return status;
}
/****************************************************************
****************************************************************/
static NTSTATUS kerberos_return_pac_logon_info(TALLOC_CTX *mem_ctx,
const char *name,
const char *pass,
time_t time_offset,
time_t *expire_time,
time_t *renew_till_time,
const char *cache_name,
bool request_pac,
bool add_netbios_addr,
time_t renewable_time,
const char *impersonate_princ_s,
struct PAC_LOGON_INFO **logon_info)
{
NTSTATUS status;
struct PAC_DATA *pac_data = NULL;
struct PAC_LOGON_INFO *info = NULL;
status = kerberos_return_pac(mem_ctx,
name,
pass,
time_offset,
expire_time,
renew_till_time,
cache_name,
request_pac,
add_netbios_addr,
renewable_time,
impersonate_princ_s,
&pac_data);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
if (!pac_data) {
DEBUG(3,("no pac\n"));
return NT_STATUS_INVALID_USER_BUFFER;
}
info = get_logon_info_from_pac(pac_data);
if (!info) {
DEBUG(1,("no logon_info\n"));
return NT_STATUS_INVALID_USER_BUFFER;
}
*logon_info = info;
return NT_STATUS_OK;
}
/****************************************************************
****************************************************************/
NTSTATUS kerberos_return_info3_from_pac(TALLOC_CTX *mem_ctx,
const char *name,
const char *pass,
time_t time_offset,
time_t *expire_time,
time_t *renew_till_time,
const char *cache_name,
bool request_pac,
bool add_netbios_addr,
time_t renewable_time,
const char *impersonate_princ_s,
struct netr_SamInfo3 **info3)
{
NTSTATUS status;
struct PAC_LOGON_INFO *logon_info = NULL;
status = kerberos_return_pac_logon_info(mem_ctx,
name,
pass,
time_offset,
expire_time,
renew_till_time,
cache_name,
request_pac,
add_netbios_addr,
renewable_time,
impersonate_princ_s,
&logon_info);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
*info3 = &logon_info->info3;
return NT_STATUS_OK;
}
#endif