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mirror of https://github.com/samba-team/samba.git synced 2025-02-02 09:47:23 +03:00

auth/kerberos: Rename memory contexts for greater clarity

This should better follow the mem_ctx/tmp_ctx pattern used elsewhere in Samba.

Thankyou Simo for the suggestion.

Andrew Bartlett
This commit is contained in:
Andrew Bartlett 2011-12-29 22:26:06 +11:00
parent c2d6509c0b
commit 2f0ba1435d

View File

@ -77,7 +77,7 @@ krb5_error_code check_pac_checksum(TALLOC_CTX *mem_ctx,
*
* @return - A NTSTATUS error code
*/
NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx,
DATA_BLOB pac_data_blob,
krb5_context context,
const krb5_keyblock *krbtgt_keyblock,
@ -109,8 +109,8 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
bool bool_ret;
TALLOC_CTX *mem_ctx = talloc_new(mem_ctx_out);
if (!mem_ctx) {
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
if (!tmp_ctx) {
return NT_STATUS_NO_MEMORY;
}
@ -118,12 +118,12 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
*pac_data_out = NULL;
}
pac_data = talloc(mem_ctx, struct PAC_DATA);
pac_data_raw = talloc(mem_ctx, struct PAC_DATA_RAW);
kdc_sig_wipe = talloc(mem_ctx, struct PAC_SIGNATURE_DATA);
srv_sig_wipe = talloc(mem_ctx, struct PAC_SIGNATURE_DATA);
pac_data = talloc(tmp_ctx, struct PAC_DATA);
pac_data_raw = talloc(tmp_ctx, struct PAC_DATA_RAW);
kdc_sig_wipe = talloc(tmp_ctx, struct PAC_SIGNATURE_DATA);
srv_sig_wipe = talloc(tmp_ctx, struct PAC_SIGNATURE_DATA);
if (!pac_data_raw || !pac_data || !kdc_sig_wipe || !srv_sig_wipe) {
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_NO_MEMORY;
}
@ -133,14 +133,14 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
status = ndr_map_error2ntstatus(ndr_err);
DEBUG(0,("can't parse the PAC: %s\n",
nt_errstr(status)));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return status;
}
if (pac_data->num_buffers < 4) {
/* we need logon_ingo, service_key and kdc_key */
DEBUG(0,("less than 4 PAC buffers\n"));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
@ -151,14 +151,14 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
status = ndr_map_error2ntstatus(ndr_err);
DEBUG(0,("can't parse the PAC: %s\n",
nt_errstr(status)));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return status;
}
if (pac_data_raw->num_buffers < 4) {
/* we need logon_ingo, service_key and kdc_key */
DEBUG(0,("less than 4 PAC buffers\n"));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
@ -167,7 +167,7 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
DEBUG(0, ("misparse! PAC_DATA has %d buffers while "
"PAC_DATA_RAW has %d\n", pac_data->num_buffers,
pac_data_raw->num_buffers));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
@ -179,7 +179,7 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
DEBUG(0, ("misparse! PAC_DATA buffer %d has type "
"%d while PAC_DATA_RAW has %d\n", i,
data_buf->type, raw_buf->type));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
switch (data_buf->type) {
@ -213,25 +213,25 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
if (!logon_info) {
DEBUG(0,("PAC no logon_info\n"));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
if (!logon_name) {
DEBUG(0,("PAC no logon_name\n"));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
if (!srv_sig_ptr || !srv_sig_blob) {
DEBUG(0,("PAC no srv_key\n"));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
if (!kdc_sig_ptr || !kdc_sig_blob) {
DEBUG(0,("PAC no kdc_key\n"));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
@ -247,7 +247,7 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
status = ndr_map_error2ntstatus(ndr_err);
DEBUG(0,("can't parse the KDC signature: %s\n",
nt_errstr(status)));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return status;
}
@ -258,7 +258,7 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
status = ndr_map_error2ntstatus(ndr_err);
DEBUG(0,("can't parse the SRV signature: %s\n",
nt_errstr(status)));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return status;
}
@ -276,7 +276,7 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
status = ndr_map_error2ntstatus(ndr_err);
DEBUG(0,("can't repack the KDC signature: %s\n",
nt_errstr(status)));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return status;
}
ndr_err = ndr_push_struct_blob(
@ -286,7 +286,7 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
status = ndr_map_error2ntstatus(ndr_err);
DEBUG(0,("can't repack the SRV signature: %s\n",
nt_errstr(status)));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return status;
}
@ -298,13 +298,13 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
status = ndr_map_error2ntstatus(ndr_err);
DEBUG(0,("can't repack the RAW PAC: %s\n",
nt_errstr(status)));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return status;
}
if (service_keyblock) {
/* verify by service_key */
ret = check_pac_checksum(mem_ctx,
ret = check_pac_checksum(tmp_ctx,
modified_pac_blob, srv_sig_ptr,
context,
service_keyblock);
@ -316,13 +316,13 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
if (krbtgt_keyblock) {
/* verify the service key checksum by krbtgt_key */
ret = check_pac_checksum(mem_ctx,
ret = check_pac_checksum(tmp_ctx,
srv_sig_ptr->signature, kdc_sig_ptr,
context, krbtgt_keyblock);
if (ret) {
DEBUG(1, ("PAC Decode: Failed to verify the KDC signature: %s\n",
smb_get_krb5_error_message(context, ret, mem_ctx)));
talloc_free(mem_ctx);
smb_get_krb5_error_message(context, ret, tmp_ctx)));
talloc_free(tmp_ctx);
return NT_STATUS_ACCESS_DENIED;
}
}
@ -336,10 +336,10 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
DEBUG(2, ("PAC Decode: "
"Logon time mismatch between ticket and PAC!\n"));
DEBUG(2, ("PAC Decode: PAC: %s\n",
nt_time_string(mem_ctx, logon_name->logon_time)));
nt_time_string(tmp_ctx, logon_name->logon_time)));
DEBUG(2, ("PAC Decode: Ticket: %s\n",
nt_time_string(mem_ctx, tgs_authtime_nttime)));
talloc_free(mem_ctx);
nt_time_string(tmp_ctx, tgs_authtime_nttime)));
talloc_free(tmp_ctx);
return NT_STATUS_ACCESS_DENIED;
}
}
@ -351,7 +351,7 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
if (ret) {
DEBUG(2, ("Could not parse name from PAC: [%s]:%s\n",
logon_name->account_name, error_message(ret)));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_INVALID_PARAMETER;
}
@ -364,7 +364,7 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
if (!bool_ret) {
DEBUG(2, ("Name in PAC [%s] does not match principal name "
"in ticket\n", logon_name->account_name));
talloc_free(mem_ctx);
talloc_free(tmp_ctx);
return NT_STATUS_ACCESS_DENIED;
}
}
@ -377,14 +377,14 @@ NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx_out,
if (DEBUGLEVEL >= 10) {
const char *s;
s = NDR_PRINT_STRUCT_STRING(mem_ctx, PAC_DATA, pac_data);
s = NDR_PRINT_STRUCT_STRING(tmp_ctx, PAC_DATA, pac_data);
if (s) {
DEBUGADD(10,("%s\n", s));
}
}
if (pac_data_out) {
*pac_data_out = talloc_steal(mem_ctx_out, pac_data);
*pac_data_out = talloc_steal(mem_ctx, pac_data);
}
return NT_STATUS_OK;