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libcli/auth: add netlogon_creds_shallow_copy_logon()

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This can be used before netlogon_creds_encrypt_samlogon_logon()
in order to keep the provided buffers unchanged.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This commit is contained in:
Stefan Metzmacher 2013-04-24 12:53:27 +02:00 committed by Andreas Schneider
parent c7319fce60
commit 2ea749a1a4
2 changed files with 76 additions and 0 deletions
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73
libcli/auth/credentials.c
View File

@ -719,6 +719,79 @@ void netlogon_creds_encrypt_samlogon_logon(struct netlogon_creds_CredentialState
netlogon_creds_crypt_samlogon_logon(creds, level, logon, true);
}
union netr_LogonLevel *netlogon_creds_shallow_copy_logon(TALLOC_CTX *mem_ctx,
enum netr_LogonInfoClass level,
const union netr_LogonLevel *in)
{
union netr_LogonLevel *out;
if (in == NULL) {
return NULL;
}
out = talloc(mem_ctx, union netr_LogonLevel);
if (out == NULL) {
return NULL;
}
*out = *in;
switch (level) {
case NetlogonInteractiveInformation:
case NetlogonInteractiveTransitiveInformation:
case NetlogonServiceInformation:
case NetlogonServiceTransitiveInformation:
if (in->password == NULL) {
return out;
}
out->password = talloc(out, struct netr_PasswordInfo);
if (out->password == NULL) {
talloc_free(out);
return NULL;
}
*out->password = *in->password;
return out;
case NetlogonNetworkInformation:
case NetlogonNetworkTransitiveInformation:
break;
case NetlogonGenericInformation:
if (in->generic == NULL) {
return out;
}
out->generic = talloc(out, struct netr_GenericInfo);
if (out->generic == NULL) {
talloc_free(out);
return NULL;
}
*out->generic = *in->generic;
if (in->generic->data == NULL) {
return out;
}
if (in->generic->length == 0) {
return out;
}
out->generic->data = talloc_memdup(out->generic,
in->generic->data,
in->generic->length);
if (out->generic->data == NULL) {
talloc_free(out);
return NULL;
}
return out;
}
return out;
}
/*
copy a netlogon_creds_CredentialState struct
*/

3
libcli/auth/proto.h
View File

@ -70,6 +70,9 @@ void netlogon_creds_decrypt_samlogon_logon(struct netlogon_creds_CredentialState
void netlogon_creds_encrypt_samlogon_logon(struct netlogon_creds_CredentialState *creds,
enum netr_LogonInfoClass level,
union netr_LogonLevel *logon);
union netr_LogonLevel *netlogon_creds_shallow_copy_logon(TALLOC_CTX *mem_ctx,
enum netr_LogonInfoClass level,
const union netr_LogonLevel *in);
/* The following definitions come from /home/jeremy/src/samba/git/master/source3/../source4/../libcli/auth/session.c */