diff options
Diffstat (limited to 'source4/libcli/auth')
| -rw-r--r-- | source4/libcli/auth/smbencrypt.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/source4/libcli/auth/smbencrypt.c b/source4/libcli/auth/smbencrypt.c index 3a4a724789..a9a7bb9903 100644 --- a/source4/libcli/auth/smbencrypt.c +++ b/source4/libcli/auth/smbencrypt.c @@ -324,7 +324,8 @@ static DATA_BLOB NTLMv2_generate_client_data(TALLOC_CTX *mem_ctx, const DATA_BLO return response; } -static DATA_BLOB NTLMv2_generate_response(const uint8_t ntlm_v2_hash[16], +static DATA_BLOB NTLMv2_generate_response(TALLOC_CTX *out_mem_ctx, + const uint8_t ntlm_v2_hash[16], const DATA_BLOB *server_chal, const DATA_BLOB *names_blob) { @@ -332,7 +333,8 @@ static DATA_BLOB NTLMv2_generate_response(const uint8_t ntlm_v2_hash[16], DATA_BLOB ntlmv2_client_data; DATA_BLOB final_response; - TALLOC_CTX *mem_ctx = talloc_init("NTLMv2_generate_response internal context"); + TALLOC_CTX *mem_ctx = talloc_named(out_mem_ctx, 0, + "NTLMv2_generate_response internal context"); if (!mem_ctx) { return data_blob(NULL, 0); @@ -346,7 +348,7 @@ static DATA_BLOB NTLMv2_generate_response(const uint8_t ntlm_v2_hash[16], /* Given that data, and the challenge from the server, generate a response */ SMBOWFencrypt_ntv2(ntlm_v2_hash, server_chal, &ntlmv2_client_data, ntlmv2_response); - final_response = data_blob(NULL, sizeof(ntlmv2_response) + ntlmv2_client_data.length); + final_response = data_blob(out_mem_ctx, sizeof(ntlmv2_response) + ntlmv2_client_data.length); memcpy(final_response.data, ntlmv2_response, sizeof(ntlmv2_response)); @@ -358,12 +360,13 @@ static DATA_BLOB NTLMv2_generate_response(const uint8_t ntlm_v2_hash[16], return final_response; } -static DATA_BLOB LMv2_generate_response(const uint8_t ntlm_v2_hash[16], +static DATA_BLOB LMv2_generate_response(TALLOC_CTX *mem_ctx, + const uint8_t ntlm_v2_hash[16], const DATA_BLOB *server_chal) { uint8_t lmv2_response[16]; - DATA_BLOB lmv2_client_data = data_blob(NULL, 8); - DATA_BLOB final_response = data_blob(NULL, 24); + DATA_BLOB lmv2_client_data = data_blob(mem_ctx, 8); + DATA_BLOB final_response = data_blob(mem_ctx, 24); /* LMv2 */ /* client-supplied random data */ @@ -383,7 +386,8 @@ static DATA_BLOB LMv2_generate_response(const uint8_t ntlm_v2_hash[16], return final_response; } -BOOL SMBNTLMv2encrypt_hash(const char *user, const char *domain, const uint8_t nt_hash[16], +BOOL SMBNTLMv2encrypt_hash(TALLOC_CTX *mem_ctx, + const char *user, const char *domain, const uint8_t nt_hash[16], const DATA_BLOB *server_chal, const DATA_BLOB *names_blob, DATA_BLOB *lm_response, DATA_BLOB *nt_response, @@ -400,10 +404,11 @@ BOOL SMBNTLMv2encrypt_hash(const char *user, const char *domain, const uint8_t n } if (nt_response) { - *nt_response = NTLMv2_generate_response(ntlm_v2_hash, server_chal, + *nt_response = NTLMv2_generate_response(mem_ctx, + ntlm_v2_hash, server_chal, names_blob); if (user_session_key) { - *user_session_key = data_blob(NULL, 16); + *user_session_key = data_blob(mem_ctx, 16); /* The NTLMv2 calculations also provide a session key, for signing etc later */ /* use only the first 16 bytes of nt_response for session key */ @@ -414,9 +419,10 @@ BOOL SMBNTLMv2encrypt_hash(const char *user, const char *domain, const uint8_t n /* LMv2 */ if (lm_response) { - *lm_response = LMv2_generate_response(ntlm_v2_hash, server_chal); + *lm_response = LMv2_generate_response(mem_ctx, + ntlm_v2_hash, server_chal); if (lm_session_key) { - *lm_session_key = data_blob(NULL, 16); + *lm_session_key = data_blob(mem_ctx, 16); /* The NTLMv2 calculations also provide a session key, for signing etc later */ /* use only the first 16 bytes of lm_response for session key */ @@ -427,7 +433,9 @@ BOOL SMBNTLMv2encrypt_hash(const char *user, const char *domain, const uint8_t n return True; } -BOOL SMBNTLMv2encrypt(const char *user, const char *domain, const char *password, +BOOL SMBNTLMv2encrypt(TALLOC_CTX *mem_ctx, + const char *user, const char *domain, + const char *password, const DATA_BLOB *server_chal, const DATA_BLOB *names_blob, DATA_BLOB *lm_response, DATA_BLOB *nt_response, @@ -436,7 +444,8 @@ BOOL SMBNTLMv2encrypt(const char *user, const char *domain, const char *password uint8_t nt_hash[16]; E_md4hash(password, nt_hash); - return SMBNTLMv2encrypt_hash(user, domain, nt_hash, server_chal, names_blob, + return SMBNTLMv2encrypt_hash(mem_ctx, + user, domain, nt_hash, server_chal, names_blob, lm_response, nt_response, lm_session_key, user_session_key); } |