diff options
Diffstat (limited to 'source3/rpc_client')
| -rw-r--r-- | source3/rpc_client/cli_samr.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/source3/rpc_client/cli_samr.c b/source3/rpc_client/cli_samr.c index 047d0a1f95..fb95da97ae 100644 --- a/source3/rpc_client/cli_samr.c +++ b/source3/rpc_client/cli_samr.c @@ -1205,6 +1205,95 @@ NTSTATUS rpccli_samr_chgpasswd_user(struct rpc_pipe_client *cli, return result; } +/* change password 3 */ + +NTSTATUS rpccli_samr_chgpasswd3(struct rpc_pipe_client *cli, + TALLOC_CTX *mem_ctx, + const char *username, + const char *newpassword, + const char *oldpassword, + SAM_UNK_INFO_1 **info, + SAMR_CHANGE_REJECT **reject) +{ + prs_struct qbuf, rbuf; + SAMR_Q_CHGPASSWD3 q; + SAMR_R_CHGPASSWD3 r; + NTSTATUS result = NT_STATUS_UNSUCCESSFUL; + + uchar new_nt_password[516]; + uchar new_lm_password[516]; + uchar old_nt_hash[16]; + uchar old_lanman_hash[16]; + uchar old_nt_hash_enc[16]; + uchar old_lanman_hash_enc[16]; + + uchar new_nt_hash[16]; + uchar new_lanman_hash[16]; + + char *srv_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", cli->cli->desthost); + + DEBUG(10,("rpccli_samr_chgpasswd3\n")); + + ZERO_STRUCT(q); + ZERO_STRUCT(r); + + *info = NULL; + *reject = NULL; + + /* Calculate the MD4 hash (NT compatible) of the password */ + E_md4hash(oldpassword, old_nt_hash); + E_md4hash(newpassword, new_nt_hash); + + if (lp_client_lanman_auth() + && E_deshash(newpassword, new_lanman_hash) + && E_deshash(oldpassword, old_lanman_hash)) { + /* E_deshash returns false for 'long' passwords (> 14 + DOS chars). This allows us to match Win2k, which + does not store a LM hash for these passwords (which + would reduce the effective password length to 14) */ + + encode_pw_buffer(new_lm_password, newpassword, STR_UNICODE); + + SamOEMhash( new_lm_password, old_nt_hash, 516); + E_old_pw_hash( new_nt_hash, old_lanman_hash, old_lanman_hash_enc); + } else { + ZERO_STRUCT(new_lm_password); + ZERO_STRUCT(old_lanman_hash_enc); + } + + encode_pw_buffer(new_nt_password, newpassword, STR_UNICODE); + + SamOEMhash( new_nt_password, old_nt_hash, 516); + E_old_pw_hash( new_nt_hash, old_nt_hash, old_nt_hash_enc); + + /* Marshall data and send request */ + + init_samr_q_chgpasswd3(&q, srv_name_slash, username, + new_nt_password, + old_nt_hash_enc, + new_lm_password, + old_lanman_hash_enc); + + CLI_DO_RPC(cli, mem_ctx, PI_SAMR, SAMR_CHGPASSWD3, + q, r, + qbuf, rbuf, + samr_io_q_chgpasswd3, + samr_io_r_chgpasswd3, + NT_STATUS_UNSUCCESSFUL); + + /* Return output parameters */ + + if (!NT_STATUS_IS_OK(result = r.status)) { + *info = &r.info; + *reject = &r.reject; + goto done; + } + + done: + + return result; +} + /* This function returns the bizzare set of (max_entries, max_size) required for the QueryDisplayInfo RPC to actually work against a domain controller with large (10k and higher) numbers of users. These values were |