diff options
Diffstat (limited to 'nsswitch/libwbclient/wbc_pam.c')
| -rw-r--r-- | nsswitch/libwbclient/wbc_pam.c | 1034 |
1 files changed, 1034 insertions, 0 deletions
diff --git a/nsswitch/libwbclient/wbc_pam.c b/nsswitch/libwbclient/wbc_pam.c new file mode 100644 index 0000000000..92c6643631 --- /dev/null +++ b/nsswitch/libwbclient/wbc_pam.c @@ -0,0 +1,1034 @@ +/* + Unix SMB/CIFS implementation. + + Winbind client API + + Copyright (C) Gerald (Jerry) Carter 2007 + Copyright (C) Guenther Deschner 2008 + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 3 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/* Required Headers */ + +#include "libwbclient.h" + +/* Authenticate a username/password pair */ +wbcErr wbcAuthenticateUser(const char *username, + const char *password) +{ + wbcErr wbc_status = WBC_ERR_SUCCESS; + struct wbcAuthUserParams params; + + ZERO_STRUCT(params); + + params.account_name = username; + params.level = WBC_AUTH_USER_LEVEL_PLAIN; + params.password.plaintext = password; + + wbc_status = wbcAuthenticateUserEx(¶ms, NULL, NULL); + BAIL_ON_WBC_ERROR(wbc_status); + +done: + return wbc_status; +} + +static wbcErr wbc_create_auth_info(TALLOC_CTX *mem_ctx, + const struct winbindd_response *resp, + struct wbcAuthUserInfo **_i) +{ + wbcErr wbc_status = WBC_ERR_SUCCESS; + struct wbcAuthUserInfo *i; + struct wbcDomainSid domain_sid; + char *p; + uint32_t sn = 0; + uint32_t j; + + i = talloc(mem_ctx, struct wbcAuthUserInfo); + BAIL_ON_PTR_ERROR(i, wbc_status); + + i->user_flags = resp->data.auth.info3.user_flgs; + + i->account_name = talloc_strdup(i, resp->data.auth.info3.user_name); + BAIL_ON_PTR_ERROR(i->account_name, wbc_status); + i->user_principal= NULL; + i->full_name = talloc_strdup(i, resp->data.auth.info3.full_name); + BAIL_ON_PTR_ERROR(i->full_name, wbc_status); + i->domain_name = talloc_strdup(i, resp->data.auth.info3.logon_dom); + BAIL_ON_PTR_ERROR(i->domain_name, wbc_status); + i->dns_domain_name= NULL; + + i->acct_flags = resp->data.auth.info3.acct_flags; + memcpy(i->user_session_key, + resp->data.auth.user_session_key, + sizeof(i->user_session_key)); + memcpy(i->lm_session_key, + resp->data.auth.first_8_lm_hash, + sizeof(i->lm_session_key)); + + i->logon_count = resp->data.auth.info3.logon_count; + i->bad_password_count = resp->data.auth.info3.bad_pw_count; + + i->logon_time = resp->data.auth.info3.logon_time; + i->logoff_time = resp->data.auth.info3.logoff_time; + i->kickoff_time = resp->data.auth.info3.kickoff_time; + i->pass_last_set_time = resp->data.auth.info3.pass_last_set_time; + i->pass_can_change_time = resp->data.auth.info3.pass_can_change_time; + i->pass_must_change_time= resp->data.auth.info3.pass_must_change_time; + + i->logon_server = talloc_strdup(i, resp->data.auth.info3.logon_srv); + BAIL_ON_PTR_ERROR(i->logon_server, wbc_status); + i->logon_script = talloc_strdup(i, resp->data.auth.info3.logon_script); + BAIL_ON_PTR_ERROR(i->logon_script, wbc_status); + i->profile_path = talloc_strdup(i, resp->data.auth.info3.profile_path); + BAIL_ON_PTR_ERROR(i->profile_path, wbc_status); + i->home_directory= talloc_strdup(i, resp->data.auth.info3.home_dir); + BAIL_ON_PTR_ERROR(i->home_directory, wbc_status); + i->home_drive = talloc_strdup(i, resp->data.auth.info3.dir_drive); + BAIL_ON_PTR_ERROR(i->home_drive, wbc_status); + + i->num_sids = 2; + i->num_sids += resp->data.auth.info3.num_groups; + i->num_sids += resp->data.auth.info3.num_other_sids; + + i->sids = talloc_array(i, struct wbcSidWithAttr, i->num_sids); + BAIL_ON_PTR_ERROR(i->sids, wbc_status); + + wbc_status = wbcStringToSid(resp->data.auth.info3.dom_sid, + &domain_sid); + BAIL_ON_WBC_ERROR(wbc_status); + +#define _SID_COMPOSE(s, d, r, a) { \ + (s).sid = d; \ + if ((s).sid.num_auths < WBC_MAXSUBAUTHS) { \ + (s).sid.sub_auths[(s).sid.num_auths++] = r; \ + } else { \ + wbc_status = WBC_ERR_INVALID_SID; \ + BAIL_ON_WBC_ERROR(wbc_status); \ + } \ + (s).attributes = a; \ +} while (0) + + sn = 0; + _SID_COMPOSE(i->sids[sn], domain_sid, + resp->data.auth.info3.user_rid, + 0); + sn++; + _SID_COMPOSE(i->sids[sn], domain_sid, + resp->data.auth.info3.group_rid, + 0); + sn++; + + p = (char *)resp->extra_data.data; + if (!p) { + wbc_status = WBC_ERR_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + + for (j=0; j < resp->data.auth.info3.num_groups; j++) { + uint32_t rid; + uint32_t attrs; + int ret; + char *s = p; + char *e = strchr(p, '\n'); + if (!e) { + wbc_status = WBC_ERR_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + e[0] = '\0'; + p = &e[1]; + + ret = sscanf(s, "0x%08X:0x%08X", &rid, &attrs); + if (ret != 2) { + wbc_status = WBC_ERR_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + + _SID_COMPOSE(i->sids[sn], domain_sid, + rid, attrs); + sn++; + } + + for (j=0; j < resp->data.auth.info3.num_other_sids; j++) { + uint32_t attrs; + int ret; + char *s = p; + char *a; + char *e = strchr(p, '\n'); + if (!e) { + wbc_status = WBC_ERR_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + e[0] = '\0'; + p = &e[1]; + + e = strchr(s, ':'); + if (!e) { + wbc_status = WBC_ERR_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + e[0] = '\0'; + a = &e[1]; + + ret = sscanf(a, "0x%08X", + &attrs); + if (ret != 1) { + wbc_status = WBC_ERR_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + + wbc_status = wbcStringToSid(s, &i->sids[sn].sid); + BAIL_ON_WBC_ERROR(wbc_status); + + i->sids[sn].attributes = attrs; + sn++; + } + + i->num_sids = sn; + + *_i = i; + i = NULL; +done: + talloc_free(i); + return wbc_status; +} + +static wbcErr wbc_create_error_info(TALLOC_CTX *mem_ctx, + const struct winbindd_response *resp, + struct wbcAuthErrorInfo **_e) +{ + wbcErr wbc_status = WBC_ERR_SUCCESS; + struct wbcAuthErrorInfo *e; + + e = talloc(mem_ctx, struct wbcAuthErrorInfo); + BAIL_ON_PTR_ERROR(e, wbc_status); + + e->nt_status = resp->data.auth.nt_status; + e->pam_error = resp->data.auth.pam_error; + e->nt_string = talloc_strdup(e, resp->data.auth.nt_status_string); + BAIL_ON_PTR_ERROR(e->nt_string, wbc_status); + + e->display_string = talloc_strdup(e, resp->data.auth.error_string); + BAIL_ON_PTR_ERROR(e->display_string, wbc_status); + + *_e = e; + e = NULL; + +done: + talloc_free(e); + return wbc_status; +} + +static wbcErr wbc_create_password_policy_info(TALLOC_CTX *mem_ctx, + const struct winbindd_response *resp, + struct wbcUserPasswordPolicyInfo **_i) +{ + wbcErr wbc_status = WBC_ERR_SUCCESS; + struct wbcUserPasswordPolicyInfo *i; + + i = talloc(mem_ctx, struct wbcUserPasswordPolicyInfo); + BAIL_ON_PTR_ERROR(i, wbc_status); + + i->min_passwordage = resp->data.auth.policy.min_passwordage; + i->min_length_password = resp->data.auth.policy.min_length_password; + i->password_history = resp->data.auth.policy.password_history; + i->password_properties = resp->data.auth.policy.password_properties; + i->expire = resp->data.auth.policy.expire; + + *_i = i; + i = NULL; + +done: + talloc_free(i); + return wbc_status; +} + +static wbcErr wbc_create_logon_info(TALLOC_CTX *mem_ctx, + const struct winbindd_response *resp, + struct wbcLogonUserInfo **_i) +{ + wbcErr wbc_status = WBC_ERR_SUCCESS; + struct wbcLogonUserInfo *i; + + i = talloc_zero(mem_ctx, struct wbcLogonUserInfo); + BAIL_ON_PTR_ERROR(i, wbc_status); + + wbc_status = wbc_create_auth_info(i, resp, &i->info); + BAIL_ON_WBC_ERROR(wbc_status); + + if (resp->data.auth.krb5ccname) { + wbc_status = wbcAddNamedBlob(&i->num_blobs, + &i->blobs, + "krb5ccname", + 0, + (uint8_t *)resp->data.auth.krb5ccname, + strlen(resp->data.auth.krb5ccname)+1); + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (resp->data.auth.unix_username) { + wbc_status = wbcAddNamedBlob(&i->num_blobs, + &i->blobs, + "unix_username", + 0, + (uint8_t *)resp->data.auth.unix_username, + strlen(resp->data.auth.unix_username)+1); + BAIL_ON_WBC_ERROR(wbc_status); + } + + *_i = i; + i = NULL; +done: + if (!WBC_ERROR_IS_OK(wbc_status) && i) { + wbcFreeMemory(i->blobs); + } + + talloc_free(i); + return wbc_status; +} + +/* Authenticate with more detailed information */ +wbcErr wbcAuthenticateUserEx(const struct wbcAuthUserParams *params, + struct wbcAuthUserInfo **info, + struct wbcAuthErrorInfo **error) +{ + wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; + int cmd = 0; + struct winbindd_request request; + struct winbindd_response response; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + if (error) { + *error = NULL; + } + + if (!params) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (!params->account_name) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + /* Initialize request */ + + switch (params->level) { + case WBC_AUTH_USER_LEVEL_PLAIN: + cmd = WINBINDD_PAM_AUTH; + request.flags = WBFLAG_PAM_INFO3_TEXT | + WBFLAG_PAM_USER_SESSION_KEY | + WBFLAG_PAM_LMKEY; + + if (!params->password.plaintext) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->domain_name && params->domain_name[0]) { + /* We need to get the winbind separator :-( */ + struct winbindd_response sep_response; + + ZERO_STRUCT(sep_response); + + wbc_status = wbcRequestResponse(WINBINDD_INFO, + NULL, &sep_response); + BAIL_ON_WBC_ERROR(wbc_status); + + snprintf(request.data.auth.user, + sizeof(request.data.auth.user)-1, + "%s%c%s", + params->domain_name, + sep_response.data.info.winbind_separator, + params->account_name); + } else { + strncpy(request.data.auth.user, + params->account_name, + sizeof(request.data.auth.user)-1); + } + + strncpy(request.data.auth.pass, + params->password.plaintext, + sizeof(request.data.auth.pass)-1); + break; + + case WBC_AUTH_USER_LEVEL_HASH: + wbc_status = WBC_ERR_NOT_IMPLEMENTED; + BAIL_ON_WBC_ERROR(wbc_status); + break; + + case WBC_AUTH_USER_LEVEL_RESPONSE: + cmd = WINBINDD_PAM_AUTH_CRAP; + request.flags = WBFLAG_PAM_INFO3_TEXT | + WBFLAG_PAM_USER_SESSION_KEY | + WBFLAG_PAM_LMKEY; + + if (params->password.response.lm_length && + !params->password.response.lm_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + if (params->password.response.lm_length == 0 && + params->password.response.lm_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->password.response.nt_length && + !params->password.response.nt_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + if (params->password.response.nt_length == 0&& + params->password.response.nt_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + strncpy(request.data.auth_crap.user, + params->account_name, + sizeof(request.data.auth_crap.user)-1); + if (params->domain_name) { + strncpy(request.data.auth_crap.domain, + params->domain_name, + sizeof(request.data.auth_crap.domain)-1); + } + if (params->workstation_name) { + strncpy(request.data.auth_crap.workstation, + params->workstation_name, + sizeof(request.data.auth_crap.workstation)-1); + } + + request.data.auth_crap.logon_parameters = + params->parameter_control; + + memcpy(request.data.auth_crap.chal, + params->password.response.challenge, + sizeof(request.data.auth_crap.chal)); + + request.data.auth_crap.lm_resp_len = + MIN(params->password.response.lm_length, + sizeof(request.data.auth_crap.lm_resp)); + request.data.auth_crap.nt_resp_len = + MIN(params->password.response.nt_length, + sizeof(request.data.auth_crap.nt_resp)); + if (params->password.response.lm_data) { + memcpy(request.data.auth_crap.lm_resp, + params->password.response.lm_data, + request.data.auth_crap.lm_resp_len); + } + if (params->password.response.nt_data) { + memcpy(request.data.auth_crap.nt_resp, + params->password.response.nt_data, + request.data.auth_crap.nt_resp_len); + } + break; + default: + break; + } + + if (cmd == 0) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->flags) { + request.flags |= params->flags; + } + + wbc_status = wbcRequestResponse(cmd, + &request, + &response); + if (response.data.auth.nt_status != 0) { + if (error) { + wbc_status = wbc_create_error_info(NULL, + &response, + error); + BAIL_ON_WBC_ERROR(wbc_status); + } + + wbc_status = WBC_ERR_AUTH_ERROR; + BAIL_ON_WBC_ERROR(wbc_status); + } + BAIL_ON_WBC_ERROR(wbc_status); + + if (info) { + wbc_status = wbc_create_auth_info(NULL, + &response, + info); + BAIL_ON_WBC_ERROR(wbc_status); + } + +done: + if (response.extra_data.data) + free(response.extra_data.data); + + return wbc_status; +} + +/* Trigger a verification of the trust credentials of a specific domain */ +wbcErr wbcCheckTrustCredentials(const char *domain, + struct wbcAuthErrorInfo **error) +{ + struct winbindd_request request; + struct winbindd_response response; + wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; + + if (domain) { + /* + * the current protocol doesn't support + * specifying a domain + */ + wbc_status = WBC_ERR_NOT_IMPLEMENTED; + BAIL_ON_WBC_ERROR(wbc_status); + } + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + /* Send request */ + + wbc_status = wbcRequestResponse(WINBINDD_CHECK_MACHACC, + &request, + &response); + if (response.data.auth.nt_status != 0) { + if (error) { + wbc_status = wbc_create_error_info(NULL, + &response, + error); + BAIL_ON_WBC_ERROR(wbc_status); + } + + wbc_status = WBC_ERR_AUTH_ERROR; + BAIL_ON_WBC_ERROR(wbc_status); + } + BAIL_ON_WBC_ERROR(wbc_status); + + done: + return wbc_status; +} + +/* Trigger an extended logoff notification to Winbind for a specific user */ +wbcErr wbcLogoffUserEx(const struct wbcLogoffUserParams *params, + struct wbcAuthErrorInfo **error) +{ + struct winbindd_request request; + struct winbindd_response response; + wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; + int i; + + /* validate input */ + + if (!params || !params->username) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if ((params->num_blobs > 0) && (params->blobs == NULL)) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + if ((params->num_blobs == 0) && (params->blobs != NULL)) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + strncpy(request.data.logoff.user, params->username, + sizeof(request.data.logoff.user)-1); + + for (i=0; i<params->num_blobs; i++) { + + if (strcasecmp(params->blobs[i].name, "ccfilename") == 0) { + if (params->blobs[i].blob.data) { + strncpy(request.data.logoff.krb5ccname, + (const char *)params->blobs[i].blob.data, + sizeof(request.data.logoff.krb5ccname) - 1); + } + continue; + } + + if (strcasecmp(params->blobs[i].name, "user_uid") == 0) { + if (params->blobs[i].blob.data) { + memcpy(&request.data.logoff.uid, + params->blobs[i].blob.data, + MIN(params->blobs[i].blob.length, + sizeof(request.data.logoff.uid))); + } + continue; + } + + if (strcasecmp(params->blobs[i].name, "flags") == 0) { + if (params->blobs[i].blob.data) { + memcpy(&request.flags, + params->blobs[i].blob.data, + MIN(params->blobs[i].blob.length, + sizeof(request.flags))); + } + continue; + } + } + + /* Send request */ + + wbc_status = wbcRequestResponse(WINBINDD_PAM_LOGOFF, + &request, + &response); + + /* Take the response above and return it to the caller */ + if (response.data.auth.nt_status != 0) { + if (error) { + wbc_status = wbc_create_error_info(NULL, + &response, + error); + BAIL_ON_WBC_ERROR(wbc_status); + } + + wbc_status = WBC_ERR_AUTH_ERROR; + BAIL_ON_WBC_ERROR(wbc_status); + } + BAIL_ON_WBC_ERROR(wbc_status); + + done: + return wbc_status; +} + +/* Trigger a logoff notification to Winbind for a specific user */ +wbcErr wbcLogoffUser(const char *username, + uid_t uid, + const char *ccfilename) +{ + struct winbindd_request request; + struct winbindd_response response; + wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; + + /* validate input */ + + if (!username) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + strncpy(request.data.logoff.user, username, + sizeof(request.data.logoff.user)-1); + request.data.logoff.uid = uid; + + if (ccfilename) { + strncpy(request.data.logoff.krb5ccname, ccfilename, + sizeof(request.data.logoff.krb5ccname)-1); + } + + /* Send request */ + + wbc_status = wbcRequestResponse(WINBINDD_PAM_LOGOFF, + &request, + &response); + + /* Take the response above and return it to the caller */ + + done: + return wbc_status; +} + +/* Change a password for a user with more detailed information upon failure */ +wbcErr wbcChangeUserPasswordEx(const struct wbcChangePasswordParams *params, + struct wbcAuthErrorInfo **error, + enum wbcPasswordChangeRejectReason *reject_reason, + struct wbcUserPasswordPolicyInfo **policy) +{ + struct winbindd_request request; + struct winbindd_response response; + wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; + int cmd = 0; + + /* validate input */ + + if (!params->account_name) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (error) { + *error = NULL; + } + + if (policy) { + *policy = NULL; + } + + if (reject_reason) { + *reject_reason = -1; + } + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + switch (params->level) { + case WBC_CHANGE_PASSWORD_LEVEL_PLAIN: + cmd = WINBINDD_PAM_CHAUTHTOK; + + if (!params->account_name) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + strncpy(request.data.chauthtok.user, params->account_name, + sizeof(request.data.chauthtok.user) - 1); + + if (params->old_password.plaintext) { + strncpy(request.data.chauthtok.oldpass, + params->old_password.plaintext, + sizeof(request.data.chauthtok.oldpass) - 1); + } + + if (params->new_password.plaintext) { + strncpy(request.data.chauthtok.newpass, + params->new_password.plaintext, + sizeof(request.data.chauthtok.newpass) - 1); + } + break; + + case WBC_CHANGE_PASSWORD_LEVEL_RESPONSE: + cmd = WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP; + + if (!params->account_name || !params->domain_name) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->old_password.response.old_lm_hash_enc_length && + !params->old_password.response.old_lm_hash_enc_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->old_password.response.old_lm_hash_enc_length == 0 && + params->old_password.response.old_lm_hash_enc_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->old_password.response.old_nt_hash_enc_length && + !params->old_password.response.old_nt_hash_enc_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->old_password.response.old_nt_hash_enc_length == 0 && + params->old_password.response.old_nt_hash_enc_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->new_password.response.lm_length && + !params->new_password.response.lm_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->new_password.response.lm_length == 0 && + params->new_password.response.lm_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->new_password.response.nt_length && + !params->new_password.response.nt_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (params->new_password.response.nt_length == 0 && + params->new_password.response.nt_data) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + strncpy(request.data.chng_pswd_auth_crap.user, + params->account_name, + sizeof(request.data.chng_pswd_auth_crap.user) - 1); + + strncpy(request.data.chng_pswd_auth_crap.domain, + params->domain_name, + sizeof(request.data.chng_pswd_auth_crap.domain) - 1); + + if (params->new_password.response.nt_data) { + memcpy(request.data.chng_pswd_auth_crap.new_nt_pswd, + params->new_password.response.nt_data, + request.data.chng_pswd_auth_crap.new_nt_pswd_len); + request.data.chng_pswd_auth_crap.new_nt_pswd_len = + params->new_password.response.nt_length; + } + + if (params->new_password.response.lm_data) { + memcpy(request.data.chng_pswd_auth_crap.new_lm_pswd, + params->new_password.response.lm_data, + request.data.chng_pswd_auth_crap.new_lm_pswd_len); + request.data.chng_pswd_auth_crap.new_lm_pswd_len = + params->new_password.response.lm_length; + } + + if (params->old_password.response.old_nt_hash_enc_data) { + memcpy(request.data.chng_pswd_auth_crap.old_nt_hash_enc, + params->old_password.response.old_nt_hash_enc_data, + request.data.chng_pswd_auth_crap.old_nt_hash_enc_len); + request.data.chng_pswd_auth_crap.old_nt_hash_enc_len = + params->old_password.response.old_nt_hash_enc_length; + } + + if (params->old_password.response.old_lm_hash_enc_data) { + memcpy(request.data.chng_pswd_auth_crap.old_lm_hash_enc, + params->old_password.response.old_lm_hash_enc_data, + request.data.chng_pswd_auth_crap.old_lm_hash_enc_len); + request.data.chng_pswd_auth_crap.old_lm_hash_enc_len = + params->old_password.response.old_lm_hash_enc_length; + } + + break; + default: + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + break; + } + + if (cmd == 0) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + /* Send request */ + + wbc_status = wbcRequestResponse(cmd, + &request, + &response); + if (WBC_ERROR_IS_OK(wbc_status)) { + goto done; + } + + /* Take the response above and return it to the caller */ + + if (response.data.auth.nt_status != 0) { + if (error) { + wbc_status = wbc_create_error_info(NULL, + &response, + error); + BAIL_ON_WBC_ERROR(wbc_status); + } + + } + + if (policy) { + wbc_status = wbc_create_password_policy_info(NULL, + &response, + policy); + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (reject_reason) { + *reject_reason = response.data.auth.reject_reason; + } + + wbc_status = WBC_ERR_PWD_CHANGE_FAILED; + BAIL_ON_WBC_ERROR(wbc_status); + + done: + return wbc_status; +} + +/* Change a password for a user */ +wbcErr wbcChangeUserPassword(const char *username, + const char *old_password, + const char *new_password) +{ + wbcErr wbc_status = WBC_ERR_SUCCESS; + struct wbcChangePasswordParams params; + + ZERO_STRUCT(params); + + params.account_name = username; + params.level = WBC_CHANGE_PASSWORD_LEVEL_PLAIN; + params.old_password.plaintext = old_password; + params.new_password.plaintext = new_password; + + wbc_status = wbcChangeUserPasswordEx(¶ms, + NULL, + NULL, + NULL); + BAIL_ON_WBC_ERROR(wbc_status); + +done: + return wbc_status; +} + +/* Logon a User */ +wbcErr wbcLogonUser(const struct wbcLogonUserParams *params, + struct wbcLogonUserInfo **info, + struct wbcAuthErrorInfo **error, + struct wbcUserPasswordPolicyInfo **policy) +{ + wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; + int cmd = 0; + struct winbindd_request request; + struct winbindd_response response; + uint32_t i; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + if (info) { + *info = NULL; + } + if (error) { + *error = NULL; + } + if (policy) { + *policy = NULL; + } + + if (!params) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (!params->username) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + if ((params->num_blobs > 0) && (params->blobs == NULL)) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + if ((params->num_blobs == 0) && (params->blobs != NULL)) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + /* Initialize request */ + + cmd = WINBINDD_PAM_AUTH; + request.flags = WBFLAG_PAM_INFO3_TEXT | + WBFLAG_PAM_USER_SESSION_KEY | + WBFLAG_PAM_LMKEY; + + if (!params->password) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + strncpy(request.data.auth.user, + params->username, + sizeof(request.data.auth.user)-1); + + strncpy(request.data.auth.pass, + params->password, + sizeof(request.data.auth.pass)-1); + + for (i=0; i<params->num_blobs; i++) { + + if (strcasecmp(params->blobs[i].name, "krb5_cc_type") == 0) { + if (params->blobs[i].blob.data) { + strncpy(request.data.auth.krb5_cc_type, + (const char *)params->blobs[i].blob.data, + sizeof(request.data.auth.krb5_cc_type) - 1); + } + continue; + } + + if (strcasecmp(params->blobs[i].name, "user_uid") == 0) { + if (params->blobs[i].blob.data) { + memcpy(&request.data.auth.uid, + params->blobs[i].blob.data, + MIN(sizeof(request.data.auth.uid), + params->blobs[i].blob.length)); + } + continue; + } + + if (strcasecmp(params->blobs[i].name, "flags") == 0) { + if (params->blobs[i].blob.data) { + uint32_t flags; + memcpy(&flags, + params->blobs[i].blob.data, + MIN(sizeof(flags), + params->blobs[i].blob.length)); + request.flags |= flags; + } + continue; + } + + if (strcasecmp(params->blobs[i].name, "membership_of") == 0) { + if (params->blobs[i].blob.data && + params->blobs[i].blob.data[0] > 0) { + strncpy(request.data.auth.require_membership_of_sid, + (const char *)params->blobs[i].blob.data, + sizeof(request.data.auth.require_membership_of_sid) - 1); + } + continue; + } + } + + wbc_status = wbcRequestResponse(cmd, + &request, + &response); + + if (response.data.auth.nt_status != 0) { + if (error) { + wbc_status = wbc_create_error_info(NULL, + &response, + error); + BAIL_ON_WBC_ERROR(wbc_status); + } + + wbc_status = WBC_ERR_AUTH_ERROR; + BAIL_ON_WBC_ERROR(wbc_status); + } + BAIL_ON_WBC_ERROR(wbc_status); + + if (info) { + wbc_status = wbc_create_logon_info(NULL, + &response, + info); + BAIL_ON_WBC_ERROR(wbc_status); + } + + if (policy) { + wbc_status = wbc_create_password_policy_info(NULL, + &response, + policy); + BAIL_ON_WBC_ERROR(wbc_status); + } + +done: + if (response.extra_data.data) + free(response.extra_data.data); + + return wbc_status; +} + +/* Authenticate a user with cached credentials */ +wbcErr wbcCredentialCache(struct wbcCredentialCacheParams *params, + struct wbcCredentialCacheInfo **info, + struct wbcAuthErrorInfo **error) +{ + return WBC_ERR_NOT_IMPLEMENTED; +} |