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authorGünther Deschner <gd@samba.org>2008-02-28 19:44:34 +0100
committerGünther Deschner <gd@samba.org>2008-02-28 19:49:07 +0100
commit2306574570332855670f1c53f3c9376b5114b91a (patch)
tree4b0652d72ff36398e2526cf2aab802ccaf40539e
parent8f58ae97f0c46dc66f680d7b6ed93ee2aa6bc629 (diff)
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libnetjoin: Merge in comments, debugs and missing code from original join code.
Guenther (This used to be commit 09e6010159cb9c2a5d86861889b8c2a07bd39a8d)
-rw-r--r--source3/libnet/libnet_join.c120
1 files changed, 117 insertions, 3 deletions
diff --git a/source3/libnet/libnet_join.c b/source3/libnet/libnet_join.c
index 97fad95a68..38d98221b4 100644
--- a/source3/libnet/libnet_join.c
+++ b/source3/libnet/libnet_join.c
@@ -196,6 +196,7 @@ static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
}
/****************************************************************
+ join a domain using ADS (LDAP mods)
****************************************************************/
static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
@@ -204,6 +205,7 @@ static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
ADS_STATUS status;
LDAPMessage *res = NULL;
const char *attrs[] = { "dn", NULL };
+ bool moved = false;
status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
if (!ADS_ERR_OK(status)) {
@@ -215,16 +217,41 @@ static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
}
+ ads_msgfree(r->in.ads, res);
+
+ /* Attempt to create the machine account and bail if this fails.
+ Assume that the admin wants exactly what they requested */
+
status = ads_create_machine_acct(r->in.ads,
r->in.machine_name,
r->in.account_ou);
- ads_msgfree(r->in.ads, res);
- if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
- (status.err.rc == LDAP_ALREADY_EXISTS)) {
+ if (ADS_ERR_OK(status)) {
+ DEBUG(1,("machine account creation created\n"));
+ return status;
+ } else if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
+ (status.err.rc == LDAP_ALREADY_EXISTS)) {
status = ADS_SUCCESS;
}
+ if (!ADS_ERR_OK(status)) {
+ DEBUG(1,("machine account creation failed\n"));
+ return status;
+ }
+
+ status = ads_move_machine_acct(r->in.ads,
+ r->in.machine_name,
+ r->in.account_ou,
+ &moved);
+ if (!ADS_ERR_OK(status)) {
+ DEBUG(1,("failure to locate/move pre-existing "
+ "machine account\n"));
+ return status;
+ }
+
+ DEBUG(1,("The machine account %s the specified OU.\n",
+ moved ? "was moved into" : "already exists in"));
+
return status;
}
@@ -300,6 +327,7 @@ static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
}
/****************************************************************
+ Set a machines dNSHostName and servicePrincipalName attributes
****************************************************************/
static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
@@ -311,11 +339,15 @@ static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
const char *spn_array[3] = {NULL, NULL, NULL};
char *spn = NULL;
+ /* Find our DN */
+
status = libnet_join_find_machine_acct(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
return status;
}
+ /* Windows only creates HOST/shortname & HOST/fqdn. */
+
spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
if (!spn) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
@@ -339,6 +371,8 @@ static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
}
+ /* fields of primary importance */
+
status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
if (!ADS_ERR_OK(status)) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
@@ -366,6 +400,8 @@ static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
return ADS_SUCCESS;
}
+ /* Find our DN */
+
status = libnet_join_find_machine_acct(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
return status;
@@ -381,11 +417,15 @@ static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
}
}
+ /* now do the mods */
+
mods = ads_init_mods(mem_ctx);
if (!mods) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
}
+ /* fields of primary importance */
+
status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
if (!ADS_ERR_OK(status)) {
return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
@@ -409,11 +449,15 @@ static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
return ADS_SUCCESS;
}
+ /* Find our DN */
+
status = libnet_join_find_machine_acct(mem_ctx, r);
if (!ADS_ERR_OK(status)) {
return status;
}
+ /* now do the mods */
+
mods = ads_init_mods(mem_ctx);
if (!mods) {
return ADS_ERROR(LDAP_NO_MEMORY);
@@ -424,6 +468,8 @@ static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
return ADS_ERROR(LDAP_NO_MEMORY);
}
+ /* fields of primary importance */
+
status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
r->in.os_name);
if (!ADS_ERR_OK(status)) {
@@ -481,6 +527,8 @@ static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
return false;
}
+ /* go ahead and setup the default salt */
+
std_salt = kerberos_standard_des_salt();
if (!std_salt) {
libnet_join_set_error_string(mem_ctx, r,
@@ -495,6 +543,8 @@ static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
SAFE_FREE(std_salt);
+ /* if it's a Windows functional domain, we have to look for the UPN */
+
if (domain_func == DS_DOMAIN_FUNCTION_2000) {
char *upn;
@@ -565,6 +615,7 @@ static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
#endif /* WITH_ADS */
/****************************************************************
+ Store the machine password and domain SID
****************************************************************/
static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
@@ -573,6 +624,7 @@ static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
if (!secrets_store_domain_sid(r->out.netbios_domain_name,
r->out.domain_sid))
{
+ DEBUG(1,("Failed to save domain sid\n"));
return false;
}
@@ -580,6 +632,7 @@ static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
r->out.netbios_domain_name,
SEC_CHAN_WKSTA))
{
+ DEBUG(1,("Failed to save machine password\n"));
return false;
}
@@ -587,6 +640,7 @@ static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
}
/****************************************************************
+ Do the domain join
****************************************************************/
static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
@@ -631,6 +685,8 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
if (!pipe_hnd) {
+ DEBUG(0,("Error connecting to LSA pipe. Error was %s\n",
+ nt_errstr(status)));
goto done;
}
@@ -667,8 +723,12 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
cli_rpc_pipe_close(pipe_hnd);
+ /* Open the domain */
+
pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
if (!pipe_hnd) {
+ DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
+ nt_errstr(status)));
goto done;
}
@@ -689,6 +749,8 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
goto done;
}
+ /* Create domain user */
+
acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
strlower_m(acct_name);
@@ -703,6 +765,10 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
SAMR_USER_ACCESS_SET_ATTRIBUTES;
uint32_t access_granted = 0;
+ /* Don't try to set any acb_info flags other than ACB_WSTRUST */
+
+ DEBUG(10,("Creating account with flags: %d\n", acct_flags));
+
status = rpccli_samr_CreateUser2(pipe_hnd, mem_ctx,
&domain_pol,
&lsa_acct_name,
@@ -711,6 +777,25 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
&user_pol,
&access_granted,
&user_rid);
+ if (!NT_STATUS_IS_OK(status) &&
+ !NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
+
+ DEBUG(10,("Creation of workstation account failed: %s\n",
+ nt_errstr(status)));
+
+ /* If NT_STATUS_ACCESS_DENIED then we have a valid
+ username/password combo but the user does not have
+ administrator access. */
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "User specified does not have "
+ "administrator privileges");
+ }
+
+ return status;
+ }
+
if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
if (!(r->in.join_flags &
WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
@@ -718,6 +803,8 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
}
}
+ /* We *must* do this.... don't ask... */
+
if (NT_STATUS_IS_OK(status)) {
rpccli_samr_Close(pipe_hnd, mem_ctx, &user_pol);
}
@@ -734,12 +821,16 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
}
if (name_types.ids[0] != SID_NAME_USER) {
+ DEBUG(0,("%s is not a user account (type=%d)\n",
+ acct_name, name_types.ids[0]));
status = NT_STATUS_INVALID_WORKSTATION;
goto done;
}
user_rid = user_rids.ids[0];
+ /* Open handle on user */
+
status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
&domain_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED,
@@ -749,6 +840,8 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
goto done;
}
+ /* Create a random machine account password and generate the hash */
+
E_md4hash(r->in.machine_password, md4_trust_password);
encode_pw_buffer(pwbuf, r->in.machine_password, STR_UNICODE);
@@ -764,6 +857,8 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
SamOEMhashBlob(pwbuf, sizeof(pwbuf), &digested_session_key);
memcpy(&pwbuf[516], md5buffer, sizeof(md5buffer));
+ /* Fill in the additional account flags now */
+
acb_info |= ACB_PWNOEXP;
if (r->out.domain_is_ad) {
#if !defined(ENCTYPE_ARCFOUR_HMAC)
@@ -772,6 +867,8 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
;;
}
+ /* Set password and account flags on machine account */
+
ZERO_STRUCT(user_info.info25);
user_info.info25.info.fields_present = ACCT_NT_PWD_SET |
@@ -785,6 +882,9 @@ static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
25,
&user_info);
if (!NT_STATUS_IS_OK(status)) {
+ libnet_join_set_error_string(mem_ctx, r,
+ "Failed to set password for machine account (%s)\n",
+ nt_errstr(status));
goto done;
}
@@ -973,8 +1073,12 @@ static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
goto done;
}
+ /* Open the domain */
+
pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
if (!pipe_hnd) {
+ DEBUG(0,("Error connecting to SAM pipe. Error was %s\n",
+ nt_errstr(status)));
goto done;
}
@@ -995,6 +1099,8 @@ static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
goto done;
}
+ /* Create domain user */
+
acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
strlower_m(acct_name);
@@ -1012,12 +1118,16 @@ static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
}
if (name_types.ids[0] != SID_NAME_USER) {
+ DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name,
+ name_types.ids[0]));
status = NT_STATUS_INVALID_WORKSTATION;
goto done;
}
user_rid = user_rids.ids[0];
+ /* Open handle on user */
+
status = rpccli_samr_OpenUser(pipe_hnd, mem_ctx,
&domain_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED,
@@ -1027,6 +1137,8 @@ static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
goto done;
}
+ /* Get user info */
+
status = rpccli_samr_QueryUserInfo(pipe_hnd, mem_ctx,
&user_pol,
16,
@@ -1036,6 +1148,8 @@ static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
goto done;
}
+ /* now disable and setuser info */
+
info->info16.acct_flags |= ACB_DISABLED;
status = rpccli_samr_SetUserInfo(pipe_hnd, mem_ctx,