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Diffstat (limited to 'source3/passdb/passdb.c')
-rw-r--r--source3/passdb/passdb.c326
1 files changed, 179 insertions, 147 deletions
diff --git a/source3/passdb/passdb.c b/source3/passdb/passdb.c
index 6aab5e377c..51190e0bc2 100644
--- a/source3/passdb/passdb.c
+++ b/source3/passdb/passdb.c
@@ -627,7 +627,14 @@ bool lookup_global_sam_name(const char *name, int flags, uint32_t *rid,
}
/*************************************************************
- Change a password entry in the local smbpasswd file.
+ Change a password entry in the local passdb backend.
+
+ Assumptions:
+ - always called as root
+ - ignores the account type except when adding a new account
+ - will create/delete the unix account if the relative
+ add/delete user script is configured
+
*************************************************************/
NTSTATUS local_password_change(const char *user_name,
@@ -636,133 +643,135 @@ NTSTATUS local_password_change(const char *user_name,
char **pp_err_str,
char **pp_msg_str)
{
- struct samu *sam_pass=NULL;
- uint32 other_acb;
+ TALLOC_CTX *tosctx;
+ struct samu *sam_pass;
+ uint32_t acb;
+ uint32_t rid;
NTSTATUS result;
+ bool user_exists;
+ int ret = -1;
*pp_err_str = NULL;
*pp_msg_str = NULL;
- /* Get the smb passwd entry for this user */
-
- if ( !(sam_pass = samu_new( NULL )) ) {
+ tosctx = talloc_tos();
+ if (!tosctx) {
return NT_STATUS_NO_MEMORY;
}
- become_root();
- if(!pdb_getsampwnam(sam_pass, user_name)) {
- unbecome_root();
- TALLOC_FREE(sam_pass);
-
- if ((local_flags & LOCAL_ADD_USER) || (local_flags & LOCAL_DELETE_USER)) {
- int tmp_debug = DEBUGLEVEL;
- struct passwd *pwd;
-
- /* Might not exist in /etc/passwd. */
-
- if (tmp_debug < 1) {
- DEBUGLEVEL = 1;
- }
+ sam_pass = samu_new(tosctx);
+ if (!sam_pass) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
- if ( !(pwd = getpwnam_alloc(talloc_autofree_context(), user_name)) ) {
- return NT_STATUS_NO_SUCH_USER;
+ /* Get the smb passwd entry for this user */
+ user_exists = pdb_getsampwnam(sam_pass, user_name);
+
+ /* Check delete first, we don't need to do anything else if we
+ * are going to delete the acocunt */
+ if (user_exists && (local_flags & LOCAL_DELETE_USER)) {
+
+ result = pdb_delete_user(tosctx, sam_pass);
+ if (!NT_STATUS_IS_OK(result)) {
+ ret = asprintf(pp_err_str,
+ "Failed to delete entry for user %s.\n",
+ user_name);
+ if (ret < 0) {
+ *pp_err_str = NULL;
}
-
- /* create the struct samu and initialize the basic Unix properties */
-
- if ( !(sam_pass = samu_new( NULL )) ) {
- return NT_STATUS_NO_MEMORY;
+ result = NT_STATUS_UNSUCCESSFUL;
+ } else {
+ ret = asprintf(pp_msg_str,
+ "Deleted user %s.\n",
+ user_name);
+ if (ret < 0) {
+ *pp_msg_str = NULL;
}
+ }
+ goto done;
+ }
- result = samu_set_unix( sam_pass, pwd );
-
- DEBUGLEVEL = tmp_debug;
+ if (user_exists && (local_flags & LOCAL_ADD_USER)) {
+ /* the entry already existed */
+ local_flags &= ~LOCAL_ADD_USER;
+ }
- TALLOC_FREE( pwd );
+ if (!user_exists && !(local_flags & LOCAL_ADD_USER)) {
+ ret = asprintf(pp_err_str,
+ "Failed to find entry for user %s.\n",
+ user_name);
+ if (ret < 0) {
+ *pp_err_str = NULL;
+ }
+ result = NT_STATUS_NO_SUCH_USER;
+ goto done;
+ }
- if (NT_STATUS_EQUAL(result, NT_STATUS_INVALID_PRIMARY_GROUP)) {
- return result;
- }
+ /* First thing add the new user if we are required to do so */
+ if (local_flags & LOCAL_ADD_USER) {
- if (!NT_STATUS_IS_OK(result)) {
- if (asprintf(pp_err_str, "Failed to " "initialize account for user %s: %s\n",
- user_name, nt_errstr(result)) < 0) {
- *pp_err_str = NULL;
- }
- return result;
- }
+ if (local_flags & LOCAL_TRUST_ACCOUNT) {
+ acb = ACB_WSTRUST;
+ } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
+ acb = ACB_DOMTRUST;
} else {
- if (asprintf(pp_err_str, "Failed to find entry for user %s.\n", user_name) < 0) {
- *pp_err_str = NULL;
- }
- return NT_STATUS_NO_SUCH_USER;
+ acb = ACB_NORMAL;
}
- } else {
- unbecome_root();
- /* the entry already existed */
- local_flags &= ~LOCAL_ADD_USER;
- }
- /* the 'other' acb bits not being changed here */
- other_acb = (pdb_get_acct_ctrl(sam_pass) & (~(ACB_WSTRUST|ACB_DOMTRUST|ACB_SVRTRUST|ACB_NORMAL)));
- if (local_flags & LOCAL_TRUST_ACCOUNT) {
- if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST | other_acb, PDB_CHANGED) ) {
- if (asprintf(pp_err_str, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name) < 0) {
+ result = pdb_create_user(tosctx, user_name, acb, &rid);
+ if (!NT_STATUS_IS_OK(result)) {
+ ret = asprintf(pp_err_str,
+ "Failed to add entry for user %s.\n",
+ user_name);
+ if (ret < 0) {
*pp_err_str = NULL;
}
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
}
- } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
- if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST | other_acb, PDB_CHANGED)) {
- if (asprintf(pp_err_str, "Failed to set 'domain trust account' flags for user %s.\n", user_name) < 0) {
- *pp_err_str = NULL;
- }
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
+
+ sam_pass = samu_new(tosctx);
+ if (!sam_pass) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
}
- } else {
- if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL | other_acb, PDB_CHANGED)) {
- if (asprintf(pp_err_str, "Failed to set 'normal account' flags for user %s.\n", user_name) < 0) {
+
+ /* Now get back the smb passwd entry for this new user */
+ user_exists = pdb_getsampwnam(sam_pass, user_name);
+ if (!user_exists) {
+ ret = asprintf(pp_err_str,
+ "Failed to add entry for user %s.\n",
+ user_name);
+ if (ret < 0) {
*pp_err_str = NULL;
}
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
}
}
+ acb = pdb_get_acct_ctrl(sam_pass);
+
/*
* We are root - just write the new password
* and the valid last change time.
*/
-
- if (local_flags & LOCAL_DISABLE_USER) {
- if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_DISABLED, PDB_CHANGED)) {
- if (asprintf(pp_err_str, "Failed to set 'disabled' flag for user %s.\n", user_name) < 0) {
- *pp_err_str = NULL;
- }
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
- }
- } else if (local_flags & LOCAL_ENABLE_USER) {
- if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
- if (asprintf(pp_err_str, "Failed to unset 'disabled' flag for user %s.\n", user_name) < 0) {
+ if ((local_flags & LOCAL_SET_NO_PASSWORD) && !(acb & ACB_PWNOTREQ)) {
+ acb |= ACB_PWNOTREQ;
+ if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
+ ret = asprintf(pp_err_str,
+ "Failed to set 'no password required' "
+ "flag for user %s.\n", user_name);
+ if (ret < 0) {
*pp_err_str = NULL;
}
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
}
}
- if (local_flags & LOCAL_SET_NO_PASSWORD) {
- if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_PWNOTREQ, PDB_CHANGED)) {
- if (asprintf(pp_err_str, "Failed to set 'no password required' flag for user %s.\n", user_name) < 0) {
- *pp_err_str = NULL;
- }
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
- }
- } else if (local_flags & LOCAL_SET_PASSWORD) {
+ if (local_flags & LOCAL_SET_PASSWORD) {
/*
* If we're dealing with setting a completely empty user account
* ie. One with a password of 'XXXX', but not set disabled (like
@@ -772,83 +781,106 @@ NTSTATUS local_password_change(const char *user_name,
* and the decision hasn't really been made to disable them (ie.
* don't create them disabled). JRA.
*/
- if ((pdb_get_lanman_passwd(sam_pass)==NULL) && (pdb_get_acct_ctrl(sam_pass)&ACB_DISABLED)) {
- if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
- if (asprintf(pp_err_str, "Failed to unset 'disabled' flag for user %s.\n", user_name) < 0) {
+ if ((pdb_get_lanman_passwd(sam_pass) == NULL) &&
+ (acb & ACB_DISABLED)) {
+ acb &= (~ACB_DISABLED);
+ if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
+ ret = asprintf(pp_err_str,
+ "Failed to unset 'disabled' "
+ "flag for user %s.\n",
+ user_name);
+ if (ret < 0) {
*pp_err_str = NULL;
}
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
- }
- }
- if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ), PDB_CHANGED)) {
- if (asprintf(pp_err_str, "Failed to unset 'no password required' flag for user %s.\n", user_name) < 0) {
- *pp_err_str = NULL;
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
}
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
}
- if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
- if (asprintf(pp_err_str, "Failed to set password for user %s.\n", user_name) < 0) {
+ acb &= (~ACB_PWNOTREQ);
+ if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
+ ret = asprintf(pp_err_str,
+ "Failed to unset 'no password required'"
+ " flag for user %s.\n", user_name);
+ if (ret < 0) {
*pp_err_str = NULL;
}
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
}
- }
- if (local_flags & LOCAL_ADD_USER) {
- if (NT_STATUS_IS_OK(pdb_add_sam_account(sam_pass))) {
- if (asprintf(pp_msg_str, "Added user %s.\n", user_name) < 0) {
- *pp_msg_str = NULL;
- }
- TALLOC_FREE(sam_pass);
- return NT_STATUS_OK;
- } else {
- if (asprintf(pp_err_str, "Failed to add entry for user %s.\n", user_name) < 0) {
+ if (!pdb_set_plaintext_passwd(sam_pass, new_passwd)) {
+ ret = asprintf(pp_err_str,
+ "Failed to set password for "
+ "user %s.\n", user_name);
+ if (ret < 0) {
*pp_err_str = NULL;
}
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
}
- } else if (local_flags & LOCAL_DELETE_USER) {
- if (!NT_STATUS_IS_OK(pdb_delete_sam_account(sam_pass))) {
- if (asprintf(pp_err_str, "Failed to delete entry for user %s.\n", user_name) < 0) {
+ }
+
+ if ((local_flags & LOCAL_DISABLE_USER) && !(acb & ACB_DISABLED)) {
+ acb |= ACB_DISABLED;
+ if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
+ ret = asprintf(pp_err_str,
+ "Failed to set 'disabled' flag for "
+ "user %s.\n", user_name);
+ if (ret < 0) {
*pp_err_str = NULL;
}
- TALLOC_FREE(sam_pass);
- return NT_STATUS_UNSUCCESSFUL;
- }
- if (asprintf(pp_msg_str, "Deleted user %s.\n", user_name) < 0) {
- *pp_msg_str = NULL;
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
}
- } else {
- result = pdb_update_sam_account(sam_pass);
- if(!NT_STATUS_IS_OK(result)) {
- if (asprintf(pp_err_str, "Failed to modify entry for user %s.\n", user_name) < 0) {
+ }
+
+ if ((local_flags & LOCAL_ENABLE_USER) && (acb & ACB_DISABLED)) {
+ acb &= (~ACB_DISABLED);
+ if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
+ ret = asprintf(pp_err_str,
+ "Failed to unset 'disabled' flag for "
+ "user %s.\n", user_name);
+ if (ret < 0) {
*pp_err_str = NULL;
}
- TALLOC_FREE(sam_pass);
- return result;
+ result = NT_STATUS_UNSUCCESSFUL;
+ goto done;
}
- if(local_flags & LOCAL_DISABLE_USER) {
- if (asprintf(pp_msg_str, "Disabled user %s.\n", user_name) < 0) {
- *pp_msg_str = NULL;
- }
- } else if (local_flags & LOCAL_ENABLE_USER) {
- if (asprintf(pp_msg_str, "Enabled user %s.\n", user_name) < 0) {
- *pp_msg_str = NULL;
- }
- } else if (local_flags & LOCAL_SET_NO_PASSWORD) {
- if (asprintf(pp_msg_str, "User %s password set to none.\n", user_name) < 0) {
- *pp_msg_str = NULL;
- }
+ }
+
+ /* now commit changes if any */
+ result = pdb_update_sam_account(sam_pass);
+ if (!NT_STATUS_IS_OK(result)) {
+ ret = asprintf(pp_err_str,
+ "Failed to modify entry for user %s.\n",
+ user_name);
+ if (ret < 0) {
+ *pp_err_str = NULL;
}
+ goto done;
+ }
+
+ if (local_flags & LOCAL_ADD_USER) {
+ ret = asprintf(pp_msg_str, "Added user %s.\n", user_name);
+ } else if (local_flags & LOCAL_DISABLE_USER) {
+ ret = asprintf(pp_msg_str, "Disabled user %s.\n", user_name);
+ } else if (local_flags & LOCAL_ENABLE_USER) {
+ ret = asprintf(pp_msg_str, "Enabled user %s.\n", user_name);
+ } else if (local_flags & LOCAL_SET_NO_PASSWORD) {
+ ret = asprintf(pp_msg_str,
+ "User %s password set to none.\n", user_name);
}
+ if (ret < 0) {
+ *pp_msg_str = NULL;
+ }
+
+ result = NT_STATUS_OK;
+
+done:
TALLOC_FREE(sam_pass);
- return NT_STATUS_OK;
+ return result;
}
/**********************************************************************