[SCM] Samba Shared Repository - branch master updated - release-4-0-0alpha7-1922-g9fc13f6

simo idra at samba.org
Sat May 30 15:30:00 GMT 2009


Karolin,
you may want to consider this for 3.4, it depend on the patches in #6333
already pushed to master by Guenther.

Simo.

On Sat, 2009-05-30 at 10:23 -0500, Simo Sorce wrote:
> The branch, master has been updated
>        via  9fc13f6a2d02c22f639a1a819e09ebb648faaff7 (commit)
>       from  29ae49240c1f358053133e8e52a961c5dca78f6f (commit)
> 
> http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master
> 
> 
> - Log -----------------------------------------------------------------
> commit 9fc13f6a2d02c22f639a1a819e09ebb648faaff7
> Author: Simo Sorce <idra at samba.org>
> Date:   Sat May 30 10:16:31 2009 -0400
> 
>     Make it possible to change machine account sids
>     
>     Fixes bug #6081
> 
> -----------------------------------------------------------------------
> 
> Summary of changes:
>  source3/utils/pdbedit.c |  211 ++++++++++++++++++++++++++++++++++++++---------
>  1 files changed, 171 insertions(+), 40 deletions(-)
> 
> 
> Changeset truncated at 500 lines:
> 
> diff --git a/source3/utils/pdbedit.c b/source3/utils/pdbedit.c
> index d288df9..23c4e71 100644
> --- a/source3/utils/pdbedit.c
> +++ b/source3/utils/pdbedit.c
> @@ -53,6 +53,25 @@
>  #define MASK_ALWAYS_GOOD	0x0000001F
>  #define MASK_USER_GOOD		0x00405FE0
>  
> +static int get_sid_from_cli_string(DOM_SID *sid, const char *str_sid)
> +{
> +	uint32_t rid;
> +
> +	if (!string_to_sid(sid, str_sid)) {
> +		/* not a complete sid, may be a RID,
> +		 * try building a SID */
> +
> +		if (sscanf(str_sid, "%u", &rid) != 1) {
> +			fprintf(stderr, "Error passed string is not "
> +					"a complete SID or RID!\n");
> +			return -1;
> +		}
> +		sid_copy(sid, get_global_sam_sid());
> +		sid_append_rid(sid, rid);
> +	}
> +
> +	return 0;
> +}
>  
>  /*********************************************************
>   Add all currently available users to another db
> @@ -484,7 +503,6 @@ static int set_user_info(const char *username, const char *fullname,
>  	uint32_t not_settable;
>  	uint32_t new_flags;
>  	DOM_SID u_sid;
> -	int u_rid;
>  	bool ret;
>  
>  	sam_pwent = samu_new(NULL);
> @@ -548,16 +566,9 @@ static int set_user_info(const char *username, const char *fullname,
>  				  PDB_CHANGED);
>  	}
>  	if (user_sid) {
> -		if (!string_to_sid(&u_sid, user_sid)) {
> -			/* not a complete sid, may be a RID,
> -			 * try building a SID */
> -
> -			if (sscanf(user_sid, "%d", &u_rid) != 1) {
> -				fprintf(stderr, "Error passed string is not a complete user SID or RID!\n");
> -				return -1;
> -			}
> -			sid_copy(&u_sid, get_global_sam_sid());
> -			sid_append_rid(&u_sid, u_rid);
> +		if (get_sid_from_cli_string(&u_sid, user_sid)) {
> +			fprintf(stderr, "Failed to parse SID\n");
> +			return -1;
>  		}
>  		pdb_set_user_sid(sam_pwent, &u_sid, PDB_CHANGED);
>  	}
> @@ -578,6 +589,93 @@ static int set_user_info(const char *username, const char *fullname,
>  	return 0;
>  }
>  
> +static int set_machine_info(const char *machinename,
> +			    const char *account_control,
> +			    const char *machine_sid)
> +{
> +	struct samu *sam_pwent = NULL;
> +	TALLOC_CTX *tosctx;
> +	uint32_t acb_flags;
> +	uint32_t not_settable;
> +	uint32_t new_flags;
> +	DOM_SID m_sid;
> +	char *name;
> +	int len;
> +	bool ret;
> +
> +	len = strlen(machinename);
> +	if (len == 0) {
> +		fprintf(stderr, "No machine name given\n");
> +		return -1;
> +	}
> +
> +	tosctx = talloc_tos();
> +	if (!tosctx) {
> +		fprintf(stderr, "Out of memory!\n");
> +		return -1;
> +	}
> +
> +	sam_pwent = samu_new(tosctx);
> +	if (!sam_pwent) {
> +		return 1;
> +	}
> +
> +	if (machinename[len-1] == '$') {
> +		name = talloc_strdup(sam_pwent, machinename);
> +	} else {
> +		name = talloc_asprintf(sam_pwent, "%s$", machinename);
> +	}
> +	if (!name) {
> +		fprintf(stderr, "Out of memory!\n");
> +		TALLOC_FREE(sam_pwent);
> +		return -1;
> +	}
> +
> +	strlower_m(name);
> +
> +	ret = pdb_getsampwnam(sam_pwent, name);
> +	if (!ret) {
> +		fprintf (stderr, "Username not found!\n");
> +		TALLOC_FREE(sam_pwent);
> +		return -1;
> +	}
> +
> +	if (account_control) {
> +		not_settable = ~(ACB_DISABLED);
> +
> +		new_flags = pdb_decode_acct_ctrl(account_control);
> +
> +		if (new_flags & not_settable) {
> +			fprintf(stderr, "Can only set [D] flags\n");
> +			TALLOC_FREE(sam_pwent);
> +			return -1;
> +		}
> +
> +		acb_flags = pdb_get_acct_ctrl(sam_pwent);
> +
> +		pdb_set_acct_ctrl(sam_pwent,
> +				  (acb_flags & not_settable) | new_flags,
> +				  PDB_CHANGED);
> +	}
> +	if (machine_sid) {
> +		if (get_sid_from_cli_string(&m_sid, machine_sid)) {
> +			fprintf(stderr, "Failed to parse SID\n");
> +			return -1;
> +		}
> +		pdb_set_user_sid(sam_pwent, &m_sid, PDB_CHANGED);
> +	}
> +
> +	if (NT_STATUS_IS_OK(pdb_update_sam_account(sam_pwent))) {
> +		print_user_info(name, True, False);
> +	} else {
> +		fprintf (stderr, "Unable to modify entry!\n");
> +		TALLOC_FREE(sam_pwent);
> +		return -1;
> +	}
> +	TALLOC_FREE(sam_pwent);
> +	return 0;
> +}
> +
>  /*********************************************************
>   Add New User
>  **********************************************************/
> @@ -588,11 +686,10 @@ static int new_user(const char *username, const char *fullname,
>  {
>  	char *pwd1 = NULL, *pwd2 = NULL;
>  	char *err = NULL, *msg = NULL;
> -	struct samu *sam_pwent;
> +	struct samu *sam_pwent = NULL;
>  	TALLOC_CTX *tosctx;
>  	NTSTATUS status;
>  	DOM_SID u_sid;
> -	int u_rid;
>  	int flags;
>  	int ret;
>  
> @@ -602,19 +699,10 @@ static int new_user(const char *username, const char *fullname,
>  		return -1;
>  	}
>  
> -
>  	if (user_sid) {
> -		if (!string_to_sid(&u_sid, user_sid)) {
> -			/* not a complete sid, may be a RID,
> -			 * try building a SID */
> -
> -			if (sscanf(user_sid, "%d", &u_rid) != 1) {
> -				fprintf(stderr, "Error passed string is not a complete user SID or RID!\n");
> -				ret = -1;
> -				goto done;
> -			}
> -			sid_copy(&u_sid, get_global_sam_sid());
> -			sid_append_rid(&u_sid, u_rid);
> +		if (get_sid_from_cli_string(&u_sid, user_sid)) {
> +			fprintf(stderr, "Failed to parse SID\n");
> +			return -1;
>  		}
>  	}
>  
> @@ -680,7 +768,7 @@ done:
>  	SAFE_FREE(pwd2);
>  	SAFE_FREE(err);
>  	SAFE_FREE(msg);
> -	TALLOC_FREE(tosctx);
> +	TALLOC_FREE(sam_pwent);
>  	return ret;
>  }
>  
> @@ -688,11 +776,13 @@ done:
>   Add New Machine
>  **********************************************************/
>  
> -static int new_machine(const char *machinename)
> +static int new_machine(const char *machinename, char *machine_sid)
>  {
>  	char *err = NULL, *msg = NULL;
> +	struct samu *sam_pwent = NULL;
>  	TALLOC_CTX *tosctx;
>  	NTSTATUS status;
> +	DOM_SID m_sid;
>  	char *compatpwd;
>  	char *name;
>  	int flags;
> @@ -711,6 +801,13 @@ static int new_machine(const char *machinename)
>  		return -1;
>  	}
>  
> +	if (machine_sid) {
> +		if (get_sid_from_cli_string(&m_sid, machine_sid)) {
> +			fprintf(stderr, "Failed to parse SID\n");
> +			return -1;
> +		}
> +	}
> +
>  	compatpwd = talloc_strdup(tosctx, machinename);
>  	if (!compatpwd) {
>  		fprintf(stderr, "Out of memory!\n");
> @@ -734,17 +831,42 @@ static int new_machine(const char *machinename)
>  
>  	status = local_password_change(name, flags, compatpwd, &err, &msg);
>  
> -	if (NT_STATUS_IS_OK(status)) {
> -		print_user_info(name, True, False);
> -		ret = 0;
> -	} else {
> +	if (!NT_STATUS_IS_OK(status)) {
>  		if (err) fprintf(stderr, "%s", err);
>  		ret = -1;
>  	}
>  
> -	TALLOC_FREE(tosctx);
> +	sam_pwent = samu_new(tosctx);
> +	if (!sam_pwent) {
> +		fprintf(stderr, "Out of memory!\n");
> +		ret = -1;
> +		goto done;
> +	}
> +
> +	if (!pdb_getsampwnam(sam_pwent, name)) {
> +		fprintf(stderr, "Machine %s not found!\n", name);
> +		ret = -1;
> +		goto done;
> +	}
> +
> +	if (machine_sid)
> +		pdb_set_user_sid(sam_pwent, &m_sid, PDB_CHANGED);
> +
> +	status = pdb_update_sam_account(sam_pwent);
> +	if (!NT_STATUS_IS_OK(status)) {
> +		fprintf(stderr,
> +			"Failed to modify entry for %s.!\n", name);
> +		ret = -1;
> +		goto done;
> +	}
> +
> +	print_user_info(name, True, False);
> +	ret = 0;
> +
> +done:
>  	SAFE_FREE(err);
>  	SAFE_FREE(msg);
> +	TALLOC_FREE(sam_pwent);
>  	return ret;
>  }
>  
> @@ -855,6 +977,7 @@ int main (int argc, char **argv)
>  	static char *account_control = NULL;
>  	static char *account_policy = NULL;
>  	static char *user_sid = NULL;
> +	static char *machine_sid = NULL;
>  	static long int account_policy_value = 0;
>  	bool account_policy_value_set = False;
>  	static int badpw_reset = False;
> @@ -879,6 +1002,7 @@ int main (int argc, char **argv)
>  		{"profile",	'p', POPT_ARG_STRING, &profile_path, 0, "set profile path", NULL},
>  		{"domain",	'I', POPT_ARG_STRING, &user_domain, 0, "set a users' domain", NULL},
>  		{"user SID",	'U', POPT_ARG_STRING, &user_sid, 0, "set user SID or RID", NULL},
> +		{"machine SID",	'M', POPT_ARG_STRING, &machine_sid, 0, "set machine SID or RID", NULL},
>  		{"create",	'a', POPT_ARG_NONE, &add_user, 0, "create user", NULL},
>  		{"modify",	'r', POPT_ARG_NONE, &modify_user, 0, "modify user", NULL},
>  		{"machine",	'm', POPT_ARG_NONE, &machine, 0, "account is a machine account", NULL},
> @@ -945,6 +1069,7 @@ int main (int argc, char **argv)
>  			(list_users ? BIT_LIST : 0) +
>  			(force_initialised_password ? BIT_FIX_INIT : 0) +
>  			(user_sid ? BIT_USERSIDS : 0) +
> +			(machine_sid ? BIT_USERSIDS : 0) +
>  			(modify_user ? BIT_MODIFY : 0) +
>  			(add_user ? BIT_CREATE : 0) +
>  			(delete_user ? BIT_DELETE : 0) +
> @@ -1120,7 +1245,7 @@ int main (int argc, char **argv)
>  		/* account creation operations */
>  		if (!(checkparms & ~(BIT_CREATE + BIT_USER + BIT_MACHINE))) {
>  		       	if (checkparms & BIT_MACHINE) {
> -				return new_machine(user_name);
> +				return new_machine(user_name, machine_sid);
>  			} else {
>  				return new_user(user_name, full_name,
>  						home_dir, home_drive,
> @@ -1139,13 +1264,19 @@ int main (int argc, char **argv)
>  		}
>  
>  		/* account modification operations */
> -		if (!(checkparms & ~(BIT_MODIFY + BIT_USER))) {
> -			return set_user_info(user_name, full_name,
> -					     home_dir, acct_desc,
> -					     home_drive, logon_script,
> -					     profile_path, account_control,
> -					     user_sid, user_domain,
> -					     badpw_reset, hours_reset);
> +		if (!(checkparms & ~(BIT_MODIFY + BIT_USER + BIT_MACHINE))) {
> +			if (checkparms & BIT_MACHINE) {
> +				return set_machine_info(user_name,
> +							account_control,
> +							machine_sid);
> +			} else {
> +				return set_user_info(user_name, full_name,
> +						     home_dir, acct_desc,
> +						     home_drive, logon_script,
> +						     profile_path, account_control,
> +						     user_sid, user_domain,
> +						     badpw_reset, hours_reset);
> +			}
>  		}
>  	}
>  
> 
> 
-- 
Simo Sorce
Samba Team GPL Compliance Officer <simo at samba.org>
Principal Software Engineer at Red Hat, Inc. <simo at redhat.com>



More information about the samba-technical mailing list