![]() | ![]() | ![]() | libuser Reference Manual |
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user — Functions for initializing the library, looking up information, and making changes to the system information store.
lu_context_t* lu_start (const char *authname, lu_entity_type_t auth_type, const char *modules, const char *create_modules, lu_prompt_fn *prompter, gpointer callback_data, lu_error_t **error); void lu_end (lu_context_t *context); void lu_set_prompter (lu_context_t *context, lu_prompt_fn *prompter, gpointer callback_data); void lu_get_prompter (lu_context_t *context, lu_prompt_fn **prompter, gpointer *callback_data); gboolean lu_set_modules (lu_context_t *context, const char *list, lu_error_t **error); const char* lu_get_modules (lu_context_t *context); gboolean lu_uses_elevated_privileges (lu_context_t *context); gboolean lu_user_lookup_name (lu_context_t *context, const char *name, struct lu_ent *ent, lu_error_t **error); gboolean lu_user_lookup_id (lu_context_t *context, uid_t uid, struct lu_ent *ent, lu_error_t **error); gboolean lu_user_default (lu_context_t *ctx, const char *name, gboolean system_account, struct lu_ent *ent); gboolean lu_user_add (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_user_modify (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_user_delete (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_user_setpass (lu_context_t *context, struct lu_ent *ent, const char *newpass, gboolean crypted, lu_error_t **error); gboolean lu_user_removepass (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_user_lock (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_user_unlock (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_user_islocked (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); GValueArray* lu_users_enumerate (lu_context_t *context, const char *pattern, lu_error_t **error); GValueArray* lu_users_enumerate_by_group (lu_context_t *context, const char *group, lu_error_t **error); GPtrArray* lu_users_enumerate_full (lu_context_t *context, const char *pattern, lu_error_t **error); gboolean lu_group_lookup_name (lu_context_t *context, const char *name, struct lu_ent *ent, lu_error_t **error); gboolean lu_group_lookup_id (lu_context_t *context, gid_t gid, struct lu_ent *ent, lu_error_t **error); gboolean lu_group_default (lu_context_t *ctx, const char *name, gboolean system_account, struct lu_ent *ent); gboolean lu_group_add (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_group_modify (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_group_delete (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_group_setpass (lu_context_t *context, struct lu_ent *ent, const char *newpass, gboolean crypted, lu_error_t **error); gboolean lu_group_removepass (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_group_lock (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_group_unlock (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); gboolean lu_group_islocked (lu_context_t *context, struct lu_ent *ent, lu_error_t **error); GValueArray* lu_groups_enumerate (lu_context_t *context, const char *pattern, lu_error_t **error); GValueArray* lu_groups_enumerate_by_user (lu_context_t *context, const char *user, lu_error_t **error); GPtrArray* lu_groups_enumerate_full (lu_context_t *context, const char *pattern, lu_error_t **error);
user.h contains declarations for functions which start up and shut down the libuser library, and for functions which perform lookup queries and modifications of the system information store.
lu_context_t* lu_start (const char *authname, lu_entity_type_t auth_type, const char *modules, const char *create_modules, lu_prompt_fn *prompter, gpointer callback_data, lu_error_t **error);
Initializes the libuser library.
authname : | suggested client name to use when connecting to servers, or NULL |
auth_type : | whether auth_name is a user or a group |
modules : | a list of modules to use for queries (separated by whitespace or commas), or NULL to use modules specified in the config file |
create_modules : | a list of modules to use for entity creation (separated by whitespace or commas), or NULL to use modules specified in the config file |
prompter : | a function to use for getting information from the user |
callback_data : | data for prompter |
error : | filled with a lu_error if an error occurs |
Returns : | a context which should be freed by lu_end() on success, NULL on failure |
void lu_set_prompter (lu_context_t *context, lu_prompt_fn *prompter, gpointer callback_data);
Changes the prompter function in a context
context : | a context |
prompter : | a new function to user for getting information from the user |
callback_data : | data for prompter |
void lu_get_prompter (lu_context_t *context, lu_prompt_fn **prompter, gpointer *callback_data);
Gets current prompter function from a context
context : | a context |
prompter : | if not NULL, points to a place where the current prompter function will be stored |
callback_data : | if not NULL, points to a place where the current prompter function data will be stored |
gboolean lu_set_modules (lu_context_t *context, const char *list, lu_error_t **error);
Replaces the current set of modules for queries in context to list.
context : | a context |
list : | a list of modules (separated by whitespace or commas) |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success, FALSE on failure |
const char* lu_get_modules (lu_context_t *context);
Returns a list of modules for queries in context.
context : | a context |
Returns : | a list of modules separated by spaces, or NULL if the list of modules is empty. The list should not be freed by the caller. |
gboolean lu_uses_elevated_privileges (lu_context_t *context);
Checks if any module uses elevated privileges (e.g. modifies files that normal users can't modify).
context : | a context |
Returns : | TRUE if at least one module uses elevated privileges |
gboolean lu_user_lookup_name (lu_context_t *context, const char *name, struct lu_ent *ent, lu_error_t **error);
Looks up an user by name.
context : | a context |
name : | user name |
ent : | an entity filled with received information |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_user_lookup_id (lu_context_t *context, uid_t uid, struct lu_ent *ent, lu_error_t **error);
Looks up an user by UID.
context : | a context |
uid : | user ID |
ent : | an entity filled with received information |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_user_default (lu_context_t *ctx, const char *name, gboolean system_account, struct lu_ent *ent);
Fills out an user entity as specified by the config file and modules to prepare for creation of the user.
ctx : | a context |
name : | new user name |
system_account : | non-zero if the user is a system user |
ent : | an entity |
Returns : | TRUE on success |
gboolean lu_user_add (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Creates an user in all modules specified for entity creation.
context : | a context |
ent : | an entity describing the user, on success updated with resulting account |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_user_modify (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Modifies an user entity.
context : | a context |
ent : | an entity with pending modifications, on success updated with current information |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_user_delete (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Deletes an user.
context : | a context |
ent : | an entity describing the user |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_user_setpass (lu_context_t *context, struct lu_ent *ent, const char *newpass, gboolean crypted, lu_error_t **error);
Changes an user's password.
context : | a context |
ent : | an entity describing the user, on success updated with current information and LU_SHADOWLASTCHANGE |
newpass : | new password |
crypted : | non-zero if newpass is already encrypted |
error : | filled with an lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_user_removepass (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Changes an user's password to an empty string.
context : | a context |
ent : | an entity describing the user, on success updated with current information and LU_SHADOWLASTCHANGE |
error : | filled with an lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_user_lock (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Locks an user account.
context : | a context |
ent : | an entity describing the user, on success updated with current information |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_user_unlock (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Unlocks an user account.
context : | a context |
ent : | an entity describing the user, on success updated with current information |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_user_islocked (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Checks if an user account is locked.
context : | a context |
ent : | an entity describing the user |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE if the account is locked in at least one module |
GValueArray* lu_users_enumerate (lu_context_t *context, const char *pattern, lu_error_t **error);
Returns a list of all users matching a pattern.
context : | a context |
pattern : | a glob-like pattern for user name |
error : | filled with a lu_error if an error occurs |
Returns : | an array of strings, each representing one user name. The array should be freed by the caller. |
GValueArray* lu_users_enumerate_by_group (lu_context_t *context, const char *group, lu_error_t **error);
Returns a list of all members of a group group.
context : | a context |
group : | group name |
error : | filled with a lu_error if an error occurs |
Returns : | an array of strings, each representing one user name. The array should be freed by the caller. |
GPtrArray* lu_users_enumerate_full (lu_context_t *context, const char *pattern, lu_error_t **error);
Returns a list of entities, one for each user matching a pattern.
context : | a context |
pattern : | a glob-like pattern for user name |
error : | filled with a lu_error if an error occurs |
Returns : | a list of pointers to user entities. The entities and the list should be freed by the caller. |
gboolean lu_group_lookup_name (lu_context_t *context, const char *name, struct lu_ent *ent, lu_error_t **error);
Looks up a group by name.
context : | a context |
name : | group name |
ent : | an entity filled with received information |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_group_lookup_id (lu_context_t *context, gid_t gid, struct lu_ent *ent, lu_error_t **error);
Looks up a group by GID.
context : | a context |
gid : | group ID |
ent : | an entity filled with received information |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_group_default (lu_context_t *ctx, const char *name, gboolean system_account, struct lu_ent *ent);
Fills out a group entity as specified by the config file and modules to prepare for creation of the group.
ctx : | a context |
name : | new group name |
system_account : | non-zero if the group is a system group |
ent : | an entity |
Returns : | TRUE on success |
gboolean lu_group_add (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Creates a group in all modules specified for entity creation.
context : | a context |
ent : | an entity describing the group, on success updated with resulting account |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_group_modify (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Modifies a group entity.
context : | a context |
ent : | an entity with pending modifications, on success updated with current information |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_group_delete (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Deletes a group.
context : | a context |
ent : | an entity describing the group |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_group_setpass (lu_context_t *context, struct lu_ent *ent, const char *newpass, gboolean crypted, lu_error_t **error);
Changes a group password.
context : | a contect |
ent : | an entity describing the group, on success updated with current information and LU_SHADOWLASTCHANGE |
newpass : | new password |
crypted : | non-zero if newpass is already encrypted |
error : | filled with an lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_group_removepass (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Changes a group password to an empty string.
context : | a context |
ent : | an entity describing the group, on success udpated with current information and LU_SHADOWLASTCHANGE |
error : | filled with in lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_group_lock (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Locks a group account
context : | a context |
ent : | an entity describing the group, on success updated with current information |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_group_unlock (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Unlocks a group account.
context : | a context |
ent : | an entity describing the group, on success updated with current information |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE on success |
gboolean lu_group_islocked (lu_context_t *context, struct lu_ent *ent, lu_error_t **error);
Checks if a group account is locked.
context : | a context |
ent : | an entity describing the group |
error : | filled with a lu_error if an error occurs |
Returns : | TRUE if the account is locked in at least one module |
GValueArray* lu_groups_enumerate (lu_context_t *context, const char *pattern, lu_error_t **error);
Returns a list of all groups matching a pattern.
context : | a context |
pattern : | a glob-like pattern for group name |
error : | filled with a lu_error if an error occurs |
Returns : | an array of strings, each representing one group name. The array should be freed by the caller. |
GValueArray* lu_groups_enumerate_by_user (lu_context_t *context, const char *user, lu_error_t **error);
Returns a list of all groups containing an user user.
context : | a context |
user : | user name |
error : | filled with a lu_error if an error occurs |
Returns : | an array of strings, each representing one group name. The array should be freed by the caller. |
GPtrArray* lu_groups_enumerate_full (lu_context_t *context, const char *pattern, lu_error_t **error);
Returns a list of entities, one for each group matching a pattern.
context : | a context |
pattern : | a glob-like pattern for group name |
error : | filled with a lu_error if an error occurs |
Returns : | a list of pointers to group entities. The entities and the list should be freed by the caller. |
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