diff options
Diffstat (limited to 'source3/nsswitch/nss_info.c')
| -rw-r--r-- | source3/nsswitch/nss_info.c | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/source3/nsswitch/nss_info.c b/source3/nsswitch/nss_info.c deleted file mode 100644 index ea51e9dde8..0000000000 --- a/source3/nsswitch/nss_info.c +++ /dev/null @@ -1,301 +0,0 @@ -/* - Unix SMB/CIFS implementation. - Idmap NSS headers - - Copyright (C) Gerald Carter 2006 - - 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/>. -*/ - -#include "includes.h" -#include "nss_info.h" - -static struct nss_function_entry *backends = NULL; -static struct nss_domain_entry *nss_domain_list = NULL; - -/********************************************************************** - Get idmap nss methods. -**********************************************************************/ - -static struct nss_function_entry *nss_get_backend(const char *name ) -{ - struct nss_function_entry *entry = backends; - - for(entry = backends; entry; entry = entry->next) { - if ( strequal(entry->name, name) ) - return entry; - } - - return NULL; -} - -/********************************************************************* - Allow a module to register itself as a backend. -**********************************************************************/ - - NTSTATUS smb_register_idmap_nss(int version, const char *name, struct nss_info_methods *methods) -{ - struct nss_function_entry *entry; - - if ((version != SMB_NSS_INFO_INTERFACE_VERSION)) { - DEBUG(0, ("smb_register_idmap_nss: Failed to register idmap_nss module.\n" - "The module was compiled against SMB_NSS_INFO_INTERFACE_VERSION %d,\n" - "current SMB_NSS_INFO_INTERFACE_VERSION is %d.\n" - "Please recompile against the current version of samba!\n", - version, SMB_NSS_INFO_INTERFACE_VERSION)); - return NT_STATUS_OBJECT_TYPE_MISMATCH; - } - - if (!name || !name[0] || !methods) { - DEBUG(0,("smb_register_idmap_nss: called with NULL pointer or empty name!\n")); - return NT_STATUS_INVALID_PARAMETER; - } - - if ( nss_get_backend(name) ) { - DEBUG(0,("smb_register_idmap_nss: idmap module %s " - "already registered!\n", name)); - return NT_STATUS_OBJECT_NAME_COLLISION; - } - - entry = SMB_XMALLOC_P(struct nss_function_entry); - entry->name = smb_xstrdup(name); - entry->methods = methods; - - DLIST_ADD(backends, entry); - DEBUG(5, ("smb_register_idmap_nss: Successfully added idmap " - "nss backend '%s'\n", name)); - - return NT_STATUS_OK; -} - -/******************************************************************** - *******************************************************************/ - -static BOOL parse_nss_parm( const char *config, char **backend, char **domain ) -{ - char *p; - char *q; - int len; - - *backend = *domain = NULL; - - if ( !config ) - return False; - - p = strchr( config, ':' ); - - /* if no : then the string must be the backend name only */ - - if ( !p ) { - *backend = SMB_STRDUP( config ); - return (*backend != NULL); - } - - /* split the string and return the two parts */ - - if ( strlen(p+1) > 0 ) { - *domain = SMB_STRDUP( p+1 ); - } - - len = PTR_DIFF(p,config)+1; - if ( (q = SMB_MALLOC_ARRAY( char, len )) == NULL ) { - SAFE_FREE( *backend ); - return False; - } - - StrnCpy( q, config, len-1); - q[len-1] = '\0'; - *backend = q; - - return True; -} - -/******************************************************************** - Each nss backend must not store global state, but rather be able - to initialize the state on a per domain basis. - *******************************************************************/ - - NTSTATUS nss_init( const char **nss_list ) -{ - NTSTATUS status; - static NTSTATUS nss_initialized = NT_STATUS_UNSUCCESSFUL; - int i; - char *backend, *domain; - struct nss_function_entry *nss_backend; - struct nss_domain_entry *nss_domain; - - /* check for previous successful initializations */ - - if ( NT_STATUS_IS_OK(nss_initialized) ) - return NT_STATUS_OK; - - /* The "template" backend should alqays be registered as it - is a static module */ - - if ( (nss_backend = nss_get_backend( "template" )) == NULL ) { - static_init_nss_info; - } - - /* Create the list of nss_domains (loading any shared plugins - as necessary) */ - - for ( i=0; nss_list && nss_list[i]; i++ ) { - - if ( !parse_nss_parm(nss_list[i], &backend, &domain) ) { - DEBUG(0,("nss_init: failed to parse \"%s\"!\n", - nss_list[i])); - continue; - } - - /* validate the backend */ - - if ( (nss_backend = nss_get_backend( backend )) == NULL ) { - /* attempt to register the backend */ - status = smb_probe_module( "nss_info", backend ); - if ( !NT_STATUS_IS_OK(status) ) { - continue; - } - - /* try again */ - if ( (nss_backend = nss_get_backend( backend )) == NULL ) { - DEBUG(0,("nss_init: unregistered backend %s!. Skipping\n", - backend)); - continue; - } - - } - - /* fill in the nss_domain_entry and add it to the - list of domains */ - - nss_domain = TALLOC_ZERO_P( nss_domain_list, struct nss_domain_entry ); - if ( !nss_domain ) { - DEBUG(0,("nss_init: talloc() failure!\n")); - return NT_STATUS_NO_MEMORY; - } - - nss_domain->backend = nss_backend; - nss_domain->domain = talloc_strdup( nss_domain, domain ); - - /* Try to init and ave the result */ - - nss_domain->init_status = nss_domain->backend->methods->init( nss_domain ); - DLIST_ADD( nss_domain_list, nss_domain ); - if ( !NT_STATUS_IS_OK(nss_domain->init_status) ) { - DEBUG(0,("nss_init: Failed to init backend for %s domain!\n", - nss_domain->domain)); - } - - /* cleanup */ - - SAFE_FREE( backend ); - SAFE_FREE( domain ); - } - - if ( !nss_domain_list ) { - DEBUG(3,("nss_init: no nss backends configured. " - "Defaulting to \"template\".\n")); - - - /* we shouild default to use template here */ - } - - - nss_initialized = NT_STATUS_OK; - - return NT_STATUS_OK; -} - -/******************************************************************** - *******************************************************************/ - -static struct nss_domain_entry *find_nss_domain( const char *domain ) -{ - NTSTATUS status; - struct nss_domain_entry *p; - - status = nss_init( lp_winbind_nss_info() ); - if ( !NT_STATUS_IS_OK(status) ) { - DEBUG(4,("nss_get_info: Failed to init nss_info API (%s)!\n", - nt_errstr(status))); - return NULL; - } - - for ( p=nss_domain_list; p; p=p->next ) { - if ( strequal( p->domain, domain ) ) - break; - } - - /* If we didn't find a match, then use the default nss info */ - - if ( !p ) { - if ( !nss_domain_list ) { - return NULL; - } - - p = nss_domain_list; - } - - if ( !NT_STATUS_IS_OK( p->init_status ) ) { - p->init_status = p->backend->methods->init( p ); - } - - return p; -} - -/******************************************************************** - *******************************************************************/ - - NTSTATUS nss_get_info( const char *domain, const DOM_SID *user_sid, - TALLOC_CTX *ctx, - ADS_STRUCT *ads, LDAPMessage *msg, - char **homedir, char **shell, char **gecos, - gid_t *p_gid) -{ - struct nss_domain_entry *p; - struct nss_info_methods *m; - - if ( (p = find_nss_domain( domain )) == NULL ) { - DEBUG(4,("nss_get_info: Failed to find nss domain pointer for %s\n", - domain )); - return NT_STATUS_NOT_FOUND; - } - - m = p->backend->methods; - - return m->get_nss_info( p, user_sid, ctx, ads, msg, - homedir, shell, gecos, p_gid ); -} - -/******************************************************************** - *******************************************************************/ - - NTSTATUS nss_close( const char *parameters ) -{ - struct nss_domain_entry *p = nss_domain_list; - struct nss_domain_entry *q; - - while ( p && p->backend && p->backend->methods ) { - /* close the backend */ - p->backend->methods->close_fn(); - - /* free the memory */ - q = p; - p = p->next; - TALLOC_FREE( q ); - } - - return NT_STATUS_OK; -} - |