From 2e894625e7c951b5ee66670124b4bef82a8129d9 Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Fri, 7 Apr 2006 13:15:46 +0000 Subject: r14964: - move sidmap code from ntvfs_common to SAMDB - make ntvfs_common a library - create sys_notify library metze (This used to be commit a3e1d56cf7b688c515f5d6d4d43e0b24c2261d15) --- source4/ntvfs/common/config.mk | 16 +- source4/ntvfs/common/init.c | 33 +++ source4/ntvfs/common/notify.c | 2 +- source4/ntvfs/common/sidmap.c | 566 ----------------------------------------- 4 files changed, 43 insertions(+), 574 deletions(-) create mode 100644 source4/ntvfs/common/init.c delete mode 100644 source4/ntvfs/common/sidmap.c (limited to 'source4/ntvfs/common') diff --git a/source4/ntvfs/common/config.mk b/source4/ntvfs/common/config.mk index 6eb9073b73..96ddfb348b 100644 --- a/source4/ntvfs/common/config.mk +++ b/source4/ntvfs/common/config.mk @@ -1,13 +1,15 @@ ################################################ -# Start MODULE ntvfs_common -[MODULE::ntvfs_common] -SUBSYSTEM = ntvfs +# Start LIBRARY ntvfs_common +[LIBRARY::ntvfs_common] PRIVATE_PROTO_HEADER = proto.h +VERSION = 0.0.1 +SO_VERSION = 0 +DESCRIPTION = Generic Code for use in NTVFS modules OBJ_FILES = \ + init.o \ brlock.o \ opendb.o \ - notify.o \ - sidmap.o -REQUIRED_SUBSYSTEMS = -# End MODULE ntvfs_common + notify.o +REQUIRED_SUBSYSTEMS = NDR_OPENDB NDR_NOTIFY sys_notify +# End LIBRARY ntvfs_common ################################################ diff --git a/source4/ntvfs/common/init.c b/source4/ntvfs/common/init.c new file mode 100644 index 0000000000..6cdc70dc50 --- /dev/null +++ b/source4/ntvfs/common/init.c @@ -0,0 +1,33 @@ +/* + Unix SMB/CIFS implementation. + + Copyright (C) Stefan Metzmacher 2006 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +/* + this is the change notify database. It implements mechanisms for + storing current change notify waiters in a tdb, and checking if a + given event matches any of the stored notify waiiters. +*/ + +#include "includes.h" +#include "ntvfs/sysdep/sys_notify.h" + +_PUBLIC_ NTSTATUS ntvfs_common_init(void) +{ + return sys_notify_init(); +} diff --git a/source4/ntvfs/common/notify.c b/source4/ntvfs/common/notify.c index a701880701..2d880dd5c4 100644 --- a/source4/ntvfs/common/notify.c +++ b/source4/ntvfs/common/notify.c @@ -115,7 +115,7 @@ struct notify_context *notify_init(TALLOC_CTX *mem_ctx, uint32_t server, messaging_register(notify->messaging_ctx, notify, MSG_PVFS_NOTIFY, notify_handler); - notify->sys_notify_ctx = sys_notify_init(snum, notify, ev); + notify->sys_notify_ctx = sys_notify_context_create(snum, notify, ev); return notify; } diff --git a/source4/ntvfs/common/sidmap.c b/source4/ntvfs/common/sidmap.c deleted file mode 100644 index 6f3cd42b62..0000000000 --- a/source4/ntvfs/common/sidmap.c +++ /dev/null @@ -1,566 +0,0 @@ -/* - Unix SMB/CIFS implementation. - - mapping routines for SID <-> unix uid/gid - - Copyright (C) Andrew Tridgell 2004 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "includes.h" -#include "system/passwd.h" -#include "ads.h" -#include "dsdb/samdb/samdb.h" -#include "auth/auth.h" -#include "libcli/ldap/ldap.h" -#include "db_wrap.h" -#include "libcli/security/security.h" -#include "librpc/gen_ndr/ndr_security.h" - -/* - these are used for the fallback local uid/gid to sid mapping - code. -*/ -#define SIDMAP_LOCAL_USER_BASE 0x80000000 -#define SIDMAP_LOCAL_GROUP_BASE 0xC0000000 -#define SIDMAP_MAX_LOCAL_UID 0x3fffffff -#define SIDMAP_MAX_LOCAL_GID 0x3fffffff - -/* - private context for sid mapping routines -*/ -struct sidmap_context { - struct ldb_wrap *samctx; -}; - -/* - open a sidmap context - use talloc_free to close -*/ -struct sidmap_context *sidmap_open(TALLOC_CTX *mem_ctx) -{ - struct sidmap_context *sidmap; - sidmap = talloc(mem_ctx, struct sidmap_context); - if (sidmap == NULL) { - return NULL; - } - sidmap->samctx = samdb_connect(sidmap, system_session(sidmap)); - if (sidmap->samctx == NULL) { - talloc_free(sidmap); - return NULL; - } - - return sidmap; -} - - -/* - check the sAMAccountType field of a search result to see if - the account is a user account -*/ -static BOOL is_user_account(struct ldb_message *res) -{ - uint_t atype = samdb_result_uint(res, "sAMAccountType", 0); - if (atype && (!(atype & ATYPE_ACCOUNT))) { - return False; - } - return True; -} - -/* - check the sAMAccountType field of a search result to see if - the account is a group account -*/ -static BOOL is_group_account(struct ldb_message *res) -{ - uint_t atype = samdb_result_uint(res, "sAMAccountType", 0); - if (atype && atype == ATYPE_NORMAL_ACCOUNT) { - return False; - } - return True; -} - - - -/* - return the dom_sid of our primary domain -*/ -static NTSTATUS sidmap_primary_domain_sid(struct sidmap_context *sidmap, - TALLOC_CTX *mem_ctx, struct dom_sid **sid) -{ - const char *attrs[] = { "objectSid", NULL }; - int ret; - struct ldb_message **res = NULL; - - ret = gendb_search_dn(sidmap->samctx, mem_ctx, samdb_base_dn(mem_ctx), - &res, attrs); - if (ret != 1) { - talloc_free(res); - return NT_STATUS_NO_SUCH_DOMAIN; - } - - *sid = samdb_result_dom_sid(mem_ctx, res[0], "objectSid"); - talloc_free(res); - if (*sid == NULL) { - return NT_STATUS_NO_MEMORY; - } - - return NT_STATUS_OK; -} - - -/* - map a sid to a unix uid -*/ -NTSTATUS sidmap_sid_to_unixuid(struct sidmap_context *sidmap, - struct dom_sid *sid, uid_t *uid) -{ - const char *attrs[] = { "sAMAccountName", "unixID", - "unixName", "sAMAccountType", NULL }; - int ret; - const char *s; - TALLOC_CTX *tmp_ctx; - struct ldb_message **res; - struct dom_sid *domain_sid; - NTSTATUS status; - - tmp_ctx = talloc_new(sidmap); - - ret = gendb_search(sidmap->samctx, tmp_ctx, NULL, &res, attrs, - "objectSid=%s", ldap_encode_ndr_dom_sid(tmp_ctx, sid)); - if (ret != 1) { - goto allocated_sid; - } - - /* make sure its a user, not a group */ - if (!is_user_account(res[0])) { - DEBUG(0,("sid_to_unixuid: sid %s is not an account!\n", - dom_sid_string(tmp_ctx, sid))); - talloc_free(tmp_ctx); - return NT_STATUS_INVALID_SID; - } - - /* first try to get the uid directly */ - s = samdb_result_string(res[0], "unixID", NULL); - if (s != NULL) { - *uid = strtoul(s, NULL, 0); - talloc_free(tmp_ctx); - return NT_STATUS_OK; - } - - /* next try via the UnixName attribute */ - s = samdb_result_string(res[0], "unixName", NULL); - if (s != NULL) { - struct passwd *pwd = getpwnam(s); - if (!pwd) { - DEBUG(0,("unixName %s for sid %s does not exist as a local user\n", s, - dom_sid_string(tmp_ctx, sid))); - talloc_free(tmp_ctx); - return NT_STATUS_NO_SUCH_USER; - } - *uid = pwd->pw_uid; - talloc_free(tmp_ctx); - return NT_STATUS_OK; - } - - /* finally try via the sAMAccountName attribute */ - s = samdb_result_string(res[0], "sAMAccountName", NULL); - if (s != NULL) { - struct passwd *pwd = getpwnam(s); - if (!pwd) { - DEBUG(0,("sAMAccountName '%s' for sid %s does not exist as a local user\n", - s, dom_sid_string(tmp_ctx, sid))); - talloc_free(tmp_ctx); - return NT_STATUS_NO_SUCH_USER; - } - *uid = pwd->pw_uid; - talloc_free(tmp_ctx); - return NT_STATUS_OK; - } - - -allocated_sid: - status = sidmap_primary_domain_sid(sidmap, tmp_ctx, &domain_sid); - if (!NT_STATUS_IS_OK(status)) { - talloc_free(tmp_ctx); - return NT_STATUS_NO_SUCH_DOMAIN; - } - - if (dom_sid_in_domain(domain_sid, sid)) { - uint32_t rid = sid->sub_auths[sid->num_auths-1]; - if (rid >= SIDMAP_LOCAL_USER_BASE && - rid < SIDMAP_LOCAL_GROUP_BASE) { - *uid = rid - SIDMAP_LOCAL_USER_BASE; - talloc_free(tmp_ctx); - return NT_STATUS_OK; - } - } - - - DEBUG(0,("sid_to_unixuid: no unixID, unixName or sAMAccountName for sid %s\n", - dom_sid_string(tmp_ctx, sid))); - - talloc_free(tmp_ctx); - return NT_STATUS_INVALID_SID; -} - - -/* - map a sid to a unix gid -*/ -NTSTATUS sidmap_sid_to_unixgid(struct sidmap_context *sidmap, - struct dom_sid *sid, gid_t *gid) -{ - const char *attrs[] = { "sAMAccountName", "unixID", - "unixName", "sAMAccountType", NULL }; - int ret; - const char *s; - TALLOC_CTX *tmp_ctx; - struct ldb_message **res; - NTSTATUS status; - struct dom_sid *domain_sid; - - tmp_ctx = talloc_new(sidmap); - - ret = gendb_search(sidmap->samctx, tmp_ctx, NULL, &res, attrs, - "objectSid=%s", ldap_encode_ndr_dom_sid(tmp_ctx, sid)); - if (ret != 1) { - goto allocated_sid; - } - - /* make sure its not a user */ - if (!is_group_account(res[0])) { - DEBUG(0,("sid_to_unixgid: sid %s is a ATYPE_NORMAL_ACCOUNT\n", - dom_sid_string(tmp_ctx, sid))); - talloc_free(tmp_ctx); - return NT_STATUS_INVALID_SID; - } - - /* first try to get the gid directly */ - s = samdb_result_string(res[0], "unixID", NULL); - if (s != NULL) { - *gid = strtoul(s, NULL, 0); - talloc_free(tmp_ctx); - return NT_STATUS_OK; - } - - /* next try via the UnixName attribute */ - s = samdb_result_string(res[0], "unixName", NULL); - if (s != NULL) { - struct group *grp = getgrnam(s); - if (!grp) { - DEBUG(0,("unixName '%s' for sid %s does not exist as a local group\n", - s, dom_sid_string(tmp_ctx, sid))); - talloc_free(tmp_ctx); - return NT_STATUS_NO_SUCH_USER; - } - *gid = grp->gr_gid; - talloc_free(tmp_ctx); - return NT_STATUS_OK; - } - - /* finally try via the sAMAccountName attribute */ - s = samdb_result_string(res[0], "sAMAccountName", NULL); - if (s != NULL) { - struct group *grp = getgrnam(s); - if (!grp) { - DEBUG(0,("sAMAccountName '%s' for sid %s does not exist as a local group\n", s, dom_sid_string(tmp_ctx, sid))); - talloc_free(tmp_ctx); - return NT_STATUS_NO_SUCH_USER; - } - *gid = grp->gr_gid; - talloc_free(tmp_ctx); - return NT_STATUS_OK; - } - -allocated_sid: - status = sidmap_primary_domain_sid(sidmap, tmp_ctx, &domain_sid); - if (!NT_STATUS_IS_OK(status)) { - talloc_free(tmp_ctx); - return NT_STATUS_NO_SUCH_DOMAIN; - } - - if (dom_sid_in_domain(domain_sid, sid)) { - uint32_t rid = sid->sub_auths[sid->num_auths-1]; - if (rid >= SIDMAP_LOCAL_GROUP_BASE) { - *gid = rid - SIDMAP_LOCAL_GROUP_BASE; - talloc_free(tmp_ctx); - return NT_STATUS_OK; - } - } - - DEBUG(0,("sid_to_unixgid: no unixID, unixName or sAMAccountName for sid %s\n", - dom_sid_string(tmp_ctx, sid))); - - talloc_free(tmp_ctx); - return NT_STATUS_INVALID_SID; -} - - -/* - map a unix uid to a dom_sid - the returned sid is allocated in the supplied mem_ctx -*/ -NTSTATUS sidmap_uid_to_sid(struct sidmap_context *sidmap, - TALLOC_CTX *mem_ctx, - uid_t uid, struct dom_sid **sid) -{ - const char *attrs[] = { "sAMAccountName", "objectSid", "sAMAccountType", NULL }; - int ret, i; - TALLOC_CTX *tmp_ctx; - struct ldb_message **res; - struct passwd *pwd; - struct dom_sid *domain_sid; - NTSTATUS status; - - /* - we search for the mapping in the following order: - - - check if the uid is in the dynamic uid range assigned for winbindd - use. If it is, then look in winbindd sid mapping - database (not implemented yet) - - look for a user account in samdb that has unixID set to the - given uid - - look for a user account in samdb that has unixName or - sAMAccountName set to the name given by getpwuid() - - assign a SID by adding the uid to SIDMAP_LOCAL_USER_BASE in the local - domain - */ - - - tmp_ctx = talloc_new(mem_ctx); - - - /* - step 2: look for a user account in samdb that has unixID set to the - given uid - */ - - ret = gendb_search(sidmap->samctx, tmp_ctx, NULL, &res, attrs, - "unixID=%u", (unsigned int)uid); - for (i=0;isamctx, tmp_ctx, NULL, &res, attrs, - "(|(unixName=%s)(sAMAccountName=%s))", - pwd->pw_name, pwd->pw_name); - for (i=0;i SIDMAP_MAX_LOCAL_UID) { - return NT_STATUS_INVALID_SID; - } - - status = sidmap_primary_domain_sid(sidmap, tmp_ctx, &domain_sid); - if (!NT_STATUS_IS_OK(status)) { - talloc_free(tmp_ctx); - return status; - } - - *sid = dom_sid_add_rid(mem_ctx, domain_sid, SIDMAP_LOCAL_USER_BASE + uid); - talloc_free(tmp_ctx); - - if (*sid == NULL) { - return NT_STATUS_NO_MEMORY; - } - - return NT_STATUS_OK; -} - - -/* - map a unix gid to a dom_sid - the returned sid is allocated in the supplied mem_ctx -*/ -NTSTATUS sidmap_gid_to_sid(struct sidmap_context *sidmap, - TALLOC_CTX *mem_ctx, - gid_t gid, struct dom_sid **sid) -{ - const char *attrs[] = { "sAMAccountName", "objectSid", "sAMAccountType", NULL }; - int ret, i; - TALLOC_CTX *tmp_ctx; - struct ldb_message **res; - struct group *grp; - struct dom_sid *domain_sid; - NTSTATUS status; - - /* - we search for the mapping in the following order: - - - check if the gid is in the dynamic gid range assigned for winbindd - use. If it is, then look in winbindd sid mapping - database (not implemented yet) - - look for a group account in samdb that has unixID set to the - given gid - - look for a group account in samdb that has unixName or - sAMAccountName set to the name given by getgrgid() - - assign a SID by adding the gid to SIDMAP_LOCAL_GROUP_BASE in the local - domain - */ - - - tmp_ctx = talloc_new(sidmap); - - - /* - step 2: look for a group account in samdb that has unixID set to the - given gid - */ - - ret = gendb_search(sidmap->samctx, tmp_ctx, NULL, &res, attrs, - "unixID=%u", (unsigned int)gid); - for (i=0;isamctx, tmp_ctx, NULL, &res, attrs, - "(|(unixName=%s)(sAMAccountName=%s))", - grp->gr_name, grp->gr_name); - for (i=0;i SIDMAP_MAX_LOCAL_GID) { - return NT_STATUS_INVALID_SID; - } - - status = sidmap_primary_domain_sid(sidmap, tmp_ctx, &domain_sid); - if (!NT_STATUS_IS_OK(status)) { - talloc_free(tmp_ctx); - return status; - } - - *sid = dom_sid_add_rid(mem_ctx, domain_sid, SIDMAP_LOCAL_GROUP_BASE + gid); - talloc_free(tmp_ctx); - - if (*sid == NULL) { - return NT_STATUS_NO_MEMORY; - } - - return NT_STATUS_OK; -} - -/* - check if a sid is in the range of auto-allocated SIDs from our primary domain, - and if it is, then return the name and atype -*/ -NTSTATUS sidmap_allocated_sid_lookup(struct sidmap_context *sidmap, - TALLOC_CTX *mem_ctx, - const struct dom_sid *sid, - const char **name, - uint32_t *atype) -{ - NTSTATUS status; - struct dom_sid *domain_sid; - TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); - uint32_t rid; - - status = sidmap_primary_domain_sid(sidmap, tmp_ctx, &domain_sid); - if (!NT_STATUS_IS_OK(status)) { - return NT_STATUS_NO_SUCH_DOMAIN; - } - - if (!dom_sid_in_domain(domain_sid, sid)) { - talloc_free(tmp_ctx); - return NT_STATUS_INVALID_SID; - } - - talloc_free(tmp_ctx); - - rid = sid->sub_auths[sid->num_auths-1]; - if (rid < SIDMAP_LOCAL_USER_BASE) { - return NT_STATUS_INVALID_SID; - } - - if (rid < SIDMAP_LOCAL_GROUP_BASE) { - struct passwd *pwd; - uid_t uid = rid - SIDMAP_LOCAL_USER_BASE; - *atype = ATYPE_NORMAL_ACCOUNT; - pwd = getpwuid(uid); - if (pwd == NULL) { - *name = talloc_asprintf(mem_ctx, "uid%u", uid); - } else { - *name = talloc_strdup(mem_ctx, pwd->pw_name); - } - } else { - struct group *grp; - gid_t gid = rid - SIDMAP_LOCAL_GROUP_BASE; - *atype = ATYPE_LOCAL_GROUP; - grp = getgrgid(gid); - if (grp == NULL) { - *name = talloc_asprintf(mem_ctx, "gid%u", gid); - } else { - *name = talloc_strdup(mem_ctx, grp->gr_name); - } - } - - if (*name == NULL) { - return NT_STATUS_NO_MEMORY; - } - - return NT_STATUS_OK; -} -- cgit