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authorAndrew Bartlett <abartlet@samba.org>2008-09-24 12:53:10 -0700
committerAndrew Bartlett <abartlet@samba.org>2008-09-29 22:34:35 -0700
commit6ad78f01a5982666c83025a94ce4ff3729d5db6f (patch)
treeb440f90fefd1e64479625d8dd63b5f43f4e10255
parent8dd35fabbb4732cf601a93abbe0373fd53e661a1 (diff)
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Rename hdb_ldb to hdb_samba4 and load as a plugin into the kdc.
This avoids one more custom patch to the Heimdal code, and provides a more standard way to produce hdb plugins in future. I've renamed from hdb_ldb to hdb_samba4 as it really is not generic ldb. Andrew Bartlett
-rw-r--r--source4/heimdal/lib/hdb/hdb.c42
-rw-r--r--source4/heimdal/lib/hdb/hdb.h6
-rw-r--r--source4/kdc/config.mk8
-rw-r--r--source4/kdc/hdb-samba4.c (renamed from source4/kdc/hdb-ldb.c)48
-rw-r--r--source4/kdc/kdc.c17
5 files changed, 78 insertions, 43 deletions
diff --git a/source4/heimdal/lib/hdb/hdb.c b/source4/heimdal/lib/hdb/hdb.c
index 3fddabb2d0..19c170767d 100644
--- a/source4/heimdal/lib/hdb/hdb.c
+++ b/source4/heimdal/lib/hdb/hdb.c
@@ -31,34 +31,27 @@
* SUCH DAMAGE.
*/
+#include "krb5.h"
+#include "krb5_locl.h"
#include "hdb_locl.h"
-
RCSID("$Id$");
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif
-struct hdb_method {
- const char *prefix;
- krb5_error_code (*create)(krb5_context, HDB **, const char *filename);
-};
-
static struct hdb_method methods[] = {
#if HAVE_DB1 || HAVE_DB3
- {"db:", hdb_db_create},
+ {HDB_INTERFACE_VERSION, "db:", hdb_db_create},
#endif
#if HAVE_NDBM
- {"ndbm:", hdb_ndbm_create},
+ {HDB_INTERFACE_VERSION, "ndbm:", hdb_ndbm_create},
#endif
#if defined(OPENLDAP) && !defined(OPENLDAP_MODULE)
- {"ldap:", hdb_ldap_create},
- {"ldapi:", hdb_ldapi_create},
-#endif
-#ifdef HAVE_LDB /* Used for integrated samba build */
- {"ldb:", hdb_ldb_create},
+ {HDB_INTERFACE_VERSION, "ldap:", hdb_ldap_create},
+ {HDB_INTERFACE_VERSION, "ldapi:", hdb_ldapi_create},
#endif
- {NULL, NULL}
+ {0, NULL, NULL}
};
#if HAVE_DB1 || HAVE_DB3
@@ -398,11 +391,32 @@ hdb_create(krb5_context context, HDB **db, const char *filename)
{
const struct hdb_method *h;
const char *residual;
+ krb5_error_code ret;
+ struct krb5_plugin *list = NULL, *e;
if(filename == NULL)
filename = HDB_DEFAULT_DB;
krb5_add_et_list(context, initialize_hdb_error_table_r);
h = find_method (filename, &residual);
+
+ if (h == NULL) {
+ ret = _krb5_plugin_find(context, PLUGIN_TYPE_DATA, "hdb", &list);
+ if(ret == 0 && list != NULL) {
+ for (e = list; e != NULL; e = _krb5_plugin_get_next(e)) {
+ h = _krb5_plugin_get_symbol(e);
+ if (strncmp (filename, h->prefix, strlen(h->prefix)) == 0
+ && h->interface_version == HDB_INTERFACE_VERSION) {
+ residual = filename + strlen(h->prefix);
+ break;
+ }
+ }
+ if (e == NULL) {
+ h = NULL;
+ _krb5_plugin_free(list);
+ }
+ }
+ }
+
#ifdef HAVE_DLOPEN
if (h == NULL)
h = find_dynamic_method (context, filename, &residual);
diff --git a/source4/heimdal/lib/hdb/hdb.h b/source4/heimdal/lib/hdb/hdb.h
index bc1b744015..5c2097ea59 100644
--- a/source4/heimdal/lib/hdb/hdb.h
+++ b/source4/heimdal/lib/hdb/hdb.h
@@ -139,6 +139,12 @@ typedef krb5_error_code (*hdb_foreach_func_t)(krb5_context, HDB*,
hdb_entry_ex*, void*);
extern krb5_kt_ops hdb_kt_ops;
+struct hdb_method {
+ int interface_version;
+ const char *prefix;
+ krb5_error_code (*create)(krb5_context, HDB **, const char *filename);
+};
+
#include <hdb-protos.h>
#endif /* __HDB_H__ */
diff --git a/source4/kdc/config.mk b/source4/kdc/config.mk
index b3e5bfdb92..dfd2879bd6 100644
--- a/source4/kdc/config.mk
+++ b/source4/kdc/config.mk
@@ -6,7 +6,7 @@
INIT_FUNCTION = server_service_kdc_init
SUBSYSTEM = samba
PRIVATE_DEPENDENCIES = \
- HEIMDAL_KDC HDB_LDB
+ HEIMDAL_KDC HDB_SAMBA4
# End SUBSYSTEM KDC
#######################
@@ -14,7 +14,7 @@ KDC_OBJ_FILES = $(addprefix $(kdcsrcdir)/, kdc.o kpasswdd.o)
#######################
# Start SUBSYSTEM KDC
-[SUBSYSTEM::HDB_LDB]
+[SUBSYSTEM::HDB_SAMBA4]
CFLAGS = -Iheimdal/kdc -Iheimdal/lib/hdb
PRIVATE_DEPENDENCIES = \
LIBLDB auth_sam auth_sam_reply CREDENTIALS \
@@ -22,5 +22,5 @@ PRIVATE_DEPENDENCIES = \
# End SUBSYSTEM KDC
#######################
-HDB_LDB_OBJ_FILES = $(addprefix $(kdcsrcdir)/, hdb-ldb.o pac-glue.o)
-$(eval $(call proto_header_template,$(kdcsrcdir)/pac_glue.h,$(HDB_LDB_OBJ_FILES:.o=.c)))
+HDB_SAMBA4_OBJ_FILES = $(addprefix $(kdcsrcdir)/, hdb-samba4.o pac-glue.o)
+$(eval $(call proto_header_template,$(kdcsrcdir)/pac_glue.h,$(HDB_SAMBA4_OBJ_FILES:.o=.c)))
diff --git a/source4/kdc/hdb-ldb.c b/source4/kdc/hdb-samba4.c
index 4fde75cf70..d7317f17d4 100644
--- a/source4/kdc/hdb-ldb.c
+++ b/source4/kdc/hdb-samba4.c
@@ -53,8 +53,8 @@
#include "../lib/crypto/md4.h"
enum hdb_ldb_ent_type
-{ HDB_LDB_ENT_TYPE_CLIENT, HDB_LDB_ENT_TYPE_SERVER,
- HDB_LDB_ENT_TYPE_KRBTGT, HDB_LDB_ENT_TYPE_TRUST, HDB_LDB_ENT_TYPE_ANY };
+{ HDB_SAMBA4_ENT_TYPE_CLIENT, HDB_SAMBA4_ENT_TYPE_SERVER,
+ HDB_SAMBA4_ENT_TYPE_KRBTGT, HDB_SAMBA4_ENT_TYPE_TRUST, HDB_SAMBA4_ENT_TYPE_ANY };
enum trust_direction {
UNKNOWN = 0,
@@ -115,26 +115,26 @@ static HDBFlags uf2HDBFlags(krb5_context context, int userAccountControl, enum h
/* Account types - clear the invalid bit if it turns out to be valid */
if (userAccountControl & UF_NORMAL_ACCOUNT) {
- if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
+ if (ent_type == HDB_SAMBA4_ENT_TYPE_CLIENT || ent_type == HDB_SAMBA4_ENT_TYPE_ANY) {
flags.client = 1;
}
flags.invalid = 0;
}
if (userAccountControl & UF_INTERDOMAIN_TRUST_ACCOUNT) {
- if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
+ if (ent_type == HDB_SAMBA4_ENT_TYPE_CLIENT || ent_type == HDB_SAMBA4_ENT_TYPE_ANY) {
flags.client = 1;
}
flags.invalid = 0;
}
if (userAccountControl & UF_WORKSTATION_TRUST_ACCOUNT) {
- if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
+ if (ent_type == HDB_SAMBA4_ENT_TYPE_CLIENT || ent_type == HDB_SAMBA4_ENT_TYPE_ANY) {
flags.client = 1;
}
flags.invalid = 0;
}
if (userAccountControl & UF_SERVER_TRUST_ACCOUNT) {
- if (ent_type == HDB_LDB_ENT_TYPE_CLIENT || ent_type == HDB_LDB_ENT_TYPE_ANY) {
+ if (ent_type == HDB_SAMBA4_ENT_TYPE_CLIENT || ent_type == HDB_SAMBA4_ENT_TYPE_ANY) {
flags.client = 1;
}
flags.invalid = 0;
@@ -551,7 +551,7 @@ static krb5_error_code LDB_message2entry(krb5_context context, HDB *db,
entry_ex->entry.principal = malloc(sizeof(*(entry_ex->entry.principal)));
- if (ent_type == HDB_LDB_ENT_TYPE_ANY && principal == NULL) {
+ if (ent_type == HDB_SAMBA4_ENT_TYPE_ANY && principal == NULL) {
const char *samAccountName = ldb_msg_find_attr_as_string(msg, "samAccountName", NULL);
if (!samAccountName) {
krb5_set_error_string(context, "LDB_message2entry: no samAccountName present");
@@ -587,7 +587,7 @@ static krb5_error_code LDB_message2entry(krb5_context context, HDB *db,
entry_ex->entry.flags = uf2HDBFlags(context, userAccountControl, ent_type);
- if (ent_type == HDB_LDB_ENT_TYPE_KRBTGT) {
+ if (ent_type == HDB_SAMBA4_ENT_TYPE_KRBTGT) {
entry_ex->entry.flags.invalid = 0;
entry_ex->entry.flags.server = 1;
entry_ex->entry.flags.forwardable = 1;
@@ -631,7 +631,7 @@ static krb5_error_code LDB_message2entry(krb5_context context, HDB *db,
*entry_ex->entry.valid_end = nt_time_to_unix(acct_expiry);
}
- if (ent_type != HDB_LDB_ENT_TYPE_KRBTGT) {
+ if (ent_type != HDB_SAMBA4_ENT_TYPE_KRBTGT) {
NTTIME must_change_time
= samdb_result_force_password_change((struct ldb_context *)db->hdb_db, mem_ctx,
domain_dn, msg);
@@ -909,16 +909,16 @@ static krb5_error_code LDB_lookup_principal(krb5_context context, struct ldb_con
}
switch (ent_type) {
- case HDB_LDB_ENT_TYPE_CLIENT:
- case HDB_LDB_ENT_TYPE_TRUST:
- case HDB_LDB_ENT_TYPE_ANY:
+ case HDB_SAMBA4_ENT_TYPE_CLIENT:
+ case HDB_SAMBA4_ENT_TYPE_TRUST:
+ case HDB_SAMBA4_ENT_TYPE_ANY:
/* Can't happen */
return EINVAL;
- case HDB_LDB_ENT_TYPE_KRBTGT:
+ case HDB_SAMBA4_ENT_TYPE_KRBTGT:
filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
KRB5_TGS_NAME);
break;
- case HDB_LDB_ENT_TYPE_SERVER:
+ case HDB_SAMBA4_ENT_TYPE_SERVER:
filter = talloc_asprintf(mem_ctx, "(&(objectClass=user)(samAccountName=%s))",
short_princ_talloc);
break;
@@ -1075,7 +1075,7 @@ static krb5_error_code LDB_fetch_client(krb5_context context, HDB *db,
}
ret = LDB_message2entry(context, db, mem_ctx,
- principal, HDB_LDB_ENT_TYPE_CLIENT,
+ principal, HDB_SAMBA4_ENT_TYPE_CLIENT,
msg[0], realm_ref_msg[0], entry_ex);
return ret;
}
@@ -1136,7 +1136,7 @@ static krb5_error_code LDB_fetch_krbtgt(krb5_context context, HDB *db,
ret = LDB_lookup_principal(context, (struct ldb_context *)db->hdb_db,
mem_ctx,
- principal, HDB_LDB_ENT_TYPE_KRBTGT, realm_dn, &msg);
+ principal, HDB_SAMBA4_ENT_TYPE_KRBTGT, realm_dn, &msg);
if (ret != 0) {
krb5_warnx(context, "LDB_fetch: could not find principal in DB");
@@ -1145,7 +1145,7 @@ static krb5_error_code LDB_fetch_krbtgt(krb5_context context, HDB *db,
}
ret = LDB_message2entry(context, db, mem_ctx,
- principal, HDB_LDB_ENT_TYPE_KRBTGT,
+ principal, HDB_SAMBA4_ENT_TYPE_KRBTGT,
msg[0], realm_ref_msg_1[0], entry_ex);
if (ret != 0) {
krb5_warnx(context, "LDB_fetch: message2entry failed");
@@ -1265,7 +1265,7 @@ static krb5_error_code LDB_fetch_server(krb5_context context, HDB *db,
ret = LDB_lookup_principal(context, (struct ldb_context *)db->hdb_db,
mem_ctx,
- principal, HDB_LDB_ENT_TYPE_SERVER, realm_dn, &msg);
+ principal, HDB_SAMBA4_ENT_TYPE_SERVER, realm_dn, &msg);
if (ret != 0) {
return ret;
@@ -1273,7 +1273,7 @@ static krb5_error_code LDB_fetch_server(krb5_context context, HDB *db,
}
ret = LDB_message2entry(context, db, mem_ctx,
- principal, HDB_LDB_ENT_TYPE_SERVER,
+ principal, HDB_SAMBA4_ENT_TYPE_SERVER,
msg[0], realm_ref_msg[0], entry_ex);
if (ret != 0) {
krb5_warnx(context, "LDB_fetch: message2entry failed");
@@ -1358,7 +1358,7 @@ static krb5_error_code LDB_seq(krb5_context context, HDB *db, unsigned flags, hd
if (priv->index < priv->count) {
ret = LDB_message2entry(context, db, mem_ctx,
- NULL, HDB_LDB_ENT_TYPE_ANY,
+ NULL, HDB_SAMBA4_ENT_TYPE_ANY,
priv->msgs[priv->index++],
priv->realm_ref_msgs[0], entry);
} else {
@@ -1476,7 +1476,7 @@ static krb5_error_code LDB_destroy(krb5_context context, HDB *db)
* (hdb_ldb_create) from the kpasswdd -> krb5 -> keytab_hdb -> hdb
* code */
-NTSTATUS kdc_hdb_ldb_create(TALLOC_CTX *mem_ctx,
+NTSTATUS kdc_hdb_samba4_create(TALLOC_CTX *mem_ctx,
struct event_context *ev_ctx,
struct loadparm_context *lp_ctx,
krb5_context context, struct HDB **db, const char *arg)
@@ -1536,12 +1536,12 @@ NTSTATUS kdc_hdb_ldb_create(TALLOC_CTX *mem_ctx,
return NT_STATUS_OK;
}
-krb5_error_code hdb_ldb_create(krb5_context context, struct HDB **db, const char *arg)
+krb5_error_code hdb_samba4_create(krb5_context context, struct HDB **db, const char *arg)
{
NTSTATUS nt_status;
/* The global kdc_mem_ctx and kdc_lp_ctx, Disgusting, ugly hack, but it means one less private hook */
- nt_status = kdc_hdb_ldb_create(kdc_mem_ctx, event_context_find(kdc_mem_ctx), kdc_lp_ctx,
- context, db, arg);
+ nt_status = kdc_hdb_samba4_create(kdc_mem_ctx, event_context_find(kdc_mem_ctx), kdc_lp_ctx,
+ context, db, arg);
if (NT_STATUS_IS_OK(nt_status)) {
return 0;
diff --git a/source4/kdc/kdc.c b/source4/kdc/kdc.c
index 030eb23c10..83c6f1c2ee 100644
--- a/source4/kdc/kdc.c
+++ b/source4/kdc/kdc.c
@@ -667,6 +667,11 @@ static void kdc_task_init(struct task_server *task)
NTSTATUS status;
krb5_error_code ret;
struct interface *ifaces;
+ struct hdb_method hdb_samba4 = {
+ .interface_version = HDB_INTERFACE_VERSION,
+ .prefix = "samba4:",
+ .create = hdb_samba4_create
+ };
switch (lp_server_role(task->lp_ctx)) {
case ROLE_STANDALONE:
@@ -724,7 +729,7 @@ static void kdc_task_init(struct task_server *task)
}
kdc->config->num_db = 1;
- status = kdc_hdb_ldb_create(kdc, task->event_ctx, task->lp_ctx,
+ status = kdc_hdb_samba4_create(kdc, task->event_ctx, task->lp_ctx,
kdc->smb_krb5_context->krb5_context,
&kdc->config->db[0], NULL);
if (!NT_STATUS_IS_OK(status)) {
@@ -732,6 +737,16 @@ static void kdc_task_init(struct task_server *task)
return;
}
+
+ /* Register hdb-samba4 hooks */
+ ret = krb5_plugin_register(kdc->smb_krb5_context->krb5_context,
+ PLUGIN_TYPE_DATA, "hdb",
+ &hdb_samba4);
+ if(ret) {
+ task_server_terminate(task, "kdc: failed to register hdb keytab");
+ return;
+ }
+
ret = krb5_kt_register(kdc->smb_krb5_context->krb5_context, &hdb_kt_ops);
if(ret) {
task_server_terminate(task, "kdc: failed to register hdb keytab");