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-rw-r--r--source4/libgpo/gpo.h29
-rw-r--r--source4/libgpo/gpo_ldap.c323
2 files changed, 299 insertions, 53 deletions
diff --git a/source4/libgpo/gpo.h b/source4/libgpo/gpo.h
index 808718ea49..1e51e5250a 100644
--- a/source4/libgpo/gpo.h
+++ b/source4/libgpo/gpo.h
@@ -22,9 +22,13 @@
#define __GPO_H__
-/* GPO_OPTIONS */
-#define GPO_FLAG_DISABLE 0x00000001
-#define GPO_FLAG_FORCE 0x00000002
+#define GPLINK_OPT_DISABLE (1 << 0)
+#define GPLINK_OPT_ENFORCE (1 << 1)
+
+
+#define GPO_FLAG_USER_DISABLE (1 << 0)
+#define GPO_FLAG_MACHINE_DISABLE (1 << 1)
+
struct gp_context {
struct ldb_context *ldb_ctx;
@@ -43,6 +47,19 @@ struct gp_object {
struct security_descriptor *security_descriptor;
};
+struct gp_hierarchy_object {
+ enum {
+ GPO_INHERIT = 0,
+ GPO_BLOCK_INHERITANCE = 1,
+ } inheritance;
+ struct gp_link **gplinks;
+};
+
+struct gp_link {
+ uint32_t options;
+ const char *dn;
+};
+
NTSTATUS gp_fetch_gpo(TALLOC_CTX *mem_ctx, struct ldb_context *ldb);
NTSTATUS gp_apply_gpo(TALLOC_CTX *mem_ctx, struct ldb_context *ldb);
NTSTATUS gp_check_refresh_gpo(TALLOC_CTX *mem_ctx, struct ldb_context *ldb);
@@ -53,4 +70,10 @@ NTSTATUS gp_init(TALLOC_CTX *mem_ctx,
struct tevent_context *ev_ctx,
struct gp_context **gp_ctx);
NTSTATUS gp_list_all_gpos(struct gp_context *gp_ctx, struct gp_object ***ret);
+NTSTATUS gp_get_gpo_info(struct gp_context *gp_ctx, const char *name, struct gp_object **ret);
+NTSTATUS gp_get_gplinks(struct gp_context *gp_ctx, const char *req_dn, struct gp_link ***ret);
+
+NTSTATUS gp_get_gplink_options(TALLOC_CTX *mem_ctx, uint32_t flags, const char ***ret);
+NTSTATUS gp_get_gpo_flags(TALLOC_CTX *mem_ctx, uint32_t flags, const char ***ret);
+
#endif
diff --git a/source4/libgpo/gpo_ldap.c b/source4/libgpo/gpo_ldap.c
index dd8a26bfc1..96a746c72b 100644
--- a/source4/libgpo/gpo_ldap.c
+++ b/source4/libgpo/gpo_ldap.c
@@ -27,15 +27,118 @@
#include "libnet/libnet.h"
#include "gpo.h"
+struct gpo_stringmap {
+ const char *str;
+ uint32_t flags;
+};
+static const struct gpo_stringmap gplink_options [] = {
+ { "GPLINK_OPT_DISABLE", GPLINK_OPT_DISABLE },
+ { "GPLINK_OPT_ENFORCE", GPLINK_OPT_ENFORCE },
+ { NULL, 0 }
+};
+static const struct gpo_stringmap gpo_flags [] = {
+ { "GPO_FLAG_USER_DISABLE", GPO_FLAG_USER_DISABLE },
+ { "GPO_FLAG_MACHINE_DISABLE", GPO_FLAG_MACHINE_DISABLE },
+ { NULL, 0 }
+};
+static const struct gpo_stringmap gpo_inheritance [] = {
+ { "GPO_INHERIT", GPO_INHERIT },
+ { "GPO_BLOCK_INHERITANCE", GPO_BLOCK_INHERITANCE },
+ { NULL, 0 }
+};
+
+static NTSTATUS parse_gpo(TALLOC_CTX *mem_ctx, struct ldb_message *msg, struct gp_object **ret)
+{
+ unsigned int i;
+ struct gp_object *gpo = talloc(mem_ctx, struct gp_object);
+ gpo->dn = ldb_dn_get_linearized(msg->dn);
+
+ DEBUG(9, ("Parsing GPO LDAP data for %s\n", gpo->dn));
+ for (i = 0; i < msg->num_elements; i++) {
+ struct ldb_message_element *element = &msg->elements[i];
+
+ if (strcmp(element->name, "displayName") == 0) {
+ SMB_ASSERT(element->num_values > 0);
+ gpo->display_name = talloc_strdup(gpo, (char *)element->values[0].data);
+ DEBUG(10, ("Found displayname: %s\n", gpo->display_name));
+ }
+ if (strcmp(element->name, "name") == 0) {
+ SMB_ASSERT(element->num_values > 0);
+ gpo->name = talloc_strdup(gpo, (char *)element->values[0].data);
+ DEBUG(10, ("Found name: %s\n", gpo->name));
+ }
+ if (strcmp(element->name, "flags") == 0) {
+ char *end;
+ SMB_ASSERT(element->num_values > 0);
+ gpo->flags = (uint32_t) strtoll((char *)element->values[0].data, &end, 0);
+ SMB_ASSERT(*end == 0);
+ DEBUG(10, ("Found flags: %d\n", gpo->flags));
+ }
+ if (strcmp(element->name, "versionNumber") == 0) {
+ char *end;
+ SMB_ASSERT(element->num_values > 0);
+ gpo->version = (uint32_t) strtoll((char *)element->values[0].data, &end, 0);
+ SMB_ASSERT(*end == 0);
+ DEBUG(10, ("Found version: %d\n", gpo->version));
+ }
+ if (strcmp(element->name, "gPCFileSysPath") == 0) {
+ SMB_ASSERT(element->num_values > 0);
+ gpo->file_sys_path = talloc_strdup(gpo, (char *)element->values[0].data);
+ DEBUG(10, ("Found file system path: %s\n", gpo->file_sys_path));
+ }
+ }
+
+ *ret = gpo;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS gp_get_gpo_flags(TALLOC_CTX *mem_ctx, uint32_t flags, const char ***ret)
+{
+ unsigned int i, count=0;
+ const char **flag_strs = talloc_array(mem_ctx, const char *, 1);
+
+ flag_strs[0] = NULL;
+
+ for (i = 0; gpo_flags[i].str != NULL; i++) {
+ if (flags & gpo_flags[i].flags) {
+ flag_strs = talloc_realloc(mem_ctx, flag_strs, const char *, count+2);
+ flag_strs[count] = gpo_flags[i].str;
+ flag_strs[count+1] = NULL;
+ count++;
+ }
+ }
+ *ret = flag_strs;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS gp_get_gplink_options(TALLOC_CTX *mem_ctx, uint32_t options, const char ***ret)
+{
+ unsigned int i, count=0;
+ const char **flag_strs = talloc_array(mem_ctx, const char *, 1);
+
+ flag_strs[0] = NULL;
+
+ for (i = 0; gplink_options[i].str != NULL; i++) {
+ if (options & gplink_options[i].flags) {
+ flag_strs = talloc_realloc(mem_ctx, flag_strs, const char *, count+2);
+ flag_strs[count] = gplink_options[i].str;
+ flag_strs[count+1] = NULL;
+ count++;
+ }
+ }
+ *ret = flag_strs;
+ return NT_STATUS_OK;
+}
+
NTSTATUS gp_init(TALLOC_CTX *mem_ctx,
- struct loadparm_context *lp_ctx,
- struct cli_credentials *credentials,
- struct tevent_context *ev_ctx,
- struct gp_context **gp_ctx)
+ struct loadparm_context *lp_ctx,
+ struct cli_credentials *credentials,
+ struct tevent_context *ev_ctx,
+ struct gp_context **gp_ctx)
{
- struct libnet_LookupDCs *io;
- char *url;
+ struct libnet_LookupDCs *io;
+ char *url;
struct libnet_context *net_ctx;
struct ldb_context *ldb_ctx;
NTSTATUS rv;
@@ -44,26 +147,27 @@ NTSTATUS gp_init(TALLOC_CTX *mem_ctx,
net_ctx = libnet_context_init(ev_ctx, lp_ctx);
net_ctx->cred = credentials;
- /* Prepare libnet lookup structure for looking a DC (PDC is correct). */
- io = talloc_zero(mem_ctx, struct libnet_LookupDCs);
- io->in.name_type = NBT_NAME_PDC;
- io->in.domain_name = lp_workgroup(lp_ctx);
+ /* Prepare libnet lookup structure for looking a DC (PDC is correct). */
+ io = talloc_zero(mem_ctx, struct libnet_LookupDCs);
+ io->in.name_type = NBT_NAME_PDC;
+ io->in.domain_name = lp_workgroup(lp_ctx);
/* Find Active DC's */
- rv = libnet_LookupDCs(net_ctx, mem_ctx, io);
+ rv = libnet_LookupDCs(net_ctx, mem_ctx, io);
if (!NT_STATUS_IS_OK(rv)) {
DEBUG(0, ("Failed to lookup DCs in domain\n"));
return rv;
}
/* Connect to ldap://DC_NAME with all relevant contexts*/
- url = talloc_asprintf(mem_ctx, "ldap://%s", io->out.dcs[0].name);
+ url = talloc_asprintf(mem_ctx, "ldap://%s", io->out.dcs[0].name);
ldb_ctx = ldb_wrap_connect(mem_ctx, net_ctx->event_ctx, lp_ctx,
url, NULL, net_ctx->cred, 0);
- if (ldb_ctx == NULL) {
- return NT_STATUS_UNSUCCESSFUL;
- }
+ if (ldb_ctx == NULL) {
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ /* We don't need to keep the libnet context */
talloc_free(net_ctx);
*gp_ctx = talloc_zero(mem_ctx, struct gp_context);
@@ -71,25 +175,28 @@ NTSTATUS gp_init(TALLOC_CTX *mem_ctx,
(*gp_ctx)->credentials = credentials;
(*gp_ctx)->ev_ctx = ev_ctx;
(*gp_ctx)->ldb_ctx = ldb_ctx;
- return NT_STATUS_OK;
-
+ return NT_STATUS_OK;
}
NTSTATUS gp_list_all_gpos(struct gp_context *gp_ctx, struct gp_object ***ret)
{
struct ldb_result *result;
int rv;
+ NTSTATUS status;
TALLOC_CTX *mem_ctx;
struct ldb_dn *dn;
struct gp_object **gpo;
- unsigned int i, j; /* same as in struct ldb_result */
+ unsigned int i; /* same as in struct ldb_result */
/* Create a forked memory context, as a base for everything here */
mem_ctx = talloc_new(gp_ctx);
+
+ /* Create full ldb dn of the policies base object */
dn = ldb_get_default_basedn(gp_ctx->ldb_ctx);
rv = ldb_dn_add_child(dn, ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, "CN=Policies,CN=System"));
if (!rv) {
DEBUG(0, ("Can't append subtree to DN\n"));
+ talloc_free(mem_ctx);
return NT_STATUS_UNSUCCESSFUL;
}
@@ -98,6 +205,7 @@ NTSTATUS gp_list_all_gpos(struct gp_context *gp_ctx, struct gp_object ***ret)
rv = ldb_search(gp_ctx->ldb_ctx, mem_ctx, &result, dn, LDB_SCOPE_ONELEVEL, NULL, "(objectClass=groupPolicyContainer)");
if (rv != LDB_SUCCESS) {
DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv),ldb_errstring(gp_ctx->ldb_ctx)));
+ talloc_free(mem_ctx);
return NT_STATUS_UNSUCCESSFUL;
}
@@ -105,46 +213,161 @@ NTSTATUS gp_list_all_gpos(struct gp_context *gp_ctx, struct gp_object ***ret)
gpo[result->count] = NULL;
for (i = 0; i < result->count; i++) {
- gpo[i] = talloc(gp_ctx, struct gp_object);
+ status = parse_gpo(gp_ctx, result->msgs[i], &gpo[i]);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("Failed to parse GPO.\n"));
+ talloc_free(mem_ctx);
+ return status;
+ }
+ }
+
+ talloc_free(mem_ctx);
+
+ *ret = gpo;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS gp_get_gpo_info(struct gp_context *gp_ctx, const char *name, struct gp_object **ret)
+{
+ struct ldb_result *result;
+ struct ldb_dn *dn;
+ struct gp_object *gpo;
+ int rv;
+ NTSTATUS status;
+ TALLOC_CTX *mem_ctx;
+
+ /* Create a forked memory context, as a base for everything here */
+ mem_ctx = talloc_new(gp_ctx);
+
+ /* Create full ldb dn of the policies base object */
+ dn = ldb_get_default_basedn(gp_ctx->ldb_ctx);
+ rv = ldb_dn_add_child(dn, ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, "CN=Policies,CN=System"));
+ if (!rv) {
+ DEBUG(0, ("Can't append subtree to DN\n"));
+ talloc_free(mem_ctx);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ rv = ldb_search(gp_ctx->ldb_ctx,
+ mem_ctx,
+ &result,
+ dn,
+ LDB_SCOPE_ONELEVEL,
+ NULL,
+ "(&(objectClass=groupPolicyContainer)(name=%s))",
+ name);
+ if (rv != LDB_SUCCESS) {
+ DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv),ldb_errstring(gp_ctx->ldb_ctx)));
+ talloc_free(mem_ctx);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ /* We expect exactly one record */
+ if (result->count != 1) {
+ DEBUG(0, ("Could not find GPC with name %s\n", name));
+ talloc_free(mem_ctx);
+ return NT_STATUS_NOT_FOUND;
+ }
+
+ status = parse_gpo(gp_ctx, result->msgs[0], &gpo);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("Failed to parse GPO.\n"));
+ talloc_free(mem_ctx);
+ return status;
+ }
+
+ talloc_free(mem_ctx);
+
+ *ret = gpo;
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS parse_gplink (TALLOC_CTX *mem_ctx, const char *gplink_str, struct gp_link ***ret)
+{
+ int start, idx=0;
+ int pos;
+ struct gp_link **gplinks;
+ char *buf, *end;
+
+ gplinks = talloc_array(mem_ctx, struct gp_link *, 1);
+
+ /* Assuming every gPLink starts with "[LDAP://" */
+ start = 8;
+
+ for (pos = start; pos < strlen(gplink_str); pos++) {
+ if (gplink_str[pos] == ';') {
+ gplinks = talloc_realloc(mem_ctx, gplinks, struct gp_link *, idx+2);
+ gplinks[idx] = talloc(mem_ctx, struct gp_link);
+ gplinks[idx]->dn = talloc_strndup(mem_ctx,
+ gplink_str + start,
+ pos - start);
+
+ for (start = pos + 1; gplink_str[pos] != ']'; pos++);
+
+ buf = talloc_strndup(mem_ctx, gplink_str + start, pos - start);
+
+ gplinks[idx]->options = (uint32_t) strtoll(buf, &end, 0);
+
+ /* Set the last entry in the array to be NULL */
+ gplinks[idx + 1] = NULL;
+
+ /* Increment the array index, the string position, and the start reference */
+ idx++;
+ pos += 9;
+ start = pos;
+ }
+ }
+
+ *ret = gplinks;
+ return NT_STATUS_OK;
+}
- gpo[i]->dn = ldb_dn_get_linearized(result->msgs[i]->dn);
- DEBUG(9, ("Parsing GPO LDAP data for %s\n", gpo[i]->dn));
+NTSTATUS gp_get_gplinks(struct gp_context *gp_ctx, const char *req_dn, struct gp_link ***ret)
+{
+ TALLOC_CTX *mem_ctx;
+ struct ldb_dn *dn;
+ struct ldb_result *result;
+ struct gp_link **gplinks;
+ char *gplink_str;
+ int rv;
+ unsigned int i, j;
+ NTSTATUS status;
+
+ /* Create a forked memory context, as a base for everything here */
+ mem_ctx = talloc_new(gp_ctx);
+
+ dn = ldb_dn_new(mem_ctx, gp_ctx->ldb_ctx, req_dn);
+
+ rv = ldb_search(gp_ctx->ldb_ctx, mem_ctx, &result, dn, LDB_SCOPE_BASE, NULL, "(objectclass=*)");
+ if (rv != LDB_SUCCESS) {
+ DEBUG(0, ("LDB search failed: %s\n%s\n", ldb_strerror(rv),ldb_errstring(gp_ctx->ldb_ctx)));
+ talloc_free(mem_ctx);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ for (i = 0; i < result->count; i++) {
for (j = 0; j < result->msgs[i]->num_elements; j++) {
struct ldb_message_element *element = &result->msgs[i]->elements[j];
- if (strcmp(element->name, "displayName") == 0) {
- SMB_ASSERT(element->num_values > 0);
- gpo[i]->display_name = talloc_strdup(gp_ctx, (char *)element->values[0].data);
- DEBUG(10, ("Found displayname: %s\n", gpo[i]->display_name));
- }
- if (strcmp(element->name, "name") == 0) {
- SMB_ASSERT(element->num_values > 0);
- gpo[i]->name = talloc_strdup(gp_ctx, (char *)element->values[0].data);
- DEBUG(10, ("Found name: %s\n", gpo[i]->name));
- }
- if (strcmp(element->name, "flags") == 0) {
- char *end;
- SMB_ASSERT(element->num_values > 0);
- gpo[i]->flags = (uint32_t) strtoll((char *)element->values[0].data, &end, 0);
- SMB_ASSERT(*end == 0);
- DEBUG(10, ("Found flags: %d\n", gpo[i]->flags));
- }
- if (strcmp(element->name, "versionNumber") == 0) {
- char *end;
+ if (strcmp(element->name, "gPLink") == 0) {
SMB_ASSERT(element->num_values > 0);
- gpo[i]->version = (uint32_t) strtoll((char *)element->values[0].data, &end, 0);
- SMB_ASSERT(*end == 0);
- DEBUG(10, ("Found version: %d\n", gpo[i]->version));
- }
- if (strcmp(element->name, "gPCFileSysPath") == 0) {
- SMB_ASSERT(element->num_values > 0);
- gpo[i]->file_sys_path = talloc_strdup(gp_ctx, (char *)element->values[0].data);
- DEBUG(10, ("Found file system path: %s\n", gpo[i]->file_sys_path));
+ gplink_str = talloc_strdup(mem_ctx, (char *) element->values[0].data);
+ goto found;
}
}
}
- *ret = gpo;
- talloc_free(mem_ctx);
+ DEBUG(0, ("Object or gPLink attribute not found.\n"));
+ return NT_STATUS_NOT_FOUND;
+
+ found:
+
+ status = parse_gplink(gp_ctx, gplink_str, &gplinks);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("Failed to parse gPLinks\n"));
+ return status;
+ }
+
+ *ret = gplinks;
return NT_STATUS_OK;
}
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