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-rw-r--r--source4/libcli/security/config.mk18
-rw-r--r--source4/libcli/security/dom_sid.c242
-rw-r--r--source4/libcli/security/security_descriptor.c102
-rw-r--r--source4/libcli/security/security_token.c56
4 files changed, 418 insertions, 0 deletions
diff --git a/source4/libcli/security/config.mk b/source4/libcli/security/config.mk
new file mode 100644
index 0000000000..908a993ce6
--- /dev/null
+++ b/source4/libcli/security/config.mk
@@ -0,0 +1,18 @@
+#################################
+# Start SUBSYSTEM LIB_SECURITY_NDR
+[SUBSYSTEM::LIB_SECURITY_NDR]
+ADD_OBJ_FILES = librpc/gen_ndr/ndr_security.o
+NOPROTO = YES
+# End SUBSYSTEM LIB_SECURITY_NDR
+#################################
+
+#################################
+# Start SUBSYSTEM LIB_SECURITY
+[SUBSYSTEM::LIB_SECURITY]
+ADD_OBJ_FILES = libcli/security/security_token.o \
+ libcli/security/security_descriptor.o \
+ libcli/security/dom_sid.o \
+ librpc/ndr/ndr_sec.o
+REQUIRED_SUBSYSTEMS = LIB_SECURITY_NDR
+# End SUBSYSTEM LIB_SECURITY
+#################################
diff --git a/source4/libcli/security/dom_sid.c b/source4/libcli/security/dom_sid.c
new file mode 100644
index 0000000000..701fa88017
--- /dev/null
+++ b/source4/libcli/security/dom_sid.c
@@ -0,0 +1,242 @@
+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+ Copyright (C) Andrew Tridgell 1992-2004
+ Copyright (C) Luke Kenneth Caseson Leighton 1998-1999
+ Copyright (C) Jeremy Allison 1999
+ Copyright (C) Stefan (metze) Metzmacher 2002-2004
+ Copyright (C) Simo Sorce 2002
+
+ 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 "librpc/gen_ndr/ndr_security.h"
+
+/*****************************************************************
+ Compare the auth portion of two sids.
+*****************************************************************/
+
+static int dom_sid_compare_auth(const struct dom_sid *sid1, const struct dom_sid *sid2)
+{
+ int i;
+
+ if (sid1 == sid2)
+ return 0;
+ if (!sid1)
+ return -1;
+ if (!sid2)
+ return 1;
+
+ if (sid1->sid_rev_num != sid2->sid_rev_num)
+ return sid1->sid_rev_num - sid2->sid_rev_num;
+
+ for (i = 0; i < 6; i++)
+ if (sid1->id_auth[i] != sid2->id_auth[i])
+ return sid1->id_auth[i] - sid2->id_auth[i];
+
+ return 0;
+}
+
+/*****************************************************************
+ Compare two sids.
+*****************************************************************/
+
+static int dom_sid_compare(const struct dom_sid *sid1, const struct dom_sid *sid2)
+{
+ int i;
+
+ if (sid1 == sid2)
+ return 0;
+ if (!sid1)
+ return -1;
+ if (!sid2)
+ return 1;
+
+ /* Compare most likely different rids, first: i.e start at end */
+ if (sid1->num_auths != sid2->num_auths)
+ return sid1->num_auths - sid2->num_auths;
+
+ for (i = sid1->num_auths-1; i >= 0; --i)
+ if (sid1->sub_auths[i] != sid2->sub_auths[i])
+ return sid1->sub_auths[i] - sid2->sub_auths[i];
+
+ return dom_sid_compare_auth(sid1, sid2);
+}
+
+/*****************************************************************
+ Compare two sids.
+*****************************************************************/
+
+BOOL dom_sid_equal(const struct dom_sid *sid1, const struct dom_sid *sid2)
+{
+ return dom_sid_compare(sid1, sid2) == 0;
+}
+
+/*
+ convert a dom_sid to a string
+*/
+char *dom_sid_string(TALLOC_CTX *mem_ctx, const struct dom_sid *sid)
+{
+ int i, ofs, maxlen;
+ uint32_t ia;
+ char *ret;
+
+ if (!sid) {
+ return talloc_strdup(mem_ctx, "(NULL SID)");
+ }
+
+ maxlen = sid->num_auths * 11 + 25;
+ ret = talloc(mem_ctx, maxlen);
+ if (!ret) return talloc_strdup(mem_ctx, "(SID ERR)");
+
+ ia = (sid->id_auth[5]) +
+ (sid->id_auth[4] << 8 ) +
+ (sid->id_auth[3] << 16) +
+ (sid->id_auth[2] << 24);
+
+ ofs = snprintf(ret, maxlen, "S-%u-%lu",
+ (uint_t)sid->sid_rev_num, (unsigned long)ia);
+
+ for (i = 0; i < sid->num_auths; i++) {
+ ofs += snprintf(ret + ofs, maxlen - ofs, "-%lu", (unsigned long)sid->sub_auths[i]);
+ }
+
+ return ret;
+}
+
+
+/*
+ convert a string to a dom_sid, returning a talloc'd dom_sid
+*/
+struct dom_sid *dom_sid_parse_talloc(TALLOC_CTX *mem_ctx, const char *sidstr)
+{
+ struct dom_sid *ret;
+ uint_t rev, ia, num_sub_auths, i;
+ char *p;
+
+ if (strncasecmp(sidstr, "S-", 2)) {
+ return NULL;
+ }
+
+ sidstr += 2;
+
+ rev = strtol(sidstr, &p, 10);
+ if (*p != '-') {
+ return NULL;
+ }
+ sidstr = p+1;
+
+ ia = strtol(sidstr, &p, 10);
+ if (p == sidstr) {
+ return NULL;
+ }
+ sidstr = p;
+
+ num_sub_auths = 0;
+ for (i=0;sidstr[i];i++) {
+ if (sidstr[i] == '-') num_sub_auths++;
+ }
+
+ ret = talloc_p(mem_ctx, struct dom_sid);
+ if (!ret) {
+ return NULL;
+ }
+
+ ret->sub_auths = talloc_array_p(mem_ctx, uint32_t, num_sub_auths);
+ if (!ret->sub_auths) {
+ return NULL;
+ }
+
+ ret->sid_rev_num = rev;
+ ret->id_auth[0] = 0;
+ ret->id_auth[1] = 0;
+ ret->id_auth[2] = ia >> 24;
+ ret->id_auth[3] = ia >> 16;
+ ret->id_auth[4] = ia >> 8;
+ ret->id_auth[5] = ia;
+ ret->num_auths = num_sub_auths;
+
+ for (i=0;i<num_sub_auths;i++) {
+ if (sidstr[0] != '-') {
+ return NULL;
+ }
+ sidstr++;
+ ret->sub_auths[i] = strtoul(sidstr, &p, 10);
+ if (p == sidstr) {
+ return NULL;
+ }
+ sidstr = p;
+ }
+
+ return ret;
+}
+
+/*
+ convert a string to a dom_sid, returning a talloc'd dom_sid
+*/
+struct dom_sid *dom_sid_dup(TALLOC_CTX *mem_ctx, const struct dom_sid *dom_sid)
+{
+ struct dom_sid *ret;
+ int i;
+ ret = talloc_p(mem_ctx, struct dom_sid);
+ if (!ret) {
+ return NULL;
+ }
+
+ ret->sub_auths = talloc_array_p(mem_ctx, uint32_t, dom_sid->num_auths);
+ if (!ret->sub_auths) {
+ return NULL;
+ }
+
+ ret->sid_rev_num = dom_sid->sid_rev_num;
+ ret->id_auth[0] = dom_sid->id_auth[0];
+ ret->id_auth[1] = dom_sid->id_auth[1];
+ ret->id_auth[2] = dom_sid->id_auth[2];
+ ret->id_auth[3] = dom_sid->id_auth[3];
+ ret->id_auth[4] = dom_sid->id_auth[4];
+ ret->id_auth[5] = dom_sid->id_auth[5];
+ ret->num_auths = dom_sid->num_auths;
+
+ for (i=0;i<dom_sid->num_auths;i++) {
+ ret->sub_auths[i] = dom_sid->sub_auths[i];
+ }
+
+ return ret;
+}
+
+/*
+ add a rid to a domain dom_sid to make a full dom_sid
+*/
+struct dom_sid *dom_sid_add_rid(TALLOC_CTX *mem_ctx,
+ const struct dom_sid *domain_sid,
+ uint32_t rid)
+{
+ struct dom_sid *sid;
+
+ sid = talloc_p(mem_ctx, struct dom_sid);
+ if (!sid) return NULL;
+
+ *sid = *domain_sid;
+ /*TODO: use realloc! */
+ sid->sub_auths = talloc_array_p(mem_ctx, uint32_t, sid->num_auths+1);
+ if (!sid->sub_auths) {
+ return NULL;
+ }
+ memcpy(sid->sub_auths, domain_sid->sub_auths, sid->num_auths*sizeof(uint32_t));
+ sid->sub_auths[sid->num_auths] = rid;
+ sid->num_auths++;
+ return sid;
+}
diff --git a/source4/libcli/security/security_descriptor.c b/source4/libcli/security/security_descriptor.c
new file mode 100644
index 0000000000..255836066a
--- /dev/null
+++ b/source4/libcli/security/security_descriptor.c
@@ -0,0 +1,102 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ security descriptror utility functions
+
+ 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 "librpc/gen_ndr/ndr_security.h"
+
+/*
+ return a blank security descriptor (no owners, dacl or sacl)
+*/
+struct security_descriptor *security_descriptor_initialise(TALLOC_CTX *mem_ctx)
+{
+ struct security_descriptor *sd;
+
+ sd = talloc_p(mem_ctx, struct security_descriptor);
+ if (!sd) {
+ return NULL;
+ }
+
+ sd->revision = SD_REVISION;
+ /* we mark as self relative, even though it isn't while it remains
+ a pointer in memory because this simplifies the ndr code later.
+ All SDs that we store/emit are in fact SELF_RELATIVE
+ */
+ sd->type = SEC_DESC_SELF_RELATIVE;
+
+ sd->owner_sid = NULL;
+ sd->group_sid = NULL;
+ sd->sacl = NULL;
+ sd->dacl = NULL;
+
+ return sd;
+}
+
+/*
+ talloc and copy a security descriptor
+ */
+struct security_descriptor *security_descriptor_copy(TALLOC_CTX *mem_ctx,
+ const struct security_descriptor *osd)
+{
+ struct security_descriptor *nsd;
+
+ /* FIXME */
+ DEBUG(1, ("security_descriptor_copy(): sorry unimplemented yet\n"));
+ nsd = NULL;
+
+ return nsd;
+}
+
+NTSTATUS security_check_dacl(struct security_token *st, struct security_descriptor *sd, uint32 access_mask)
+{
+ size_t i,y;
+ NTSTATUS status = NT_STATUS_ACCESS_DENIED;
+
+ DEBUG(1, ("security_check_dacl(): sorry untested yet\n"));
+ return status;
+
+ if (!sd->dacl) {
+ return NT_STATUS_INVALID_ACL;
+ }
+
+ for (i=0; i < st->num_sids; i++) {
+ for (y=0; y < sd->dacl->num_aces; y++) {
+ if (dom_sid_equal(&st->sids[i], &sd->dacl->aces[y].trustee)) {
+ switch (sd->dacl->aces[y].type) {
+ case SEC_ACE_TYPE_ACCESS_ALLOWED:
+ if (access_mask & sd->dacl->aces[y].access_mask) {
+ status = NT_STATUS_OK;
+ }
+ break;
+ case SEC_ACE_TYPE_ACCESS_DENIED:
+ if (access_mask & sd->dacl->aces[y].access_mask) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+ break;
+ default:
+ return NT_STATUS_INVALID_ACL;
+ }
+ }
+ }
+ }
+
+ return status;
+}
diff --git a/source4/libcli/security/security_token.c b/source4/libcli/security/security_token.c
new file mode 100644
index 0000000000..9e26f5a385
--- /dev/null
+++ b/source4/libcli/security/security_token.c
@@ -0,0 +1,56 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ security descriptror utility functions
+
+ 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 "librpc/gen_ndr/ndr_security.h"
+
+/*
+ return a blank security descriptor (no owners, dacl or sacl)
+*/
+struct security_token *security_token_initialise(TALLOC_CTX *mem_ctx)
+{
+ struct security_token *st;
+
+ st = talloc_p(mem_ctx, struct security_token);
+ if (!st) {
+ return NULL;
+ }
+
+ st->flags = 0;
+
+ st->user_sid = NULL;
+ st->group_sid = NULL;
+ st->logon_sid = NULL;
+
+ st->num_sids = 0;
+ st->sids = NULL;
+
+ st->num_restricted_sids = 0;
+ st->restricted_sids = NULL;
+
+ st->num_privileges = 0;
+ st->privileges = NULL;
+
+ st->dacl = NULL;
+
+ return st;
+}
generated by cgit (git 2.34.1) at 2024-11-23 19:56:00 +0000