Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 154 insertions, 0 deletions

diff --git a/source3/winbindd/winbindd_group.c b/source3/winbindd/winbindd_group.c
new file mode 100644
index 0000000..a90889e
--- /dev/null
+++ b/source3/winbindd/winbindd_group.c
@@ -0,0 +1,154 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind daemon for ntdom nss module
+
+   Copyright (C) Tim Potter 2000
+   Copyright (C) Jeremy Allison 2001.
+   Copyright (C) Gerald (Jerry) Carter 2003.
+   Copyright (C) Volker Lendecke 2005
+
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "winbindd.h"
+#include "lib/dbwrap/dbwrap.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_WINBIND
+
+/* Fill a grent structure from various other information */
+
+bool fill_grent(TALLOC_CTX *mem_ctx, struct winbindd_gr *gr,
+		const char *dom_name, const char *gr_name, gid_t unix_gid)
+{
+	const char *full_group_name;
+	char *mapped_name = NULL;
+	NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
+
+	nt_status = normalize_name_map(mem_ctx, dom_name, gr_name,
+				       &mapped_name);
+
+	D_DEBUG("Filling domain '%s' and group '%s'.\n", dom_name, gr_name);
+	/* Basic whitespace replacement */
+	if (NT_STATUS_IS_OK(nt_status)) {
+		full_group_name = fill_domain_username_talloc(mem_ctx, dom_name,
+				     mapped_name, true);
+	}
+	/* Mapped to an aliase */
+	else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_FILE_RENAMED)) {
+		full_group_name = mapped_name;
+	}
+	/* no change */
+	else {
+		full_group_name = fill_domain_username_talloc(mem_ctx, dom_name,
+				      gr_name, True );
+	}
+
+	if (full_group_name == NULL) {
+		D_DEBUG("Returning false, since there is no full group name.\n");
+		return false;
+	}
+
+	gr->gr_gid = unix_gid;
+
+	/* Group name and password */
+
+	strlcpy(gr->gr_name, full_group_name, sizeof(gr->gr_name));
+	strlcpy(gr->gr_passwd, "x", sizeof(gr->gr_passwd));
+
+	D_DEBUG("Returning true. Full group name is '%s'.\n", gr_name);
+	return True;
+}
+
+struct getgr_countmem {
+	int num;
+	size_t len;
+};
+
+static int getgr_calc_memberlen(struct db_record *rec, void *private_data)
+{
+	struct getgr_countmem *buf = private_data;
+	TDB_DATA data = dbwrap_record_get_value(rec);
+	size_t len;
+
+	buf->num += 1;
+
+	len = buf->len + data.dsize;
+	if (len < buf->len) {
+		return 0;
+	}
+	buf->len = len;
+	return 0;
+}
+
+struct getgr_stringmem {
+	size_t ofs;
+	char *buf;
+};
+
+static int getgr_unparse_members(struct db_record *rec, void *private_data)
+{
+	struct getgr_stringmem *buf = private_data;
+	TDB_DATA data = dbwrap_record_get_value(rec);
+	int len;
+
+	len = data.dsize-1;
+
+	memcpy(buf->buf + buf->ofs, data.dptr, len);
+	buf->ofs += len;
+	buf->buf[buf->ofs] = ',';
+	buf->ofs += 1;
+	return 0;
+}
+
+NTSTATUS winbindd_print_groupmembers(struct db_context *members,
+				     TALLOC_CTX *mem_ctx,
+				     int *num_members, char **result)
+{
+	struct getgr_countmem c;
+	struct getgr_stringmem m;
+	int count;
+	NTSTATUS status;
+
+	c.num = 0;
+	c.len = 0;
+
+	status = dbwrap_traverse(members, getgr_calc_memberlen, &c, &count);
+	if (!NT_STATUS_IS_OK(status)) {
+		DBG_NOTICE("dbwrap_traverse failed: %s\n", nt_errstr(status));
+		return status;
+	}
+
+	m.ofs = 0;
+	m.buf = talloc_array(mem_ctx, char, c.len);
+	if (m.buf == NULL) {
+		D_WARNING("talloc failed\n");
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	status = dbwrap_traverse(members, getgr_unparse_members, &m, &count);
+	if (!NT_STATUS_IS_OK(status)) {
+		TALLOC_FREE(m.buf);
+		DBG_NOTICE("dbwrap_traverse failed: %s\n", nt_errstr(status));
+		return status;
+	}
+	m.buf[c.len-1] = '\0';
+
+	*num_members = c.num;
+	*result = m.buf;
+	D_DEBUG("Returning %d member(s).\n", *num_members);
+	return NT_STATUS_OK;
+}