OpenWrt – Rev 4
?pathlinks?
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -1025,7 +1025,7 @@ TEST_LP_LOAD_OBJ = param/test_lp_load.o
PASSWD_UTIL_OBJ = utils/passwd_util.o
-SMBPASSWD_OBJ = utils/smbpasswd.o $(PASSWD_UTIL_OBJ) $(PASSCHANGE_OBJ) \
+SMBPASSWD_OBJ = utils/owrt_smbpasswd.o $(PASSWD_UTIL_OBJ) $(PASSCHANGE_OBJ) \
$(PARAM_OBJ) $(LIBSMB_OBJ) $(PASSDB_OBJ) \
$(GROUPDB_OBJ) $(LIB_NONSMBD_OBJ) $(KRBCLIENT_OBJ) \
$(POPT_LIB_OBJ) $(SMBLDAP_OBJ) \
@@ -1813,7 +1813,7 @@ nmbd/nmbd_multicall.o: nmbd/nmbd.c nmbd/
echo "$(COMPILE_CC_PATH)" 1>&2;\
$(COMPILE_CC_PATH) >/dev/null 2>&1
-utils/smbpasswd_multicall.o: utils/smbpasswd.c utils/smbpasswd.o
+utils/smbpasswd_multicall.o: utils/owrt_smbpasswd.c utils/owrt_smbpasswd.o
@echo Compiling $<.c
@$(COMPILE_CC_PATH) -Dmain=smbpasswd_main && exit 0;\
echo "The following command failed:" 1>&2;\
@@ -1822,7 +1822,7 @@ utils/smbpasswd_multicall.o: utils/smbpa
SMBD_MULTI_O = $(patsubst smbd/server.o,smbd/server_multicall.o,$(SMBD_OBJ))
NMBD_MULTI_O = $(patsubst nmbd/nmbd.o,nmbd/nmbd_multicall.o,$(filter-out $(LIB_DUMMY_OBJ),$(NMBD_OBJ)))
-SMBPASSWD_MULTI_O = $(patsubst utils/smbpasswd.o,utils/smbpasswd_multicall.o,$(filter-out $(LIB_DUMMY_OBJ),$(SMBPASSWD_OBJ)))
+SMBPASSWD_MULTI_O = $(patsubst utils/owrt_smbpasswd.o,utils/smbpasswd_multicall.o,$(filter-out $(LIB_DUMMY_OBJ),$(SMBPASSWD_OBJ)))
MULTI_O = multi.o
MULTICALL_O = $(sort $(SMBD_MULTI_O) $(NMBD_MULTI_O) $(SMBPASSWD_MULTI_O) $(MULTI_O))
--- /dev/null
+++ b/source3/utils/owrt_smbpasswd.c
@@ -0,0 +1,249 @@
+/*
+ * Copyright (C) 2012 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
+ *
+ * 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 <endian.h>
+#include <stdio.h>
+
+static char buf[256];
+
+static void md4hash(const char *passwd, uchar p16[16])
+{
+ int len;
+ smb_ucs2_t wpwd[129];
+ int i;
+
+ len = strlen(passwd);
+ for (i = 0; i < len; i++) {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ wpwd[i] = (unsigned char)passwd[i];
+#else
+ wpwd[i] = (unsigned char)passwd[i] << 8;
+#endif
+ }
+ wpwd[i] = 0;
+
+ len = len * sizeof(int16);
+ mdfour(p16, (unsigned char *)wpwd, len);
+ ZERO_STRUCT(wpwd);
+}
+
+
+static bool find_passwd_line(FILE *fp, const char *user, char **next)
+{
+ char *p1;
+
+ while (!feof(fp)) {
+ if(!fgets(buf, sizeof(buf) - 1, fp))
+ continue;
+
+ p1 = strchr(buf, ':');
+
+ if (p1 - buf != strlen(user))
+ continue;
+
+ if (strncmp(buf, user, p1 - buf) != 0)
+ continue;
+
+ if (next)
+ *next = p1;
+ return true;
+ }
+ return false;
+}
+
+/* returns -1 if user is not present in /etc/passwd*/
+static int find_uid_for_user(const char *user)
+{
+ FILE *fp;
+ char *p1, *p2, *p3;
+ int ret = -1;
+
+ fp = fopen("/etc/passwd", "r");
+ if (!fp) {
+ printf("failed to open /etc/passwd");
+ goto out;
+ }
+
+ if (!find_passwd_line(fp, user, &p1)) {
+ printf("User %s not found or invalid in /etc/passwd\n", user);
+ goto out;
+ }
+
+ p2 = strchr(p1 + 1, ':');
+ if (!p2)
+ goto out;
+
+ p2++;
+ p3 = strchr(p2, ':');
+ if (!p1)
+ goto out;
+
+ *p3 = '\0';
+ ret = atoi(p2);
+
+out:
+ if(fp)
+ fclose(fp);
+ return ret;
+}
+
+static void smbpasswd_write_user(FILE *fp, const char *user, int uid, const char *password)
+{
+ static uchar nt_p16[NT_HASH_LEN];
+ int len = 0;
+ int i;
+
+ md4hash(strdup(password), nt_p16);
+
+ len += snprintf(buf + len, sizeof(buf) - len, "%s:%u:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX:", user, uid);
+ for(i = 0; i < NT_HASH_LEN; i++)
+ len += snprintf(buf + len, sizeof(buf) - len, "%02X", nt_p16[i]);
+
+ snprintf(buf + len, sizeof(buf) - len, ":[U ]:LCT-00000001:\n");
+ fputs(buf, fp);
+}
+
+static void smbpasswd_delete_user(FILE *fp)
+{
+ fpos_t r_pos, w_pos;
+ int len = strlen(buf);
+
+ fgetpos(fp, &r_pos);
+ fseek(fp, -len, SEEK_CUR);
+ fgetpos(fp, &w_pos);
+ fsetpos(fp, &r_pos);
+
+ while (fgets(buf, sizeof(buf) - 1, fp)) {
+ int cur_len = strlen(buf);
+
+ fsetpos(fp, &w_pos);
+ fputs(buf, fp);
+ fgetpos(fp, &w_pos);
+
+ fsetpos(fp, &r_pos);
+ fseek(fp, cur_len, SEEK_CUR);
+ fgetpos(fp, &r_pos);
+ }
+
+ fsetpos(fp, &w_pos);
+ ftruncate(fileno(fp), ftello(fp));
+}
+
+static int usage(const char *progname)
+{
+ fprintf(stderr,
+ "Usage: %s [options] <username>\n"
+ "\n"
+ "Options:\n"
+ " -s read password from stdin\n"
+ " -a add user\n"
+ " -x delete user\n",
+ progname);
+ return 1;
+}
+
+int main(int argc, char **argv)
+{
+ const char *prog = argv[0];
+ const char *user;
+ char *pw1, *pw2;
+ FILE *fp;
+ bool add = false, delete = false, get_stdin = false, found;
+ int ch;
+ int uid;
+
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ while ((ch = getopt(argc, argv, "asx")) != EOF) {
+ switch (ch) {
+ case 's':
+ get_stdin = true;
+ break;
+ case 'a':
+ add = true;
+ break;
+ case 'x':
+ delete = true;
+ break;
+ default:
+ return usage(prog);
+ }
+ }
+
+ if (add && delete)
+ return usage(prog);
+
+ argc -= optind;
+ argv += optind;
+
+ if (!argc)
+ return usage(prog);
+
+ user = argv[0];
+ if (!delete) {
+ uid = find_uid_for_user(user);
+ if (uid < 0) {
+ fprintf(stderr, "Could not find user '%s' in /etc/passwd\n", user);
+ return 2;
+ }
+ }
+
+ fp = fopen("/etc/samba/smbpasswd", "r+");
+ if(!fp) {
+ fprintf(stderr, "Failed to open /etc/samba/smbpasswd");
+ return 3;
+ }
+
+ found = find_passwd_line(fp, user, NULL);
+ if (!add && !found) {
+ fprintf(stderr, "Could not find user '%s' in /etc/samba/smbpasswd\n", user);
+ return 3;
+ }
+
+ if (delete) {
+ smbpasswd_delete_user(fp);
+ goto out;
+ }
+
+ pw1 = get_pass("New SMB password:", get_stdin);
+ if (!pw1)
+ pw1 = strdup("");
+
+ pw2 = get_pass("Retype SMB password:", get_stdin);
+ if (!pw2)
+ pw2 = strdup("");
+
+ if (strcmp(pw1, pw2) != 0) {
+ fprintf(stderr, "Mismatch - password unchanged.\n");
+ goto out_free;
+ }
+
+ if (found)
+ fseek(fp, -strlen(buf), SEEK_CUR);
+ smbpasswd_write_user(fp, user, uid, pw2);
+
+out_free:
+ free(pw1);
+ free(pw2);
+out:
+ fclose(fp);
+ TALLOC_FREE(frame);
+
+ return 0;
+}
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