/*
* Samba Unix/Linux SMB client library
* Distributed SMB/CIFS Server Management Utility
* Local configuration interface
* Copyright (C) Michael Adam 2007-2008
*
* 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 .
*/
/*
* This is an interface to the Samba's configuration as made available
* by the libnet_conf interface (source/libnet/libnet_conf.c).
*
* This currently supports local interaction with the configuration
* stored in the registry. But other backends and remote access via
* rpc (to registry stored configuration) might get implemented in
* the future.
*/
#include "includes.h"
#include "utils/net.h"
#include "libnet/libnet.h"
/*
* usage functions
*/
static int net_conf_list_usage(int argc, const char **argv)
{
d_printf("USAGE: net conf list\n");
return -1;
}
static int net_conf_import_usage(int argc, const char**argv)
{
d_printf("USAGE: net conf import [--test|-T] "
"[]\n"
"\t[--test|-T] testmode - do not act, just print "
"what would be done\n"
"\t only import service , "
"ignore the rest\n");
return -1;
}
static int net_conf_listshares_usage(int argc, const char **argv)
{
d_printf("USAGE: net conf listshares\n");
return -1;
}
static int net_conf_drop_usage(int argc, const char **argv)
{
d_printf("USAGE: net conf drop\n");
return -1;
}
static int net_conf_showshare_usage(int argc, const char **argv)
{
d_printf("USAGE: net conf showshare \n");
return -1;
}
static int net_conf_addshare_usage(int argc, const char **argv)
{
d_printf("USAGE: net conf addshare "
"[writeable={y|N} [guest_ok={y|N} []]\n"
"\t the new share name.\n"
"\t the path on the filesystem to export.\n"
"\twriteable={y|N} set \"writeable to \"yes\" or "
"\"no\" (default) on this share.\n"
"\tguest_ok={y|N} set \"guest ok\" to \"yes\" or "
"\"no\" (default) on this share.\n"
"\t optional comment for the new share.\n");
return -1;
}
static int net_conf_delshare_usage(int argc, const char **argv)
{
d_printf("USAGE: net conf delshare \n");
return -1;
}
static int net_conf_setparm_usage(int argc, const char **argv)
{
d_printf("USAGE: net conf setparm \n");
return -1;
}
static int net_conf_getparm_usage(int argc, const char **argv)
{
d_printf("USAGE: net conf getparm \n");
return -1;
}
static int net_conf_delparm_usage(int argc, const char **argv)
{
d_printf("USAGE: net conf delparm \n");
return -1;
}
/*
* Helper functions
*/
static char *parm_valstr(TALLOC_CTX *ctx, struct parm_struct *parm,
struct share_params *share)
{
char *valstr = NULL;
int i = 0;
void *ptr = parm->ptr;
if (parm->p_class == P_LOCAL && share->service >= 0) {
ptr = lp_local_ptr(share->service, ptr);
}
switch (parm->type) {
case P_CHAR:
valstr = talloc_asprintf(ctx, "%c", *(char *)ptr);
break;
case P_STRING:
case P_USTRING:
valstr = talloc_asprintf(ctx, "%s", *(char **)ptr);
break;
case P_BOOL:
valstr = talloc_asprintf(ctx, "%s", BOOLSTR(*(bool *)ptr));
break;
case P_BOOLREV:
valstr = talloc_asprintf(ctx, "%s", BOOLSTR(!*(bool *)ptr));
break;
case P_ENUM:
for (i = 0; parm->enum_list[i].name; i++) {
if (*(int *)ptr == parm->enum_list[i].value)
{
valstr = talloc_asprintf(ctx, "%s",
parm->enum_list[i].name);
break;
}
}
break;
case P_OCTAL: {
char *o = octal_string(*(int *)ptr);
valstr = talloc_move(ctx, &o);
break;
}
case P_LIST:
valstr = talloc_strdup(ctx, "");
if ((char ***)ptr && *(char ***)ptr) {
char **list = *(char ***)ptr;
for (; *list; list++) {
/* surround strings with whitespace
* in double quotes */
if (strchr_m(*list, ' '))
{
valstr = talloc_asprintf_append(
valstr, "\"%s\"%s",
*list,
((*(list+1))?", ":""));
} else {
valstr = talloc_asprintf_append(
valstr, "%s%s", *list,
((*(list+1))?", ":""));
}
}
}
break;
case P_INTEGER:
valstr = talloc_asprintf(ctx, "%d", *(int *)ptr);
break;
case P_SEP:
break;
default:
valstr = talloc_asprintf(ctx, "\n");
break;
}
return valstr;
}
static int import_process_service(TALLOC_CTX *ctx,
struct share_params *share)
{
int ret = -1;
struct parm_struct *parm;
int pnum = 0;
const char *servicename;
WERROR werr;
char *valstr = NULL;
TALLOC_CTX *tmp_ctx = NULL;
tmp_ctx = talloc_new(ctx);
if (tmp_ctx == NULL) {
werr = WERR_NOMEM;
goto done;
}
servicename = (share->service == GLOBAL_SECTION_SNUM)?
GLOBAL_NAME : lp_servicename(share->service);
if (opt_testmode) {
d_printf("[%s]\n", servicename);
} else {
if (libnet_conf_share_exists(servicename)) {
werr = libnet_conf_delete_share(servicename);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
}
}
while ((parm = lp_next_parameter(share->service, &pnum, 0)))
{
if ((share->service < 0) && (parm->p_class == P_LOCAL)
&& !(parm->flags & FLAG_GLOBAL))
{
continue;
}
valstr = parm_valstr(tmp_ctx, parm, share);
if (parm->type != P_SEP) {
if (opt_testmode) {
d_printf("\t%s = %s\n", parm->label, valstr);
} else {
werr = libnet_conf_set_parameter(servicename,
parm->label,
valstr);
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr,
"Error setting parameter '%s'"
": %s\n", parm->label,
dos_errstr(werr));
goto done;
}
}
}
}
if (opt_testmode) {
d_printf("\n");
}
ret = 0;
done:
TALLOC_FREE(tmp_ctx);
return ret;
}
/* return true iff there are nondefault globals */
static bool globals_exist(void)
{
int i = 0;
struct parm_struct *parm;
while ((parm = lp_next_parameter(GLOBAL_SECTION_SNUM, &i, 0)) != NULL) {
if (parm->type != P_SEP) {
return true;
}
}
return false;
}
/*
* the conf functions
*/
static int net_conf_list(int argc, const char **argv)
{
WERROR werr = WERR_OK;
int ret = -1;
TALLOC_CTX *ctx;
uint32_t num_shares;
char **share_names;
uint32_t *num_params;
char ***param_names;
char ***param_values;
uint32_t share_count, param_count;
ctx = talloc_init("list");
if (argc != 0) {
net_conf_list_usage(argc, argv);
goto done;
}
werr = libnet_conf_get_config(ctx, &num_shares, &share_names,
&num_params, ¶m_names,
¶m_values);
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error getting config: %s\n",
dos_errstr(werr));
goto done;
}
for (share_count = 0; share_count < num_shares; share_count++) {
d_printf("[%s]\n", share_names[share_count]);
for (param_count = 0; param_count < num_params[share_count];
param_count++)
{
d_printf("\t%s = %s\n",
param_names[share_count][param_count],
param_values[share_count][param_count]);
}
d_printf("\n");
}
ret = 0;
done:
TALLOC_FREE(ctx);
return ret;
}
static int net_conf_import(int argc, const char **argv)
{
int ret = -1;
const char *filename = NULL;
const char *servicename = NULL;
bool service_found = false;
TALLOC_CTX *ctx;
struct share_iterator *shares;
struct share_params *share;
struct share_params global_share = { GLOBAL_SECTION_SNUM };
ctx = talloc_init("net_conf_import");
switch (argc) {
case 0:
default:
net_conf_import_usage(argc, argv);
goto done;
case 2:
servicename = argv[1];
case 1:
filename = argv[0];
break;
}
DEBUG(3,("net_conf_import: reading configuration from file %s.\n",
filename));
if (!lp_load(filename,
false, /* global_only */
true, /* save_defaults */
false, /* add_ipc */
true)) /* initialize_globals */
{
d_fprintf(stderr, "Error parsing configuration file.\n");
goto done;
}
if (opt_testmode) {
d_printf("\nTEST MODE - "
"would import the following configuration:\n\n");
}
if (((servicename == NULL) && globals_exist()) ||
strequal(servicename, GLOBAL_NAME))
{
service_found = true;
if (import_process_service(ctx, &global_share) != 0) {
goto done;
}
}
if (service_found && (servicename != NULL)) {
ret = 0;
goto done;
}
if (!(shares = share_list_all(ctx))) {
d_fprintf(stderr, "Could not list shares...\n");
goto done;
}
while ((share = next_share(shares)) != NULL) {
if ((servicename == NULL)
|| strequal(servicename, lp_servicename(share->service)))
{
service_found = true;
if (import_process_service(ctx, share)!= 0) {
goto done;
}
}
}
if ((servicename != NULL) && !service_found) {
d_printf("Share %s not found in file %s\n",
servicename, filename);
goto done;
}
ret = 0;
done:
TALLOC_FREE(ctx);
return ret;
}
static int net_conf_listshares(int argc, const char **argv)
{
WERROR werr = WERR_OK;
int ret = -1;
uint32_t count, num_shares = 0;
char **share_names = NULL;
TALLOC_CTX *ctx;
ctx = talloc_init("listshares");
if (argc != 0) {
net_conf_listshares_usage(argc, argv);
goto done;
}
werr = libnet_conf_get_share_names(ctx, &num_shares, &share_names);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
for (count = 0; count < num_shares; count++)
{
d_printf("%s\n", share_names[count]);
}
ret = 0;
done:
TALLOC_FREE(ctx);
return ret;
}
static int net_conf_drop(int argc, const char **argv)
{
int ret = -1;
WERROR werr;
if (argc != 0) {
net_conf_drop_usage(argc, argv);
goto done;
}
werr = libnet_conf_drop();
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error deleting configuration: %s\n",
dos_errstr(werr));
goto done;
}
ret = 0;
done:
return ret;
}
static int net_conf_showshare(int argc, const char **argv)
{
int ret = -1;
WERROR werr = WERR_OK;
const char *sharename = NULL;
TALLOC_CTX *ctx;
uint32_t num_params;
uint32_t count;
char **param_names;
char **param_values;
ctx = talloc_init("showshare");
if (argc != 1) {
net_conf_showshare_usage(argc, argv);
goto done;
}
sharename = argv[0];
werr = libnet_conf_get_share(ctx, sharename, &num_params,
¶m_names, ¶m_values);
if (!W_ERROR_IS_OK(werr)) {
d_printf("error getting share parameters: %s\n",
dos_errstr(werr));
goto done;
}
d_printf("[%s]\n", sharename);
for (count = 0; count < num_params; count++) {
d_printf("\t%s = %s\n", param_names[count],
param_values[count]);
}
ret = 0;
done:
TALLOC_FREE(ctx);
return ret;
}
/**
* Add a share, with a couple of standard parameters, partly optional.
*
* This is a high level utility function of the net conf utility,
* not a direct frontend to the libnet_conf API.
*/
static int net_conf_addshare(int argc, const char **argv)
{
int ret = -1;
WERROR werr = WERR_OK;
char *sharename = NULL;
const char *path = NULL;
const char *comment = NULL;
const char *guest_ok = "no";
const char *writeable = "no";
SMB_STRUCT_STAT sbuf;
switch (argc) {
case 0:
case 1:
default:
net_conf_addshare_usage(argc, argv);
goto done;
case 5:
comment = argv[4];
case 4:
if (!strnequal(argv[3], "guest_ok=", 9)) {
net_conf_addshare_usage(argc, argv);
goto done;
}
switch (argv[3][9]) {
case 'y':
case 'Y':
guest_ok = "yes";
break;
case 'n':
case 'N':
guest_ok = "no";
break;
default:
net_conf_addshare_usage(argc, argv);
goto done;
}
case 3:
if (!strnequal(argv[2], "writeable=", 10)) {
net_conf_addshare_usage(argc, argv);
goto done;
}
switch (argv[2][10]) {
case 'y':
case 'Y':
writeable = "yes";
break;
case 'n':
case 'N':
writeable = "no";
break;
default:
net_conf_addshare_usage(argc, argv);
goto done;
}
case 2:
path = argv[1];
sharename = strdup_lower(argv[0]);
break;
}
/*
* validate arguments
*/
/* validate share name */
if (!validate_net_name(sharename, INVALID_SHARENAME_CHARS,
strlen(sharename)))
{
d_fprintf(stderr, "ERROR: share name %s contains "
"invalid characters (any of %s)\n",
sharename, INVALID_SHARENAME_CHARS);
goto done;
}
if (getpwnam(sharename)) {
d_fprintf(stderr, "ERROR: share name %s is already a valid "
"system user name.\n", sharename);
goto done;
}
if (strequal(sharename, GLOBAL_NAME)) {
d_fprintf(stderr,
"ERROR: 'global' is not a valid share name.\n");
goto done;
}
if (libnet_conf_share_exists(sharename)) {
d_fprintf(stderr, "ERROR: share %s already exists.\n",
sharename);
goto done;
}
/* validate path */
if (path[0] != '/') {
d_fprintf(stderr,
"Error: path '%s' is not an absolute path.\n",
path);
goto done;
}
if (sys_stat(path, &sbuf) != 0) {
d_fprintf(stderr,
"ERROR: cannot stat path '%s' to ensure "
"this is a directory.\n"
"Error was '%s'.\n",
path, strerror(errno));
goto done;
}
if (!S_ISDIR(sbuf.st_mode)) {
d_fprintf(stderr,
"ERROR: path '%s' is not a directory.\n",
path);
goto done;
}
/*
* create the share
*/
werr = libnet_conf_create_share(sharename);
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error creating share %s: %s\n",
sharename, dos_errstr(werr));
goto done;
}
/*
* fill the share with parameters
*/
werr = libnet_conf_set_parameter(sharename, "path", path);
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error setting parameter %s: %s\n",
"path", dos_errstr(werr));
goto done;
}
if (comment != NULL) {
werr = libnet_conf_set_parameter(sharename, "comment", comment);
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error setting parameter %s: %s\n",
"comment", dos_errstr(werr));
goto done;
}
}
werr = libnet_conf_set_parameter(sharename, "guest ok", guest_ok);
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error setting parameter %s: %s\n",
"'guest ok'", dos_errstr(werr));
goto done;
}
werr = libnet_conf_set_parameter(sharename, "writeable", writeable);
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error setting parameter %s: %s\n",
"writeable", dos_errstr(werr));
goto done;
}
ret = 0;
done:
SAFE_FREE(sharename);
return ret;
}
static int net_conf_delshare(int argc, const char **argv)
{
int ret = -1;
const char *sharename = NULL;
WERROR werr = WERR_OK;
if (argc != 1) {
net_conf_delshare_usage(argc, argv);
goto done;
}
sharename = argv[0];
werr = libnet_conf_delete_share(sharename);
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error deleting share %s: %s\n",
sharename, dos_errstr(werr));
goto done;
}
ret = 0;
done:
return ret;
}
static int net_conf_setparm(int argc, const char **argv)
{
int ret = -1;
WERROR werr = WERR_OK;
char *service = NULL;
char *param = NULL;
const char *value_str = NULL;
if (argc != 3) {
net_conf_setparm_usage(argc, argv);
goto done;
}
service = strdup_lower(argv[0]);
param = strdup_lower(argv[1]);
value_str = argv[2];
if (!libnet_conf_share_exists(service)) {
werr = libnet_conf_create_share(service);
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error creating share '%s': %s\n",
service, dos_errstr(werr));
goto done;
}
}
werr = libnet_conf_set_parameter(service, param, value_str);
if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error setting value '%s': %s\n",
param, dos_errstr(werr));
goto done;
}
ret = 0;
done:
SAFE_FREE(service);
SAFE_FREE(param);
return ret;
}
static int net_conf_getparm(int argc, const char **argv)
{
int ret = -1;
WERROR werr = WERR_OK;
char *service = NULL;
char *param = NULL;
char *valstr = NULL;
TALLOC_CTX *ctx;
ctx = talloc_init("getparm");
if (argc != 2) {
net_conf_getparm_usage(argc, argv);
goto done;
}
service = strdup_lower(argv[0]);
param = strdup_lower(argv[1]);
werr = libnet_conf_get_parameter(ctx, service, param, &valstr);
if (W_ERROR_EQUAL(werr, WERR_NO_SUCH_SERVICE)) {
d_fprintf(stderr,
"Error: given service '%s' does not exist.\n",
service);
goto done;
} else if (W_ERROR_EQUAL(werr, WERR_INVALID_PARAM)) {
d_fprintf(stderr,
"Error: given parameter '%s' is not set.\n",
param);
goto done;
} else if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error getting value '%s': %s.\n",
param, dos_errstr(werr));
goto done;
}
d_printf("%s\n", valstr);
ret = 0;
done:
SAFE_FREE(service);
SAFE_FREE(param);
TALLOC_FREE(ctx);
return ret;
}
static int net_conf_delparm(int argc, const char **argv)
{
int ret = -1;
WERROR werr = WERR_OK;
char *service = NULL;
char *param = NULL;
if (argc != 2) {
net_conf_delparm_usage(argc, argv);
goto done;
}
service = strdup_lower(argv[0]);
param = strdup_lower(argv[1]);
werr = libnet_conf_delete_parameter(service, param);
if (W_ERROR_EQUAL(werr, WERR_NO_SUCH_SERVICE)) {
d_fprintf(stderr,
"Error: given service '%s' does not exist.\n",
service);
goto done;
} else if (W_ERROR_EQUAL(werr, WERR_INVALID_PARAM)) {
d_fprintf(stderr,
"Error: given parameter '%s' is not set.\n",
param);
goto done;
} else if (!W_ERROR_IS_OK(werr)) {
d_fprintf(stderr, "Error deleting value '%s': %s.\n",
param, dos_errstr(werr));
goto done;
}
ret = 0;
done:
SAFE_FREE(service);
SAFE_FREE(param);
return ret;
}
/*
* Entry-point for all the CONF functions.
*/
int net_conf(int argc, const char **argv)
{
int ret = -1;
struct functable2 func[] = {
{"list", net_conf_list,
"Dump the complete configuration in smb.conf like format."},
{"import", net_conf_import,
"Import configuration from file in smb.conf format."},
{"listshares", net_conf_listshares,
"List the registry shares."},
{"drop", net_conf_drop,
"Delete the complete configuration from registry."},
{"showshare", net_conf_showshare,
"Show the definition of a registry share."},
{"addshare", net_conf_addshare,
"Create a new registry share."},
{"delshare", net_conf_delshare,
"Delete a registry share."},
{"setparm", net_conf_setparm,
"Store a parameter."},
{"getparm", net_conf_getparm,
"Retrieve the value of a parameter."},
{"delparm", net_conf_delparm,
"Delete a parameter."},
{NULL, NULL, NULL}
};
ret = net_run_function2(argc, argv, "net conf", func);
return ret;
}