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path: root/source4/param/share_classic.c
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/* 
   Unix SMB/CIFS implementation.
   
   Classic file based services configuration
   
   Copyright (C) Simo Sorce	2006
   
   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 "param/share.h"

struct sclassic_snum {
	int snum;
};

static NTSTATUS sclassic_init(TALLOC_CTX *mem_ctx, const struct share_ops *ops, struct share_context **ctx)
{
	*ctx = talloc(mem_ctx, struct share_context);
	if (!*ctx) {
		DEBUG(0, ("ERROR: Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	(*ctx)->ops = ops;
	(*ctx)->priv_data = NULL;

	return NT_STATUS_OK;
}

static const char *sclassic_string_option(struct share_config *scfg, const char *opt_name, const char *defval)
{
	struct sclassic_snum *s = talloc_get_type(scfg->opaque, struct sclassic_snum);
	char *parm, *val;
	const char *ret;

	if (strchr(opt_name, ':')) {
		parm = talloc_strdup(scfg, opt_name);
		if (!parm) {
			return NULL;
		}
		val = strchr(parm, ':');
		*val = '\0';
		val++;

		ret = lp_parm_string(s->snum, parm, val);
		if (!ret) {
			ret = defval;
		}
		talloc_free(parm);
		return ret;
	}

	if (strcmp(opt_name, SHARE_NAME) == 0) {
		return scfg->name;
	}

	if (strcmp(opt_name, SHARE_PATH) == 0) {
		return lp_pathname(s->snum);
	}

	if (strcmp(opt_name, SHARE_COMMENT) == 0) {
		return lp_comment(s->snum);
	}

	if (strcmp(opt_name, SHARE_VOLUME) == 0) {
		return volume_label(s->snum);
	}

	if (strcmp(opt_name, SHARE_TYPE) == 0) {
		if (lp_print_ok(s->snum)) {
			return "PRINTER";
		}
		return lp_fstype(s->snum);
	}

	return defval;
}

int sclassic_int_option(struct share_config *scfg, const char *opt_name, int defval)
{
	struct sclassic_snum *s = talloc_get_type(scfg->opaque, struct sclassic_snum);
	char *parm, *val;
	int ret;

	if (strchr(opt_name, ':')) {
		parm = talloc_strdup(scfg, opt_name);
		if (!parm) {
			return -1;
		}
		val = strchr(parm, ':');
		*val = '\0';
		val++;

		ret = lp_parm_int(s->snum, parm, val, defval);
		if (!ret) {
			ret = defval;
		}
		talloc_free(parm);
		return ret;
	}

	if (strcmp(opt_name, SHARE_CSC_POLICY) == 0) {
		ret = lp_csc_policy(s->snum);
		if (ret == -1) {
			return defval;
		}
	}

	if (strcmp(opt_name, SHARE_MAX_CONNECTIONS) == 0) {
		ret = lp_max_connections(s->snum);
		if (ret == -1) {
			return defval;
		}
	}

	return defval;
}

BOOL sclassic_bool_option(struct share_config *scfg, const char *opt_name, BOOL defval)
{
	struct sclassic_snum *s = talloc_get_type(scfg->opaque, struct sclassic_snum);
	char *parm, *val;
	BOOL ret;

	if (strchr(opt_name, ':')) {
		parm = talloc_strdup(scfg, opt_name);
		if(!parm) {
			return NULL;
		}
		val = strchr(parm, ':');
		*val = '\0';
		val++;

		ret = lp_parm_bool(s->snum, parm, val, defval);
		talloc_free(parm);
		return ret;
	}

	if (strcmp(opt_name, SHARE_AVAILABLE) == 0) {
		return lp_snum_ok(s->snum);
	}

	if (strcmp(opt_name, SHARE_BROWSEABLE) == 0) {
		return lp_browseable(s->snum);
	}

	if (strcmp(opt_name, SHARE_READONLY) == 0) {
		return lp_readonly(s->snum);
	}

	if (strcmp(opt_name, SHARE_MAP_SYSTEM) == 0) {
		return lp_map_system(s->snum);
	}

	if (strcmp(opt_name, SHARE_MAP_HIDDEN) == 0) {
		return lp_map_hidden(s->snum);
	}

	if (strcmp(opt_name, SHARE_MAP_ARCHIVE) == 0) {
		return lp_map_archive(s->snum);
	}

	if (strcmp(opt_name, SHARE_STRICT_LOCKING) == 0) {
		return lp_strict_locking(s->snum);
	}

	if (strcmp(opt_name, SHARE_STRICT_SYNC) == 0) {
		return lp_strict_sync(s->snum);
	}

	if (strcmp(opt_name, SHARE_MSDFS_ROOT) == 0) {
		return lp_msdfs_root(s->snum);
	}

	if (strcmp(opt_name, SHARE_CI_FILESYSTEM) == 0) {
		return lp_ci_filesystem(s->snum);
	}

	return defval;
}

const char **sclassic_string_list_option(TALLOC_CTX *mem_ctx, struct share_config *scfg, const char *opt_name)
{
	struct sclassic_snum *s = talloc_get_type(scfg->opaque, struct sclassic_snum);
	char *parm, *val;
	const char **ret;

	if (strchr(opt_name, ':')) {
		parm = talloc_strdup(scfg, opt_name);
		if (!parm) {
			return NULL;
		}
		val = strchr(parm, ':');
		*val = '\0';
		val++;

		ret = lp_parm_string_list(s->snum, parm, val, ",;");
		talloc_free(parm);
		return ret;
	}

	if (strcmp(opt_name, SHARE_HOSTS_ALLOW) == 0) {
		return lp_hostsallow(s->snum);
	}

	if (strcmp(opt_name, SHARE_HOSTS_DENY) == 0) {
		return lp_hostsdeny(s->snum);
	}

	if (strcmp(opt_name, SHARE_NTVFS_HANDLER) == 0) {
		return lp_ntvfs_handler(s->snum);
	}

	return NULL;
}

NTSTATUS sclassic_list_all(TALLOC_CTX *mem_ctx,
				     struct share_context *ctx,
				     int *count,
				     const char ***names)
{
	int i;
	int num_services;
	const char **n;
       
	num_services = lp_numservices();

	n = talloc_array(mem_ctx, const char *, num_services);
	if (!n) {
		DEBUG(0,("ERROR: Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	for (i = 0; i < num_services; i++) {
		n[i] = talloc_strdup(n, lp_servicename(i));
		if (!n[i]) {
			DEBUG(0,("ERROR: Out of memory!\n"));
			talloc_free(n);
			return NT_STATUS_NO_MEMORY;
		}
	}

	*names = n;
	*count = num_services;

	return NT_STATUS_OK;
}

NTSTATUS sclassic_get_config(TALLOC_CTX *mem_ctx,
			     struct share_context *ctx,
			     const char *name,
			     struct share_config **scfg)
{
	int i, snum;
	struct share_config *s;
	struct sclassic_snum *scnum;

	snum = -1;
	for (i = 0; i < lp_numservices(); i++) {
		if (strcasecmp_m(name, lp_servicename(i)) == 0) {
			snum = i;
			break;
		}
	}

	if (snum < 0) {
		return NT_STATUS_OBJECT_NAME_NOT_FOUND;
	}

	s = talloc(mem_ctx, struct share_config);
	if (!s) {
		DEBUG(0,("ERROR: Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	s->name = talloc_strdup(s, lp_servicename(snum));
	if (!s->name) {
		DEBUG(0,("ERROR: Out of memory!\n"));
		talloc_free(s);
		return NT_STATUS_NO_MEMORY;
	}

	scnum = talloc(s, struct sclassic_snum);
	if (!scnum) {
		DEBUG(0,("ERROR: Out of memory!\n"));
		talloc_free(s);
		return NT_STATUS_NO_MEMORY;
	}
	scnum->snum = snum;

	s->opaque = (void *)scnum;
	s->ctx = ctx;
	
	*scfg = s;

	return NT_STATUS_OK;
}

NTSTATUS share_classic_init(void)
{
	struct share_ops ops;

	ops.name = "classic";
	ops.init = sclassic_init;
	ops.string_option = sclassic_string_option;
	ops.int_option = sclassic_int_option;
	ops.bool_option = sclassic_bool_option;
	ops.string_list_option = sclassic_string_list_option;
	ops.list_all = sclassic_list_all;
	ops.get_config = sclassic_get_config;

	return share_register(&ops);
}