r17206: Add a modular API for share configuration.

Commit the classic backwards compatible module which is the default one
(This used to be commit a89cc346b9296cb49929898d257a064a6c2bae86)

1 files changed, 328 insertions, 0 deletions

diff --git a/source4/param/share_classic.c b/source4/param/share_classic.c
new file mode 100644
index 0000000000..9d959da787
--- /dev/null
+++ b/source4/param/share_classic.c
@@ -0,0 +1,328 @@
+/* 
+   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);
+}
+