1 files changed, 276 insertions, 0 deletions
diff --git a/lib/param/generic.c b/lib/param/generic.c
new file mode 100644
index 0000000000..8becffbce5
--- /dev/null
+++ b/lib/param/generic.c
@@ -0,0 +1,276 @@
+/* 
+ *  Unix SMB/CIFS implementation.
+ *  Copyright (C) Jelmer Vernooij			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 "../lib/util/dlinklist.h"
+#include "../lib/util/parmlist.h"
+#include "param/param.h"
+#include "param/loadparm.h"
+#include "system/filesys.h"
+
+struct param_section *param_get_section(struct param_context *ctx, const char *name)
+{
+	struct param_section *sect;
+
+	if (name == NULL) 
+		name = GLOBAL_NAME;
+
+	for (sect = ctx->sections; sect; sect = sect->next) {
+		if (!strcasecmp_m(sect->name, name)) 
+			return sect;
+	}
+
+	return NULL;
+}
+
+struct parmlist_entry *param_section_get(struct param_section *section, const char *name)
+{
+	return parmlist_get(section->parameters, name);
+}
+
+struct param_section *param_add_section(struct param_context *ctx, const char *section_name)
+{
+	struct param_section *section;
+	section = talloc_zero(ctx, struct param_section);
+	if (section == NULL)
+		return NULL;
+
+	section->name = talloc_strdup(section, section_name);
+	DLIST_ADD_END(ctx->sections, section, struct param_section *);
+	return section;
+}
+
+/* Look up parameter. If it is not found, add it */
+struct parmlist_entry *param_get_add(struct param_context *ctx, const char *name, const char *section_name)
+{
+	struct param_section *section;
+	struct parmlist_entry *p;
+
+	SMB_ASSERT(section_name != NULL);
+	SMB_ASSERT(name != NULL);
+
+	section = param_get_section(ctx, section_name);
+
+	if (section == NULL) {
+		section = param_add_section(ctx, section_name);
+	}
+
+	p = param_section_get(section, name);
+	if (p == NULL) {
+		p = talloc_zero(section, struct parmlist_entry);
+		if (p == NULL)
+			return NULL;
+
+		p->key = talloc_strdup(p, name);
+		DLIST_ADD_END(section->parameters->entries, p, struct parmlist_entry *);
+	}
+	
+	return p;
+}
+
+const char *param_get_string(struct param_context *ctx, const char *param, const char *section_name)
+{
+	struct param_section *section = param_get_section(ctx, section_name);
+
+	if (section == NULL)
+		return NULL;
+
+	return parmlist_get_string(section->parameters, param, NULL);
+}
+
+int param_set_string(struct param_context *ctx, const char *param, const char *value, const char *section_name)
+{
+	struct param_section *section = param_get_section(ctx, section_name);
+
+	if (section == NULL)
+		return -1;
+
+	return parmlist_set_string(section->parameters, param, value);
+}
+
+const char **param_get_string_list(struct param_context *ctx, const char *param, const char *separator, const char *section_name)
+{
+	struct param_section *section = param_get_section(ctx, section_name);
+
+	if (section == NULL)
+		return NULL;
+
+	return parmlist_get_string_list(section->parameters, param, separator);
+}
+
+int param_set_string_list(struct param_context *ctx, const char *param, const char **list, const char *section)
+{
+	struct parmlist_entry *p = param_get_add(ctx, param, section);	
+
+	p->value = str_list_join(p, list, ' ');
+
+	return 0;
+}
+
+int param_get_int(struct param_context *ctx, const char *param, int default_v, const char *section_name)
+{
+	struct param_section *section = param_get_section(ctx, section_name);
+
+	if (section == NULL)
+		return default_v;
+
+	return parmlist_get_int(section->parameters, param, default_v);
+}
+
+void param_set_int(struct param_context *ctx, const char *param, int value, const char *section)
+{
+	struct parmlist_entry *p = param_get_add(ctx, section, param);
+
+	if (!p) 
+		return;
+
+	p->value = talloc_asprintf(p, "%d", value);
+}
+
+unsigned long param_get_ulong(struct param_context *ctx, const char *param, unsigned long default_v, const char *section)
+{
+	const char *value = param_get_string(ctx, param, section);
+	
+	if (value)
+		return strtoul(value, NULL, 0);
+
+	return default_v;
+}
+
+void param_set_ulong(struct param_context *ctx, const char *name, unsigned long value, const char *section)
+{
+	struct parmlist_entry *p = param_get_add(ctx, name, section);
+
+	if (!p)
+		return;
+
+	p->value = talloc_asprintf(p, "%lu", value);
+}
+
+static bool param_sfunc (const char *name, void *_ctx)
+{
+	struct param_context *ctx = (struct param_context *)_ctx;
+	struct param_section *section = param_get_section(ctx, name);
+
+	if (section == NULL) {
+		section = talloc_zero(ctx, struct param_section);
+		if (section == NULL)
+			return false;
+
+		section->name = talloc_strdup(section, name);
+
+		DLIST_ADD_END(ctx->sections, section, struct param_section *);
+	}
+
+	/* Make sure this section is on top of the list for param_pfunc */
+	DLIST_PROMOTE(ctx->sections, section);
+
+	return true;
+}
+
+static bool param_pfunc (const char *name, const char *value, void *_ctx)
+{
+	struct param_context *ctx = (struct param_context *)_ctx;
+	struct parmlist_entry *p = param_section_get(ctx->sections, name);
+
+	if (!p) {
+		p = talloc_zero(ctx->sections, struct parmlist_entry);
+		if (p == NULL)
+			return false;
+
+		p->key = talloc_strdup(p, name);
+		p->value = talloc_strdup(p, value);
+		DLIST_ADD(ctx->sections->parameters->entries, p);
+	} else { /* Replace current value */
+		talloc_free(p->value);
+		p->value = talloc_strdup(p, value);
+	}
+
+	return true;
+}
+
+struct param_context *param_init(TALLOC_CTX *mem_ctx)
+{
+	return talloc_zero(mem_ctx, struct param_context);
+}
+
+
+int param_read(struct param_context *ctx, const char *fn)
+{
+	ctx->sections = talloc_zero(ctx, struct param_section);
+	if (ctx->sections == NULL)
+		return -1;
+
+	ctx->sections->name = talloc_strdup(ctx->sections, "global");
+	if (!pm_process( fn, param_sfunc, param_pfunc, ctx)) {
+		return -1;
+	}
+
+	return 0;
+}
+
+int param_use(struct loadparm_context *lp_ctx, struct param_context *ctx)
+{
+	struct param_section *section;
+
+	for (section = ctx->sections; section; section = section->next) {
+		struct parmlist_entry *param;
+		bool isglobal = strcmp(section->name, "global") == 0;
+		for (param = section->parameters->entries; param; param = param->next) {
+			if (isglobal)
+				lpcfg_do_global_parameter(lp_ctx, param->key,
+						       param->value);
+			else {
+				struct loadparm_service *service = 
+							lpcfg_service(lp_ctx, section->name);
+				if (service == NULL)
+					service = lpcfg_add_service(lp_ctx, lpcfg_default_service(lp_ctx), section->name);
+				lpcfg_do_service_parameter(lp_ctx, service, param->key, param->value);
+			}
+		}
+	}
+	return 0;
+}
+
+int param_write(struct param_context *ctx, const char *fn)
+{
+	int file;
+	struct param_section *section;
+
+	if (fn == NULL || ctx == NULL)
+		return -1;
+
+	file = open(fn, O_WRONLY|O_CREAT, 0755);
+
+	if (file == -1)
+		return -1;
+	
+	for (section = ctx->sections; section; section = section->next) {
+		struct parmlist_entry *param;
+		
+		fdprintf(file, "[%s]\n", section->name);
+		for (param = section->parameters->entries; param; param = param->next) {
+			fdprintf(file, "\t%s = %s\n", param->key, param->value);
+		}
+		fdprintf(file, "\n");
+	}
+
+	close(file);
+
+	return 0;
+}