2008-09-18 Dan Williams <dcbw@redhat.com>

Patch from Alexander Sack <asac@ubuntu.com>

	* configure.in
	  system-settings/plugins/Makefile.am
	  system-settings/plugins/ifupdown/Makefile.am
	  system-settings/plugins/ifupdown/interface_parser.c
	  system-settings/plugins/ifupdown/interface_parser.h
	  system-settings/plugins/ifupdown/nm-ifupdown-connection.c
	  system-settings/plugins/ifupdown/nm-ifupdown-connection.h
	  system-settings/plugins/ifupdown/parser.c
	  system-settings/plugins/ifupdown/parser.h
	  system-settings/plugins/ifupdown/plugin.c
	  system-settings/plugins/ifupdown/plugin.h
		- Implement a Debian/Ubuntu legacy network configuration plugin
			(gnome.org #551941)



git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@4078 4912f4e0-d625-0410-9fb7-b9a5a253dbdc

system-settings/plugins/ifupdown/interface_parser.c

@@ -0,0 +1,214 @@
+/* -*- Mode: C; tab-width: 5; indent-tabs-mode: t; c-basic-offset: 5 -*- */
+/* NetworkManager -- Network link manager
+ *
+ * Tom Parker <palfrey@tevp.net>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * (C) Copyright 2004 Tom Parker
+ */
+
+
+#include "interface_parser.h"
+#include "NetworkManagerUtils.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "nm-utils.h"
+
+if_block* first;
+if_block* last;
+
+if_data* last_data;
+
+void add_block(const char *type, const char* name)
+{
+	if_block *ret = (if_block*)calloc(1,sizeof(struct _if_block));
+	ret->name = g_strdup(name);
+	ret->type = g_strdup(type);
+	if (first == NULL)
+		first = last = ret;
+	else
+	{
+		last->next = ret;
+		last = ret;
+	}
+	last_data = NULL;
+	//printf("added block '%s' with type '%s'\n",name,type);
+}
+
+void add_data(const char *key,const char *data)
+{
+	if_data *ret;
+
+	// Check if there is a block where we can attach our data
+	if (first == NULL)
+		return;
+
+	ret = (if_data*) calloc(1,sizeof(struct _if_data));
+	ret->key = g_strdup(key);
+	ret->data = g_strdup(data);
+
+	if (last->info == NULL)
+	{
+		last->info = ret;
+		last_data = ret;
+	}
+	else
+	{
+		last_data->next = ret;
+		last_data = last_data->next;
+	}
+	//printf("added data '%s' with key '%s'\n",data,key);
+}
+
+#define SPACE_OR_TAB(string,ret) {ret = strchr(string,' ');ret=(ret == NULL?strchr(string,'\t'):ret);}
+
+void ifparser_init(void)
+{
+	FILE *inp = fopen(ENI_INTERFACES_FILE, "r");
+	int ret = 0;
+	char *line;
+	char *space;
+	char rline[255];
+
+	if (inp == NULL)
+	{
+		nm_warning ("Error: Can't open %s\n", ENI_INTERFACES_FILE);
+		return;
+	}
+	first = last = NULL;
+	while(1)
+	{
+		line = space = NULL;
+		ret = fscanf(inp,"%255[^\n]\n",rline);
+		if (ret == EOF)
+			break;
+		// If the line did not match, skip it
+		if (ret == 0) {
+			fgets(rline, 255, inp);
+			continue;
+		}
+
+		line = rline;
+		while(line[0] == ' ')
+			line++;
+		if (line[0]=='#' || line[0]=='\0')
+			continue;
+
+		SPACE_OR_TAB(line,space)
+			if (space == NULL)
+			{
+				nm_warning ("Error: Can't parse interface line '%s'\n",line);
+				continue;
+			}
+		space[0] = '\0';
+
+		// There are four different stanzas:
+		// iface, mapping, auto and allow-*. Create a block for each of them.
+		if (strcmp(line,"iface")==0)
+		{
+			char *space2 = strchr(space+1,' ');
+			if (space2 == NULL)
+			{
+				nm_warning ("Error: Can't parse iface line '%s'\n",space+1);
+				continue;
+			}
+			space2[0]='\0';
+			add_block(line,space+1);
+
+			if (space2[1]!='\0')
+			{
+				space = strchr(space2+1,' ');
+				if (space == NULL)
+				{
+					nm_warning ("Error: Can't parse data '%s'\n",space2+1);
+					continue;
+				}
+				space[0] = '\0';
+				add_data(space2+1,space+1);
+			}
+		}
+		else if (strcmp(line,"auto")==0)
+			add_block(line,space+1);
+		else if (strcmp(line,"mapping")==0)
+			add_block(line,space+1);
+		else if (strncmp(line,"allow-",6)==0)
+			add_block(line,space+1);
+		else
+			add_data(line,space+1);
+
+		//printf("line: '%s' ret=%d\n",rline,ret);
+	}
+	fclose(inp);
+}
+
+void _destroy_data(if_data *ifd)
+{
+	if (ifd == NULL)
+		return;
+	_destroy_data(ifd->next);
+	free(ifd->key);
+	free(ifd->data);
+	free(ifd);
+	return;
+}
+
+void _destroy_block(if_block* ifb)
+{
+	if (ifb == NULL)
+		return;
+	_destroy_block(ifb->next);
+	_destroy_data(ifb->info);
+	free(ifb->name);
+	free(ifb->type);
+	free(ifb);
+	return;
+}
+
+void ifparser_destroy(void)
+{
+	_destroy_block(first);
+	first = last = NULL;
+}
+
+if_block *ifparser_getfirst(void)
+{
+	return first;
+}
+
+if_block *ifparser_getif(const char* iface)
+{
+	if_block *curr = first;
+	while(curr!=NULL)
+	{
+		if (strcmp(curr->type,"iface")==0 && strcmp(curr->name,iface)==0)
+			return curr;
+		curr = curr->next;
+	}
+	return NULL;
+}
+
+const char *ifparser_getkey(if_block* iface, const char *key)
+{
+	if_data *curr = iface->info;
+	while(curr!=NULL)
+	{
+		if (strcmp(curr->key,key)==0)
+			return curr->data;
+		curr = curr->next;
+	}
+	return NULL;
+}