Initial checkin

options.c

@@ -0,0 +1,173 @@
+/* $Id$ */
+/* MiniUPnP project
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * author: Ryan Wagoner
+ * (c) 2006 Thomas Bernard 
+ * This software is subject to the conditions detailed
+ * in the LICENCE file provided within the distribution */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <syslog.h>
+#include "options.h"
+#include "upnpglobalvars.h"
+
+struct option * ary_options = NULL;
+int num_options = 0;
+
+static const struct {
+	enum upnpconfigoptions id;
+	const char * name;
+} optionids[] = {
+	{ UPNPEXT_IFNAME, "ext_ifname" },
+	{ UPNPEXT_IP,	"ext_ip" },
+	{ UPNPLISTENING_IP, "listening_ip" },
+	{ UPNPPORT, "port" },
+	{ UPNPBITRATE_UP, "bitrate_up" },
+	{ UPNPBITRATE_DOWN, "bitrate_down" },
+	{ UPNPPRESENTATIONURL, "presentation_url" },
+	{ UPNPNOTIFY_INTERVAL, "notify_interval" },
+	{ UPNPSYSTEM_UPTIME, "system_uptime" },
+	{ UPNPPACKET_LOG, "packet_log" },
+	{ UPNPUUID, "uuid"},
+	{ UPNPSERIAL, "serial"},
+	{ UPNPMODEL_NUMBER, "model_number"},
+	{ UPNPCLEANTHRESHOLD, "clean_ruleset_threshold"},
+	{ UPNPCLEANINTERVAL, "clean_ruleset_interval"},
+#ifdef ENABLE_NATPMP
+	{ UPNPENABLENATPMP, "enable_natpmp"},
+#endif
+	{ UPNPENABLE, "enable_upnp"},
+#ifdef USE_PF
+	{ UPNPQUEUE, "queue"},
+	{ UPNPTAG, "tag"},
+#endif
+#ifdef PF_ENABLE_FILTER_RULES
+	{ UPNPQUICKRULES, "quickrules" },
+#endif
+#ifdef ENABLE_LEASEFILE
+	{ UPNPLEASEFILE, "lease_file"},
+#endif
+	{ UPNPMEDIADIR, "media_dir"},
+	{ UPNPSECUREMODE, "secure_mode"}
+};
+
+int
+readoptionsfile(const char * fname)
+{
+	FILE *hfile = NULL;
+	char buffer[1024];
+	char *equals;
+	char *name;
+	char *value;
+	char *t;
+	int linenum = 0;
+	int i;
+	enum upnpconfigoptions id;
+
+	if(!fname || (strlen(fname) == 0))
+		return -1;
+
+	memset(buffer, 0, sizeof(buffer));
+
+#ifdef DEBUG
+	printf("Reading configuration from file %s\n", fname);
+#endif
+
+	if(!(hfile = fopen(fname, "r")))
+		return -1;
+
+	if(ary_options != NULL)
+	{
+		free(ary_options);
+		num_options = 0;
+	}
+
+	while(fgets(buffer, sizeof(buffer), hfile))
+	{
+		linenum++;
+		t = strchr(buffer, '\n'); 
+		if(t)
+		{
+			*t = '\0';
+			t--;
+			while((t >= buffer) && isspace(*t))
+			{
+				*t = '\0';
+				t--;
+			}
+		}
+       
+		/* skip leading whitespaces */
+		name = buffer;
+		while(isspace(*name))
+			name++;
+
+		/* check for comments or empty lines */
+		if(name[0] == '#' || name[0] == '\0') continue;
+
+		if(!(equals = strchr(name, '=')))
+		{
+			fprintf(stderr, "parsing error file %s line %d : %s\n",
+			        fname, linenum, name);
+			continue;
+		}
+
+		/* remove ending whitespaces */
+		for(t=equals-1; t>name && isspace(*t); t--)
+			*t = '\0';
+
+		*equals = '\0';
+		value = equals+1;
+
+		/* skip leading whitespaces */
+		while(isspace(*value))
+			value++;
+
+		id = UPNP_INVALID;
+		for(i=0; i<sizeof(optionids)/sizeof(optionids[0]); i++)
+		{
+			/*printf("%2d %2d %s %s\n", i, optionids[i].id, name,
+			       optionids[i].name); */
+
+			if(0 == strcmp(name, optionids[i].name))
+			{
+				id = optionids[i].id;
+				break;
+			}
+		}
+
+		if(id == UPNP_INVALID)
+		{
+			fprintf(stderr, "parsing error file %s line %d : %s=%s\n",
+			        fname, linenum, name, value);
+		}
+		else
+		{
+			num_options += 1;
+			ary_options = (struct option *) realloc(ary_options, num_options * sizeof(struct option));
+
+			ary_options[num_options-1].id = id;
+			strncpy(ary_options[num_options-1].value, value, MAX_OPTION_VALUE_LEN);
+		}
+
+	}
+	
+	fclose(hfile);
+	
+	return 0;
+}
+
+void
+freeoptions(void)
+{
+	if(ary_options)
+	{
+		free(ary_options);
+		ary_options = NULL;
+		num_options = 0;
+	}
+}
+