Initial commit

FossilOrigin-Name: c53d95729c009f8f80a7d63847cef7668ff73f8af0523ab65f7734696f85399c

src/capwap/sock_strtoaddr.c

@@ -0,0 +1,110 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <errno.h>
+
+#include "sock.h"
+/*
+ * convert a string to sockaddr struct.
+ * the string can contain a ipv4 or ipv6 address including a port number.
+ * returns 1 on success
+ * otherwise no success
+ */
+int sock_strtoaddr(const char * s,struct sockaddr * saout){
+
+	char *ips,*ps;
+	struct in_addr ia;
+	int port;
+
+#ifdef WITH_IPV6
+	struct in6_addr ia6;
+#endif
+	int rc;
+
+	/* copy the string */
+	ips = malloc(strlen(s)+1);
+	strcpy(ips,s);
+
+	/* search for a collon to separate the port */
+	ps = strchr(ips,':');
+	if (ps != NULL){
+		*ps='\0';
+		ps++;
+	}
+	else
+		ps="0";
+
+	/* try to parse ip4 address */
+	rc = inet_pton(AF_INET,ips,&ia);
+
+
+	if (rc==1)
+	{
+		port = atoi(ps);
+		if (port > 65535)
+			rc=0;
+	}
+
+
+
+	if (rc==1){
+		/* it's an ipv4 address */
+		struct sockaddr_in * sa;
+		sa = (struct sockaddr_in*)saout;
+		memset(sa,0,sizeof(struct sockaddr_in));
+#ifdef HAVE_SIN_LEN
+		sa->sin_len=sizeof(struct sockaddr_in);
+#endif
+		sa->sin_family = AF_INET;
+		sa->sin_addr=ia;
+		sa->sin_port=htons(port);
+
+	}
+
+#ifdef WITH_IPV6
+	if (rc==0){
+		strcpy(ips,s);
+
+		ps = strchr(ips,'.');
+		if (ps != NULL){
+			*ps='\0';
+			ps++;
+		}
+		else
+			ps="0";
+
+
+		rc = inet_pton(AF_INET6,s,&ia6);
+
+
+		if (rc==1){
+			/* it's an ipv6 address */
+			struct sockaddr_in6 * sa;
+			sa = (struct sockaddr_in6*)saout;
+			memset(sa,0,sizeof(struct sockaddr_in6));
+
+#ifdef HAVE_SIN_LEN
+			sa->sin6_len=sizeof(struct sockaddr_in6);
+#endif
+			sa->sin6_family = AF_INET6;
+			sa->sin6_addr=ia6;
+			sa->sin6_port=htons(atoi(ps));
+
+
+		}
+
+	}
+#endif
+	if (rc!=1){
+		if (rc!=-1)
+			errno=EINVAL;
+	}
+
+	free (ips);
+	return rc;
+
+}
+