Added RFC1006 as separate library

[yaz-moved-to-github.git] / rfc1006 / makensap.c

diff --git a/rfc1006/makensap.c b/rfc1006/makensap.c
new file mode 100644 (file)
index 0000000..d802c42
--- /dev/null
+++ b/rfc1006/makensap.c
@@ -0,0 +1,62 @@
+/*
+ * A quick little implementation of the makensap function of the
+ * xtimosi package. It's needed to make the demo apps work.
+ */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <string.h>
+#include <stdlib.h>
+
+static struct sockaddr_in *tcpip_strtoaddr(const char *str);
+
+/*
+ * text format is <hostname> | <IP-address> ':' <port>. No spaces.
+ * The binary form is a struct sockaddr_ip.
+ */
+int makensap(char *text, unsigned char *binary)
+{
+    struct sockaddr_in *addr;
+
+    fprintf(stderr, "Mapping textform NSAP '%s'\n", text);
+    if (!(addr = tcpip_strtoaddr(text)))
+    {
+       fprintf(stderr, "Failed to resolve '%s'\n", text);
+       return -1;
+    }
+    memcpy(binary, addr, sizeof(struct sockaddr_in));
+    return sizeof(struct sockaddr_in);
+}
+
+/*
+ * This is the address mapper from the comstack submodule of YAZ.
+ */
+static struct sockaddr_in *tcpip_strtoaddr(const char *str)
+{
+    static struct sockaddr_in add;
+    struct hostent *hp;
+    char *p, buf[512];
+    short int port = 210;
+    unsigned long tmpadd;
+
+    add.sin_family = AF_INET;
+    strcpy(buf, str);
+    if ((p = strchr(buf, ':')))
+    {
+       *p = 0;
+       port = atoi(p + 1);
+    }
+    add.sin_port = htons(port);
+    if ((hp = gethostbyname(buf)))
+       memcpy(&add.sin_addr.s_addr, *hp->h_addr_list, sizeof(struct in_addr));
+    else if ((tmpadd = inet_addr(buf)) != 0)
+       memcpy(&add.sin_addr.s_addr, &tmpadd, sizeof(struct in_addr));
+    else
+       return 0;
+    return &add;
+}