1 files changed, 131 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/utils/gethostip.c b/contrib/syslinux-4.02/utils/gethostip.c
new file mode 100644
index 0000000..f3f8757
--- /dev/null
+++ b/contrib/syslinux-4.02/utils/gethostip.c
@@ -0,0 +1,131 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2001-2008 H. Peter Anvin - All Rights Reserved
+ *
+ *   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, Inc., 53 Temple Place Ste 330,
+ *   Boston MA 02111-1307, USA; either version 2 of the License, or
+ *   (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * gethostip.c
+ *
+ * Small program to use gethostbyname() to print out a hostname in
+ * hex and/or dotted-quad notation
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <netdb.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <sysexits.h>
+#define _GNU_SOURCE		/* For getopt_long */
+#include <getopt.h>
+
+const struct option options[] = {
+    {"hexadecimal", 0, NULL, 'x'},
+    {"decimal", 0, NULL, 'd'},
+    {"dotted-quad", 0, NULL, 'd'},
+    {"full-output", 0, NULL, 'f'},
+    {"name", 0, NULL, 'n'},
+    {"help", 0, NULL, 'h'},
+    {NULL, 0, NULL, 0}
+};
+
+const char *program;
+
+void usage(int exit_code)
+{
+    fprintf(stderr, "Usage: %s [-dxnf] hostname/ip...\n", program);
+    exit(exit_code);
+}
+
+int main(int argc, char *argv[])
+{
+    int opt;
+    int output = 0;
+    int i;
+    char *sep;
+    int err = 0;
+
+    struct hostent *host;
+
+    program = argv[0];
+
+    while ((opt = getopt_long(argc, argv, "dxfnh", options, NULL)) != -1) {
+	switch (opt) {
+	case 'd':
+	    output |= 2;	/* Decimal output */
+	    break;
+	case 'x':
+	    output |= 4;	/* Hexadecimal output */
+	    break;
+	case 'n':
+	    output |= 1;	/* Canonical name output */
+	    break;
+	case 'f':
+	    output = 7;		/* Full output */
+	    break;
+	case 'h':
+	    usage(0);
+	    break;
+	default:
+	    usage(EX_USAGE);
+	    break;
+	}
+    }
+
+    if (optind == argc)
+	usage(EX_USAGE);
+
+    if (output == 0)
+	output = 7;		/* Default output */
+
+    for (i = optind; i < argc; i++) {
+	sep = "";
+	host = gethostbyname(argv[i]);
+	if (!host) {
+	    herror(argv[i]);
+	    err = 1;
+	    continue;
+	}
+
+	if (host->h_addrtype != AF_INET || host->h_length != 4) {
+	    fprintf(stderr, "%s: No IPv4 address associated with name\n",
+		    argv[i]);
+	    err = 1;
+	    continue;
+	}
+
+	if (output & 1) {
+	    printf("%s%s", sep, host->h_name);
+	    sep = " ";
+	}
+
+	if (output & 2) {
+	    printf("%s%u.%u.%u.%u", sep,
+		   ((unsigned char *)host->h_addr)[0],
+		   ((unsigned char *)host->h_addr)[1],
+		   ((unsigned char *)host->h_addr)[2],
+		   ((unsigned char *)host->h_addr)[3]);
+	    sep = " ";
+	}
+
+	if (output & 4) {
+	    printf("%s%02X%02X%02X%02X", sep,
+		   ((unsigned char *)host->h_addr)[0],
+		   ((unsigned char *)host->h_addr)[1],
+		   ((unsigned char *)host->h_addr)[2],
+		   ((unsigned char *)host->h_addr)[3]);
+	    sep = " ";
+	}
+
+	putchar('\n');
+    }
+
+    return err;
+}