add sqmail-4.2.29asqmail-4.2

1 files changed, 46 insertions, 0 deletions

diff --git a/src/dnsip.c b/src/dnsip.c
new file mode 100644
index 0000000..2c84d04
--- /dev/null
+++ b/src/dnsip.c
@@ -0,0 +1,46 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include "buffer.h"
+#include "stralloc.h"
+#include "dnsresolv.h"
+#include "ip.h"
+#include "exit.h"
+#include "fmt.h"
+#include "dns.h"
+#include "logmsg.h"
+
+#define WHO "dnsip"
+
+stralloc sa = {0};
+stralloc out = {0};
+
+int main(int argc, char **argv)
+{
+  int i;
+  char ip4str[IP4_FMT];
+  char ip6str[IP6_FMT];
+
+  if (!argv[1])
+    logmsg(WHO,100,USAGE,"dnsip fqdn");
+
+  if (!stralloc_copys(&sa,argv[1]))
+    logmsg(WHO,111,FATAL,"out of memory");
+
+  DNS_INIT
+  if (dns_ip6(&out,&sa) > 0)		/* IPv6 first */
+    for (i = 0; i + 16 <= out.len; i += 16) {
+     if (ip6_isv4mapped(out.s + i)) continue;
+      buffer_put(buffer_1,ip6str,ip6_fmt(ip6str,out.s + i));
+      buffer_puts(buffer_1,"\n");
+    }
+
+  if (dns_ip4(&out,&sa) > 0)
+    for (i = 0; i + 4 <= out.len;i += 4) {
+       buffer_put(buffer_1,ip4str,ip4_fmt(ip4str,out.s + i));
+       buffer_puts(buffer_1,"\n");
+    }
+  buffer_putsflush(buffer_1,"");
+
+  _exit(0);
+}