add support for reverse name lookups from hosts file to getnameinfo

[musl] / src / network / res_msend.c

diff --git a/src/network/res_msend.c b/src/network/res_msend.c
index a5b7793..5192b4d 100644 (file)
--- a/src/network/res_msend.c
+++ b/src/network/res_msend.c
@@ -12,6 +12,7 @@
 #include <pthread.h>
 #include "stdio_impl.h"
 #include "syscall.h"
+#include "lookup.h"
 
 static void cleanup(void *p)
 {
@@ -47,6 +48,7 @@ int __res_msend(int nqueries, const unsigned char *const *queries,
        int cs;
        struct pollfd pfd;
        unsigned long t0, t1, t2;
+       struct address iplit;
 
        pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
 
@@ -76,13 +78,18 @@ int __res_msend(int nqueries, const unsigned char *const *queries,
                for (z=s; *z && !isspace(*z); z++);
                *z=0;
 
-               if (inet_pton(AF_INET, s, &ns[nns].sin.sin_addr)>0) {
-                       ns[nns].sin.sin_port = htons(53);
-                       ns[nns++].sin.sin_family = AF_INET;
-               } else if (inet_pton(AF_INET6, s, &ns[nns].sin6.sin6_addr)>0) {
-                       sl = sizeof sa.sin6;
-                       ns[nns].sin6.sin6_port = htons(53);
-                       ns[nns++].sin6.sin6_family = family = AF_INET6;
+               if (__lookup_ipliteral(&iplit, s, AF_UNSPEC)>0) {
+                       if (iplit.family == AF_INET) {
+                               memcpy(&ns[nns].sin.sin_addr, iplit.addr, 4);
+                               ns[nns].sin.sin_port = htons(53);
+                               ns[nns++].sin.sin_family = AF_INET;
+                       } else {
+                               sl = sizeof sa.sin6;
+                               memcpy(&ns[nns].sin6.sin6_addr, iplit.addr, 16);
+                               ns[nns].sin6.sin6_port = htons(53);
+                               ns[nns].sin6.sin6_scope_id = iplit.scopeid;
+                               ns[nns++].sin6.sin6_family = family = AF_INET6;
+                       }
                }
        }
        if (f) __fclose_ca(f);