[cadcdev-svn-commits] [SCM] branch master updated. v2.0.0-1125-ga5a7959

[ljsebald <ljs...@us...>]

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- Log -----------------------------------------------------------------
commit a5a79598ba4bf76fc85a66b267eeeedf8cf6d10a
Author: Heel <429...@us...>
Date:   Mon Nov 13 12:06:04 2023 +0900

    Ensure getaddrinfo() handles IP adddress inputs without using DNS (#358)
    
    * Ensure getaddrinfo() handles IP adddress inputs without sending them to resolve over DNS

-----------------------------------------------------------------------

Summary of changes:
 kernel/libc/koslib/getaddrinfo.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/kernel/libc/koslib/getaddrinfo.c b/kernel/libc/koslib/getaddrinfo.c
index eff2466..4950c9c 100644
--- a/kernel/libc/koslib/getaddrinfo.c
+++ b/kernel/libc/koslib/getaddrinfo.c
@@ -706,6 +706,28 @@ int getaddrinfo(const char *nodename, const char *servname,
         return 0;
     }
 
+    /* Try to handle input as an IPv4 address */
+    if(ihints.ai_family == AI_INET || ihints.ai_family == AF_UNSPEC) {
+        uint32_t ip4_addr;
+
+        if(inet_pton(AF_INET, nodename, &ip4_addr) > 0) {
+            ihints.ai_family = AF_INET;
+            *res = add_ipv4_ai(ip4_addr, port, &ihints, NULL);
+            return 0;
+        }
+    }
+
+    /* Try to handle input as an IPv6 address */
+    if(ihints.ai_family == AF_INET6 || ihints.ai_family == AF_UNSPEC) {
+        struct in6_addr addr;
+
+        if(inet_pton(AF_INET6, nodename, &addr.s6_addr) > 0) {
+            ihints.ai_family = AF_INET6;
+            *res = add_ipv6_ai(&addr, port, &ihints, NULL);
+            return 0;
+        }
+    }
+
     /* If we've gotten this far, do the lookup. */
     if(ihints.ai_family == AF_UNSPEC) {
         /* It seems that some resolvers really don't like multi-part questions.


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