X-Git-Url: http://git.marmaro.de/?a=blobdiff_plain;f=sbr%2Faddrsbr.c;h=79d7afe4c467dd1e075934d4c1a256f70e31a5a6;hb=6c40d481d661d532dd527eaf34cebb6d3f8ed086;hp=a1cdf8c37b49b1f5396937993583f53eef080ffb;hpb=f65f8722914d9cfba9317439d9712957719a35b4;p=mmh

diff --git a/sbr/addrsbr.c b/sbr/addrsbr.c
index a1cdf8c..79d7afe 100644
--- a/sbr/addrsbr.c
+++ b/sbr/addrsbr.c
@@ -2,7 +2,9 @@
 /*
  * addrsbr.c -- parse addresses 822-style
  *
- * $Id$
+ * This code is Copyright (c) 2002, by the authors of nmh.  See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
  */
 
 #include <h/mh.h>
@@ -11,7 +13,7 @@
 
 /* High level parsing of addresses:
 
-   The routines in zotnet/mf/mf.c parse the syntactic representations of
+   The routines in sbr/mf.c parse the syntactic representations of
    addresses.  The routines in sbr/addrsbr.c associate semantics with those
    addresses.  
 
@@ -115,7 +117,7 @@ getm (char *str, char *dfhost, int dftype, int wanthost, char *eresult)
     char *dp;
 #endif /* not DUMB */
 
-    if (err && err[0]) {
+    if (err[0]) {
 	if (eresult)
 	    strcpy (eresult, err);
 	else
@@ -202,18 +204,18 @@ getm (char *str, char *dfhost, int dftype, int wanthost, char *eresult)
     }
 
     if (wanthost == AD_NHST)
-	mp->m_type = !strcasecmp (LocalName (), mp->m_host)
+	mp->m_type = !mh_strcasecmp (LocalName (), mp->m_host)
 	    ? LOCALHOST : NETHOST;
 #ifdef DUMB
     else
-	mp->m_type = strcasecmp (LocalName(), mp->m_host) ?  NETHOST : LOCALHOST;
+	mp->m_type = mh_strcasecmp (LocalName(), mp->m_host) ?  NETHOST : LOCALHOST;
 #else /* not DUMB */
     else
 	if (pp = OfficialName (mp->m_host)) {
     got_real_host: ;
 	    free (mp->m_host);
 	    mp->m_host = getcpy (pp);
-	    mp->m_type = strcasecmp (LocalName(), mp->m_host) ? NETHOST : LOCALHOST;
+	    mp->m_type = mh_strcasecmp (LocalName(), mp->m_host) ? NETHOST : LOCALHOST;
 	}
 	else {
 	    if (dp = strchr(mp->m_host, '.')) {
@@ -452,11 +454,11 @@ ismymbox (struct mailname *np)
 	    goto local_test;
 
 	case UUCPHOST:
-	    if (strcasecmp (np->m_host, SystemName()))
+	    if (mh_strcasecmp (np->m_host, SystemName()))
 		break;		/* fall */
 	case LOCALHOST:
 local_test: ;
-	    if (!strcasecmp (np->m_mbox, mq.m_mbox))
+	    if (!mh_strcasecmp (np->m_mbox, mq.m_mbox))
 		return 1;
 	    break;
 
@@ -477,11 +479,11 @@ local_test: ;
 	    continue;
 	switch (mp->m_type & W_MBOX) {
 	    case W_NIL: 
-		if (strcasecmp (cp, pp))
+		if (mh_strcasecmp (cp, pp))
 		    continue;
 		break;
 	    case W_MBEG: 
-		if (strcasecmp (cp + len - i, pp))
+		if (mh_strcasecmp (cp + len - i, pp))
 		    continue;
 		break;
 	    case W_MEND: 
@@ -503,11 +505,11 @@ local_test: ;
 	    continue;
 	switch (mp->m_type & W_HOST) {
 	    case W_NIL: 
-		if (strcasecmp (cp, pp))
+		if (mh_strcasecmp (cp, pp))
 		    continue;
 		break;
 	    case W_HBEG: 
-		if (strcasecmp (cp + len - i, pp))
+		if (mh_strcasecmp (cp + len - i, pp))
 		    continue;
 		break;
 	    case W_HEND: 
@@ -524,3 +526,51 @@ local_test: ;
 
     return 0;
 }
+
+
+/*
+ * Moved from hosts.c -- find out the official name of a host
+ */
+
+/*
+ * In the SendMail world, we really don't know what the valid
+ * hosts are.  We could poke around in the sendmail.cf file, but
+ * that still isn't a guarantee.  As a result, we'll say that
+ * everything is a valid host, and let SendMail worry about it.
+ */
+
+#include <h/mts.h>
+#include <netdb.h>
+
+
+char *
+OfficialName (char *name)
+{
+    unsigned char *p;
+    char *q, site[BUFSIZ];
+    struct addrinfo hints, *res;
+
+    static char buffer[BUFSIZ];
+
+    for (p = name, q = site; *p && (q - site < sizeof(site) - 1); p++, q++)
+	*q = isupper (*p) ? tolower (*p) : *p;
+    *q = '\0';
+    q = site;
+
+    if (!mh_strcasecmp (LocalName(), site))
+	return LocalName();
+
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_flags = AI_CANONNAME;
+    hints.ai_family = PF_UNSPEC;
+
+    if (getaddrinfo(q, NULL, &hints, &res) == 0) {
+	strncpy (buffer, res->ai_canonname, sizeof(buffer));
+	buffer[sizeof(buffer) - 1] = '\0';
+	freeaddrinfo(res);
+	return buffer;
+    }
+
+    strncpy (buffer, site, sizeof(buffer));
+    return buffer;
+}