qmail/sme9/qmail-1.03-moreipme-0.6.patch

diff -ur --new-file qmail-1.03/Makefile qmail-1.03-moreipme-0.6/Makefile
--- qmail-1.03/Makefile Mon Jun 15 06:53:16 1998
+++ qmail-1.03-moreipme-0.6/Makefile    Sat May 22 18:38:48 2004
@@ -783,20 +783,31 @@
 
 ipme.o: \
 compile ipme.c hassalen.h byte.h ip.h ipalloc.h ip.h gen_alloc.h \
-stralloc.h gen_alloc.h ipme.h ip.h ipalloc.h
+stralloc.h gen_alloc.h ipme.h ip.h ipalloc.h readwrite.h
        ./compile ipme.c
 
 ipmeprint: \
-load ipmeprint.o ipme.o ip.o ipalloc.o stralloc.a alloc.a substdio.a \
+load ipmeprint.o ipme.o ip.o ipalloc.o auto_qmail.o open.a getln.a stralloc.a alloc.a substdio.a \
 error.a str.a fs.a socket.lib
-       ./load ipmeprint ipme.o ip.o ipalloc.o stralloc.a alloc.a \
+       ./load ipmeprint ipme.o ip.o ipalloc.o auto_qmail.o open.a getln.a stralloc.a alloc.a \
        substdio.a error.a str.a fs.a  `cat socket.lib`
 
 ipmeprint.o: \
 compile ipmeprint.c subfd.h substdio.h substdio.h ip.h ipme.h ip.h \
-ipalloc.h ip.h gen_alloc.h exit.h
+ipalloc.h ip.h gen_alloc.h exit.h auto_qmail.h
        ./compile ipmeprint.c
 
+ipmetest: \
+load ipmetest.o ipme.o ip.o ipalloc.o auto_qmail.o open.a getln.a stralloc.a alloc.a substdio.a \
+error.a str.a fs.a env.a socket.lib
+       ./load ipmetest ipme.o ip.o ipalloc.o auto_qmail.o open.a getln.a stralloc.a alloc.a \
+       substdio.a error.a env.a str.a fs.a `cat socket.lib`
+
+ipmetest.o: \
+compile ipmetest.c subfd.h substdio.h substdio.h ip.h ipme.h ip.h \
+ipalloc.h ip.h gen_alloc.h exit.h auto_qmail.h
+       ./compile ipmetest.c
+
 it: \
 qmail-local qmail-lspawn qmail-getpw qmail-remote qmail-rspawn \
 qmail-clean qmail-send qmail-start splogger qmail-queue qmail-inject \
@@ -804,7 +815,7 @@
 qmail-pw2u qmail-qread qmail-qstat qmail-tcpto qmail-tcpok \
 qmail-pop3d qmail-popup qmail-qmqpc qmail-qmqpd qmail-qmtpd \
 qmail-smtpd sendmail tcp-env qmail-newmrh config config-fast dnscname \
-dnsptr dnsip dnsmxip dnsfq hostname ipmeprint qreceipt qsmhook qbiff \
+dnsptr dnsip dnsmxip dnsfq hostname ipmeprint ipmetest qreceipt qsmhook qbiff \
 forward preline condredirect bouncesaying except maildirmake \
 maildir2mbox maildirwatch qail elq pinq idedit install-big install \
 instcheck home home+df proc proc+df binm1 binm1+df binm2 binm2+df \
@@ -1779,7 +1790,7 @@
 qmail-qread.c qmail-qstat.sh qmail-queue.c qmail-remote.c \
 qmail-rspawn.c qmail-send.c qmail-showctl.c qmail-smtpd.c \
 qmail-start.c qmail-tcpok.c qmail-tcpto.c spawn.c dnscname.c dnsfq.c \
-dnsip.c dnsmxip.c dnsptr.c hostname.c ipmeprint.c tcp-env.c \
+dnsip.c dnsmxip.c dnsptr.c hostname.c ipmeprint.c ipmetest.c tcp-env.c \
 sendmail.c qreceipt.c qsmhook.c qbiff.c forward.c preline.c predate.c \
 except.c bouncesaying.c condredirect.c maildirmake.c maildir2mbox.c \
 maildirwatch.c splogger.c qail.sh elq.sh pinq.sh qmail-upq.sh \
diff -ur --new-file qmail-1.03/TARGETS qmail-1.03-moreipme-0.6/TARGETS
--- qmail-1.03/TARGETS  Mon Jun 15 06:53:16 1998
+++ qmail-1.03-moreipme-0.6/TARGETS     Sat May 22 18:38:48 2004
@@ -276,6 +276,8 @@
 hostname
 ipmeprint.o
 ipmeprint
+ipmetest.o
+ipmetest
 qreceipt.o
 qreceipt
 qsmhook.o
diff -ur --new-file qmail-1.03/ipme.c qmail-1.03-moreipme-0.6/ipme.c
--- qmail-1.03/ipme.c   Mon Jun 15 06:53:16 1998
+++ qmail-1.03-moreipme-0.6/ipme.c      Sat May 22 19:04:25 2004
@@ -14,23 +14,65 @@
 #include "ipalloc.h"
 #include "stralloc.h"
 #include "ipme.h"
+#include "substdio.h"
+#include "readwrite.h"
 
 static int ipmeok = 0;
 ipalloc ipme = {0};
+ipalloc ipme_mask = {0};
+ipalloc notipme = {0};
+ipalloc notipme_mask = {0};
 
 int ipme_is(ip)
 struct ip_address *ip;
 {
-  int i;
   if (ipme_init() != 1) return -1;
-  for (i = 0;i < ipme.len;++i)
-    if (byte_equal(&ipme.ix[i].ip,4,ip))
-      return 1;
-  return 0;
+  return ipme_match(&ipme,&ipme_mask,ip) > ipme_match(&notipme,&notipme_mask,ip);
 }
 
+int ipme_match(ipa, ipa_mask, ip)
+struct ipalloc *ipa, *ipa_mask;
+struct ip_address *ip;
+{
+  int i,j;
+  struct ip_address masked;
+  int masklen, longest_masklen=-1;
+
+  for(i=0;i < ipa->len;++i)
+  {
+    masklen = 0;
+    for(j=0;j<4;++j)
+    {
+      switch(ipa_mask->ix[i].ip.d[j])
+      {
+        case 255:  masklen += 8; break;
+        case 254:  masklen += 7; break;
+        case 252:  masklen += 6; break;
+        case 248:  masklen += 5; break;
+        case 240:  masklen += 4; break;
+        case 224:  masklen += 3; break;
+        case 192:  masklen += 2; break;
+        case 128:  masklen += 1; break;
+        default:   masklen += 0; break;
+      }
+      if (ipa->ix[i].ip.d[j] != (ip->d[j] & ipa_mask->ix[i].ip.d[j]))
+        break;
+    }
+    if ( (j == 4) && (masklen > longest_masklen) )
+    {
+      longest_masklen = masklen;
+    }
+  }
+  return longest_masklen;
+}
 static stralloc buf = {0};
 
+#define ipme_init_retclean(ret) { \
+  if (moreipme.ix) alloc_free(moreipme.ix); \
+  if (moreipme_mask.ix) alloc_free(moreipme_mask.ix); \
+  if (buf.s) alloc_free(buf.s); \
+  return ret; }
+   
 int ipme_init()
 {
   struct ifconf ifc;
@@ -39,18 +81,45 @@
   struct sockaddr_in *sin;
   int len;
   int s;
-  struct ip_mx ix;
- 
+  struct ip_mx ix, ix_mask;
+  ipalloc moreipme = {0};
+  ipalloc moreipme_mask = {0};
+  int i;
+  
   if (ipmeok) return 1;
-  if (!ipalloc_readyplus(&ipme,0)) return 0;
+  if (!ipalloc_readyplus(&ipme,0)) ipme_init_retclean(0);
+  if (!ipalloc_readyplus(&ipme_mask,0)) ipme_init_retclean(0);
+  if (!ipalloc_readyplus(&notipme,0)) ipme_init_retclean(0);
+  if (!ipalloc_readyplus(&notipme_mask,0)) ipme_init_retclean(0);
+  if (!ipalloc_readyplus(&moreipme,0)) ipme_init_retclean(0);
+  if (!ipalloc_readyplus(&moreipme_mask,0)) ipme_init_retclean(0);
+  
   ipme.len = 0;
-  ix.pref = 0;
- 
-  if ((s = socket(AF_INET,SOCK_STREAM,0)) == -1) return -1;
+  ix.pref = ix_mask.pref = 0;
+
+  if (!ipme_readipfile(&notipme, &notipme_mask, "control/notipme")) ipme_init_retclean(0);
+  
+  /* 127.0.0.0/255.0.0.0 is the localhost network.  Linux will treat
+     every address in this range as a local interface, even if it
+     isn't explicitly configured.
+  */
+  byte_copy(&ix.ip,4,"\x7f\0\0\0");
+  byte_copy(&ix_mask.ip,4,"\xff\0\0\0");
+  if (!ipalloc_append(&ipme,&ix)) ipme_init_retclean(0);
+  if (!ipalloc_append(&ipme_mask,&ix_mask)) ipme_init_retclean(0);
+
+  /* 0.0.0.0 is a special address which always refers to
+   * "this host, this network", according to RFC 1122, Sec. 3.2.1.3a.  */
+  byte_copy(&ix.ip,4,"\0\0\0\0");
+  byte_copy(&ix_mask.ip,4,"\xff\xff\xff\xff");
+  if (!ipalloc_append(&ipme,&ix)) ipme_init_retclean(0);
+  if (!ipalloc_append(&ipme_mask,&ix_mask)) ipme_init_retclean(0);
+
+  if ((s = socket(AF_INET,SOCK_STREAM,0)) == -1) ipme_init_retclean(-1);
  
   len = 256;
   for (;;) {
-    if (!stralloc_ready(&buf,len)) { close(s); return 0; }
+    if (!stralloc_ready(&buf,len)) { close(s); ipme_init_retclean(0); }
     buf.len = 0;
     ifc.ifc_buf = buf.s;
     ifc.ifc_len = len;
@@ -59,7 +128,7 @@
         buf.len = ifc.ifc_len;
         break;
       }
-    if (len > 200000) { close(s); return -1; }
+    if (len > 200000) { close(s);  ipme_init_retclean(-1); }
     len += 100 + (len >> 2);
   }
   x = buf.s;
@@ -74,7 +143,10 @@
       byte_copy(&ix.ip,4,&sin->sin_addr);
       if (ioctl(s,SIOCGIFFLAGS,x) == 0)
         if (ifr->ifr_flags & IFF_UP)
-          if (!ipalloc_append(&ipme,&ix)) { close(s); return 0; }
+        {
+          if (!ipalloc_append(&ipme,&ix)) { close(s);  ipme_init_retclean(0); }
+          if (!ipalloc_append(&ipme_mask,&ix_mask)) { close(s);  ipme_init_retclean(0); }
+        }
     }
 #else
     len = sizeof(*ifr);
@@ -84,12 +156,60 @@
          if (ifr->ifr_addr.sa_family == AF_INET) {
            sin = (struct sockaddr_in *) &ifr->ifr_addr;
            byte_copy(&ix.ip,4,&sin->sin_addr);
-           if (!ipalloc_append(&ipme,&ix)) { close(s); return 0; }
+            if (!ipalloc_append(&ipme,&ix)) { close(s);  ipme_init_retclean(0); }
+            if (!ipalloc_append(&ipme_mask,&ix_mask)) { close(s);  ipme_init_retclean(0); }
          }
 #endif
     x += len;
   }
   close(s);
+
+  if (!ipme_readipfile(&moreipme, &moreipme_mask, "control/moreipme"))  ipme_init_retclean(0);
+  for(i = 0;i < moreipme.len;++i)
+  {
+    if (!ipalloc_append(&ipme,&moreipme.ix[i])) ipme_init_retclean(0);
+    if (!ipalloc_append(&ipme_mask,&moreipme_mask.ix[i])) ipme_init_retclean(0);
+  }
   ipmeok = 1;
-  return 1;
+  ipme_init_retclean(1);
 }
+
+
+int ipme_readipfile(ipa, ipa_mask, fn)
+  ipalloc *ipa, *ipa_mask;
+  char *fn;
+{
+  int fd = -1;
+  char inbuf[1024];
+  substdio ss;
+  stralloc l = {0};
+  int match;
+  struct ip_mx ix, ix_mask;
+  int ret = 1;
+  int slash = 0;
+  
+  if ( (fd = open_read(fn)) != -1) {
+    substdio_fdbuf(&ss, read, fd, inbuf, sizeof(inbuf));
+    while ( (getln(&ss,&l,&match,'\n') != -1) && (match || l.len) ) {
+      l.len--;
+      if (!stralloc_0(&l)) { ret = 0; break; }
+      if (l.s[slash=str_chr(l.s,'/')]!='\0')
+      {
+        l.s[slash]='\0';
+        if (!ip_scan(l.s+slash+1,&ix_mask.ip))
+          continue;
+      }
+      else
+        if (!ip_scan("255.255.255.255",&ix_mask.ip)) { ret = 0; break; }
+        
+      if (!ip_scan(l.s, &ix.ip)) continue;
+      if (!ipalloc_append(ipa,&ix)) { ret = 0; break; }
+      if (!ipalloc_append(ipa_mask,&ix_mask.ip)) { ret = 0; break; }
+    }
+    if (l.s) alloc_free(l.s);
+    if ( (fd >= 0) && (close(fd) == -1) )
+      ret = 0;
+  }
+  return ret;
+}
+
diff -ur --new-file qmail-1.03/ipme.h qmail-1.03-moreipme-0.6/ipme.h
--- qmail-1.03/ipme.h   Mon Jun 15 06:53:16 1998
+++ qmail-1.03-moreipme-0.6/ipme.h      Sat May 22 18:38:48 2004
@@ -4,7 +4,7 @@
 #include "ip.h"
 #include "ipalloc.h"
 
-extern ipalloc ipme;
+extern ipalloc ipme, ipme_mask, notipme, notipme_mask;
 
 extern int ipme_init();
 extern int ipme_is();
diff -ur --new-file qmail-1.03/ipmeprint.c qmail-1.03-moreipme-0.6/ipmeprint.c
--- qmail-1.03/ipmeprint.c      Mon Jun 15 06:53:16 1998
+++ qmail-1.03-moreipme-0.6/ipmeprint.c Sat May 22 18:38:48 2004
@@ -3,12 +3,15 @@
 #include "ip.h"
 #include "ipme.h"
 #include "exit.h"
+#include "auto_qmail.h"
 
 char temp[IPFMT];
 
 void main()
 {
- int j;
+ int j,k;
+
+ chdir(auto_qmail);
  switch(ipme_init())
   {
    case 0: substdio_putsflush(subfderr,"out of memory\n"); _exit(111);
@@ -17,8 +20,18 @@
  for (j = 0;j < ipme.len;++j)
   {
    substdio_put(subfdout,temp,ip_fmt(temp,&ipme.ix[j].ip));
-   substdio_puts(subfdout,"\n");
+   substdio_puts(subfdout,"/");
+   substdio_put(subfdout,temp,ip_fmt(temp,&ipme_mask.ix[j].ip));
+   substdio_puts(subfdout," is me\n");
+  }
+ for (j = 0;j < notipme.len;++j)
+  {
+   substdio_put(subfdout,temp,ip_fmt(temp,&notipme.ix[j].ip));
+   substdio_puts(subfdout,"/");
+   substdio_put(subfdout,temp,ip_fmt(temp,&notipme_mask.ix[j].ip));
+   substdio_puts(subfdout," is not me\n");
   }
+
  substdio_flush(subfdout);
  _exit(0);
 }
diff -ur --new-file qmail-1.03/ipmetest.c qmail-1.03-moreipme-0.6/ipmetest.c
--- qmail-1.03/ipmetest.c       Wed Dec 31 19:00:00 1969
+++ qmail-1.03-moreipme-0.6/ipmetest.c  Sat May 22 18:38:48 2004
@@ -0,0 +1,38 @@
+#include "subfd.h"
+#include "substdio.h"
+#include "ip.h"
+#include "ipme.h"
+#include "exit.h"
+#include "auto_qmail.h"
+#include "env.h"
+
+void main(int argc, char *argv[])
+{
+  struct ip_address ip;
+
+  if (!env_get("IPMETEST_HERE"))
+    chdir(auto_qmail);
+
+  if (argc < 2)
+  {
+    substdio_puts(subfdout,"invalid usage\n");
+    substdio_flush(subfdout);
+    exit(1);
+  }
+  if (!ip_scan(argv[1],&ip))
+  {
+    substdio_puts(subfdout,"invalid IP address\n");
+    substdio_flush(subfdout);
+    exit(1);
+  }
+  if (ipme_is(&ip))
+  {
+    substdio_puts(subfdout,"me\n");
+  }
+  else
+  {
+    substdio_puts(subfdout,"not me\n");
+  }
+  substdio_flush(subfdout);
+  exit(0);
+}
diff -ur --new-file qmail-1.03/qmail-showctl.c qmail-1.03-moreipme-0.6/qmail-showctl.c
--- qmail-1.03/qmail-showctl.c  Mon Jun 15 06:53:16 1998
+++ qmail-1.03-moreipme-0.6/qmail-showctl.c     Sat May 22 18:38:48 2004
@@ -230,6 +230,8 @@
   do_str("localiphost",1,"localiphost","Local IP address becomes ");
   do_lst("locals","Messages for me are delivered locally.","Messages for "," are delivered locally.");
   do_str("me",0,"undefined! Uh-oh","My name is ");
+  do_lst("moreipme","No additional IP addresses are me.","IP address "," is me.");
+  do_lst("notipme","All of my IP addresses are me.","IP address "," is not me.");
   do_lst("percenthack","The percent hack is not allowed.","The percent hack is allowed for user%host@",".");
   do_str("plusdomain",1,"plusdomain","Plus domain name is ");
   do_lst("qmqpservers","No QMQP servers.","QMQP server: ",".");
@@ -283,8 +285,10 @@
     if (str_equal(d->d_name,"localiphost")) continue;
     if (str_equal(d->d_name,"locals")) continue;
     if (str_equal(d->d_name,"me")) continue;
+    if (str_equal(d->d_name,"moreipme")) continue;
     if (str_equal(d->d_name,"morercpthosts")) continue;
     if (str_equal(d->d_name,"morercpthosts.cdb")) continue;
+    if (str_equal(d->d_name,"notipme")) continue;
     if (str_equal(d->d_name,"percenthack")) continue;
     if (str_equal(d->d_name,"plusdomain")) continue;
     if (str_equal(d->d_name,"qmqpservers")) continue;
1	unnilennium	1.1	diff -ur --new-file qmail-1.03/Makefile qmail-1.03-moreipme-0.6/Makefile
2			--- qmail-1.03/Makefile Mon Jun 15 06:53:16 1998
3			+++ qmail-1.03-moreipme-0.6/Makefile Sat May 22 18:38:48 2004
4			@@ -783,20 +783,31 @@
5
6			ipme.o: \
7			compile ipme.c hassalen.h byte.h ip.h ipalloc.h ip.h gen_alloc.h \
8			-stralloc.h gen_alloc.h ipme.h ip.h ipalloc.h
9			+stralloc.h gen_alloc.h ipme.h ip.h ipalloc.h readwrite.h
10			./compile ipme.c
11
12			ipmeprint: \
13			-load ipmeprint.o ipme.o ip.o ipalloc.o stralloc.a alloc.a substdio.a \
14			+load ipmeprint.o ipme.o ip.o ipalloc.o auto_qmail.o open.a getln.a stralloc.a alloc.a substdio.a \
15			error.a str.a fs.a socket.lib
16			- ./load ipmeprint ipme.o ip.o ipalloc.o stralloc.a alloc.a \
17			+ ./load ipmeprint ipme.o ip.o ipalloc.o auto_qmail.o open.a getln.a stralloc.a alloc.a \
18			substdio.a error.a str.a fs.a `cat socket.lib`
19
20			ipmeprint.o: \
21			compile ipmeprint.c subfd.h substdio.h substdio.h ip.h ipme.h ip.h \
22			-ipalloc.h ip.h gen_alloc.h exit.h
23			+ipalloc.h ip.h gen_alloc.h exit.h auto_qmail.h
24			./compile ipmeprint.c
25
26			+ipmetest: \
27			+load ipmetest.o ipme.o ip.o ipalloc.o auto_qmail.o open.a getln.a stralloc.a alloc.a substdio.a \
28			+error.a str.a fs.a env.a socket.lib
29			+ ./load ipmetest ipme.o ip.o ipalloc.o auto_qmail.o open.a getln.a stralloc.a alloc.a \
30			+ substdio.a error.a env.a str.a fs.a `cat socket.lib`
31			+
32			+ipmetest.o: \
33			+compile ipmetest.c subfd.h substdio.h substdio.h ip.h ipme.h ip.h \
34			+ipalloc.h ip.h gen_alloc.h exit.h auto_qmail.h
35			+ ./compile ipmetest.c
36			+
37			it: \
38			qmail-local qmail-lspawn qmail-getpw qmail-remote qmail-rspawn \
39			qmail-clean qmail-send qmail-start splogger qmail-queue qmail-inject \
40			@@ -804,7 +815,7 @@
41			qmail-pw2u qmail-qread qmail-qstat qmail-tcpto qmail-tcpok \
42			qmail-pop3d qmail-popup qmail-qmqpc qmail-qmqpd qmail-qmtpd \
43			qmail-smtpd sendmail tcp-env qmail-newmrh config config-fast dnscname \
44			-dnsptr dnsip dnsmxip dnsfq hostname ipmeprint qreceipt qsmhook qbiff \
45			+dnsptr dnsip dnsmxip dnsfq hostname ipmeprint ipmetest qreceipt qsmhook qbiff \
46			forward preline condredirect bouncesaying except maildirmake \
47			maildir2mbox maildirwatch qail elq pinq idedit install-big install \
48			instcheck home home+df proc proc+df binm1 binm1+df binm2 binm2+df \
49			@@ -1779,7 +1790,7 @@
50			qmail-qread.c qmail-qstat.sh qmail-queue.c qmail-remote.c \
51			qmail-rspawn.c qmail-send.c qmail-showctl.c qmail-smtpd.c \
52			qmail-start.c qmail-tcpok.c qmail-tcpto.c spawn.c dnscname.c dnsfq.c \
53			-dnsip.c dnsmxip.c dnsptr.c hostname.c ipmeprint.c tcp-env.c \
54			+dnsip.c dnsmxip.c dnsptr.c hostname.c ipmeprint.c ipmetest.c tcp-env.c \
55			sendmail.c qreceipt.c qsmhook.c qbiff.c forward.c preline.c predate.c \
56			except.c bouncesaying.c condredirect.c maildirmake.c maildir2mbox.c \
57			maildirwatch.c splogger.c qail.sh elq.sh pinq.sh qmail-upq.sh \
58			diff -ur --new-file qmail-1.03/TARGETS qmail-1.03-moreipme-0.6/TARGETS
59			--- qmail-1.03/TARGETS Mon Jun 15 06:53:16 1998
60			+++ qmail-1.03-moreipme-0.6/TARGETS Sat May 22 18:38:48 2004
61			@@ -276,6 +276,8 @@
62			hostname
63			ipmeprint.o
64			ipmeprint
65			+ipmetest.o
66			+ipmetest
67			qreceipt.o
68			qreceipt
69			qsmhook.o
70			diff -ur --new-file qmail-1.03/ipme.c qmail-1.03-moreipme-0.6/ipme.c
71			--- qmail-1.03/ipme.c Mon Jun 15 06:53:16 1998
72			+++ qmail-1.03-moreipme-0.6/ipme.c Sat May 22 19:04:25 2004
73			@@ -14,23 +14,65 @@
74			#include "ipalloc.h"
75			#include "stralloc.h"
76			#include "ipme.h"
77			+#include "substdio.h"
78			+#include "readwrite.h"
79
80			static int ipmeok = 0;
81			ipalloc ipme = {0};
82			+ipalloc ipme_mask = {0};
83			+ipalloc notipme = {0};
84			+ipalloc notipme_mask = {0};
85
86			int ipme_is(ip)
87			struct ip_address *ip;
88			{
89			- int i;
90			if (ipme_init() != 1) return -1;
91			- for (i = 0;i < ipme.len;++i)
92			- if (byte_equal(&ipme.ix[i].ip,4,ip))
93			- return 1;
94			- return 0;
95			+ return ipme_match(&ipme,&ipme_mask,ip) > ipme_match(&notipme,&notipme_mask,ip);
96			}
97
98			+int ipme_match(ipa, ipa_mask, ip)
99			+struct ipalloc ipa, ipa_mask;
100			+struct ip_address *ip;
101			+{
102			+ int i,j;
103			+ struct ip_address masked;
104			+ int masklen, longest_masklen=-1;
105			+
106			+ for(i=0;i < ipa->len;++i)
107			+ {
108			+ masklen = 0;
109			+ for(j=0;j<4;++j)
110			+ {
111			+ switch(ipa_mask->ix[i].ip.d[j])
112			+ {
113			+ case 255: masklen += 8; break;
114			+ case 254: masklen += 7; break;
115			+ case 252: masklen += 6; break;
116			+ case 248: masklen += 5; break;
117			+ case 240: masklen += 4; break;
118			+ case 224: masklen += 3; break;
119			+ case 192: masklen += 2; break;
120			+ case 128: masklen += 1; break;
121			+ default: masklen += 0; break;
122			+ }
123			+ if (ipa->ix[i].ip.d[j] != (ip->d[j] & ipa_mask->ix[i].ip.d[j]))
124			+ break;
125			+ }
126			+ if ( (j == 4) && (masklen > longest_masklen) )
127			+ {
128			+ longest_masklen = masklen;
129			+ }
130			+ }
131			+ return longest_masklen;
132			+}
133			static stralloc buf = {0};
134
135			+#define ipme_init_retclean(ret) { \
136			+ if (moreipme.ix) alloc_free(moreipme.ix); \
137			+ if (moreipme_mask.ix) alloc_free(moreipme_mask.ix); \
138			+ if (buf.s) alloc_free(buf.s); \
139			+ return ret; }
140			+
141			int ipme_init()
142			{
143			struct ifconf ifc;
144			@@ -39,18 +81,45 @@
145			struct sockaddr_in *sin;
146			int len;
147			int s;
148			- struct ip_mx ix;
149			-
150			+ struct ip_mx ix, ix_mask;
151			+ ipalloc moreipme = {0};
152			+ ipalloc moreipme_mask = {0};
153			+ int i;
154			+
155			if (ipmeok) return 1;
156			- if (!ipalloc_readyplus(&ipme,0)) return 0;
157			+ if (!ipalloc_readyplus(&ipme,0)) ipme_init_retclean(0);
158			+ if (!ipalloc_readyplus(&ipme_mask,0)) ipme_init_retclean(0);
159			+ if (!ipalloc_readyplus(&notipme,0)) ipme_init_retclean(0);
160			+ if (!ipalloc_readyplus(&notipme_mask,0)) ipme_init_retclean(0);
161			+ if (!ipalloc_readyplus(&moreipme,0)) ipme_init_retclean(0);
162			+ if (!ipalloc_readyplus(&moreipme_mask,0)) ipme_init_retclean(0);
163			+
164			ipme.len = 0;
165			- ix.pref = 0;
166			-
167			- if ((s = socket(AF_INET,SOCK_STREAM,0)) == -1) return -1;
168			+ ix.pref = ix_mask.pref = 0;
169			+
170			+ if (!ipme_readipfile(&notipme, &notipme_mask, "control/notipme")) ipme_init_retclean(0);
171			+
172			+ /* 127.0.0.0/255.0.0.0 is the localhost network. Linux will treat
173			+ every address in this range as a local interface, even if it
174			+ isn't explicitly configured.
175			+ */
176			+ byte_copy(&ix.ip,4,"\x7f\0\0\0");
177			+ byte_copy(&ix_mask.ip,4,"\xff\0\0\0");
178			+ if (!ipalloc_append(&ipme,&ix)) ipme_init_retclean(0);
179			+ if (!ipalloc_append(&ipme_mask,&ix_mask)) ipme_init_retclean(0);
180			+
181			+ /* 0.0.0.0 is a special address which always refers to
182			+ * "this host, this network", according to RFC 1122, Sec. 3.2.1.3a. */
183			+ byte_copy(&ix.ip,4,"\0\0\0\0");
184			+ byte_copy(&ix_mask.ip,4,"\xff\xff\xff\xff");
185			+ if (!ipalloc_append(&ipme,&ix)) ipme_init_retclean(0);
186			+ if (!ipalloc_append(&ipme_mask,&ix_mask)) ipme_init_retclean(0);
187			+
188			+ if ((s = socket(AF_INET,SOCK_STREAM,0)) == -1) ipme_init_retclean(-1);
189
190			len = 256;
191			for (;;) {
192			- if (!stralloc_ready(&buf,len)) { close(s); return 0; }
193			+ if (!stralloc_ready(&buf,len)) { close(s); ipme_init_retclean(0); }
194			buf.len = 0;
195			ifc.ifc_buf = buf.s;
196			ifc.ifc_len = len;
197			@@ -59,7 +128,7 @@
198			buf.len = ifc.ifc_len;
199			break;
200			}
201			- if (len > 200000) { close(s); return -1; }
202			+ if (len > 200000) { close(s); ipme_init_retclean(-1); }
203			len += 100 + (len >> 2);
204			}
205			x = buf.s;
206			@@ -74,7 +143,10 @@
207			byte_copy(&ix.ip,4,&sin->sin_addr);
208			if (ioctl(s,SIOCGIFFLAGS,x) == 0)
209			if (ifr->ifr_flags & IFF_UP)
210			- if (!ipalloc_append(&ipme,&ix)) { close(s); return 0; }
211			+ {
212			+ if (!ipalloc_append(&ipme,&ix)) { close(s); ipme_init_retclean(0); }
213			+ if (!ipalloc_append(&ipme_mask,&ix_mask)) { close(s); ipme_init_retclean(0); }
214			+ }
215			}
216			#else
217			len = sizeof(*ifr);
218			@@ -84,12 +156,60 @@
219			if (ifr->ifr_addr.sa_family == AF_INET) {
220			sin = (struct sockaddr_in *) &ifr->ifr_addr;
221			byte_copy(&ix.ip,4,&sin->sin_addr);
222			- if (!ipalloc_append(&ipme,&ix)) { close(s); return 0; }
223			+ if (!ipalloc_append(&ipme,&ix)) { close(s); ipme_init_retclean(0); }
224			+ if (!ipalloc_append(&ipme_mask,&ix_mask)) { close(s); ipme_init_retclean(0); }
225			}
226			#endif
227			x += len;
228			}
229			close(s);
230			+
231			+ if (!ipme_readipfile(&moreipme, &moreipme_mask, "control/moreipme")) ipme_init_retclean(0);
232			+ for(i = 0;i < moreipme.len;++i)
233			+ {
234			+ if (!ipalloc_append(&ipme,&moreipme.ix[i])) ipme_init_retclean(0);
235			+ if (!ipalloc_append(&ipme_mask,&moreipme_mask.ix[i])) ipme_init_retclean(0);
236			+ }
237			ipmeok = 1;
238			- return 1;
239			+ ipme_init_retclean(1);
240			}
241			+
242			+
243			+int ipme_readipfile(ipa, ipa_mask, fn)
244			+ ipalloc ipa, ipa_mask;
245			+ char *fn;
246			+{
247			+ int fd = -1;
248			+ char inbuf[1024];
249			+ substdio ss;
250			+ stralloc l = {0};
251			+ int match;
252			+ struct ip_mx ix, ix_mask;
253			+ int ret = 1;
254			+ int slash = 0;
255			+
256			+ if ( (fd = open_read(fn)) != -1) {
257			+ substdio_fdbuf(&ss, read, fd, inbuf, sizeof(inbuf));
258			+ while ( (getln(&ss,&l,&match,'\n') != -1) && (match \|\| l.len) ) {
259			+ l.len--;
260			+ if (!stralloc_0(&l)) { ret = 0; break; }
261			+ if (l.s[slash=str_chr(l.s,'/')]!='\0')
262			+ {
263			+ l.s[slash]='\0';
264			+ if (!ip_scan(l.s+slash+1,&ix_mask.ip))
265			+ continue;
266			+ }
267			+ else
268			+ if (!ip_scan("255.255.255.255",&ix_mask.ip)) { ret = 0; break; }
269			+
270			+ if (!ip_scan(l.s, &ix.ip)) continue;
271			+ if (!ipalloc_append(ipa,&ix)) { ret = 0; break; }
272			+ if (!ipalloc_append(ipa_mask,&ix_mask.ip)) { ret = 0; break; }
273			+ }
274			+ if (l.s) alloc_free(l.s);
275			+ if ( (fd >= 0) && (close(fd) == -1) )
276			+ ret = 0;
277			+ }
278			+ return ret;
279			+}
280			+
281			diff -ur --new-file qmail-1.03/ipme.h qmail-1.03-moreipme-0.6/ipme.h
282			--- qmail-1.03/ipme.h Mon Jun 15 06:53:16 1998
283			+++ qmail-1.03-moreipme-0.6/ipme.h Sat May 22 18:38:48 2004
284			@@ -4,7 +4,7 @@
285			#include "ip.h"
286			#include "ipalloc.h"
287
288			-extern ipalloc ipme;
289			+extern ipalloc ipme, ipme_mask, notipme, notipme_mask;
290
291			extern int ipme_init();
292			extern int ipme_is();
293			diff -ur --new-file qmail-1.03/ipmeprint.c qmail-1.03-moreipme-0.6/ipmeprint.c
294			--- qmail-1.03/ipmeprint.c Mon Jun 15 06:53:16 1998
295			+++ qmail-1.03-moreipme-0.6/ipmeprint.c Sat May 22 18:38:48 2004
296			@@ -3,12 +3,15 @@
297			#include "ip.h"
298			#include "ipme.h"
299			#include "exit.h"
300			+#include "auto_qmail.h"
301
302			char temp[IPFMT];
303
304			void main()
305			{
306			- int j;
307			+ int j,k;
308			+
309			+ chdir(auto_qmail);
310			switch(ipme_init())
311			{
312			case 0: substdio_putsflush(subfderr,"out of memory\n"); _exit(111);
313			@@ -17,8 +20,18 @@
314			for (j = 0;j < ipme.len;++j)
315			{
316			substdio_put(subfdout,temp,ip_fmt(temp,&ipme.ix[j].ip));
317			- substdio_puts(subfdout,"\n");
318			+ substdio_puts(subfdout,"/");
319			+ substdio_put(subfdout,temp,ip_fmt(temp,&ipme_mask.ix[j].ip));
320			+ substdio_puts(subfdout," is me\n");
321			+ }
322			+ for (j = 0;j < notipme.len;++j)
323			+ {
324			+ substdio_put(subfdout,temp,ip_fmt(temp,&notipme.ix[j].ip));
325			+ substdio_puts(subfdout,"/");
326			+ substdio_put(subfdout,temp,ip_fmt(temp,&notipme_mask.ix[j].ip));
327			+ substdio_puts(subfdout," is not me\n");
328			}
329			+
330			substdio_flush(subfdout);
331			_exit(0);
332			}
333			diff -ur --new-file qmail-1.03/ipmetest.c qmail-1.03-moreipme-0.6/ipmetest.c
334			--- qmail-1.03/ipmetest.c Wed Dec 31 19:00:00 1969
335			+++ qmail-1.03-moreipme-0.6/ipmetest.c Sat May 22 18:38:48 2004
336			@@ -0,0 +1,38 @@
337			+#include "subfd.h"
338			+#include "substdio.h"
339			+#include "ip.h"
340			+#include "ipme.h"
341			+#include "exit.h"
342			+#include "auto_qmail.h"
343			+#include "env.h"
344			+
345			+void main(int argc, char *argv[])
346			+{
347			+ struct ip_address ip;
348			+
349			+ if (!env_get("IPMETEST_HERE"))
350			+ chdir(auto_qmail);
351			+
352			+ if (argc < 2)
353			+ {
354			+ substdio_puts(subfdout,"invalid usage\n");
355			+ substdio_flush(subfdout);
356			+ exit(1);
357			+ }
358			+ if (!ip_scan(argv[1],&ip))
359			+ {
360			+ substdio_puts(subfdout,"invalid IP address\n");
361			+ substdio_flush(subfdout);
362			+ exit(1);
363			+ }
364			+ if (ipme_is(&ip))
365			+ {
366			+ substdio_puts(subfdout,"me\n");
367			+ }
368			+ else
369			+ {
370			+ substdio_puts(subfdout,"not me\n");
371			+ }
372			+ substdio_flush(subfdout);
373			+ exit(0);
374			+}
375			diff -ur --new-file qmail-1.03/qmail-showctl.c qmail-1.03-moreipme-0.6/qmail-showctl.c
376			--- qmail-1.03/qmail-showctl.c Mon Jun 15 06:53:16 1998
377			+++ qmail-1.03-moreipme-0.6/qmail-showctl.c Sat May 22 18:38:48 2004
378			@@ -230,6 +230,8 @@
379			do_str("localiphost",1,"localiphost","Local IP address becomes ");
380			do_lst("locals","Messages for me are delivered locally.","Messages for "," are delivered locally.");
381			do_str("me",0,"undefined! Uh-oh","My name is ");
382			+ do_lst("moreipme","No additional IP addresses are me.","IP address "," is me.");
383			+ do_lst("notipme","All of my IP addresses are me.","IP address "," is not me.");
384			do_lst("percenthack","The percent hack is not allowed.","The percent hack is allowed for user%host@",".");
385			do_str("plusdomain",1,"plusdomain","Plus domain name is ");
386			do_lst("qmqpservers","No QMQP servers.","QMQP server: ",".");
387			@@ -283,8 +285,10 @@
388			if (str_equal(d->d_name,"localiphost")) continue;
389			if (str_equal(d->d_name,"locals")) continue;
390			if (str_equal(d->d_name,"me")) continue;
391			+ if (str_equal(d->d_name,"moreipme")) continue;
392			if (str_equal(d->d_name,"morercpthosts")) continue;
393			if (str_equal(d->d_name,"morercpthosts.cdb")) continue;
394			+ if (str_equal(d->d_name,"notipme")) continue;
395			if (str_equal(d->d_name,"percenthack")) continue;
396			if (str_equal(d->d_name,"plusdomain")) continue;
397			if (str_equal(d->d_name,"qmqpservers")) continue;