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diff -Naur ucspi-tcp6-1.00.orig/package/commands-base ucspi-tcp6-1.00/package/commands-base
--- ucspi-tcp6-1.00.orig/package/commands-base 2014-05-18 21:32:58.424457097 +0200
+++ ucspi-tcp6-1.00/package/commands-base 2014-05-18 22:23:35.808824900 +0200
@@ -15,3 +15,4 @@
finger@
http@
who@
+rblspp
diff -Naur ucspi-tcp6-1.00.orig/src/it-base=d ucspi-tcp6-1.00/src/it-base=d
--- ucspi-tcp6-1.00.orig/src/it-base=d 2014-05-18 21:32:58.428457166 +0200
+++ ucspi-tcp6-1.00/src/it-base=d 2014-05-18 21:33:29.085965413 +0200
@@ -20,3 +20,4 @@
http@4
who@
who@4
+rblspp
diff -Naur ucspi-tcp6-1.00.orig/src/Makefile ucspi-tcp6-1.00/src/Makefile
--- ucspi-tcp6-1.00.orig/src/Makefile 2014-05-18 21:32:58.425457118 +0200
+++ ucspi-tcp6-1.00/src/Makefile 2014-05-18 22:04:19.670646890 +0200
@@ -405,7 +405,7 @@
it-base: \
tcpserver tcprules tcprulescheck argv0 recordio tcpclient who@ date@ \
-finger@ http@ tcpcat mconnect mconnect-io addcr delcr fixcrio rblsmtpd \
+finger@ http@ tcpcat mconnect mconnect-io addcr delcr fixcrio rblsmtpd rblspp \
sysdeps
load: \
@@ -503,6 +503,17 @@
str.h stralloc.h strerr.h subgetopt.h tai.h taia.h uint64.h
./compile rblsmtpd.c
+rblspp: \
+load rblspp.o byte.a dns.a socket.lib time.a unix.a
+ ./load rblspp dns.a time.a unix.a byte.a \
+ `cat socket.lib`
+
+rblspp.o: \
+compile rblspp.c buffer.h byte.h dns.h env.h exit.h \
+fmt.h gen_alloc.h iopause.h ip6.h readwrite.h scan.h sgetopt.h \
+str.h stralloc.h strerr.h subgetopt.h tai.h taia.h uint64.h
+ ./compile rblspp.c
+
readclose.o: \
compile readclose.c error.h gen_alloc.h readclose.h readwrite.h stralloc.h
./compile readclose.c
@@ -934,4 +945,4 @@
| sed s}HOME}"`head -1 home`"}g \
> who@
chmod 755 who@
-
\ No newline at end of file
+
diff -Naur ucspi-tcp6-1.00.orig/src/rblspp.c ucspi-tcp6-1.00/src/rblspp.c
--- ucspi-tcp6-1.00.orig/src/rblspp.c 1970-01-01 01:00:00.000000000 +0100
+++ ucspi-tcp6-1.00/src/rblspp.c 2014-05-18 23:21:26.462421956 +0200
@@ -0,0 +1,275 @@
+#include "byte.h"
+#include "str.h"
+#include "scan.h"
+#include "fmt.h"
+#include "env.h"
+#include "exit.h"
+#include "buffer.h"
+#include "readwrite.h"
+#include "sgetopt.h"
+#include "strerr.h"
+#include "stralloc.h"
+#include "dns.h"
+#include "ip6.h"
+
+#define FATAL "rblspp: fatal: "
+
+void nomem(void)
+{
+ strerr_die2x(111,FATAL,"out of memory");
+}
+void usage(void)
+{
+ strerr_die1x(100,"rblspp: usage: rblspp [ -B ] [ -b ] [ -C ] [ -c ] [ -i ] [ -r base ] [ -a base ]");
+}
+
+char *tcp_proto;
+char *ip_env;
+static stralloc ip_reverse;
+int flagip6 = 0;
+
+static inline char tohex(char c) { return c>=10?c-10+'a':c+'0'; }
+
+void ip_init(void)
+{
+ unsigned int i;
+ unsigned int j;
+ char hexval;
+ char remoteip[16];
+
+ tcp_proto = env_get("PROTO");
+ if (!tcp_proto) tcp_proto = "";
+ ip_env = env_get("TCPREMOTEIP");
+ if (!ip_env) ip_env = "";
+ if (str_diff(tcp_proto,"TCP6") == 0) {
+ if (byte_equal(ip_env,7,V4MAPPREFIX))
+ ip_env = ip_env + 7;
+ else
+ flagip6 = 1;
+ }
+
+ if (!stralloc_copys(&ip_reverse,"")) nomem();
+
+ if (flagip6) {
+ if ((ip6_scan(ip_env,remoteip)) == 0) return;
+
+ for (j = 16; j > 0; j--) {
+ hexval = tohex(remoteip[j - 1] & 15);
+ if (!stralloc_catb(&ip_reverse,&hexval,1)) nomem();
+ if (!stralloc_cats(&ip_reverse,".")) nomem();
+
+ hexval = tohex(remoteip[j - 1] >> 4);
+ if (!stralloc_catb(&ip_reverse,&hexval,1)) nomem();
+ if (!stralloc_cats(&ip_reverse,".")) nomem();
+ }
+ } else {
+ i = str_len(ip_env);
+ while (i) {
+ for (j = i;j > 0;--j) if (ip_env[j - 1] == '.') break;
+ if (!stralloc_catb(&ip_reverse,ip_env + j,i - j)) nomem();
+ if (!stralloc_cats(&ip_reverse,".")) nomem();
+ if (!j) break;
+ i = j - 1;
+ }
+ }
+}
+
+int flagrblbounce = 0;
+int flagfailclosed = 0;
+int flagmustnotbounce = 0;
+int flagrblinfo = 0;
+
+int decision = 0; /* 0 undecided, 1 accept, 2 direct refuse, 3 direct bounce, 4 rbl refuse, 5 rbl bounce */
+static stralloc text; /* defined if decision is > 2 */
+
+static stralloc tmp;
+
+void rbl(char *base)
+{
+ int i;
+ char *altreply = 0;
+ if (decision) return;
+ if (!stralloc_copy(&tmp,&ip_reverse)) nomem();
+ i = str_chr(base, ':');
+ if (base[i]) {
+ base[i] = 0;
+ altreply = base+i+1;
+ }
+ if (!stralloc_cats(&tmp,base)) nomem();
+ if (altreply) {
+ if (dns_ip4(&text,&tmp) == -1) {
+ flagmustnotbounce = 1;
+ if (flagfailclosed) {
+ if (!stralloc_copys(&text,"temporary RBL lookup error")) nomem();
+ decision = 4;
+ }
+ return;
+ }
+ if (text.len) {
+ if(!stralloc_copys(&text, "")) nomem();
+ while(*altreply) {
+ char *x;
+ i = str_chr(altreply, '%');
+ if(!stralloc_catb(&text, altreply, i)) nomem();
+ if(altreply[i] &&
+ altreply[i+1]=='I' &&
+ altreply[i+2]=='P' &&
+ altreply[i+3]=='%') {
+ if(!stralloc_catb(&text, ip_env, str_len(ip_env))) nomem();
+ altreply+=i+4;
+ } else if(altreply[i]) {
+ if(!stralloc_cats(&text, "%")) nomem();
+ altreply+=i+1;
+ } else {
+ altreply+=i;
+ }
+ }
+ }
+ } else {
+ if (dns_txt(&text,&tmp) == -1) {
+ flagmustnotbounce = 1;
+ if (flagfailclosed) {
+ if (!stralloc_copys(&text,"temporary RBL lookup error")) nomem();
+ decision = 4;
+ }
+ return;
+ }
+ }
+ if (text.len)
+ if (flagrblbounce)
+ decision = 5;
+ else
+ decision = 4;
+}
+
+void antirbl(char *base)
+{
+ if (decision) return;
+ int flagip;
+
+ if (!stralloc_copy(&tmp,&ip_reverse)) nomem();
+ if (!stralloc_cats(&tmp,base)) nomem();
+
+ if (flagip6)
+ flagip = dns_ip6(&text,&tmp);
+ else
+ flagip = dns_ip4(&text,&tmp);
+
+ if (flagip == -1) {
+ flagmustnotbounce = 1;
+ if (!flagfailclosed)
+ decision = 1;
+ return;
+ }
+ if (text.len)
+ decision = 1;
+}
+
+char strnum[FMT_ULONG];
+static stralloc message;
+
+char outspace[1]; buffer out = BUFFER_INIT(write,1,outspace,sizeof outspace);
+
+void rblinfo(void)
+{
+ int i;
+
+ if (!stralloc_copys(&message,"[RBL info] ")) nomem();
+
+ if (text.len > 200) text.len = 200;
+ if (!stralloc_cat(&message,&text)) nomem();
+
+ for (i = 0;i < message.len;++i)
+ if ((message.s[i] < 32) || (message.s[i] > 126))
+ message.s[i] = '?';
+
+ buffer_puts(buffer_2,"rblspp: ");
+ buffer_puts(buffer_2,ip_env);
+ buffer_puts(buffer_2," pid ");
+ buffer_put(buffer_2,strnum,fmt_ulong(strnum,getppid()));
+ buffer_puts(buffer_2,": ");
+ buffer_put(buffer_2,message.s,message.len);
+ buffer_puts(buffer_2,"\n");
+ buffer_flush(buffer_2);
+}
+
+void rblspp(void)
+{
+ int i;
+
+ if (flagmustnotbounce || (decision == 2) || (decision == 4)) {
+ if (!stralloc_copys(&message,"E451 ")) nomem();
+ }
+ else
+ if (!stralloc_copys(&message,"E553 ")) nomem();
+
+ if (text.len > 200) text.len = 200;
+ if (!stralloc_cat(&message,&text)) nomem();
+ for (i = 0;i < message.len;++i)
+ if ((message.s[i] < 32) || (message.s[i] > 126))
+ message.s[i] = '?';
+
+ buffer_puts(buffer_2,"rblspp: ");
+ buffer_puts(buffer_2,ip_env);
+ buffer_puts(buffer_2," pid ");
+ buffer_put(buffer_2,strnum,fmt_ulong(strnum,getppid()));
+ buffer_puts(buffer_2,": ");
+ buffer_put(buffer_2,message.s,message.len);
+ buffer_puts(buffer_2,"\n");
+ buffer_flush(buffer_2);
+
+ if (!stralloc_cats(&message,"\r\n")) nomem();
+
+ buffer_putflush(&out,message.s,message.len);
+
+ _exit(0);
+}
+
+int main(int argc,char **argv,char **envp)
+{
+ char *x;
+ int opt;
+ int rcount;
+
+ x = env_get("SMTPRCPTCOUNT");
+ if (x) {
+ rcount = atoi(x);
+ if (rcount > 0)
+ return 0;
+ }
+
+ ip_init();
+
+ x = env_get("RBLSPP");
+ if (x) {
+ if (!*x)
+ decision = 1;
+ else if (*x == '-') {
+ if (!stralloc_copys(&text,x + 1)) nomem();
+ decision = 3;
+ }
+ else {
+ if (!stralloc_copys(&text,x)) nomem();
+ decision = 2;
+ }
+ }
+
+ while ((opt = getopt(argc,argv,"bBcCir:a:")) != opteof)
+ switch(opt) {
+ case 'b': flagrblbounce = 1; break;
+ case 'B': flagrblbounce = 0; break;
+ case 'c': flagfailclosed = 1; break;
+ case 'C': flagfailclosed = 0; break;
+ case 'i': flagrblinfo = 1; break;
+ case 'r': rbl(optarg); break;
+ case 'a': antirbl(optarg); break;
+ default: usage();
+ }
+
+ if (flagrblinfo && decision >= 4)
+ rblinfo();
+ else if (decision >= 2)
+ rblspp();
+
+ return 0;
+}