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#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "buffer.h"
#include "getln.h"
#include "exit.h"
#include "stralloc.h"
#include "readclose.h"
#include "timeoutconn.h"
#include "logmsg.h"
#include "str.h"
#include "sig.h"
#include "ip.h"
#include "timeout.h"
#include "auto_qmail.h"
#include "control.h"
#include "fmt.h"
#include "uint_t.h"
#include "socket_if.h"
#define PORT_QMQP 628
void die_success() { _exit(0); }
void die_perm() { _exit(31); }
void nomem() { _exit(51); }
void die_read() { if (errno == ENOMEM) nomem(); _exit(54); }
void die_control() { _exit(55); }
void die_socket() { _exit(56); }
void die_home() { _exit(61); }
void die_temp() { _exit(71); }
void die_conn() { _exit(74); }
void die_format() { _exit(91); }
int lasterror = 55;
int qmqpfd;
ssize_t saferead(int fd,char *buf,int len)
{
int r;
r = timeoutread(60,qmqpfd,buf,len);
if (r <= 0) die_conn();
return r;
}
ssize_t safewrite(int fd,char *buf,int len)
{
int r;
r = timeoutwrite(60,qmqpfd,buf,len);
if (r <= 0) die_conn();
return r;
}
char buf[1024];
buffer bo = BUFFER_INIT(safewrite,-1,buf,sizeof(buf));
buffer bi = BUFFER_INIT(saferead,-1,buf,sizeof(buf));
buffer be = BUFFER_INIT(read,1,buf,sizeof(buf)); // envelope
/* WARNING: can use only one of these at a time! */
stralloc beforemessage = {0};
stralloc message = {0};
stralloc aftermessage = {0};
char strnum[FMT_ULONG];
stralloc line = {0};
void getmess()
{
int match;
if (readclose_append(0,&message,1024) == -1) die_read();
strnum[fmt_ulong(strnum,(unsigned long) message.len)] = 0;
if (!stralloc_copys(&beforemessage,strnum)) nomem();
if (!stralloc_cats(&beforemessage,":")) nomem();
if (!stralloc_copys(&aftermessage,",")) nomem();
if (getln(&be,&line,&match,'\0') == -1) die_read();
if (!match) die_format();
if (line.len < 2) die_format();
if (line.s[0] != 'F') die_format();
strnum[fmt_ulong(strnum,(unsigned long) line.len - 2)] = 0;
if (!stralloc_cats(&aftermessage,strnum)) nomem();
if (!stralloc_cats(&aftermessage,":")) nomem();
if (!stralloc_catb(&aftermessage,line.s + 1,line.len - 2)) nomem();
if (!stralloc_cats(&aftermessage,",")) nomem();
for (;;) {
if (getln(&be,&line,&match,'\0') == -1) die_read();
if (!match) die_format();
if (line.len < 2) break;
if (line.s[0] != 'T') die_format();
strnum[fmt_ulong(strnum,(unsigned long) line.len - 2)] = 0;
if (!stralloc_cats(&aftermessage,strnum)) nomem();
if (!stralloc_cats(&aftermessage,":")) nomem();
if (!stralloc_catb(&aftermessage,line.s + 1,line.len - 2)) nomem();
if (!stralloc_cats(&aftermessage,",")) nomem();
}
}
void doit(char *server)
{
struct ip4_address ip4s;
struct ip6_address ip6s;
char *netif = 0;
uint32 ifidx = 0;
char ch;
int i, j, r;
i = str_chr(server,':');
if (server[i] == ':') {
j = str_chr(server,'%'); /* IF index */
if (server[j] == '%') {
server[j] = 0;
netif = &server[j + 1];
ifidx = socket_getifidx(netif);
}
if (!ip6_scan(server,(char *)&ip6s.d)) return;
qmqpfd = socket(AF_INET6,SOCK_STREAM,0);
if (qmqpfd == -1) die_socket();
r = timeoutconn6(qmqpfd,(char *)&ip6s.d,PORT_QMQP,10,ifidx);
} else {
if (!ip4_scan(server,(char *)&ip4s.d)) return;
qmqpfd = socket(AF_INET,SOCK_STREAM,0);
if (qmqpfd == -1) die_socket();
r = timeoutconn4(qmqpfd,(char *)&ip4s.d,PORT_QMQP,10);
}
if (r != 0) {
lasterror = 73;
if (errno == ETIMEDOUT) lasterror = 72;
close(qmqpfd);
return;
}
strnum[fmt_ulong(strnum,(unsigned long) (beforemessage.len + message.len + aftermessage.len))] = 0;
buffer_puts(&bo,strnum);
buffer_puts(&bo,":");
buffer_put(&bo,beforemessage.s,beforemessage.len);
buffer_put(&bo,message.s,message.len);
buffer_put(&bo,aftermessage.s,aftermessage.len);
buffer_puts(&bo,",");
buffer_flush(&bo);
for (;;) {
buffer_get(&bi,&ch,1);
if (ch == 'K') die_success();
if (ch == 'Z') die_temp();
if (ch == 'D') die_perm();
}
}
stralloc servers = {0};
int main()
{
int i;
int j;
sig_pipeignore();
if (chdir(auto_qmail) == -1) die_home();
if (control_init() == -1) die_control();
if (control_readfile(&servers,"control/qmqpservers",0) != 1) die_control();
getmess();
i = 0;
for (j = 0; j < servers.len; ++j)
if (!servers.s[j]) {
doit(servers.s + i);
i = j + 1;
}
_exit(lasterror);
}
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