/*

* Revision 20160713, Kai Peter

* - switched to 'buffer'

* Revision 20160504, Kai Peter

* - changed return type of main to int

* - added '<unistd.h>' to prevent compiler warnings

*/

#include <unistd.h>

#include "getoptb.h"

#include "buffer.h"

#include "alloc.h"

#include "auto_qmail.h"

#include "env.h"

#include "str.h"

void nomem()

{

buffer_putsflush(buffer_2,"sendmail: fatal: out of memory\n");

_exit(111);

}

void die_usage()

{

buffer_putsflush(buffer_2,"sendmail: usage: sendmail [ -t ] [ -fsender ] [ -Fname ] [ -bp ] [ -bs ] [ arg ... ]\n");

_exit(100);

}

char *smtpdarg[] = { "bin/qmail-smtpd", 0 };

void smtpd()

{

if (!env_get("PROTO")) {

if (!env_puts("RELAYCLIENT=")) nomem();

if (!env_puts("DATABYTES=0")) nomem();

if (!env_puts("PROTO=TCP")) nomem();

if (!env_puts("TCPLOCALIP=127.0.0.1")) nomem();

if (!env_puts("TCPLOCALHOST=localhost")) nomem();

if (!env_puts("TCPREMOTEIP=127.0.0.1")) nomem();

if (!env_puts("TCPREMOTEHOST=localhost")) nomem();

if (!env_puts("TCPREMOTEINFO=sendmail-bs")) nomem();

}

execv(*smtpdarg,smtpdarg);

buffer_putsflush(buffer_2,"sendmail: fatal: unable to run qmail-smtpd\n");

_exit(111);

}

char *qreadarg[] = { "bin/qmail-qread", 0 };

void mailq()

{

execv(*qreadarg,qreadarg);

buffer_putsflush(buffer_0,"sendmail: fatal: unable to run qmail-qread\n");

_exit(111);

}

//void do_sender(const char *s)

void do_sender(char *s)

{

char *x;

int n;

int a;

int i;

env_unset("QMAILNAME");

env_unset("MAILNAME");

env_unset("NAME");

env_unset("QMAILHOST");

env_unset("MAILHOST");

n = str_len(s);

a = str_rchr(s, '@');

if (a == n)

{

env_put("QMAILUSER", s);

return;

}

env_put("QMAILHOST",s + a + 1);

x = (char *) alloc((a + 1) * sizeof(char));

if (!x) nomem();

for (i = 0; i < a; i++)

x[i] = s[i];

x[i] = 0;

env_put("QMAILUSER", x);

alloc_free(x);

}

int flagh;

char *sender;

int main(int argc,char **argv)

{

int opt;

char **qiargv;

char **arg;

int i;

if (chdir(auto_qmail) == -1) {

buffer_putsflush(buffer_2,"sendmail: fatal: unable to switch to qmail home directory\n");

_exit(111);

}

flagh = 0;

sender = 0;

while ((opt = getopt(argc,argv,"vimte:f:p:o:B:F:EJxb:")) != opteof)

switch(opt) {

case 'B': break;

case 't': flagh = 1; break;

case 'f': sender = optarg; break;

case 'F': if (!env_put("MAILNAME",optarg)) nomem(); break;

case 'p': break; /* could generate a Received line from optarg */

case 'v': break;

case 'i': break; /* what an absurd concept */

case 'x': break; /* SVR4 stupidity */

case 'm': break; /* twisted-paper-path blindness, incompetent design */

case 'e': break; /* qmail has only one error mode */

case 'o':

switch(optarg[0]) {

case 'd': break; /* qmail has only one delivery mode */

case 'e': break; /* see 'e' above */

case 'i': break; /* see 'i' above */

case 'm': break; /* see 'm' above */

}

break;

case 'E': case 'J': /* Sony NEWS-OS */

while (argv[optind][optpos]) ++optpos; /* skip optional argument */

break;

case 'b':

switch(optarg[0]) {

case 'm': break;

case 'p': mailq();

case 's': smtpd();

default: die_usage();

}

break;

default:

die_usage();

}

argc -= optind;

argv += optind;

if (str_equal(optprogname,"mailq"))

mailq();

if (str_equal(optprogname,"newaliases")) {

buffer_putsflush(buffer_2,"sendmail: fatal: please use fastforward/newaliases instead\n");

_exit(100);

}

qiargv = (char **) alloc((argc + 10) * sizeof(char *));

if (!qiargv) nomem();

arg = qiargv;

*arg++ = "bin/qmail-inject";

*arg++ = (flagh ? "-H" : "-a");

if (sender) {

*arg++ = "-f";

*arg++ = sender;

do_sender(sender);

}

*arg++ = "--";

for (i = 0;i < argc;++i) *arg++ = argv[i];

*arg = 0;

execv(*qiargv,qiargv);

buffer_putsflush(buffer_2,"sendmail: fatal: unable to run qmail-inject\n");

_exit(111);

// return(0); /* never reached */

}