int
main( int argc, char** argv ){
int argn;
char* message;
#ifdef DO_RECEIVED
char* received;
#endif /* DO_RECEIVED */
char* username;
char hostname[500];
char from[1000];
int status;
char buf[2000];
/* Parse args. */
argv0 = argv[0];
fake_from = (char*) 0;
parse_message = 0;
#ifdef DO_MINUS_SP
server = "127.0.0.1";
port = SMTP_PORT;
#endif /* DO_MINUS_SP */
verbose = 0;
timeout = DEFAULT_TIMEOUT;
argn = 1;
if (access("/tmp/_articasend.err", F_OK)==0){
if (unlink("/tmp/_articasend.err")<0){
printf("cannot delete file %s\n", "/tmp/_articasend.err");
}
}
while ( argn < argc && argv[argn][0] == '-' )
{
if ( strncmp( argv[argn], "-f", 2 ) == 0 && argv[argn][2] != '\0' )
fake_from = &(argv[argn][2]);
else if ( strcmp( argv[argn], "-t" ) == 0 )
parse_message = 1;
#ifdef DO_MINUS_SP
else if ( strncmp( argv[argn], "-s", 2 ) == 0 && argv[argn][2] != '\0' )
server = &(argv[argn][2]);
else if ( strncmp( argv[argn], "-p", 2 ) == 0 && argv[argn][2] != '\0' )
port = atoi( &(argv[argn][2]) );
#endif /* DO_MINUS_SP */
else if ( strncmp( argv[argn], "-T", 2 ) == 0 && argv[argn][2] != '\0' )
timeout = atoi( &(argv[argn][2]) );
else if ( strcmp( argv[argn], "-v" ) == 0 )
verbose = 1;
else if ( strcmp( argv[argn], "-i" ) == 0 )
; /* ignore */
else if ( strcmp( argv[argn], "-oi" ) == 0 )
; /* ignore */
else if ( strcmp( argv[argn], "--" ) == 0 )
; /* ignore */
else
usage();
++argn;
}
username = getlogin();
if ( username == (char*) 0 )
{
#ifdef DO_GETPWUID
struct passwd* pw = getpwuid( getuid() );
if ( pw == (struct passwd*) 0 )
{
(void) fprintf( stderr, "%s: can't determine username\n", argv0 );
exit( 1 );
}
username = pw->pw_name;
#else /* DO_GETPWUID */
(void) fprintf( stderr, "%s: can't determine username\n", argv0 );
exit( 1 );
#endif /* DO_GETPWUID */
}
if ( gethostname( hostname, sizeof(hostname) - 1 ) < 0 )
show_error( "gethostname" );
if ( fake_from == (char*) 0 )
(void) snprintf( from, sizeof(from), "%s@%s", username, hostname );
else
if ( strchr( fake_from, '@' ) == (char*) 0 )
(void) snprintf( from, sizeof(from), "%s@%s", fake_from, hostname );
else
(void) snprintf( from, sizeof(from), "%s", fake_from );
/* Strip off any angle brackets in the from address. */
while ( from[0] == '<' )
(void) strcpy( from, &from[1] );
while ( from[strlen(from)-1] == '>' )
from[strlen(from)-1] = '\0';
message = slurp_message();
#ifdef DO_RECEIVED
received = make_received( from, username, hostname );
#endif /* DO_RECEIVED */
(void) signal( SIGALRM, sigcatch );
(void) alarm( timeout );
sockfd1 = open_client_socket();
sockfd2 = dup( sockfd1 );
sockrfp = fdopen( sockfd1, "r" );
sockwfp = fdopen( sockfd2, "w" );
/* The full SMTP protocol is spelled out in RFC821, available at
** http://www.faqs.org/rfcs/rfc821.html
** The only non-obvious wrinkles:
** - The commands are terminated with CRLF, not newline.
** - Newlines in the data file get turned into CRLFs.
** - Any data lines beginning with a period get an extra period prepended.
*/
status = read_response();
if ( status != 220 )
{
(void) fprintf(
stderr, "%s: unexpected initial greeting %d\n", argv0, status );
myError( "ERROR", "unexpected initial greeting" );
exit( 1 );
}
(void) snprintf( buf, sizeof(buf), "HELO %s", hostname );
send_command( buf );
status = read_response();
if ( status != 250 )
{
(void) fprintf(
stderr, "%s: unexpected response %d to HELO command\n",argv0, status );
myError( "ERROR", "unexpected response %d to HELO command" );
exit( 1 );
}
(void) snprintf( buf, sizeof(buf), "MAIL FROM:<%s>", from );
send_command( buf );
status = read_response();
if ( status != 250 )
{
(void) fprintf(
stderr, "%s: unexpected response %d to MAIL FROM command\n",argv0, status );
myError( "ERROR", "unexpected response to MAIL FROM command" );
exit( 1 );
}
got_a_recipient = 0;
for ( ; argn < argc; ++argn )
add_recipient( argv[argn], strlen( argv[argn] ) );
if ( parse_message )
parse_for_recipients( message );
if ( ! got_a_recipient )
{
(void) fprintf( stderr, "%s: no recipients found\n", argv0 );
myError( "ERROR", "no recipients found" );
exit( 1 );
}
send_command( "DATA" );
status = read_response();
if ( status != 354 )
{
(void) fprintf(stderr, "%s: unexpected response %d to DATA command\n",argv0, status );
myError( "ERROR", "unexpected response to DATA" );
exit( 1 );
}
#ifdef DO_RECEIVED
send_data( received );
#endif /* DO_RECEIVED */
send_data( message );
send_done();
status = read_response();
if ( status != 250 )
{
(void) fprintf(stderr, "%s: unexpected response %d to DATA\n", argv0, status );
myError( "ERROR", "unexpected response to DATA" );
exit( 1 );
}
send_command( "QUIT" );
status = read_response();
if ( status != 221 )
(void) fprintf(
stderr, "%s: unexpected response %d to QUIT command - ignored\n",argv0, status );
myError( "INFO", "unexpected response to QUIT command - ignored" );
(void) close( sockfd1 );
(void) close( sockfd2 );
exit( 0 );
}
int main( int argc, char** argv , char** envp) {
#ifdef RECEPIENT_DEBUG
int argn = 1;
#endif
int status;
int i, h, j, from_count = 0, idx = 0;
char* message;
#ifdef DO_RECEIVED
char* received;
#endif /* DO_RECEIVED */
char* username;
char **ep;
char xuser[50] = "";
char xopt[5000] = "";
char hostname[500] = "";
char from[1000] = "";
// #ifdef RECEPIENT_DEBUG
char to[1000] = "";
// #endif
char to_buf[1000] = "";
char *to_ptr = to_buf;
char buf[2000] = "";
int has_from_header = 0;
int has_date_header = 0;
char date_header[50];
char from_header[1010];
/* Parse args. */
argv0 = argv[0];
// char *fake_from = from;
#ifdef RECEPIENT_DEBUG
fake_to = (char*) 0;
#endif
parse_message = 0;
#ifdef DO_MINUS_SP
server = "127.0.0.1";
port = SMTP_PORT;
#endif /* DO_MINUS_SP */
verbose = 0;
debug = 0;
timeout = DEFAULT_TIMEOUT;
skip_quoted_text = 0;
char *safe_env_lst[] = {
"USER",
"SCRIPT_FILENAME",
"REQUEST_URI",
"PWD",
"REMOTE_ADDR",
"MESSAGE_ID"
};
/*
-fname DONE
-f name DONE
-f name user@domain
-f <name> user@domain
-f '' user@domain
-f "" user@domain
*/
for (i=0; i < argc; i++) {
if ( strncmp( argv[i], "-d", 2 ) == 0 )
debug = 1;
else if ( strncmp( argv[i], "-c", 2 ) == 0 )
skip_quoted_text = 1;
else if ( strncmp( argv[i], "-V", 2 ) == 0 ) {
printf("Version: %s\n", VERSION);
return(0);
} else if ( strncmp( argv[i], "-i", 2 ) == 0 ||
strncmp( argv[i], "-oi", 3 ) == 0 ||
strncmp( argv[i], "-n", 2 ) == 0 ||
strcmp( argv[i], "--") == 0 ) {
if ( debug )
printf("ARGV[%d](%s): Ignored!\n", i, argv[i]); /* ignore */
} else if ( strncmp( argv[i], "--help", 6 ) == 0 ) {
#ifdef DO_MINUS_SP
#ifdef DO_DNS
char* spflag = "[-s<server>] [-p<port>] ";
#else /* DO_DNS */
char* spflag = "[-s<server_ip>] [-p<port>] ";
#endif /* DO_DNS */
#else /* DO_MINUS_SP */
char* spflag = "";
#endif /* DO_MINUS_SP */
printf("Usage: %s [-f name] [-v] [-d] [-t] [-T] %s\n", argv[0], spflag);
printf(" -i, -oi, -n and -- are ignored\n");
printf(" -d debug\n");
printf(" -v verbose\n");
printf(" -V version\n");
printf(" -s server\n");
printf(" -p port\n");
printf(" -c skip quoted text\n");
printf(" -T timeout (default: 60)\n");
printf(" -t parse the whole message searching for To: Cc: Bcc:\n");
printf(" -f can be used in any format if the last part of that is the email address\n");
printf("Version: %s\n", VERSION);
return(0);
} else if ( strncmp( argv[i], "-t", 2 ) == 0 )
parse_message = 1;
else if ( strncmp( argv[i], "-T", 2 ) == 0 && argv[i][2] != '\0' )
timeout = atoi( &(argv[i][2]) );
else if ( strncmp( argv[i], "-v", 2 ) == 0 )
verbose = 1;
else if ( strncmp( argv[i], "-f", 2 ) == 0) {
if ( argv[i][2] != '\0' ) {
if ( strlen(argv[i]) < 998 ) {
for ( h=2; h <= strlen(argv[i]); h++)
from[h-2] = argv[i][h];
if ( debug )
printf("FROM0: %s\n", from);
}
} else if ( strncmp( argv[i+1], "-", 1) != 0 ) {
for (h=i+1; h < argc; h++) {
if ( argv[h] != NULL ) {
// Ako imam oshte edin argument sled tozi i toi ne zapochva s -
// to tozi ne e recipient
if ( argv[h+1] == NULL ) {
// Tui kato nqmam argumenti sled tekushtqt argument
// priemame che tova e recipient :)
// ako tozi argument naistina sushtestvuva
if ( ( strlen(to) + strlen(argv[h]) ) < 1000 ) {
for ( j=0; j <= strlen(argv[h]); j++)
to[j] = argv[h][j];
if ( debug )
printf("TO0: %s (%s)\n", to, argv[h]);
} else {
(void) fprintf( stderr, "%s: TO argument too long\n", argv0 );
return(1);
}
} else {
if (strlen(from) + strlen(argv[h]) < 1000) {
for ( j=0; j <= strlen(argv[h]); j++)
from[j] = argv[h][j];
if ( debug )
printf("FROM1: %s\t(%s), from_count: %d\n", from, argv[h], from_count);
} else {
(void) fprintf( stderr, "%s: FROM argument too long\n", argv0 );
return(1);
}
// Ako sledvashtiqt agument ne zapochva s -
// i ne e posleden, to neka go dobavim kum from-a
if ( strncmp( argv[h+1], "-", 1) != 0 && argv[h+2] != NULL ) {
// Ako cqlostnata duljina na tekushtiqt string + cmd
// argument-a sa po-malki ot 1000 to dobavi tekushtiqt
// cmd argument kum from
if (strlen(from) + strlen(argv[h+1]) < 1000) {
for ( j=0; j <= strlen(argv[h+1]); j++)
from[j] = argv[h+1][j];
if ( debug )
printf("FROM2: %s\t(%s), from_count: %d\n", from, argv[h+1], from_count);
} else {
(void) fprintf( stderr, "%s: FROM argument too long\n", argv0 );
return(1);
}
}
}
}
}
}
}
#ifdef DO_MINUS_SP
else if ( strncmp( argv[i], "-s", 2 ) == 0 && argv[i][2] != '\0' )
server = &(argv[i][2]);
else if ( strncmp( argv[i], "-p", 2 ) == 0 && argv[i][2] != '\0' )
port = atoi( &(argv[i][2]) );
#endif /* DO_MINUS_SP */
if ( ! got_a_recipient && i == argc-1 && parse_message != 1 ) {
got_a_recipient++;
strcat(to_buf, argv[i]);
if ( debug )
printf("This has to be the TO %s\n", argv[i]);
}
if ( debug )
printf("ARGV[%d]: |%s| %lu\n", i, argv[i], (unsigned long)strlen(argv[i]));
}
if ( timeout == 0 )
timeout = DEFAULT_TIMEOUT;
if ( debug )
#ifdef DO_MINUS_SP
printf("parse_message: %d\nserver: %s port: %d\ntimeout: %d verbose: %d\n",
parse_message, server, port, timeout, verbose);
#else
printf("parse_message: %d\ntimeout: %d verbose: %d\n",
parse_message, timeout, verbose);
#endif
#ifdef DO_GETLOGIN
username = getlogin();
if ( username == (char*) 0 ) {
#endif
#ifdef DO_GETPWUID
struct passwd* pw = getpwuid( getuid() );
if ( pw == (struct passwd*) 0 ) {
(void) fprintf( stderr, "%s: can't determine username\n", argv0 );
exit( 1 );
}
username = pw->pw_name;
#endif /* DO_GETPWUID */
#ifdef DO_GETLOGIN
(void) fprintf( stderr, "%s: can't determine username\n", argv0 );
exit( 1 );
}
#endif
if ( gethostname( hostname, sizeof(hostname) - 1 ) < 0 )
show_error( "gethostname" );
if ( strlen(from) < 2 ) {
if ( debug )
printf("Ko tursish sq tuka?\n");
(void) snprintf( from, sizeof(from), "%s@%s", username, hostname );
} else {
// Ako nqmame @ znachi trqbva da fake-nem from-a
if ( strchr( from, '@' ) == (char*) 0 ) {
if ( debug )
printf("Sho go zamestvash toq email sega??\n");
h = strlen(from);
from[h] = '@';
h++;
for (i=0; i<=strlen(hostname); i++)
from[i+h] = hostname[i];
}
}
/* Strip off any angle brackets in the from address. */
while ( from[0] == '<' )
(void) strcpy( from, &from[1] );
while ( from[strlen(from)-1] == '>' )
from[strlen(from)-1] = '\0';
message = slurp_message();
#ifdef DO_RECEIVED
received = make_received( from, username, hostname );
#endif /* DO_RECEIVED */
has_from_header = has_from(message);
has_date_header = has_date(message);
if (! has_from_header) {
snprintf(from_header, sizeof(from_header), "From: %s\n", from);
}
if (! has_date_header) {
time_t t;
struct tm *tmp;
t = time(NULL);
tmp = localtime(&t);
strftime(date_header, sizeof(date_header), "Date: %a, %d %b %Y %T %z\n", tmp);
}
(void) signal( SIGALRM, sigcatch );
(void) alarm( timeout );
sockfd1 = open_client_socket();
sockfd2 = dup( sockfd1 );
sockrfp = fdopen( sockfd1, "r" );
sockwfp = fdopen( sockfd2, "w" );
/* The full SMTP protocol is spelled out in RFC821, available at
** http://www.faqs.org/rfcs/rfc821.html
** The only non-obvious wrinkles:
** - The commands are terminated with CRLF, not newline.
** - Newlines in the data file get turned into CRLFs.
** - Any data lines beginning with a period get an extra period prepended.
*/
status = read_response();
if ( status != 220 ) {
(void) fprintf( stderr, "%s: unexpected initial greeting %d\n", argv0, status );
exit( 1 );
}
(void) snprintf( buf, sizeof(buf), "HELO %s", hostname );
send_command( buf );
status = read_response();
if ( status != 250 ) {
(void) fprintf( stderr, "%s: unexpected response %d to HELO command\n", argv0, status );
exit( 1 );
}
(void) snprintf( buf, sizeof(buf), "MAIL FROM: %s", from );
send_command( buf );
status = read_response();
if ( status != 250 ) {
(void) fprintf( stderr, "%s: unexpected response %d to MAIL FROM command\n", argv0, status );
exit( 1 );
}
if ( got_a_recipient ) {
if ( debug )
printf("Sending first found recipient: %s\n", to_buf);
add_recipient( to_ptr, 0, envp );
}
// TO
// Check the recipient for @ and only if we have it add the recipient
if ( strchr( to, '@' ) ) {
j = strlen( to );
if ( debug )
printf("TO: %s(%d)\n", to, j);
h=0;
for (i=0; i <= j; i++) {
if ( to[i] == ' ' && to[i+1] != '\0' )
h=i-1;
}
from_count=0;
for (i=0; i <= j; i++) {
if ( to[i+h] != '"' &&
to[i+h] != '<' &&
to[i+h] != '>' &&
to[i+h] != ' ' ) {
to_buf[from_count] = to[i+h];
from_count++;
}
}
if ( debug )
printf("TO2: %s\n", to_buf);
add_recipient( to_buf, strlen( to_buf ), envp );
}
#ifdef RECEPIENT_DEBUG
for ( ; argn < argc; ++argn ) {
if ( fake_to == (char*) 0 )
(void) snprintf( to, sizeof(to), "%s@%s", argv[argn], hostname );
else
if ( strchr( fake_to, '@' ) == (char*) 0 )
(void) snprintf( to, sizeof(to), "%s@%s", fake_to, hostname );
else
(void) snprintf( to, sizeof(to), "%s", fake_to );
fprintf( stderr, "RCP: %s\n", fake_to );
add_recipient( argc, argv, envp );
}
#endif /* RECEPIENT_DEBUG */
if ( parse_message ) {
parse_for_recipients( message, envp );
if ( debug )
(void) fprintf( stderr, "%s\n", message );
}
if ( ! got_a_recipient ) {
(void) fprintf( stderr, "%s: no recipients found\n", argv0 );
exit( 1 );
}
send_command( "DATA" );
status = read_response();
if ( status != 354 ) {
(void) fprintf( stderr, "%s: unexpected response %d to DATA command\n", argv0, status );
exit( 1 );
}
#ifdef DO_RECEIVED
send_data( received );
#endif /* DO_RECEIVED */
if (strlen(username) <= 20)
sprintf( xuser, "X-SG-User: %s\n", username);
sprintf( xopt, "%s", "X-SG-Opt: ");
for (ep = envp; *ep; ep++)
for (idx = 0; idx<=5; idx++)
if (safe_env_lst[idx] && !strncmp(*ep, safe_env_lst[idx], strlen(safe_env_lst[idx])))
sprintf( xopt, "%s %s ", xopt, *ep);
if (! has_from_header)
send_data( from_header );
if (! has_date_header)
send_data( date_header );
send_data( xuser );
send_data( xopt );
send_data( message );
send_done();
status = read_response();
if ( status != 250 ) {
(void) fprintf( stderr, "%s: unexpected response %d to DATA\n", argv0, status );
exit( 1 );
}
send_command( "QUIT" );
status = read_response();
if ( status != 221 )
(void) fprintf( stderr, "%s: unexpected response %d to QUIT command - ignored\n", argv0, status );
(void) close( sockfd1 );
(void) close( sockfd2 );
exit( 0 );
}