mirror of
https://bitbucket.org/jsuto/piler.git
synced 2024-12-25 09:20:11 +01:00
388 lines
12 KiB
C
388 lines
12 KiB
C
/*
|
|
* smtp.c, SJ
|
|
*/
|
|
|
|
#include "test.h"
|
|
|
|
|
|
extern char *optarg;
|
|
extern int optind;
|
|
|
|
char *testmessage = "From: aaa@aaa.fu\nTo: bela@aaa.fu\nMessage-Id: ajajajaja\nSubject: this is a test\n\nAaaaaa.";
|
|
|
|
int helo = 0; // 0=HELO, 1=EHLO
|
|
|
|
void usage(){
|
|
printf("\nusage: smtp\n\n");
|
|
printf(" -s <smtp server> SMTP server\n");
|
|
printf(" -p <smtp port> SMTP port (25)\n");
|
|
printf(" -t <timeout> Timeout in sec (10)\n");
|
|
|
|
exit(0);
|
|
}
|
|
|
|
|
|
void connect_to_smtp_server(char *server, int port, struct data *data){
|
|
int rc;
|
|
char port_string[8], buf[MAXBUFSIZE];
|
|
struct addrinfo hints, *res;
|
|
|
|
if(data == NULL) return;
|
|
|
|
data->net->socket = -1;
|
|
|
|
snprintf(port_string, sizeof(port_string)-1, "%d", port);
|
|
|
|
memset(&hints, 0, sizeof(hints));
|
|
hints.ai_family = AF_UNSPEC;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
|
|
if((rc = getaddrinfo(server, port_string, &hints, &res)) != 0){
|
|
printf("getaddrinfo for '%s': %s\n", server, gai_strerror(rc));
|
|
return;
|
|
}
|
|
|
|
if((data->net->socket = socket(res->ai_family, res->ai_socktype, res->ai_protocol)) == -1){
|
|
printf("cannot create socket\n");
|
|
goto ENDE;
|
|
}
|
|
|
|
if(connect(data->net->socket, res->ai_addr, res->ai_addrlen) == -1){
|
|
printf("connect()\n");
|
|
goto ENDE;
|
|
}
|
|
|
|
recvtimeoutssl(data->net, buf, sizeof(buf));
|
|
printf("rcvd: %s", buf);
|
|
|
|
ENDE:
|
|
freeaddrinfo(res);
|
|
}
|
|
|
|
|
|
void send_smtp_command(struct net *net, char *cmd, char *buf, int buflen){
|
|
if(net == NULL || cmd == NULL) return;
|
|
|
|
if(net->socket == -1){
|
|
printf("not connected to remote host\n");
|
|
return;
|
|
}
|
|
|
|
printf("sent: %s", cmd);
|
|
write1(net, cmd, strlen(cmd));
|
|
recvtimeoutssl(net, buf, buflen);
|
|
printf("rcvd: %s", buf);
|
|
}
|
|
|
|
|
|
void send_helo_command(struct net *net){
|
|
char recvbuf[MAXBUFSIZE];
|
|
|
|
if(helo == 0){
|
|
send_smtp_command(net, "HELO aaaa.fu\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "HELO");
|
|
}
|
|
else {
|
|
send_smtp_command(net, "EHLO aaaa.fu\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250-", 4) == 0 && "EHLO");
|
|
if(net->use_ssl == 0) assert(strstr(recvbuf, "250-STARTTLS") && "STARTTLS");
|
|
else assert(strstr(recvbuf, "250-STARTTLS") == NULL && "STARTTLS");
|
|
}
|
|
}
|
|
|
|
|
|
static void test_smtp_commands_one_at_a_time(char *server, int port, struct data *data){
|
|
char recvbuf[MAXBUFSIZE], sendbuf[MAXBUFSIZE];
|
|
|
|
connect_to_smtp_server(server, port, data);
|
|
|
|
send_helo_command(data->net);
|
|
|
|
send_smtp_command(data->net, "MAIL FROM: <sender@aaa.fu>\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "MAIL");
|
|
|
|
send_smtp_command(data->net, "RCPT TO: <archive@aaa.fu>\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "RCPT");
|
|
|
|
send_smtp_command(data->net, "DATA\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "354 ", 4) == 0 && "DATA");
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf)-1, "%s\r\n.\r\n", testmessage);
|
|
|
|
send_smtp_command(data->net, sendbuf, recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "PERIOD");
|
|
|
|
send_smtp_command(data->net, "QUIT\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "221 ", 4) == 0 && "QUIT");
|
|
|
|
close(data->net->socket);
|
|
}
|
|
|
|
|
|
static void test_smtp_commands_pipelining(char *server, int port, struct data *data){
|
|
char recvbuf[MAXBUFSIZE], sendbuf[MAXBUFSIZE];
|
|
|
|
connect_to_smtp_server(server, port, data);
|
|
|
|
send_helo_command(data->net);
|
|
|
|
send_smtp_command(data->net, "MAIL FROM: <sender@aaa.fu>\r\nRCPT TO: <archive@aaa.fu>\r\nDATA\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "MAIL");
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf)-1, "%s\r\n.\r\nQUIT\r\n", testmessage);
|
|
|
|
send_smtp_command(data->net, sendbuf, recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "QUIT");
|
|
|
|
close(data->net->socket);
|
|
}
|
|
|
|
|
|
static void test_smtp_commands_with_reset_command(char *server, int port, struct data *data){
|
|
char recvbuf[MAXBUFSIZE];
|
|
|
|
connect_to_smtp_server(server, port, data);
|
|
|
|
send_helo_command(data->net);
|
|
|
|
send_smtp_command(data->net, "MAIL FROM: <sender@aaa.fu>\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "MAIL");
|
|
|
|
send_smtp_command(data->net, "RSET\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "RSET");
|
|
|
|
send_smtp_command(data->net, "RCPT TO: <archive@aaa.fu>\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "503 ", 4) == 0 && "RCPT");
|
|
|
|
send_smtp_command(data->net, "QUIT\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "221 ", 4) == 0 && "QUIT");
|
|
|
|
close(data->net->socket);
|
|
}
|
|
|
|
|
|
static void test_smtp_commands_partial_command(char *server, int port, struct data *data){
|
|
char recvbuf[MAXBUFSIZE], sendbuf[MAXBUFSIZE];
|
|
|
|
connect_to_smtp_server(server, port, data);
|
|
|
|
send_helo_command(data->net);
|
|
|
|
write1(data->net, "M", 1);
|
|
printf("sent: M\n");
|
|
|
|
send_smtp_command(data->net, "AIL FROM: <sender@aaa.fu>\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "MAIL");
|
|
|
|
send_smtp_command(data->net, "RCPT TO: <archive@aaa.fu>\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "RCPT");
|
|
|
|
send_smtp_command(data->net, "DATA\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "354 ", 4) == 0 && "DATA");
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf)-1, "%s\r\n.\r\n", testmessage);
|
|
|
|
send_smtp_command(data->net, sendbuf, recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "PERIOD");
|
|
|
|
send_smtp_command(data->net, "QUIT\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "221 ", 4) == 0 && "QUIT");
|
|
|
|
close(data->net->socket);
|
|
}
|
|
|
|
|
|
static void test_smtp_commands_partial_command_pipelining(char *server, int port, struct data *data){
|
|
char recvbuf[MAXBUFSIZE], sendbuf[MAXBUFSIZE];
|
|
|
|
connect_to_smtp_server(server, port, data);
|
|
|
|
send_helo_command(data->net);
|
|
|
|
write1(data->net, "M", 1);
|
|
printf("sent: M\n");
|
|
|
|
send_smtp_command(data->net, "AIL FROM: <sender@aaa.fu>\r\nRCPT TO: <archive@aaa.fu>\r\nDATA\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "MAIL");
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf)-1, "%s\r\n.\r\nQUIT\r\n", testmessage);
|
|
|
|
send_smtp_command(data->net, sendbuf, recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "QUIT");
|
|
|
|
close(data->net->socket);
|
|
}
|
|
|
|
|
|
static void test_smtp_commands_starttls(char *server, int port, struct data *data){
|
|
char recvbuf[MAXBUFSIZE], sendbuf[MAXBUFSIZE];
|
|
|
|
connect_to_smtp_server(server, port, data);
|
|
|
|
send_helo_command(data->net);
|
|
|
|
send_smtp_command(data->net, "STARTTLS\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "220 ", 4) == 0 && "STARTTLS");
|
|
|
|
init_ssl_to_server(data);
|
|
data->net->use_ssl = 1;
|
|
|
|
send_helo_command(data->net);
|
|
|
|
send_smtp_command(data->net, "MAIL FROM: <sender@aaa.fu>\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "MAIL");
|
|
|
|
send_smtp_command(data->net, "RCPT TO: <archive@aaa.fu>\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "RCPT");
|
|
|
|
send_smtp_command(data->net, "DATA\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "354 ", 4) == 0 && "DATA");
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf)-1, "%s\r\n.\r\n", testmessage);
|
|
|
|
send_smtp_command(data->net, sendbuf, recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "PERIOD");
|
|
|
|
send_smtp_command(data->net, "QUIT\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "221 ", 4) == 0 && "QUIT");
|
|
|
|
close(data->net->socket);
|
|
}
|
|
|
|
|
|
static void test_smtp_commands_period_command_in_2_parts(char *server, int port, char *part1, char *part2, struct data *data){
|
|
char recvbuf[MAXBUFSIZE], sendbuf[MAXBUFSIZE];
|
|
|
|
connect_to_smtp_server(server, port, data);
|
|
|
|
send_helo_command(data->net);
|
|
|
|
send_smtp_command(data->net, "MAIL FROM: <sender@aaa.fu>\r\nRCPT TO: <archive@aaa.fu>\r\nDATA\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "MAIL");
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf)-1, "%s%s", testmessage, part1);
|
|
write1(data->net, sendbuf, strlen(sendbuf));
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf), "%s", part2);
|
|
send_smtp_command(data->net, sendbuf, recvbuf, sizeof(recvbuf)-1);
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf)-1, "QUIT\r\n");
|
|
send_smtp_command(data->net, sendbuf, recvbuf, sizeof(recvbuf)-1);
|
|
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "QUIT");
|
|
|
|
close(data->net->socket);
|
|
}
|
|
|
|
|
|
static void test_smtp_commands_period_command_in_its_own_packet(char *server, int port, struct data *data){
|
|
char recvbuf[MAXBUFSIZE], sendbuf[MAXBUFSIZE];
|
|
|
|
connect_to_smtp_server(server, port, data);
|
|
|
|
send_helo_command(data->net);
|
|
|
|
send_smtp_command(data->net, "MAIL FROM: <sender@aaa.fu>\r\nRCPT TO: <archive@aaa.fu>\r\nDATA\r\n", recvbuf, sizeof(recvbuf)-1);
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "MAIL");
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf)-1, "%s", testmessage);
|
|
write1(data->net, sendbuf, strlen(sendbuf));
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf), "\r\n.\r\n");
|
|
send_smtp_command(data->net, sendbuf, recvbuf, sizeof(recvbuf)-1);
|
|
|
|
snprintf(sendbuf, sizeof(sendbuf)-1, "QUIT\r\n");
|
|
send_smtp_command(data->net, sendbuf, recvbuf, sizeof(recvbuf)-1);
|
|
|
|
assert(strncmp(recvbuf, "250 ", 4) == 0 && "QUIT");
|
|
|
|
close(data->net->socket);
|
|
}
|
|
|
|
|
|
int main(int argc, char **argv){
|
|
int port=25;
|
|
char *server=NULL;
|
|
struct data data;
|
|
struct net net;
|
|
|
|
net.timeout = 10;
|
|
net.use_ssl = 0;
|
|
net.ssl = NULL;
|
|
|
|
while(1){
|
|
|
|
#ifdef _GNU_SOURCE
|
|
static struct option long_options[] =
|
|
{
|
|
{"server", required_argument, 0, 's' },
|
|
{"port", required_argument, 0, 'p' },
|
|
{"timeout", required_argument, 0, 't' },
|
|
{"lhlo", no_argument, 0, 'l' },
|
|
{"help", no_argument, 0, 'h' },
|
|
{0,0,0,0}
|
|
};
|
|
|
|
int option_index = 0;
|
|
|
|
int c = getopt_long(argc, argv, "c:s:p:t:lh?", long_options, &option_index);
|
|
#else
|
|
int c = getopt(argc, argv, "c:s:p:t:lh?");
|
|
#endif
|
|
|
|
|
|
if(c == -1) break;
|
|
|
|
switch(c){
|
|
|
|
case 's' :
|
|
server = optarg;
|
|
break;
|
|
|
|
case 'p' :
|
|
port = atoi(optarg);
|
|
break;
|
|
|
|
case 't' :
|
|
net.timeout = atoi(optarg);
|
|
break;
|
|
|
|
case 'l' :
|
|
helo = 1;
|
|
break;
|
|
|
|
case 'h' :
|
|
case '?' :
|
|
usage();
|
|
break;
|
|
|
|
|
|
default :
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(!server) usage();
|
|
|
|
data.net = &net;
|
|
|
|
test_smtp_commands_one_at_a_time(server, port, &data);
|
|
test_smtp_commands_pipelining(server, port, &data);
|
|
test_smtp_commands_with_reset_command(server, port, &data);
|
|
test_smtp_commands_partial_command(server, port, &data);
|
|
test_smtp_commands_partial_command_pipelining(server, port, &data);
|
|
test_smtp_commands_period_command_in_2_parts(server, port, "\r", "\n.\r\n", &data);
|
|
test_smtp_commands_period_command_in_2_parts(server, port, "\r\n", ".\r\n", &data);
|
|
test_smtp_commands_period_command_in_2_parts(server, port, "\r\n.", "\r\n", &data);
|
|
test_smtp_commands_period_command_in_2_parts(server, port, "\r\n.\r", "\n", &data);
|
|
test_smtp_commands_period_command_in_its_own_packet(server, port, &data);
|
|
|
|
helo = 1; // we must use EHLO to get the STARTTLS in the response
|
|
test_smtp_commands_starttls(server, port, &data);
|
|
|
|
|
|
return 0;
|
|
}
|
|
|
|
|