mirror of
https://bitbucket.org/jsuto/piler.git
synced 2024-11-08 07:11:59 +01:00
piler.c trimming
Change-Id: I0b1ca133a291680534171b517bcfdaf70e0302b3 Signed-off-by: SJ <sj@acts.hu>
This commit is contained in:
SJ
parent
028ee95365
commit
d505fd10c2
@ -11,7 +11,7 @@
|
|||||||
|
|
||||||
#define VERSION "1.3.0-master"
|
#define VERSION "1.3.0-master"
|
||||||
|
|
||||||
#define BUILD 975
|
#define BUILD 976
|
||||||
|
|
||||||
#define HOSTID "mailarchiver"
|
#define HOSTID "mailarchiver"
|
||||||
|
|
||||||
|
|||||||
82
src/piler.c
82
src/piler.c
@ -31,7 +31,6 @@
|
|||||||
extern char *optarg;
|
extern char *optarg;
|
||||||
extern int optind;
|
extern int optind;
|
||||||
|
|
||||||
int sd;
|
|
||||||
int quit = 0;
|
int quit = 0;
|
||||||
int received_sighup = 0;
|
int received_sighup = 0;
|
||||||
char *configfile = CONFIG_FILE;
|
char *configfile = CONFIG_FILE;
|
||||||
@ -42,20 +41,7 @@ struct passwd *pwd;
|
|||||||
struct child children[MAXCHILDREN];
|
struct child children[MAXCHILDREN];
|
||||||
|
|
||||||
|
|
||||||
static void takesig(int sig);
|
void takesig(int sig){
|
||||||
static void child_sighup_handler(int sig);
|
|
||||||
static void child_main(struct child *ptr);
|
|
||||||
static pid_t child_make(struct child *ptr);
|
|
||||||
int search_slot_by_pid(pid_t pid);
|
|
||||||
void kill_children(int sig);
|
|
||||||
void p_clean_exit();
|
|
||||||
void fatal(char *s);
|
|
||||||
void initialise_configuration();
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
static void takesig(int sig){
|
|
||||||
int i, status;
|
int i, status;
|
||||||
pid_t pid;
|
pid_t pid;
|
||||||
|
|
||||||
@ -94,7 +80,7 @@ static void takesig(int sig){
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
static void child_sighup_handler(int sig){
|
void child_sighup_handler(int sig){
|
||||||
if(sig == SIGHUP){
|
if(sig == SIGHUP){
|
||||||
received_sighup = 1;
|
received_sighup = 1;
|
||||||
}
|
}
|
||||||
@ -175,10 +161,10 @@ int process_email(char *filename, struct session_data *sdata, struct __data *dat
|
|||||||
|
|
||||||
gettimeofday(&tv2, &tz);
|
gettimeofday(&tv2, &tz);
|
||||||
|
|
||||||
syslog(LOG_PRIORITY, "%s: from=%s, size=%d/%d, attachments=%d, reference=%s, message-id=%s, retention=%d, folder=%d, delay=%.4f, status=%s",
|
syslog(LOG_PRIORITY, "%s: from=%s, size=%d/%d, attachments=%d, reference=%s, "
|
||||||
filename, sdata->fromemail, sdata->tot_len,
|
"message-id=%s, retention=%d, folder=%d, delay=%.4f, status=%s",
|
||||||
sdata->stored_len, parser_state.n_attachments,
|
filename, sdata->fromemail, sdata->tot_len, sdata->stored_len,
|
||||||
parser_state.reference, parser_state.message_id,
|
parser_state.n_attachments, parser_state.reference, parser_state.message_id,
|
||||||
parser_state.retention, data->folder, tvdiff(tv2,tv1)/1000000.0, status);
|
parser_state.retention, data->folder, tvdiff(tv2,tv1)/1000000.0, status);
|
||||||
|
|
||||||
return rc;
|
return rc;
|
||||||
@ -188,7 +174,7 @@ int process_email(char *filename, struct session_data *sdata, struct __data *dat
|
|||||||
int process_dir(char *directory, struct session_data *sdata, struct __data *data, struct __config *cfg){
|
int process_dir(char *directory, struct session_data *sdata, struct __data *data, struct __config *cfg){
|
||||||
DIR *dir;
|
DIR *dir;
|
||||||
struct dirent *de;
|
struct dirent *de;
|
||||||
int rc=ERR, tot_msgs=0;
|
int tot_msgs=0;
|
||||||
char fname[SMALLBUFSIZE];
|
char fname[SMALLBUFSIZE];
|
||||||
struct stat st;
|
struct stat st;
|
||||||
|
|
||||||
@ -204,16 +190,8 @@ int process_dir(char *directory, struct session_data *sdata, struct __data *data
|
|||||||
snprintf(fname, sizeof(fname)-1, "%s/%s", directory, de->d_name);
|
snprintf(fname, sizeof(fname)-1, "%s/%s", directory, de->d_name);
|
||||||
|
|
||||||
if(stat(fname, &st) == 0){
|
if(stat(fname, &st) == 0){
|
||||||
if(S_ISREG(st.st_mode)){
|
if(S_ISREG(st.st_mode) && process_email(fname, sdata, data, st.st_size, cfg) != ERR){
|
||||||
rc = process_email(fname, sdata, data, st.st_size, cfg);
|
|
||||||
|
|
||||||
if(rc == OK || rc == ERR_EXISTS){
|
|
||||||
tot_msgs++;
|
tot_msgs++;
|
||||||
unlink(fname);
|
|
||||||
}
|
|
||||||
|
|
||||||
//Oct 25 20:37:55 f5e88a047257 piler[3236]: 1/40000000580fc29234488f440fdc735c1869: size=172527/128280, delay=36067, status=stored
|
|
||||||
//syslog(LOG_PRIORITY, "%s: size=%d/%d, delay=%ld, status=%s", fname, sdata->tot_len, sdata->stored_len, tvdiff(tv2, tv1), status);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
@ -227,7 +205,7 @@ int process_dir(char *directory, struct session_data *sdata, struct __data *data
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
static void child_main(struct child *ptr){
|
void child_main(struct child *ptr){
|
||||||
struct session_data sdata;
|
struct session_data sdata;
|
||||||
char dir[TINYBUFSIZE];
|
char dir[TINYBUFSIZE];
|
||||||
|
|
||||||
@ -279,7 +257,7 @@ static void child_main(struct child *ptr){
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
static pid_t child_make(struct child *ptr){
|
pid_t child_make(struct child *ptr){
|
||||||
pid_t pid;
|
pid_t pid;
|
||||||
|
|
||||||
if((pid = fork()) > 0) return pid;
|
if((pid = fork()) > 0) return pid;
|
||||||
@ -350,8 +328,6 @@ void kill_children(int sig){
|
|||||||
|
|
||||||
|
|
||||||
void p_clean_exit(){
|
void p_clean_exit(){
|
||||||
if(sd != -1) close(sd);
|
|
||||||
|
|
||||||
kill_children(SIGTERM);
|
kill_children(SIGTERM);
|
||||||
|
|
||||||
clearrules(data.archiving_rules);
|
clearrules(data.archiving_rules);
|
||||||
@ -443,9 +419,7 @@ void initialise_configuration(){
|
|||||||
|
|
||||||
|
|
||||||
int main(int argc, char **argv){
|
int main(int argc, char **argv){
|
||||||
int i, rc, yes=1, daemonise=0, dedupfd;
|
int i, daemonise=0, dedupfd;
|
||||||
char port_string[8];
|
|
||||||
struct addrinfo hints, *res;
|
|
||||||
|
|
||||||
|
|
||||||
while((i = getopt(argc, argv, "c:dvVh")) > 0){
|
while((i = getopt(argc, argv, "c:dvVh")) > 0){
|
||||||
@ -483,8 +457,6 @@ int main(int argc, char **argv){
|
|||||||
initrules(data.retention_rules);
|
initrules(data.retention_rules);
|
||||||
initrules(data.folder_rules);
|
initrules(data.folder_rules);
|
||||||
data.dedup = MAP_FAILED;
|
data.dedup = MAP_FAILED;
|
||||||
memset(data.starttls, 0, sizeof(data.starttls));
|
|
||||||
|
|
||||||
|
|
||||||
initialise_configuration();
|
initialise_configuration();
|
||||||
|
|
||||||
@ -494,35 +466,6 @@ int main(int argc, char **argv){
|
|||||||
if(read_key(&cfg)) fatal(ERR_READING_KEY);
|
if(read_key(&cfg)) fatal(ERR_READING_KEY);
|
||||||
|
|
||||||
|
|
||||||
memset(&hints, 0, sizeof(hints));
|
|
||||||
hints.ai_family = AF_UNSPEC;
|
|
||||||
hints.ai_socktype = SOCK_STREAM;
|
|
||||||
|
|
||||||
snprintf(port_string, sizeof(port_string)-1, "%d", cfg.listen_port);
|
|
||||||
|
|
||||||
//if((rc = getaddrinfo(cfg.listen_addr, port_string, &hints, &res)) != 0){
|
|
||||||
if((rc = getaddrinfo("127.0.0.1", "5678", &hints, &res)) != 0){
|
|
||||||
fprintf(stderr, "getaddrinfo for '%s': %s\n", cfg.listen_addr, gai_strerror(rc));
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if((sd = socket(res->ai_family, res->ai_socktype, res->ai_protocol)) == -1)
|
|
||||||
fatal(ERR_OPEN_SOCKET);
|
|
||||||
|
|
||||||
if(setsockopt(sd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int)) == -1)
|
|
||||||
fatal(ERR_SET_SOCK_OPT);
|
|
||||||
|
|
||||||
if(bind(sd, res->ai_addr, res->ai_addrlen) == -1)
|
|
||||||
fatal(ERR_BIND_TO_PORT);
|
|
||||||
|
|
||||||
if(listen(sd, cfg.backlog) == -1)
|
|
||||||
fatal(ERR_LISTEN);
|
|
||||||
|
|
||||||
|
|
||||||
freeaddrinfo(res);
|
|
||||||
|
|
||||||
|
|
||||||
if(drop_privileges(pwd)) fatal(ERR_SETUID);
|
if(drop_privileges(pwd)) fatal(ERR_SETUID);
|
||||||
|
|
||||||
if(cfg.mmap_dedup_test == 1){
|
if(cfg.mmap_dedup_test == 1){
|
||||||
@ -537,21 +480,18 @@ int main(int argc, char **argv){
|
|||||||
|
|
||||||
syslog(LOG_PRIORITY, "%s %s, build %d starting", PROGNAME, VERSION, get_build());
|
syslog(LOG_PRIORITY, "%s %s, build %d starting", PROGNAME, VERSION, get_build());
|
||||||
|
|
||||||
|
|
||||||
#if HAVE_DAEMON == 1
|
#if HAVE_DAEMON == 1
|
||||||
if(daemonise == 1 && daemon(1, 0) == -1) fatal(ERR_DAEMON);
|
if(daemonise == 1 && daemon(1, 0) == -1) fatal(ERR_DAEMON);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
write_pid_file(cfg.pidfile);
|
write_pid_file(cfg.pidfile);
|
||||||
|
|
||||||
|
|
||||||
child_pool_create();
|
child_pool_create();
|
||||||
|
|
||||||
set_signal_handler(SIGCHLD, takesig);
|
set_signal_handler(SIGCHLD, takesig);
|
||||||
set_signal_handler(SIGTERM, takesig);
|
set_signal_handler(SIGTERM, takesig);
|
||||||
set_signal_handler(SIGHUP, takesig);
|
set_signal_handler(SIGHUP, takesig);
|
||||||
|
|
||||||
|
|
||||||
for(;;){ sleep(1); }
|
for(;;){ sleep(1); }
|
||||||
|
|
||||||
p_clean_exit();
|
p_clean_exit();
|
||||||
|
|||||||
14
src/piler.h
14
src/piler.h
@ -38,8 +38,6 @@ int make_digests(struct session_data *sdata, struct __config *cfg);
|
|||||||
void digest_file(char *filename, char *digest);
|
void digest_file(char *filename, char *digest);
|
||||||
void digest_string(char *s, char *digest);
|
void digest_string(char *s, char *digest);
|
||||||
|
|
||||||
int handle_smtp_session(struct session_ctx *sctx);
|
|
||||||
|
|
||||||
void remove_stripped_attachments(struct parser_state *state);
|
void remove_stripped_attachments(struct parser_state *state);
|
||||||
int process_message(struct session_data *sdata, struct parser_state *state, struct __data *data, struct __config *cfg);
|
int process_message(struct session_data *sdata, struct parser_state *state, struct __data *data, struct __config *cfg);
|
||||||
int reimport_message(struct session_data *sdata, struct parser_state *state, struct __data *data, struct __config *cfg);
|
int reimport_message(struct session_data *sdata, struct parser_state *state, struct __data *data, struct __config *cfg);
|
||||||
@ -69,9 +67,13 @@ int retrieve_file_from_archive(char *filename, int mode, char **buffer, FILE *de
|
|||||||
void load_mydomains(struct session_data *sdata, struct __data *data, struct __config *cfg);
|
void load_mydomains(struct session_data *sdata, struct __data *data, struct __config *cfg);
|
||||||
int is_email_address_on_my_domains(char *email, struct __data *data);
|
int is_email_address_on_my_domains(char *email, struct __data *data);
|
||||||
|
|
||||||
int is_blocked_by_tcp_wrappers(int sd);
|
void child_sighup_handler(int sig);
|
||||||
void send_response_to_data(struct session_ctx *sctx, char *rcptto);
|
void child_main(struct child *ptr);
|
||||||
void process_written_file(struct session_ctx *sctx);
|
pid_t child_make(struct child *ptr);
|
||||||
|
int search_slot_by_pid(pid_t pid);
|
||||||
|
void kill_children(int sig);
|
||||||
|
void p_clean_exit();
|
||||||
|
void fatal(char *s);
|
||||||
|
void initialise_configuration();
|
||||||
|
|
||||||
#endif /* _PILER_H */
|
#endif /* _PILER_H */
|
||||||
|
|
||||||
|
|||||||
545
src/session.c
545
src/session.c
@ -1,545 +0,0 @@
|
|||||||
/*
|
|
||||||
* session.c, SJ
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <string.h>
|
|
||||||
#include <strings.h>
|
|
||||||
#include <sys/types.h>
|
|
||||||
#include <sys/socket.h>
|
|
||||||
#include <sys/stat.h>
|
|
||||||
#include <fcntl.h>
|
|
||||||
#include <unistd.h>
|
|
||||||
#include <signal.h>
|
|
||||||
#include <syslog.h>
|
|
||||||
#include <time.h>
|
|
||||||
#include <openssl/ssl.h>
|
|
||||||
#include <openssl/err.h>
|
|
||||||
#include <piler.h>
|
|
||||||
#include "smtp.h"
|
|
||||||
|
|
||||||
|
|
||||||
int handle_smtp_session(struct session_ctx *sctx){
|
|
||||||
int i, ret, pos, readpos=0, result, n, protocol_state, prevlen=0;
|
|
||||||
char *p, buf[MAXBUFSIZE], puf[MAXBUFSIZE], resp[MAXBUFSIZE], prevbuf[MAXBUFSIZE], last2buf[2*MAXBUFSIZE+1];
|
|
||||||
struct session_data sdata;
|
|
||||||
int rc;
|
|
||||||
struct counters counters;
|
|
||||||
|
|
||||||
struct timezone tz;
|
|
||||||
struct timeval tv1, tv2;
|
|
||||||
|
|
||||||
int starttls = 0;
|
|
||||||
|
|
||||||
bzero(&counters, sizeof(counters));
|
|
||||||
|
|
||||||
sctx->inj = ERR;
|
|
||||||
sctx->db_conn = 0;
|
|
||||||
sctx->status = NULL;
|
|
||||||
sctx->counters = &counters;
|
|
||||||
sctx->parser_state = NULL;
|
|
||||||
|
|
||||||
#ifdef HAVE_LIBWRAP
|
|
||||||
if(is_blocked_by_tcp_wrappers(sctx->new_sd) == 1) return 0;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
srand(getpid());
|
|
||||||
|
|
||||||
protocol_state = SMTP_STATE_INIT;
|
|
||||||
|
|
||||||
init_session_data(&sdata, sctx->cfg);
|
|
||||||
|
|
||||||
sctx->sdata = &sdata;
|
|
||||||
|
|
||||||
sctx->sdata->tls = 0;
|
|
||||||
|
|
||||||
|
|
||||||
/* open database connection */
|
|
||||||
|
|
||||||
#ifdef NEED_MYSQL
|
|
||||||
if(open_database(sctx->sdata, sctx->cfg) == OK){
|
|
||||||
sctx->db_conn = 1;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
syslog(LOG_PRIORITY, "%s", ERR_MYSQL_CONNECT);
|
|
||||||
#endif
|
|
||||||
|
|
||||||
if(sctx->db_conn == 0){
|
|
||||||
snprintf(buf, MAXBUFSIZE-1, SMTP_RESP_421_ERR_TMP, sctx->cfg->hostid);
|
|
||||||
send(sctx->new_sd, buf, strlen(buf), 0);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
gettimeofday(&tv1, &tz);
|
|
||||||
|
|
||||||
#ifdef HAVE_LMTP
|
|
||||||
snprintf(buf, MAXBUFSIZE-1, LMTP_RESP_220_BANNER, sctx->cfg->hostid);
|
|
||||||
#else
|
|
||||||
snprintf(buf, MAXBUFSIZE-1, SMTP_RESP_220_BANNER, sctx->cfg->hostid);
|
|
||||||
#endif
|
|
||||||
|
|
||||||
send(sctx->new_sd, buf, strlen(buf), 0);
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: sent: %s", sctx->sdata->ttmpfile, buf);
|
|
||||||
|
|
||||||
while((n = recvtimeoutssl(sctx->new_sd, &puf[readpos], sizeof(puf)-readpos, TIMEOUT, sctx->sdata->tls, sctx->data->ssl)) > 0){
|
|
||||||
pos = 0;
|
|
||||||
|
|
||||||
/* accept mail data */
|
|
||||||
|
|
||||||
if(protocol_state == SMTP_STATE_DATA){
|
|
||||||
|
|
||||||
/* join the last 2 buffer */
|
|
||||||
|
|
||||||
memset(last2buf, 0, 2*MAXBUFSIZE+1);
|
|
||||||
memcpy(last2buf, prevbuf, MAXBUFSIZE);
|
|
||||||
memcpy(last2buf+prevlen, puf, MAXBUFSIZE);
|
|
||||||
|
|
||||||
|
|
||||||
pos = searchStringInBuffer(last2buf, 2*MAXBUFSIZE+1, SMTP_CMD_PERIOD, 5);
|
|
||||||
if(pos > 0){
|
|
||||||
|
|
||||||
/* fix position */
|
|
||||||
pos = pos - prevlen;
|
|
||||||
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: period found", sctx->sdata->ttmpfile);
|
|
||||||
|
|
||||||
|
|
||||||
/* write data only to (and including) the trailing period (.) */
|
|
||||||
ret = write(sctx->sdata->fd, puf, pos);
|
|
||||||
sctx->sdata->tot_len += ret;
|
|
||||||
|
|
||||||
/* fix posistion! */
|
|
||||||
pos += strlen(SMTP_CMD_PERIOD);
|
|
||||||
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: got: (.)", sctx->sdata->ttmpfile);
|
|
||||||
|
|
||||||
|
|
||||||
protocol_state = SMTP_STATE_PERIOD;
|
|
||||||
|
|
||||||
|
|
||||||
/* make sure we had a successful read */
|
|
||||||
|
|
||||||
rc = fsync(sctx->sdata->fd);
|
|
||||||
close(sctx->sdata->fd);
|
|
||||||
|
|
||||||
|
|
||||||
gettimeofday(&tv2, &tz);
|
|
||||||
sctx->sdata->__acquire = tvdiff(tv2, tv1);
|
|
||||||
|
|
||||||
|
|
||||||
if(rc){
|
|
||||||
syslog(LOG_PRIORITY, "failed writing data: %s", sctx->sdata->ttmpfile);
|
|
||||||
|
|
||||||
#ifdef HAVE_LMTP
|
|
||||||
for(i=0; i<sctx->sdata->num_of_rcpt_to; i++){
|
|
||||||
#endif
|
|
||||||
|
|
||||||
write1(sctx->new_sd, SMTP_RESP_421_ERR_WRITE_FAILED, strlen(SMTP_RESP_421_ERR_WRITE_FAILED), sctx->sdata->tls, sctx->data->ssl);
|
|
||||||
|
|
||||||
#ifdef HAVE_LMTP
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
memset(puf, 0, MAXBUFSIZE);
|
|
||||||
goto AFTER_PERIOD;
|
|
||||||
}
|
|
||||||
|
|
||||||
process_written_file(sctx);
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
unlink(sctx->sdata->ttmpfile);
|
|
||||||
unlink(sctx->sdata->tmpframe);
|
|
||||||
|
|
||||||
|
|
||||||
/* if we have nothing after the trailing (.), we can read
|
|
||||||
the next command from the network */
|
|
||||||
|
|
||||||
if(puf[n-3] == '.' && puf[n-2] == '\r' && puf[n-1] == '\n') continue;
|
|
||||||
|
|
||||||
|
|
||||||
/* if we left something in the puffer, we are ready to proceed
|
|
||||||
to handle the additional commands, such as QUIT */
|
|
||||||
|
|
||||||
/* if we miss the trailing \r\n, ie. we need another read */
|
|
||||||
|
|
||||||
if(puf[n-2] != '\r' && puf[n-1] != '\n'){
|
|
||||||
memmove(puf, puf+pos, n-pos);
|
|
||||||
memset(puf+n-pos, 0, MAXBUFSIZE-n+pos);
|
|
||||||
recvtimeout(sctx->new_sd, buf, MAXBUFSIZE, TIMEOUT);
|
|
||||||
strncat(puf, buf, MAXBUFSIZE-1-n+pos);
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: partial read: %s", sctx->sdata->ttmpfile, puf);
|
|
||||||
pos = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
} /* pos > 0, PERIOD found */
|
|
||||||
else {
|
|
||||||
ret = write(sctx->sdata->fd, puf, n);
|
|
||||||
sctx->sdata->tot_len += ret;
|
|
||||||
|
|
||||||
memcpy(prevbuf, puf, n);
|
|
||||||
prevlen = n;
|
|
||||||
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
} /* if protocol_state == SMTP_STATE_DATA */
|
|
||||||
|
|
||||||
AFTER_PERIOD:
|
|
||||||
|
|
||||||
/* handle smtp commands */
|
|
||||||
|
|
||||||
memset(resp, 0, sizeof(resp));
|
|
||||||
|
|
||||||
p = &puf[pos];
|
|
||||||
readpos = 0;
|
|
||||||
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: command=*%s*", sctx->sdata->ttmpfile, p);
|
|
||||||
|
|
||||||
do {
|
|
||||||
p = split(p, '\n', buf, sizeof(buf)-1, &result);
|
|
||||||
|
|
||||||
if(result == 0){
|
|
||||||
if(strlen(buf) > 0){
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: partial read: *%s*", sctx->sdata->ttmpfile, buf);
|
|
||||||
|
|
||||||
snprintf(puf, sizeof(puf)-5, "%s", buf);
|
|
||||||
readpos = strlen(puf);
|
|
||||||
}
|
|
||||||
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: got: %s", sctx->sdata->ttmpfile, buf);
|
|
||||||
|
|
||||||
if(strncasecmp(buf, SMTP_CMD_EHLO, strlen(SMTP_CMD_EHLO)) == 0 || strncasecmp(buf, LMTP_CMD_LHLO, strlen(LMTP_CMD_LHLO)) == 0){
|
|
||||||
process_command_ehlo_lhlo(sctx, &protocol_state, &resp[0], sizeof(resp)-1);
|
|
||||||
continue;
|
|
||||||
|
|
||||||
/* FIXME: implement the ENHANCEDSTATUSCODE extensions */
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(strncasecmp(buf, SMTP_CMD_HELO, strlen(SMTP_CMD_HELO)) == 0){
|
|
||||||
if(protocol_state == SMTP_STATE_INIT) protocol_state = SMTP_STATE_HELO;
|
|
||||||
strncat(resp, SMTP_RESP_250_OK, sizeof(resp)-strlen(resp)-1);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(sctx->cfg->tls_enable > 0 && strncasecmp(buf, SMTP_CMD_STARTTLS, strlen(SMTP_CMD_STARTTLS)) == 0 && strlen(sctx->data->starttls) > 4 && sctx->sdata->tls == 0){
|
|
||||||
process_command_starttls(sctx, &protocol_state, &starttls, &resp[0], sizeof(resp)-1);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(strncasecmp(buf, SMTP_CMD_MAIL_FROM, strlen(SMTP_CMD_MAIL_FROM)) == 0){
|
|
||||||
process_command_mail_from(sctx, &protocol_state, buf, &resp[0], sizeof(resp)-1);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(strncasecmp(buf, SMTP_CMD_RCPT_TO, strlen(SMTP_CMD_RCPT_TO)) == 0){
|
|
||||||
process_command_rcpt_to(sctx, &protocol_state, buf, &resp[0], sizeof(resp)-1);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(strncasecmp(buf, SMTP_CMD_DATA, strlen(SMTP_CMD_DATA)) == 0){
|
|
||||||
memset(last2buf, 0, 2*MAXBUFSIZE+1);
|
|
||||||
memset(prevbuf, 0, MAXBUFSIZE);
|
|
||||||
sctx->inj = ERR;
|
|
||||||
prevlen = 0;
|
|
||||||
|
|
||||||
process_command_data(sctx, &protocol_state, &resp[0], sizeof(resp)-1);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(sctx->cfg->enable_chunking == 1 && strncasecmp(buf, SMTP_CMD_BDAT, strlen(SMTP_CMD_BDAT)) == 0){
|
|
||||||
|
|
||||||
process_command_bdat(sctx, &protocol_state, buf, &resp[0], sizeof(resp)-1);
|
|
||||||
|
|
||||||
if(protocol_state == SMTP_STATE_BDAT){
|
|
||||||
|
|
||||||
for(i=0; i<sctx->bdat_rounds-1; i++){
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_INFO, "%s: sending bdat response (%d)", sctx->sdata->ttmpfile, i);
|
|
||||||
write1(sctx->new_sd, SMTP_RESP_250_BDAT, strlen(SMTP_RESP_250_BDAT), sctx->sdata->tls, sctx->data->ssl);
|
|
||||||
}
|
|
||||||
|
|
||||||
process_written_file(sctx);
|
|
||||||
|
|
||||||
unlink(sctx->sdata->ttmpfile);
|
|
||||||
unlink(sctx->sdata->tmpframe);
|
|
||||||
}
|
|
||||||
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(strncasecmp(buf, SMTP_CMD_QUIT, strlen(SMTP_CMD_QUIT)) == 0){
|
|
||||||
process_command_quit(sctx, &protocol_state, &resp[0], sizeof(resp)-1);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(strncasecmp(buf, SMTP_CMD_NOOP, strlen(SMTP_CMD_NOOP)) == 0){
|
|
||||||
strncat(resp, SMTP_RESP_250_OK, sizeof(resp)-strlen(resp)-1);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(strncasecmp(buf, SMTP_CMD_RESET, strlen(SMTP_CMD_RESET)) == 0){
|
|
||||||
process_command_reset(sctx, &protocol_state, &resp[0], sizeof(resp)-1);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/* by default send 502 command not implemented message */
|
|
||||||
|
|
||||||
syslog(LOG_PRIORITY, "%s: invalid command: *%s*", sctx->sdata->ttmpfile, buf);
|
|
||||||
strncat(resp, SMTP_RESP_502_ERR, sizeof(resp)-strlen(resp)-1);
|
|
||||||
} while(p);
|
|
||||||
|
|
||||||
|
|
||||||
if(strlen(resp) > 0){
|
|
||||||
send_buffered_response(sctx, starttls, &resp[0]);
|
|
||||||
memset(resp, 0, sizeof(resp));
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
if(protocol_state == SMTP_STATE_FINISHED){
|
|
||||||
goto QUITTING;
|
|
||||||
}
|
|
||||||
|
|
||||||
} /* while */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* if we are not in SMTP_STATE_QUIT and the message was not injected,
|
|
||||||
* ie. we have timed out than send back 421 error message
|
|
||||||
*/
|
|
||||||
|
|
||||||
if(protocol_state < SMTP_STATE_QUIT && sctx->inj == ERR){
|
|
||||||
snprintf(buf, MAXBUFSIZE-1, SMTP_RESP_421_ERR, sctx->cfg->hostid);
|
|
||||||
write1(sctx->new_sd, buf, strlen(buf), sctx->sdata->tls, sctx->data->ssl);
|
|
||||||
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: sent: %s", sctx->sdata->ttmpfile, buf);
|
|
||||||
|
|
||||||
if(sctx->sdata->fd != -1){
|
|
||||||
|
|
||||||
syslog(LOG_PRIORITY, "%s: removing stale files: %s, %s", sctx->sdata->ttmpfile, sctx->sdata->ttmpfile, sctx->sdata->tmpframe);
|
|
||||||
|
|
||||||
close(sctx->sdata->fd);
|
|
||||||
unlink(sctx->sdata->ttmpfile);
|
|
||||||
unlink(sctx->sdata->tmpframe);
|
|
||||||
}
|
|
||||||
|
|
||||||
goto QUITTING;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
QUITTING:
|
|
||||||
|
|
||||||
update_counters(sctx->sdata, sctx->data, sctx->counters, sctx->cfg);
|
|
||||||
|
|
||||||
#ifdef NEED_MYSQL
|
|
||||||
close_database(sctx->sdata);
|
|
||||||
#endif
|
|
||||||
|
|
||||||
if(sctx->sdata->tls == 1){
|
|
||||||
SSL_shutdown(sctx->data->ssl);
|
|
||||||
SSL_free(sctx->data->ssl);
|
|
||||||
}
|
|
||||||
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_INFO) syslog(LOG_PRIORITY, "processed %llu messages", sctx->counters->c_rcvd);
|
|
||||||
|
|
||||||
return (int)sctx->counters->c_rcvd;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
#ifdef HAVE_LIBWRAP
|
|
||||||
int is_blocked_by_tcp_wrappers(int sd){
|
|
||||||
struct request_info req;
|
|
||||||
|
|
||||||
request_init(&req, RQ_DAEMON, PROGNAME, RQ_FILE, sd, 0);
|
|
||||||
|
|
||||||
fromhost(&req);
|
|
||||||
|
|
||||||
if(!hosts_access(&req)){
|
|
||||||
send(sd, SMTP_RESP_550_ERR_YOU_ARE_BANNED_BY_LOCAL_POLICY, strlen(SMTP_RESP_550_ERR_YOU_ARE_BANNED_BY_LOCAL_POLICY), 0);
|
|
||||||
syslog(LOG_PRIORITY, "denied connection from %s by tcp_wrappers", eval_client(&req));
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
void process_written_file(struct session_ctx *sctx){
|
|
||||||
int i;
|
|
||||||
char *rcpt;
|
|
||||||
char delay[SMALLBUFSIZE], tmpbuf[SMALLBUFSIZE];
|
|
||||||
struct parser_state parser_state;
|
|
||||||
struct timezone tz;
|
|
||||||
struct timeval tv1, tv2;
|
|
||||||
|
|
||||||
gettimeofday(&tv1, &tz);
|
|
||||||
|
|
||||||
sctx->data->folder = 0;
|
|
||||||
|
|
||||||
parser_state = parse_message(sctx->sdata, 1, sctx->data, sctx->cfg);
|
|
||||||
post_parse(sctx->sdata, &parser_state, sctx->cfg);
|
|
||||||
|
|
||||||
sctx->parser_state = &parser_state;
|
|
||||||
|
|
||||||
gettimeofday(&tv2, &tz);
|
|
||||||
sctx->sdata->__parsed = tvdiff(tv2, tv1);
|
|
||||||
|
|
||||||
if(sctx->cfg->syslog_recipients == 1){
|
|
||||||
rcpt = sctx->parser_state->b_to;
|
|
||||||
do {
|
|
||||||
rcpt = split_str(rcpt, " ", tmpbuf, sizeof(tmpbuf)-1);
|
|
||||||
|
|
||||||
if(does_it_seem_like_an_email_address(tmpbuf) == 1){
|
|
||||||
syslog(LOG_PRIORITY, "%s: rcpt=%s", sctx->sdata->ttmpfile, tmpbuf);
|
|
||||||
}
|
|
||||||
} while(rcpt);
|
|
||||||
}
|
|
||||||
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: parsed message", sctx->sdata->ttmpfile);
|
|
||||||
|
|
||||||
if(sctx->cfg->archive_only_mydomains == 1 && sctx->sdata->internal_sender == 0 && sctx->sdata->internal_recipient == 0){
|
|
||||||
remove_stripped_attachments(sctx->parser_state);
|
|
||||||
sctx->inj = ERR_MYDOMAINS;
|
|
||||||
|
|
||||||
snprintf(sctx->sdata->acceptbuf, SMALLBUFSIZE-1, "250 Ok %s\r\n", sctx->sdata->ttmpfile);
|
|
||||||
write1(sctx->new_sd, sctx->sdata->acceptbuf, strlen(sctx->sdata->acceptbuf), sctx->sdata->tls, sctx->data->ssl);
|
|
||||||
|
|
||||||
syslog(LOG_PRIORITY, "%s: discarding: not on mydomains, from=%s, message-id=%s", sctx->sdata->ttmpfile, sctx->sdata->fromemail, sctx->parser_state->message_id);
|
|
||||||
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
make_digests(sctx->sdata, sctx->cfg);
|
|
||||||
|
|
||||||
#ifdef HAVE_ANTIVIRUS
|
|
||||||
if(sctx->cfg->use_antivirus == 1){
|
|
||||||
sctx->sdata->rav = do_av_check(sctx->sdata, &virusinfo[0], sctx->data, sctx->cfg);
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
#ifdef HAVE_LMTP
|
|
||||||
for(i=0; i<sctx->sdata->num_of_rcpt_to; i++){
|
|
||||||
#else
|
|
||||||
i = 0;
|
|
||||||
#endif
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: round %d in injection", sctx->sdata->ttmpfile, i);
|
|
||||||
|
|
||||||
process_data(sctx);
|
|
||||||
|
|
||||||
send_response_to_data(sctx, sctx->sdata->rcptto[i]);
|
|
||||||
|
|
||||||
|
|
||||||
snprintf(delay, SMALLBUFSIZE-1, "delay=%.2f, delays=%.2f/%.2f/%.2f/%.2f/%.2f/%.2f",
|
|
||||||
(sctx->sdata->__acquire+sctx->sdata->__parsed+sctx->sdata->__av+sctx->sdata->__compress+sctx->sdata->__encrypt+sctx->sdata->__store)/1000000.0,
|
|
||||||
sctx->sdata->__acquire/1000000.0, sctx->sdata->__parsed/1000000.0,
|
|
||||||
sctx->sdata->__av/1000000.0, sctx->sdata->__compress/1000000.0,
|
|
||||||
sctx->sdata->__encrypt/1000000.0, sctx->sdata->__store/1000000.0);
|
|
||||||
|
|
||||||
syslog(LOG_PRIORITY, "%s: from=%s, size=%d/%d, attachments=%d, reference=%s, message-id=%s, retention=%d, folder=%d, %s, status=%s",
|
|
||||||
sctx->sdata->ttmpfile, sctx->sdata->fromemail, sctx->sdata->tot_len,
|
|
||||||
sctx->sdata->stored_len, sctx->parser_state->n_attachments,
|
|
||||||
sctx->parser_state->reference, sctx->parser_state->message_id,
|
|
||||||
sctx->parser_state->retention, sctx->data->folder, delay, sctx->status);
|
|
||||||
|
|
||||||
#ifdef HAVE_LMTP
|
|
||||||
} /* for */
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
void process_data(struct session_ctx *sctx){
|
|
||||||
char *arule = NULL;
|
|
||||||
char virusinfo[SMALLBUFSIZE];
|
|
||||||
|
|
||||||
sctx->inj = ERR;
|
|
||||||
sctx->status = S_STATUS_UNDEF;
|
|
||||||
|
|
||||||
if(sctx->db_conn == 1){
|
|
||||||
|
|
||||||
if(sctx->sdata->restored_copy == 1){
|
|
||||||
syslog(LOG_PRIORITY, "%s: discarding: restored copy", sctx->sdata->ttmpfile);
|
|
||||||
sctx->inj = OK;
|
|
||||||
}
|
|
||||||
else if(sctx->sdata->tot_len < sctx->cfg->min_message_size){
|
|
||||||
syslog(LOG_PRIORITY, "%s: discarding: too short message (%d bytes)", sctx->sdata->ttmpfile, sctx->sdata->tot_len);
|
|
||||||
sctx->inj = OK;
|
|
||||||
}
|
|
||||||
else if(AVIR_VIRUS == sctx->sdata->rav){
|
|
||||||
syslog(LOG_PRIORITY, "%s: found virus: %s", sctx->sdata->ttmpfile, virusinfo);
|
|
||||||
sctx->counters->c_virus++;
|
|
||||||
sctx->inj = OK;
|
|
||||||
} else if(strlen(sctx->sdata->bodydigest) < 10) {
|
|
||||||
syslog(LOG_PRIORITY, "%s: invalid digest", sctx->sdata->ttmpfile);
|
|
||||||
sctx->inj = ERR;
|
|
||||||
} else {
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: processing message", sctx->sdata->ttmpfile);
|
|
||||||
|
|
||||||
/* check message against archiving rules */
|
|
||||||
|
|
||||||
arule = check_againt_ruleset(sctx->data->archiving_rules, sctx->parser_state, sctx->sdata->tot_len, sctx->sdata->spam_message);
|
|
||||||
|
|
||||||
if(arule){
|
|
||||||
syslog(LOG_PRIORITY, "%s: discarding: archiving policy: *%s*", sctx->sdata->ttmpfile, arule);
|
|
||||||
sctx->inj = OK;
|
|
||||||
sctx->counters->c_ignore++;
|
|
||||||
|
|
||||||
remove_stripped_attachments(sctx->parser_state);
|
|
||||||
|
|
||||||
sctx->status = S_STATUS_DISCARDED;
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
sctx->inj = process_message(sctx->sdata, sctx->parser_state, sctx->data, sctx->cfg);
|
|
||||||
unlink(sctx->parser_state->message_id_hash);
|
|
||||||
sctx->counters->c_size += sctx->sdata->tot_len;
|
|
||||||
sctx->counters->c_stored_size = sctx->sdata->stored_len;
|
|
||||||
|
|
||||||
sctx->status = S_STATUS_STORED;
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
void send_response_to_data(struct session_ctx *sctx, char *rcptto){
|
|
||||||
|
|
||||||
/* set the accept buffer */
|
|
||||||
|
|
||||||
snprintf(sctx->sdata->acceptbuf, SMALLBUFSIZE-1, "250 Ok %s <%s>\r\n", sctx->sdata->ttmpfile, rcptto);
|
|
||||||
|
|
||||||
if(sctx->inj == ERR){
|
|
||||||
snprintf(sctx->sdata->acceptbuf, SMALLBUFSIZE-1, "451 %s <%s>\r\n", sctx->sdata->ttmpfile, rcptto);
|
|
||||||
sctx->status = S_STATUS_ERROR;
|
|
||||||
}
|
|
||||||
|
|
||||||
write1(sctx->new_sd, sctx->sdata->acceptbuf, strlen(sctx->sdata->acceptbuf), sctx->sdata->tls, sctx->data->ssl);
|
|
||||||
|
|
||||||
if(sctx->cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: sent: %s", sctx->sdata->ttmpfile, sctx->sdata->acceptbuf);
|
|
||||||
|
|
||||||
sctx->counters->c_rcvd++;
|
|
||||||
|
|
||||||
if(sctx->inj == ERR_EXISTS){
|
|
||||||
syslog(LOG_PRIORITY, "%s: discarding: duplicate message, id: %llu, message-id: %s", sctx->sdata->ttmpfile, sctx->sdata->duplicate_id, sctx->parser_state->message_id);
|
|
||||||
sctx->counters->c_duplicate++;
|
|
||||||
sctx->status = S_STATUS_DUPLICATE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user