added pop3 support for pilerimport

This commit is contained in:
SJ 2012-11-24 23:02:08 +01:00
parent 9c9f59ac52
commit c0420fed0a
8 changed files with 289 additions and 34 deletions

2
configure vendored
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@ -4590,7 +4590,7 @@ echo; echo
CFLAGS="$static -O2 -Wall -g"
LIBS="$antispam_libs $sunos_libs "
OBJS="dirs.o base64.o misc.o counters.o cfg.o sig.o decoder.o list.o parser.o parser_utils.o rules.o session.o message.o attachment.o digest.o store.o archive.o tai.o import.o imap.o extract.o $objs"
OBJS="dirs.o base64.o misc.o counters.o cfg.o sig.o decoder.o list.o parser.o parser_utils.o rules.o session.o message.o attachment.o digest.o store.o archive.o tai.o import.o imap.o pop3.o extract.o $objs"
ac_config_files="$ac_config_files Makefile src/Makefile etc/Makefile util/Makefile init.d/Makefile test/Makefile contrib/imap/Makefile"

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@ -390,7 +390,7 @@ echo; echo
CFLAGS="$static -O2 -Wall -g"
LIBS="$antispam_libs $sunos_libs "
OBJS="dirs.o base64.o misc.o counters.o cfg.o sig.o decoder.o list.o parser.o parser_utils.o rules.o session.o message.o attachment.o digest.o store.o archive.o tai.o import.o imap.o extract.o $objs"
OBJS="dirs.o base64.o misc.o counters.o cfg.o sig.o decoder.o list.o parser.o parser_utils.o rules.o session.o message.o attachment.o digest.o store.o archive.o tai.o import.o imap.o pop3.o extract.o $objs"
AC_CONFIG_FILES([Makefile src/Makefile etc/Makefile util/Makefile init.d/Makefile test/Makefile contrib/imap/Makefile])
AC_OUTPUT

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@ -13,7 +13,7 @@
#define VERSION "0.1.22"
#define BUILD 724
#define BUILD 727
#define HOSTID "mailarchiver"

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@ -23,26 +23,6 @@
#include <piler.h>
#define CHK_NULL(x, errmsg) if ((x)==NULL) { printf("error: %s\n", errmsg); return ERR; }
#define CHK_SSL(err, msg) if ((err)==-1) { printf("ssl error: %s\n", msg); return ERR; }
unsigned long resolve_host(char *host){
struct hostent *h;
struct in_addr addr;
if(!host) return 0;
if((addr.s_addr = inet_addr(host)) == -1){
if((h = gethostbyname(host)) == NULL){
return 0;
}
else return *(unsigned long*)h->h_addr;
}
else return addr.s_addr;
}
int get_message_length_from_imap_answer(char *s, int *_1st_line_bytes){
char *p, *q;
int len=0;
@ -210,7 +190,7 @@ int process_imap_folder(int sd, int *seq, char *folder, struct session_data *sda
}
int connect_to_imap_server(int sd, int *seq, char *imapserver, char *username, char *password, int port, struct __data *data, int use_ssl){
int connect_to_imap_server(int sd, int *seq, char *server, char *username, char *password, int port, struct __data *data, int use_ssl){
int n;
char tag[SMALLBUFSIZE], tagok[SMALLBUFSIZE], buf[MAXBUFSIZE];
unsigned long host=0;
@ -219,7 +199,7 @@ int connect_to_imap_server(int sd, int *seq, char *imapserver, char *username, c
char *str;
host = resolve_host(imapserver);
host = resolve_host(server);
remote_addr.sin_family = AF_INET;
remote_addr.sin_port = htons(port);

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@ -538,6 +538,22 @@ void strtolower(char *s){
}
unsigned long resolve_host(char *host){
struct hostent *h;
struct in_addr addr;
if(!host) return 0;
if((addr.s_addr = inet_addr(host)) == -1){
if((h = gethostbyname(host)) == NULL){
return 0;
}
else return *(unsigned long*)h->h_addr;
}
else return addr.s_addr;
}
#ifndef _GNU_SOURCE
char *strcasestr(const char *s, const char *find){
char c, sc;

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@ -11,6 +11,9 @@
#include <cfg.h>
#include "defs.h"
#define CHK_NULL(x, errmsg) if ((x)==NULL) { printf("error: %s\n", errmsg); return ERR; }
#define CHK_SSL(err, msg) if ((err)==-1) { printf("ssl error: %s\n", msg); return ERR; }
int get_build();
void __fatal(char *s);
long tvdiff(struct timeval a, struct timeval b);
@ -36,6 +39,8 @@ void init_session_data(struct session_data *sdata);
int read_from_stdin(struct session_data *sdata);
void strtolower(char *s);
unsigned long resolve_host(char *host);
#ifndef _GNU_SOURCE
char *strcasestr(const char *s, const char *find);
#endif

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@ -31,10 +31,12 @@ int quiet=0;
int remove_after_successful_import = 0;
int connect_to_imap_server(int sd, int *seq, char *imapserver, char *username, char *password, int port, struct __data *data, int use_ssl);
void close_connection(int sd, struct __data *data, int use_ssl);
int connect_to_imap_server(int sd, int *seq, char *server, char *username, char *password, int port, struct __data *data, int use_ssl);
int list_folders(int sd, int *seq, char *folders, int foldersize, int use_ssl, struct __data *data);
int process_imap_folder(int sd, int *seq, char *folder, struct session_data *sdata, struct __data *data, int use_ssl, struct __config *cfg);
int connect_to_pop3_server(int sd, char *server, char *username, char *password, int port, struct __data *data, int use_ssl);
int process_pop3_emails(int sd, struct session_data *sdata, struct __data *data, int use_ssl, struct __config *cfg);
void close_connection(int sd, struct __data *data, int use_ssl);
int import_from_mailbox(char *mailbox, struct session_data *sdata, struct __data *data, struct __config *cfg){
@ -237,7 +239,7 @@ int import_from_maildir(char *directory, struct session_data *sdata, struct __da
}
int import_from_imap_server(char *imapserver, char *username, char *password, int port, struct session_data *sdata, struct __data *data, char *skiplist, struct __config *cfg){
int import_from_imap_server(char *server, char *username, char *password, int port, struct session_data *sdata, struct __data *data, char *skiplist, struct __config *cfg){
int rc=ERR, ret=OK, sd, seq=1, skipmatch, use_ssl=0;
char *p, puf[SMALLBUFSIZE];
char *q, muf[SMALLBUFSIZE];
@ -252,7 +254,7 @@ int import_from_imap_server(char *imapserver, char *username, char *password, in
return ERR;
}
if(connect_to_imap_server(sd, &seq, imapserver, username, password, port, data, use_ssl) == ERR){
if(connect_to_imap_server(sd, &seq, server, username, password, port, data, use_ssl) == ERR){
close(sd);
return ERR;
}
@ -301,8 +303,32 @@ int import_from_imap_server(char *imapserver, char *username, char *password, in
}
int import_from_pop3_server(char *server, char *username, char *password, int port, struct session_data *sdata, struct __data *data, struct __config *cfg){
int rc=ERR, ret=OK, sd, use_ssl=0;
if(port == 995) use_ssl = 1;
if((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1){
printf("cannot create socket\n");
return ERR;
}
if(connect_to_pop3_server(sd, server, username, password, port, data, use_ssl) == ERR){
close(sd);
return ERR;
}
rc = process_pop3_emails(sd, sdata, data, use_ssl, cfg);
if(rc == ERR) ret = ERR;
close_connection(sd, data, use_ssl);
return ret;
}
void usage(){
printf("usage: pilerimport [-c <config file>] -e <eml file> | -m <mailbox file> | -d <directory> | -i <imap server> -u <imap username> -p <imap password> -P <imap port> [-F <foldername>] [-R] [-r] [-q]\n");
printf("usage: pilerimport [-c <config file>] -e <eml file> | -m <mailbox file> | -d <directory> | -i <imap server> | -K <pop3 server> | -u <imap username> -p <imap password> -P <imap port> [-F <foldername>] [-R] [-r] [-q]\n");
exit(0);
}
@ -310,7 +336,7 @@ void usage(){
int main(int argc, char **argv){
int i, c, rc=0, n_mbox=0, tot_msgs=0, port=143;
char *configfile=CONFIG_FILE, *emlfile=NULL, *mboxdir=NULL, *mbox[MBOX_ARGS], *directory=NULL;
char *imapserver=NULL, *username=NULL, *password=NULL, *skiplist=SKIPLIST, *folder=NULL;
char *imapserver=NULL, *pop3server=NULL, *username=NULL, *password=NULL, *skiplist=SKIPLIST, *folder=NULL;
struct session_data sdata;
struct __config cfg;
struct __data data;
@ -333,6 +359,7 @@ int main(int argc, char **argv){
{"mbox", required_argument, 0, 'm' },
{"mboxdir", required_argument, 0, 'M' },
{"imapserver", required_argument, 0, 'i' },
{"pop3server", required_argument, 0, 'K' },
{"username", required_argument, 0, 'u' },
{"password", required_argument, 0, 'p' },
{"port", required_argument, 0, 'P' },
@ -347,9 +374,9 @@ int main(int argc, char **argv){
int option_index = 0;
c = getopt_long(argc, argv, "c:m:M:e:d:i:u:p:P:x:F:Rrqh?", long_options, &option_index);
c = getopt_long(argc, argv, "c:m:M:e:d:i:K:u:p:P:x:F:Rrqh?", long_options, &option_index);
#else
c = getopt(argc, argv, "c:m:M:e:d:i:u:p:P:x:F:Rrqh?");
c = getopt(argc, argv, "c:m:M:e:d:i:K:u:p:P:x:F:Rrqh?");
#endif
if(c == -1) break;
@ -385,6 +412,11 @@ int main(int argc, char **argv){
imapserver = optarg;
break;
case 'K' :
pop3server = optarg;
if(port == 143) port = 110;
break;
case 'u' :
username = optarg;
break;
@ -430,7 +462,7 @@ int main(int argc, char **argv){
if(!mbox[0] && !mboxdir && !emlfile && !directory && !imapserver) usage();
if(!mbox[0] && !mboxdir && !emlfile && !directory && !imapserver && !pop3server) usage();
cfg = read_config(configfile);
@ -481,6 +513,7 @@ int main(int argc, char **argv){
if(mboxdir) rc = import_mbox_from_dir(mboxdir, &sdata, &data, &tot_msgs, &cfg);
if(directory) rc = import_from_maildir(directory, &sdata, &data, &tot_msgs, &cfg);
if(imapserver && username && password) rc = import_from_imap_server(imapserver, username, password, port, &sdata, &data, skiplist, &cfg);
if(pop3server && username && password) rc = import_from_pop3_server(pop3server, username, password, port, &sdata, &data, &cfg);
free_rule(data.archiving_rules);

221
src/pop3.c Normal file
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@ -0,0 +1,221 @@
/*
* pop3.c, SJ
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/time.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <fcntl.h>
#include <ctype.h>
#include <syslog.h>
#include <unistd.h>
#include <limits.h>
#include <piler.h>
int is_last_complete_pop3_packet(char *s, int len){
if(*(s+len-5) == '\r' && *(s+len-4) == '\n' && *(s+len-3) == '.' && *(s+len-2) == '\r' && *(s+len-1) == '\n'){
return 1;
}
return 0;
}
int connect_to_pop3_server(int sd, char *server, char *username, char *password, int port, struct __data *data, int use_ssl){
int n;
char buf[MAXBUFSIZE];
unsigned long host=0;
struct sockaddr_in remote_addr;
X509* server_cert;
char *str;
host = resolve_host(server);
remote_addr.sin_family = AF_INET;
remote_addr.sin_port = htons(port);
remote_addr.sin_addr.s_addr = host;
bzero(&(remote_addr.sin_zero),8);
if(connect(sd, (struct sockaddr *)&remote_addr, sizeof(struct sockaddr)) == -1){
printf("connect()\n");
return ERR;
}
if(use_ssl == 1){
SSL_library_init();
SSL_load_error_strings();
data->ctx = SSL_CTX_new(SSLv3_client_method());
CHK_NULL(data->ctx, "internal SSL error");
data->ssl = SSL_new(data->ctx);
CHK_NULL(data->ssl, "internal ssl error");
SSL_set_fd(data->ssl, sd);
n = SSL_connect(data->ssl);
CHK_SSL(n, "internal ssl error");
server_cert = SSL_get_peer_certificate(data->ssl);
CHK_NULL(server_cert, "server cert error");
str = X509_NAME_oneline(X509_get_subject_name(server_cert), 0, 0);
CHK_NULL(str, "error in server cert");
OPENSSL_free(str);
str = X509_NAME_oneline(X509_get_issuer_name(server_cert), 0, 0);
CHK_NULL(str, "error in server cert");
OPENSSL_free(str);
X509_free(server_cert);
}
n = recvtimeoutssl(sd, buf, sizeof(buf), 10, use_ssl, data->ssl);
snprintf(buf, sizeof(buf)-1, "USER %s\r\n", username);
write1(sd, buf, use_ssl, data->ssl);
n = recvtimeoutssl(sd, buf, sizeof(buf), 10, use_ssl, data->ssl);
snprintf(buf, sizeof(buf)-1, "PASS %s\r\n", password);
write1(sd, buf, use_ssl, data->ssl);
n = recvtimeoutssl(sd, buf, sizeof(buf), 10, use_ssl, data->ssl);
if(strncmp(buf, "+OK", 3) == 0) return OK;
return OK;
}
int process_pop3_emails(int sd, struct session_data *sdata, struct __data *data, int use_ssl, struct __config *cfg){
int i, rc=ERR, n, messages=0, processed_messages=0, pos, endpos, len, readlen, fd, lastpos, nreads;
char *p, buf[MAXBUFSIZE], filename[SMALLBUFSIZE];
char aggrbuf[3*MAXBUFSIZE];
snprintf(buf, sizeof(buf)-1, "STAT\r\n");
n = write1(sd, buf, use_ssl, data->ssl);
n = recvtimeoutssl(sd, buf, sizeof(buf), 10, use_ssl, data->ssl);
if(strncmp(buf, "+OK ", 4) == 0){
p = strchr(&buf[4], ' ');
if(p){
*p = '\0';
messages = atoi(&buf[4]);
}
}
else return ERR;
printf("found %d messages\n", messages);
if(messages <= 0) return rc;
for(i=1; i<=messages; i++){
processed_messages++;
printf("processed: %7d\r", processed_messages); fflush(stdout);
snprintf(buf, sizeof(buf)-1, "RETR %d\r\n", i);
snprintf(filename, sizeof(filename)-1, "pop3-tmp-%d.txt", i);
unlink(filename);
fd = open(filename, O_CREAT|O_EXCL|O_RDWR|O_TRUNC, S_IRUSR|S_IWUSR);
if(fd == -1){
printf("cannot open: %s\n", filename);
return rc;
}
n = write1(sd, buf, use_ssl, data->ssl);
readlen = 0;
pos = 0;
len = 0;
nreads = 0;
endpos = 0;
memset(aggrbuf, 0, sizeof(aggrbuf));
lastpos = 0;
while((n = recvtimeoutssl(sd, buf, sizeof(buf), 15, use_ssl, data->ssl)) > 0){
nreads++;
readlen += n;
if(nreads == 1){
if(strncmp(buf, "+OK ", 4) == 0){
p = strchr(&buf[4], '\n');
if(p){
*p = '\0';
pos = strlen(buf)+1;
*p = '\n';
}
}
else { printf("error: %s", buf); return ERR; }
}
if(lastpos + 1 + n < sizeof(aggrbuf)){
if(nreads == 1){
memcpy(aggrbuf+lastpos, buf+pos, n-pos);
lastpos += n-pos;
}
else {
memcpy(aggrbuf+lastpos, buf, n);
lastpos += n;
}
}
else {
write(fd, aggrbuf, sizeof(buf));
memmove(aggrbuf, aggrbuf+sizeof(buf), lastpos-sizeof(buf));
lastpos -= sizeof(buf);
memcpy(aggrbuf+lastpos, buf, n);
lastpos += n;
}
if(is_last_complete_pop3_packet(aggrbuf, lastpos) == 1){
write(fd, aggrbuf, lastpos-3);
break;
}
}
close(fd);
rc = import_message(filename, sdata, data, cfg);
unlink(filename);
}
snprintf(buf, sizeof(buf)-1, "QUIT\r\n");
n = write1(sd, buf, use_ssl, data->ssl);
printf("\n");
return OK;
}