Moved tokenization code to tokenizer.c

Signed-off-by: Janos SUTO <sj@acts.hu>
This commit is contained in:
Janos SUTO 2020-02-16 10:15:11 +01:00
parent 898a8674e7
commit 5a548be06c
5 changed files with 109 additions and 83 deletions

2
configure vendored
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@ -4847,7 +4847,7 @@ echo; echo
CFLAGS="$static -std=c99 -O2 -fPIC -Wall -Wextra -Wuninitialized -Wno-format-truncation -g"
LIBS="$antispam_libs $sunos_libs "
OBJS="dirs.o base64.o misc.o counters.o cfg.o sig.o decoder.o hash.o parser.o parser_utils.o rules.o smtp.o session.o bdat.o message.o attachment.o digest.o store.o archive.o tai.o import.o import_maildir.o import_mailbox.o import_pop3.o import_imap.o imap.o pop3.o extract.o mydomains.o $objs"
OBJS="dirs.o base64.o misc.o counters.o cfg.o sig.o decoder.o hash.o parser.o parser_utils.o rules.o smtp.o session.o bdat.o message.o attachment.o digest.o store.o archive.o tai.o import.o import_maildir.o import_mailbox.o import_pop3.o import_imap.o imap.o pop3.o extract.o mydomains.o tokenizer.o $objs"
ac_config_files="$ac_config_files Makefile src/Makefile etc/Makefile util/Makefile init.d/Makefile systemd/Makefile unit_tests/Makefile webui/Makefile contrib/imap/Makefile"

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@ -533,7 +533,7 @@ echo; echo
CFLAGS="$static -std=c99 -O2 -fPIC -Wall -Wextra -Wuninitialized -Wno-format-truncation -g"
LIBS="$antispam_libs $sunos_libs "
OBJS="dirs.o base64.o misc.o counters.o cfg.o sig.o decoder.o hash.o parser.o parser_utils.o rules.o smtp.o session.o bdat.o message.o attachment.o digest.o store.o archive.o tai.o import.o import_maildir.o import_mailbox.o import_pop3.o import_imap.o imap.o pop3.o extract.o mydomains.o $objs"
OBJS="dirs.o base64.o misc.o counters.o cfg.o sig.o decoder.o hash.o parser.o parser_utils.o rules.o smtp.o session.o bdat.o message.o attachment.o digest.o store.o archive.o tai.o import.o import_maildir.o import_mailbox.o import_pop3.o import_imap.o imap.o pop3.o extract.o mydomains.o tokenizer.o $objs"
AC_CONFIG_FILES([Makefile src/Makefile etc/Makefile util/Makefile init.d/Makefile systemd/Makefile unit_tests/Makefile webui/Makefile contrib/imap/Makefile])
AC_OUTPUT

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@ -634,87 +634,7 @@ int parse_line(char *buf, struct parser_state *state, struct session_data *sdata
if(result == OK) snprintf(buf, MAXBUFSIZE-1, "%s", tmpbuf);
}
translateLine((unsigned char*)buf, state);
reassembleToken(buf);
p = buf;
//printf("a: %d/%d/%d/%d/j=%d %s\n", state->is_1st_header, state->is_header, state->message_rfc822, state->message_state, sdata->ms_journal, buf);
do {
memset(puf, 0, sizeof(puf));
p = split(p, ' ', puf, sizeof(puf)-1, &result);
if(puf[0] == '\0') continue;
degenerateToken((unsigned char*)puf);
if(puf[0] == '\0') continue;
strncat(puf, " ", sizeof(puf)-strlen(puf)-1);
if(strncasecmp(puf, "http://", 7) == 0 || strncasecmp(puf, "https://", 8) == 0) fixURL(puf, sizeof(puf)-1);
len = strlen(puf);
// skip body tokens if not an URL && (empty token || too long)
if(state->is_header == 0 && strncmp(puf, "__URL__", 7) && (puf[0] == ' ' || (len > MAX_WORD_LEN && cfg->enable_cjk == 0)) ){
continue;
}
if(state->message_state == MSG_FROM && state->is_1st_header == 1 && strlen(state->b_from) < SMALLBUFSIZE-len-1){
strtolower(puf);
q = strchr(puf, '@');
if(q) fix_plus_sign_in_email_address(puf, &q, &len);
memcpy(&(state->b_from[strlen(state->b_from)]), puf, len);
if(len >= MIN_EMAIL_ADDRESS_LEN && does_it_seem_like_an_email_address(puf) == 1 && state->b_from_domain[0] == '\0'){
if(q && strlen(q) > 5){
memcpy(&(state->b_from_domain), q+1, strlen(q+1)-1);
if(strstr(sdata->mailfrom, "<>")){
snprintf(sdata->fromemail, SMALLBUFSIZE-1, "%s", puf);
sdata->fromemail[len-1] = '\0';
}
}
if(is_email_address_on_my_domains(puf, data) == 1) sdata->internal_sender = 1;
if(strlen(state->b_from) < SMALLBUFSIZE-len-1){
split_email_address(puf);
memcpy(&(state->b_from[strlen(state->b_from)]), puf, len);
}
}
}
else if((state->message_state == MSG_TO || state->message_state == MSG_CC || state->message_state == MSG_RECIPIENT || state->message_state == MSG_ENVELOPE_TO) && state->is_1st_header == 1 && state->tolen < MAXBUFSIZE-len-1){
strtolower(puf);
/* fix aaa+bbb@ccc.fu address to aaa@ccc.fu, 2017.02.04, SJ */
q = strchr(puf, '@');
if(q) fix_plus_sign_in_email_address(puf, &q, &len);
if((state->message_state == MSG_RECIPIENT || state->message_state == MSG_ENVELOPE_TO) && findnode(state->journal_recipient, puf) == NULL){
addnode(state->journal_recipient, puf);
memcpy(&(state->b_journal_to[state->journaltolen]), puf, len);
if(cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: journal rcpt: '%s'", sdata->ttmpfile, puf);
}
add_recipient(puf, len, sdata, state, data, cfg);
}
else if(state->message_state == MSG_BODY && len >= (unsigned int)(cfg->min_word_len) && state->bodylen < BIGBUFSIZE-len-1){
// 99% of email addresses are longer than 8 characters
if(len >= MIN_EMAIL_ADDRESS_LEN && does_it_seem_like_an_email_address(puf)){
fix_email_address_for_sphinx(puf);
}
memcpy(&(state->b_body[state->bodylen]), puf, len);
state->bodylen += len;
}
} while(p);
tokenize(buf, state, sdata, data, cfg);
return 0;
}

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@ -35,5 +35,6 @@ char *get_attachment_extractor_by_filename(char *filename);
void parse_reference(struct parser_state *state, char *s);
int base64_decode_attachment_buffer(char *p, unsigned char *b, int blen);
void fix_plus_sign_in_email_address(char *puf, char **at_sign, unsigned int *len);
void tokenize(char *buf, struct parser_state *state, struct session_data *sdata, struct data *data, struct config *cfg);
#endif /* _PARSER_H */

105
src/tokenizer.c Normal file
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@ -0,0 +1,105 @@
/*
* tokenizer.c, SJ
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <unistd.h>
#include <piler.h>
void tokenize(char *buf, struct parser_state *state, struct session_data *sdata, struct data *data, struct config *cfg){
char *p, *q, puf[SMALLBUFSIZE];
int result;
unsigned int len;
translateLine((unsigned char*)buf, state);
reassembleToken(buf);
p = buf;
//printf("a: %d/%d/%d/%d/j=%d %s\n", state->is_1st_header, state->is_header, state->message_rfc822, state->message_state, sdata->ms_journal, buf);
do {
memset(puf, 0, sizeof(puf));
p = split(p, ' ', puf, sizeof(puf)-1, &result);
if(puf[0] == '\0') continue;
degenerateToken((unsigned char*)puf);
if(puf[0] == '\0') continue;
strncat(puf, " ", sizeof(puf)-strlen(puf)-1);
if(strncasecmp(puf, "http://", 7) == 0 || strncasecmp(puf, "https://", 8) == 0) fixURL(puf, sizeof(puf)-1);
len = strlen(puf);
// skip body tokens if not an URL && (empty token || too long)
if(state->is_header == 0 && strncmp(puf, "__URL__", 7) && (puf[0] == ' ' || (len > MAX_WORD_LEN && cfg->enable_cjk == 0)) ){
continue;
}
if(state->message_state == MSG_FROM && state->is_1st_header == 1 && strlen(state->b_from) < SMALLBUFSIZE-len-1){
strtolower(puf);
q = strchr(puf, '@');
if(q) fix_plus_sign_in_email_address(puf, &q, &len);
memcpy(&(state->b_from[strlen(state->b_from)]), puf, len);
if(len >= MIN_EMAIL_ADDRESS_LEN && does_it_seem_like_an_email_address(puf) == 1 && state->b_from_domain[0] == '\0'){
if(q && strlen(q) > 5){
memcpy(&(state->b_from_domain), q+1, strlen(q+1)-1);
if(strstr(sdata->mailfrom, "<>")){
snprintf(sdata->fromemail, SMALLBUFSIZE-1, "%s", puf);
sdata->fromemail[len-1] = '\0';
}
}
if(is_email_address_on_my_domains(puf, data) == 1) sdata->internal_sender = 1;
if(strlen(state->b_from) < SMALLBUFSIZE-len-1){
split_email_address(puf);
memcpy(&(state->b_from[strlen(state->b_from)]), puf, len);
}
}
}
else if((state->message_state == MSG_TO || state->message_state == MSG_CC || state->message_state == MSG_RECIPIENT || state->message_state == MSG_ENVELOPE_TO) && state->is_1st_header == 1 && state->tolen < MAXBUFSIZE-len-1){
strtolower(puf);
/* fix aaa+bbb@ccc.fu address to aaa@ccc.fu, 2017.02.04, SJ */
q = strchr(puf, '@');
if(q) fix_plus_sign_in_email_address(puf, &q, &len);
if((state->message_state == MSG_RECIPIENT || state->message_state == MSG_ENVELOPE_TO) && findnode(state->journal_recipient, puf) == NULL){
addnode(state->journal_recipient, puf);
memcpy(&(state->b_journal_to[state->journaltolen]), puf, len);
if(cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: journal rcpt: '%s'", sdata->ttmpfile, puf);
}
add_recipient(puf, len, sdata, state, data, cfg);
}
else if(state->message_state == MSG_BODY && len >= (unsigned int)(cfg->min_word_len) && state->bodylen < BIGBUFSIZE-len-1){
// 99% of email addresses are longer than 8 characters
if(len >= MIN_EMAIL_ADDRESS_LEN && does_it_seem_like_an_email_address(puf)){
fix_email_address_for_sphinx(puf);
}
memcpy(&(state->b_body[state->bodylen]), puf, len);
state->bodylen += len;
}
} while(p);
}