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discard messages shorter than 100 bytes

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This commit is contained in:
SJ 2016-03-02 09:42:56 +01:00
parent aefef17404
commit 74bfea36c6
6 changed files with 12 additions and 2 deletions
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3
etc/example.conf
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@ -74,6 +74,9 @@ workdir=/var/piler/tmp
; whether to enable writing folder_message table (1) or not (0) ; whether to enable writing folder_message table (1) or not (0)
enable_folders=0 enable_folders=0
; discard a message if it's shorter than this value (in bytes)
min_message_size=100
; ;
; starttls stuff ; starttls stuff
; ;

1
src/cfg.c
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@ -83,6 +83,7 @@ struct _parse_rule config_parse_rules[] =
{ "memcached_servers", "string", (void*) string_parser, offsetof(struct __config, memcached_servers), "127.0.0.1", MAXVAL-1}, { "memcached_servers", "string", (void*) string_parser, offsetof(struct __config, memcached_servers), "127.0.0.1", MAXVAL-1},
{ "memcached_to_db_interval", "integer", (void*) int_parser, offsetof(struct __config, memcached_to_db_interval), "900", sizeof(int)}, { "memcached_to_db_interval", "integer", (void*) int_parser, offsetof(struct __config, memcached_to_db_interval), "900", sizeof(int)},
{ "memcached_ttl", "integer", (void*) int_parser, offsetof(struct __config, memcached_ttl), "86400", sizeof(int)}, { "memcached_ttl", "integer", (void*) int_parser, offsetof(struct __config, memcached_ttl), "86400", sizeof(int)},
{ "min_message_size", "integer", (void*) int_parser, offsetof(struct __config, min_message_size), "100", sizeof(int)},
{ "min_word_len", "integer", (void*) int_parser, offsetof(struct __config, min_word_len), "1", sizeof(int)}, { "min_word_len", "integer", (void*) int_parser, offsetof(struct __config, min_word_len), "1", sizeof(int)},
{ "mmap_dedup_test", "integer", (void*) int_parser, offsetof(struct __config, mmap_dedup_test), "0", sizeof(int)}, { "mmap_dedup_test", "integer", (void*) int_parser, offsetof(struct __config, mmap_dedup_test), "0", sizeof(int)},
{ "mysqlhost", "string", (void*) string_parser, offsetof(struct __config, mysqlhost), "", MAXVAL-1}, { "mysqlhost", "string", (void*) string_parser, offsetof(struct __config, mysqlhost), "", MAXVAL-1},

2
src/cfg.h
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@ -79,6 +79,8 @@ struct __config {
int min_word_len; int min_word_len;
int min_message_size;
int tweak_sent_time_offset; int tweak_sent_time_offset;
int enable_cjk; int enable_cjk;

2
src/config.h
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@ -13,7 +13,7 @@
#define VERSION "1.2.0-master" #define VERSION "1.2.0-master"
#define BUILD 937 #define BUILD 938
#define HOSTID "mailarchiver" #define HOSTID "mailarchiver"

2
src/import.c
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@ -63,7 +63,7 @@ int import_message(char *filename, struct session_data *sdata, struct __data *da
} }
if(sdata->tot_len < 30){ if(sdata->tot_len < cfg->min_message_size){
printf("%s is too short: %d bytes\n", sdata->filename, sdata->tot_len); printf("%s is too short: %d bytes\n", sdata->filename, sdata->tot_len);
return rc; return rc;
} }

4
src/session.c
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@ -209,6 +209,10 @@ int handle_smtp_session(int new_sd, struct __data *data, struct __config *cfg){
syslog(LOG_PRIORITY, "%s: discarding: restored copy", sdata.ttmpfile); syslog(LOG_PRIORITY, "%s: discarding: restored copy", sdata.ttmpfile);
inj = OK; inj = OK;
} }
else if(sdata.tot_len < cfg->min_message_size){
syslog(LOG_PRIORITY, "%s: discarding: too short message (%d bytes)", sdata.ttmpfile, sdata.tot_len);
inj = OK;
}
else if(AVIR_VIRUS == sdata.rav){ else if(AVIR_VIRUS == sdata.rav){
syslog(LOG_PRIORITY, "%s: found virus: %s", sdata.ttmpfile, virusinfo); syslog(LOG_PRIORITY, "%s: found virus: %s", sdata.ttmpfile, virusinfo);
counters.c_virus++; counters.c_virus++;