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added verification code to the metadata table

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This commit is contained in:
SJ 2012-01-09 23:15:39 +01:00
parent d603f29feb
commit c74ed7195a
7 changed files with 117 additions and 17 deletions
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18
src/digest.c
View File

@ -113,3 +113,21 @@ void digest_file(char *filename, char *digest){
}
void digest_string(char *s, char *digest){
int i;
unsigned char md[DIGEST_LENGTH];
SHA256_CTX context;
memset(digest, 0, 2*DIGEST_LENGTH+1);
SHA256_Init(&context);
SHA256_Update(&context, s, strlen(s));
SHA256_Final(md, &context);
for(i=0;i<DIGEST_LENGTH;i++)
snprintf(digest + i*2, 2*DIGEST_LENGTH, "%02x", md[i]);
}

83
src/message.c
View File

@ -192,11 +192,11 @@ int store_index_data(struct session_data *sdata, struct _state *state, uint64 id
int store_recipients(struct session_data *sdata, char *to, uint64 id, struct __config *cfg){
int rc, ret=OK;
char *p, s[SMALLBUFSIZE], puf[SMALLBUFSIZE];
char *p, *q, s[SMALLBUFSIZE], puf[SMALLBUFSIZE];
MYSQL_STMT *stmt;
MYSQL_BIND bind[1];
unsigned long len[1];
MYSQL_BIND bind[2];
unsigned long len[2];
stmt = mysql_stmt_init(&(sdata->mysql));
if(!stmt){
@ -204,7 +204,7 @@ int store_recipients(struct session_data *sdata, char *to, uint64 id, struct __c
return ERR;
}
snprintf(s, sizeof(s)-1, "INSERT INTO %s (`id`,`to`) VALUES('%llu',?)", SQL_RECIPIENT_TABLE, id);
snprintf(s, sizeof(s)-1, "INSERT INTO %s (`id`,`to`,`todomain`) VALUES('%llu',?,?)", SQL_RECIPIENT_TABLE, id);
if(mysql_stmt_prepare(stmt, s, strlen(s))){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_prepare() error: %s", sdata->ttmpfile, SQL_RECIPIENT_TABLE, mysql_stmt_error(stmt));
@ -215,7 +215,10 @@ int store_recipients(struct session_data *sdata, char *to, uint64 id, struct __c
do {
p = split_str(p, " ", puf, sizeof(puf)-1);
if(strlen(puf) > 5){
q = strchr(puf, '@');
if(q && strlen(q) > 3 && does_it_seem_like_an_email_address(puf) == 1){
q++;
memset(bind, 0, sizeof(bind));
@ -224,6 +227,11 @@ int store_recipients(struct session_data *sdata, char *to, uint64 id, struct __c
bind[0].is_null = 0;
len[0] = strlen(puf); bind[0].length = &len[0];
bind[1].buffer_type = MYSQL_TYPE_STRING;
bind[1].buffer = q;
bind[1].is_null = 0;
len[1] = strlen(q); bind[1].length = &len[1];
if(mysql_stmt_bind_param(stmt, bind)){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_bind_param() error: %s", sdata->ttmpfile, SQL_RECIPIENT_TABLE, mysql_stmt_error(stmt));
return ERR;
@ -237,6 +245,9 @@ int store_recipients(struct session_data *sdata, char *to, uint64 id, struct __c
ret = ERR;
}
} else {
syslog(LOG_PRIORITY, "%s: invalid email address: %s", sdata->ttmpfile, puf);
continue;
}
} while(p);
@ -245,9 +256,42 @@ int store_recipients(struct session_data *sdata, char *to, uint64 id, struct __c
}
int update_verification_code(struct session_data *sdata, struct _state *state, uint64 id, struct __config *cfg){
char s[SMALLBUFSIZE], vcode[MAXBUFSIZE], digest[2*DIGEST_LENGTH+1];
MYSQL_RES *res;
MYSQL_ROW row;
snprintf(vcode, sizeof(vcode)-1, "%llu+%s%s%ld%ld%d%d%d%d%s%s%s+", id, state->b_from, state->message_id, sdata->now, sdata->sent, sdata->tot_len, sdata->hdr_len, sdata->direction, state->n_attachments, sdata->ttmpfile, sdata->digest, sdata->bodydigest);
if(id > 2){
snprintf(s, SMALLBUFSIZE-1, "SELECT `vcode` FROM `%s` WHERE `id`=%llu OR `id`=%llu ORDER BY `id` ASC", SQL_METADATA_TABLE, id-1, id-2);
if(mysql_real_query(&(sdata->mysql), s, strlen(s)) == 0){
res = mysql_store_result(&(sdata->mysql));
if(res != NULL){
while((row = mysql_fetch_row(res))){
if(row){
if((char*)row[0]) strncat(vcode, (char*)row[0], sizeof(vcode)-1);
}
}
mysql_free_result(res);
}
}
}
digest_string(vcode, &digest[0]);
if(cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: verification data: %s, digest: %s", sdata->ttmpfile, vcode, digest);
snprintf(s, SMALLBUFSIZE-1, "UPDATE %s SET `vcode`='%s' WHERE id=%llu", SQL_METADATA_TABLE, digest, id);
return mysql_real_query(&(sdata->mysql), s, strlen(s));
}
int store_meta_data(struct session_data *sdata, struct _state *state, struct __config *cfg){
int rc, ret=ERR;
char *subj, s[MAXBUFSIZE];
char *subj, *p, s[MAXBUFSIZE];
MYSQL_STMT *stmt;
MYSQL_BIND bind[4];
@ -265,7 +309,7 @@ int store_meta_data(struct session_data *sdata, struct _state *state, struct __c
subj = state->b_subject;
if(*subj == ' ') subj++;
snprintf(s, MAXBUFSIZE-1, "INSERT INTO %s (`from`,`subject`,`arrived`,`sent`,`size`,`hlen`,`direction`,`attachments`,`piler_id`,`message_id`,`digest`,`bodydigest`) VALUES(?,?,%ld,%ld,%d,%d,%d,%d,'%s',?,'%s','%s')", SQL_METADATA_TABLE, sdata->now, sdata->sent, sdata->tot_len, sdata->hdr_len, sdata->direction, state->n_attachments, sdata->ttmpfile, sdata->digest, sdata->bodydigest);
snprintf(s, MAXBUFSIZE-1, "INSERT INTO %s (`from`,`fromdomain`,`subject`,`arrived`,`sent`,`size`,`hlen`,`direction`,`attachments`,`piler_id`,`message_id`,`digest`,`bodydigest`) VALUES(?,?,?,%ld,%ld,%d,%d,%d,%d,'%s',?,'%s','%s')", SQL_METADATA_TABLE, sdata->now, sdata->sent, sdata->tot_len, sdata->hdr_len, sdata->direction, state->n_attachments, sdata->ttmpfile, sdata->digest, sdata->bodydigest);
if(cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: meta sql: *%s*", sdata->ttmpfile, s);
@ -277,7 +321,7 @@ int store_meta_data(struct session_data *sdata, struct _state *state, struct __c
if(strlen(state->b_to) < 5){
snprintf(state->b_to, SMALLBUFSIZE-1, "undisclosed-recipients");
snprintf(state->b_to, SMALLBUFSIZE-1, "undisclosed-recipients@no.domain");
}
memset(bind, 0, sizeof(bind));
@ -287,15 +331,24 @@ int store_meta_data(struct session_data *sdata, struct _state *state, struct __c
bind[0].is_null = 0;
len[0] = strlen(state->b_from); bind[0].length = &len[0];
p = strchr(state->b_from, '@');
if(p && strlen(p) > 3){
p++;
bind[1].buffer_type = MYSQL_TYPE_STRING;
bind[1].buffer = subj;
bind[1].buffer = p;
bind[1].is_null = 0;
len[1] = strlen(subj); bind[1].length = &len[1];
len[1] = strlen(p); bind[1].length = &len[1];
}
bind[2].buffer_type = MYSQL_TYPE_STRING;
bind[2].buffer = state->message_id;
bind[2].buffer = subj;
bind[2].is_null = 0;
len[2] = strlen(state->message_id); bind[2].length = &len[2];
len[2] = strlen(subj); bind[2].length = &len[2];
bind[3].buffer_type = MYSQL_TYPE_STRING;
bind[3].buffer = state->message_id;
bind[3].is_null = 0;
len[3] = strlen(state->message_id); bind[3].length = &len[3];
if(mysql_stmt_bind_param(stmt, bind)){
syslog(LOG_PRIORITY, "%s: %s.mysql_stmt_bind_param() error: %s", sdata->ttmpfile, SQL_METADATA_TABLE, mysql_stmt_error(stmt));
@ -311,11 +364,17 @@ int store_meta_data(struct session_data *sdata, struct _state *state, struct __c
}
else {
id = mysql_stmt_insert_id(stmt);
rc = store_recipients(sdata, state->b_to, id, cfg);
if(cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: stored recipients, rc=%d", sdata->ttmpfile, rc);
if(rc == OK){
rc = update_verification_code(sdata, state, id, cfg);
if(cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: updated verification code, rc=%d", sdata->ttmpfile, rc);
rc = store_index_data(sdata, state, id, cfg);
if(cfg->verbosity >= _LOG_DEBUG) syslog(LOG_PRIORITY, "%s: stored indexdata, rc=%d", sdata->ttmpfile, rc);

4
src/parser.c
View File

@ -398,12 +398,12 @@ int parse_line(char *buf, struct _state *state, struct session_data *sdata, stru
len = strlen(puf);
if(state->message_state == MSG_FROM && strchr(puf, '@') && strlen(puf) > 5 && state->is_1st_header == 1 && state->b_from[0] == '\0' && strlen(state->b_from) < SMALLBUFSIZE-len-1){
if(state->message_state == MSG_FROM && does_it_seem_like_an_email_address(puf) == 1 && state->is_1st_header == 1 && state->b_from[0] == '\0' && strlen(state->b_from) < SMALLBUFSIZE-len-1){
memcpy(&(state->b_from[strlen(state->b_from)]), puf, len);
if(is_email_address_on_my_domains(puf, cfg) == 1) sdata->internal_sender = 1;
}
else if((state->message_state == MSG_TO || state->message_state == MSG_CC) && state->is_1st_header == 1 && strchr(puf, '@') && strlen(puf) > 5 && strlen(state->b_to) < SMALLBUFSIZE-len-1){
else if((state->message_state == MSG_TO || state->message_state == MSG_CC) && state->is_1st_header == 1 && does_it_seem_like_an_email_address(puf) == 1 && strlen(state->b_to) < SMALLBUFSIZE-len-1){
if(is_string_on_list(state->rcpt, puf) == 0){
append_list(&(state->rcpt), puf);

1
src/parser.h
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@ -24,6 +24,7 @@ void markHTML(char *buf, struct _state *state);
int appendHTMLTag(char *buf, char *htmlbuf, int pos, struct _state *state);
void translateLine(unsigned char *p, struct _state *state);
void fix_email_address_for_sphinx(char *s);
int does_it_seem_like_an_email_address(char *email);
void reassembleToken(char *p);
void degenerateToken(unsigned char *p);
void fixURL(char *url);

18
src/parser_utils.c
View File

@ -498,6 +498,24 @@ void fix_email_address_for_sphinx(char *s){
}
int does_it_seem_like_an_email_address(char *email){
char *p;
if(email == NULL) return 0;
if(strlen(email) < 5) return 0;
p = strchr(email, '@');
if(!p) return 0;
if(strlen(p+1) < 3) return 0;
if(!strchr(p+1, '.')) return 0;
return 1;
}
/*
* reassemble 'V i a g r a' to 'Viagra'
*/

1
src/piler.h
View File

@ -31,6 +31,7 @@ int do_av_check(struct session_data *sdata, char *rcpttoemail, char *fromemail,
int make_digests(struct session_data *sdata, struct __config *cfg);
void digest_file(char *filename, char *digest);
void digest_string(char *s, char *digest);
int handle_smtp_session(int new_sd, struct __data *data, struct __config *cfg);

5
util/db-mysql.sql
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@ -31,6 +31,7 @@ drop table if exists `metadata`;
create table if not exists `metadata` (
`id` bigint unsigned not null auto_increment,
`from` char(255) not null,
`fromdomain` char(48) not null,
`subject` text(512) default null,
`arrived` int not null,
`sent` int not null,
@ -43,6 +44,7 @@ create table if not exists `metadata` (
`message_id` char(128) character set 'latin1' not null,
`digest` char(64) not null,
`bodydigest` char(64) not null,
`vcode` char(64) default null,
primary key (`id`), unique(`message_id`)
) Engine=InnoDB;
@ -56,6 +58,7 @@ drop table if exists `rcpt`;
create table if not exists `rcpt` (
`id` bigint unsigned not null,
`to` char(64) not null,
`todomain` char(48) not null,
unique(`id`,`to`)
) Engine=InnoDB;
@ -64,7 +67,7 @@ create index `rcpt_idx2` on `rcpt`(`to`);
drop view if exists `messages`;
create view `messages` AS select `metadata`.`id` AS `id`,`metadata`.`piler_id` AS `piler_id`,`metadata`.`from` AS `from`,`rcpt`.`to` AS `to`,`metadata`.`subject` AS `subject`, `metadata`.`size` AS `size`, `metadata`.`direction` AS `direction`, `metadata`.`sent` AS `sent`, `metadata`.`digest` AS `digest`, `metadata`.`bodydigest` AS `bodydigest` from (`metadata` join `rcpt`) where (`metadata`.`id` = `rcpt`.`id`);
create view `messages` AS select `metadata`.`id` AS `id`,`metadata`.`piler_id` AS `piler_id`,`metadata`.`from` AS `from`,`metadata`.`fromdomain` AS `fromdomain`,`rcpt`.`to` AS `to`,`rcpt`.`todomain` AS `todomain`,`metadata`.`subject` AS `subject`, `metadata`.`size` AS `size`, `metadata`.`direction` AS `direction`, `metadata`.`sent` AS `sent`, `metadata`.`digest` AS `digest`, `metadata`.`bodydigest` AS `bodydigest` from (`metadata` join `rcpt`) where (`metadata`.`id` = `rcpt`.`id`);
drop table if exists `attachment`;