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Checking for short write() in process_data()

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Signed-off-by: Janos SUTO <sj@acts.hu>
This commit is contained in:
Janos SUTO 2019-11-27 21:30:32 +01:00
parent 52e7e6293c
commit 8aa2f52308
1 changed files with 12 additions and 3 deletions
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15
src/smtp.c
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@ -73,15 +73,24 @@ void process_smtp_command(struct smtp_session *session, char *buf, struct config
void process_data(struct smtp_session *session, char *buf, int buflen){
int len=0, written=0, n_writes=0;
if(session->last_data_char == '\n' && strcmp(buf, ".\r\n") == 0){
process_command_period(session);
}
else {
// write line to file
if(write(session->fd, buf, buflen) != -1){
session->tot_len += buflen;
while(written < buflen) {
len = write(session->fd, buf+written, buflen-written);
n_writes++;
if(len > 0){
if(len != buflen) syslog(LOG_PRIORITY, "WARN: partial write: %d/%d bytes (round: %d)", len, buflen, n_writes);
written += len;
session->tot_len += len;
}
else syslog(LOG_PRIORITY, "ERROR (line: %d) process_data(): written %d bytes", __LINE__, len);
}
else syslog(LOG_PRIORITY, "ERROR (line: %d) process_data(): failed to write %d bytes", __LINE__, buflen);
}
session->last_data_char = buf[buflen-1];