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return error for too long commands

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This commit is contained in:
Igor Sysoev 2007-02-14 20:45:19 +00:00
parent 722231f407
commit 65a7b8f988
1 changed files with 17 additions and 4 deletions
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21
src/imap/ngx_imap_handler.c
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@ -1212,6 +1212,7 @@ ngx_imap_read_command(ngx_imap_session_t *s)
{
ssize_t n;
ngx_int_t rc;
ngx_str_t l;
n = s->connection->recv(s->connection, s->buffer->last,
s->buffer->end - s->buffer->last);
@ -1240,10 +1241,22 @@ ngx_imap_read_command(ngx_imap_session_t *s)
rc = ngx_imap_parse_command(s);
}
if (rc == NGX_AGAIN
|| rc == NGX_IMAP_NEXT
|| rc == NGX_IMAP_PARSE_INVALID_COMMAND)
{
if (rc == NGX_AGAIN) {
if (s->buffer->last < s->buffer->end) {
return rc;
}
l.len = s->buffer->last - s->buffer->start;
l.data = s->buffer->start;
ngx_log_error(NGX_LOG_INFO, s->connection->log, 0,
"client sent too long command \"%V\"", &l);
return NGX_IMAP_PARSE_INVALID_COMMAND;
}
if (rc == NGX_IMAP_NEXT || rc == NGX_IMAP_PARSE_INVALID_COMMAND) {
return rc;
}