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sync ssld with ratbox3 repository: now r25594 + charybdis related changes

This commit is contained in:
Valery V Yatsko 2008-06-26 21:21:46 +04:00
parent cddb360c6b
commit df22ecbf77
1 changed files with 43 additions and 15 deletions
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58
ssld/ssld.c
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@ -18,7 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*
* $Id: ssld.c 25221 2008-04-09 22:12:16Z jilles $
* $Id: ssld.c 25594 2008-06-25 14:58:47Z androsyn $
*/
@ -38,41 +38,34 @@ static void setup_signals(void);
static inline rb_int32_t buf_to_int32(char *buf)
{
rb_int32_t x;
x = *buf << 24;
x |= *(++buf) << 16;
x |= *(++buf) << 8;
x |= *(++buf);
memcpy(&x, buf, sizeof(x));
return x;
}
static inline void int32_to_buf(char *buf, rb_int32_t x)
{
*(buf) = x >> 24 & 0xFF;
*(++buf) = x >> 16 & 0xFF;
*(++buf) = x >> 8 & 0xFF;
*(++buf) = x & 0xFF;
memcpy(buf, &x, sizeof(x));
return;
}
static inline rb_uint16_t buf_to_uint16(char *buf)
{
rb_uint16_t x;
x = *(buf) << 8;
x |= *(++buf);
memcpy(&x, buf, sizeof(x));
return x;
}
static inline void uint16_to_buf(char *buf, rb_uint16_t x)
{
*(buf) = x >> 8 & 0xFF;
*(++buf) = x & 0xFF;
memcpy(buf, &x, sizeof(x));
return;
}
static char inbuf[READBUF_SIZE];
#ifdef HAVE_LIBZ
static char outbuf[READBUF_SIZE];
#endif
typedef struct _mod_ctl_buf
{
@ -154,9 +147,13 @@ typedef struct _conn
#define NO_WAIT 0x0
#define WAIT_PLAIN 0x1
#define HASH_WALK_SAFE(i, max, ptr, next, table) for(i = 0; i < max; i++) { RB_DLINK_FOREACH_SAFE(ptr, next, table[i].head)
#define HASH_WALK_END }
#define CONN_HASH_SIZE 2000
#define connid_hash(x) (&connid_hash_table[(x % CONN_HASH_SIZE)])
static rb_dlink_list connid_hash_table[CONN_HASH_SIZE];
static rb_dlink_list dead_list;
@ -173,6 +170,9 @@ static int zlib_ok = 1;
#else
static int zlib_ok = 0;
#endif
#ifdef HAVE_LIBZ
static void *
ssld_alloc(void *unused, size_t count, size_t size)
{
@ -184,6 +184,7 @@ ssld_free(void *unused, void *ptr)
{
rb_free(ptr);
}
#endif
static conn_t *
conn_find_by_id(rb_int32_t id)
@ -212,12 +213,14 @@ free_conn(conn_t * conn)
{
rb_free_rawbuffer(conn->modbuf_out);
rb_free_rawbuffer(conn->plainbuf_out);
#ifdef HAVE_LIBZ
if(IsZip(conn))
{
zlib_stream_t *stream = conn->stream;
inflateEnd(&stream->instream);
deflateEnd(&stream->outstream);
}
#endif
rb_free(conn);
}
@ -287,6 +290,30 @@ make_conn(mod_ctl_t *ctl, rb_fde_t * mod_fd, rb_fde_t * plain_fd)
return conn;
}
static void
check_handshake_flood(void *unused)
{
conn_t *conn;
rb_dlink_node *ptr, *next;
unsigned int count;
int i;
HASH_WALK_SAFE(i, CONN_HASH_SIZE, ptr, next, connid_hash_table)
{
conn = ptr->data;
if(!IsSSL(conn))
continue;
count = rb_ssl_handshake_count(conn->mod_fd);
/* nothing needs to do this more than twice in ten seconds i don't think */
if(count > 2)
close_conn(conn, WAIT_PLAIN, "Handshake flooding");
else
rb_ssl_clear_handshake_count(conn->mod_fd);
}
HASH_WALK_END
}
static void
conn_mod_write_sendq(rb_fde_t * fd, void *data)
{
@ -1031,7 +1058,7 @@ main(int argc, char **argv)
if(s_ctlfd == NULL || s_pipe == NULL)
{
fprintf(stderr, "This is ircd-ratbox ssld. You know you aren't supposed to run me directly?\n");
fprintf(stderr, "You get an Id tag for this: $Id: ssld.c 25221 2008-04-09 22:12:16Z jilles $\n");
fprintf(stderr, "You get an Id tag for this: $Id: ssld.c 25594 2008-06-25 14:58:47Z androsyn $\n");
fprintf(stderr, "Have a nice life\n");
exit(1);
}
@ -1070,6 +1097,7 @@ main(int argc, char **argv)
rb_set_nb(mod_ctl->F);
rb_set_nb(mod_ctl->F_pipe);
rb_event_addish("clean_dead_conns", clean_dead_conns, NULL, 10);
rb_event_add("check_handshake_flood", check_handshake_flood, NULL, 10);
read_pipe_ctl(mod_ctl->F_pipe, NULL);
mod_read_ctl(mod_ctl->F, mod_ctl);
if(!zlib_ok && !ssl_ok)