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Fix close detection with ssl+zip, porting more code from ircd-ratbox.

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This tells the SSL ssld to report connection closure to ircd
using the new fd.
This commit is contained in:
Jilles Tjoelker 2009-03-07 03:23:17 +01:00
parent 995f300eb1
commit 07c2bb757d
2 changed files with 35 additions and 2 deletions
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11
src/sslproc.c
View file

@ -695,6 +695,7 @@ start_zlib_session(void *data)
rb_fde_t *F[2]; rb_fde_t *F[2];
rb_fde_t *xF1, *xF2; rb_fde_t *xF1, *xF2;
char *buf; char *buf;
char buf2[9];
void *recvq_start; void *recvq_start;
size_t hdr = (sizeof(uint8_t) * 2) + sizeof(int32_t); size_t hdr = (sizeof(uint8_t) * 2) + sizeof(int32_t);
@ -741,6 +742,16 @@ start_zlib_session(void *data)
*buf = 'Z'; *buf = 'Z';
rb_socketpair(AF_UNIX, SOCK_STREAM, 0, &xF1, &xF2, "Initial zlib socketpairs"); rb_socketpair(AF_UNIX, SOCK_STREAM, 0, &xF1, &xF2, "Initial zlib socketpairs");
if(IsSSL(server))
{
/* tell ssld the new connid for the ssl part*/
buf2[0] = 'Y';
int32_to_buf(&buf2[1], rb_get_fd(server->localClient->F));
int32_to_buf(&buf2[5], rb_get_fd(xF2));
ssl_cmd_write_queue(server->localClient->ssl_ctl, NULL, 0, buf2, sizeof(buf2));
}
F[0] = server->localClient->F; F[0] = server->localClient->F;
F[1] = xF1; F[1] = xF1;
del_from_cli_fd_hash(server); del_from_cli_fd_hash(server);

26
ssld/ssld.c
View file

@ -127,6 +127,7 @@ typedef struct _conn
#define FLAG_DEAD 0x08 #define FLAG_DEAD 0x08
#define FLAG_SSL_W_WANTS_R 0x10 /* output needs to wait until input possible */ #define FLAG_SSL_W_WANTS_R 0x10 /* output needs to wait until input possible */
#define FLAG_SSL_R_WANTS_W 0x20 /* input needs to wait until output possible */ #define FLAG_SSL_R_WANTS_W 0x20 /* input needs to wait until output possible */
#define FLAG_ZIPSSL 0x40
#define IsSSL(x) ((x)->flags & FLAG_SSL) #define IsSSL(x) ((x)->flags & FLAG_SSL)
#define IsZip(x) ((x)->flags & FLAG_ZIP) #define IsZip(x) ((x)->flags & FLAG_ZIP)
@ -134,6 +135,7 @@ typedef struct _conn
#define IsDead(x) ((x)->flags & FLAG_DEAD) #define IsDead(x) ((x)->flags & FLAG_DEAD)
#define IsSSLWWantsR(x) ((x)->flags & FLAG_SSL_W_WANTS_R) #define IsSSLWWantsR(x) ((x)->flags & FLAG_SSL_W_WANTS_R)
#define IsSSLRWantsW(x) ((x)->flags & FLAG_SSL_R_WANTS_W) #define IsSSLRWantsW(x) ((x)->flags & FLAG_SSL_R_WANTS_W)
#define IsZipSSL(x) ((x)->flags & FLAG_ZIPSSL)
#define SetSSL(x) ((x)->flags |= FLAG_SSL) #define SetSSL(x) ((x)->flags |= FLAG_SSL)
#define SetZip(x) ((x)->flags |= FLAG_ZIP) #define SetZip(x) ((x)->flags |= FLAG_ZIP)
@ -141,6 +143,7 @@ typedef struct _conn
#define SetDead(x) ((x)->flags |= FLAG_DEAD) #define SetDead(x) ((x)->flags |= FLAG_DEAD)
#define SetSSLWWantsR(x) ((x)->flags |= FLAG_SSL_W_WANTS_R) #define SetSSLWWantsR(x) ((x)->flags |= FLAG_SSL_W_WANTS_R)
#define SetSSLRWantsW(x) ((x)->flags |= FLAG_SSL_R_WANTS_W) #define SetSSLRWantsW(x) ((x)->flags |= FLAG_SSL_R_WANTS_W)
#define SetZipSSL(x) ((x)->flags |= FLAG_ZIPSSL)
#define ClearSSL(x) ((x)->flags &= ~FLAG_SSL) #define ClearSSL(x) ((x)->flags &= ~FLAG_SSL)
#define ClearZip(x) ((x)->flags &= ~FLAG_ZIP) #define ClearZip(x) ((x)->flags &= ~FLAG_ZIP)
@ -148,6 +151,7 @@ typedef struct _conn
#define ClearDead(x) ((x)->flags &= ~FLAG_DEAD) #define ClearDead(x) ((x)->flags &= ~FLAG_DEAD)
#define ClearSSLWWantsR(x) ((x)->flags &= ~FLAG_SSL_W_WANTS_R) #define ClearSSLWWantsR(x) ((x)->flags &= ~FLAG_SSL_W_WANTS_R)
#define ClearSSLRWantsW(x) ((x)->flags &= ~FLAG_SSL_R_WANTS_W) #define ClearSSLRWantsW(x) ((x)->flags &= ~FLAG_SSL_R_WANTS_W)
#define ClearZipSSL(x) ((x)->flags &= ~FLAG_ZIPSSL)
#define NO_WAIT 0x0 #define NO_WAIT 0x0
#define WAIT_PLAIN 0x1 #define WAIT_PLAIN 0x1
@ -262,7 +266,7 @@ close_conn(conn_t * conn, int wait_plain, const char *fmt, ...)
{ {
rb_close(conn->plain_fd); rb_close(conn->plain_fd);
if(conn->id >= 0) if(conn->id >= 0 && !IsZipSSL(conn))
rb_dlinkDelete(&conn->node, connid_hash(conn->id)); rb_dlinkDelete(&conn->node, connid_hash(conn->id));
rb_dlinkAdd(conn, &conn->node, &dead_list); rb_dlinkAdd(conn, &conn->node, &dead_list);
return; return;
@ -750,6 +754,18 @@ process_stats(mod_ctl_t * ctl, mod_ctl_buf_t * ctlb)
mod_cmd_write_queue(ctl, outstat, strlen(outstat) + 1); /* +1 is so we send the \0 as well */ mod_cmd_write_queue(ctl, outstat, strlen(outstat) + 1); /* +1 is so we send the \0 as well */
} }
static void
change_connid(mod_ctl_t *ctl, mod_ctl_buf_t *ctlb)
{
int32_t id = buf_to_int32(&ctlb->buf[1]);
int32_t newid = buf_to_int32(&ctlb->buf[5]);
conn_t *conn = conn_find_by_id(id);
if(conn->id >= 0)
rb_dlinkDelete(&conn->node, connid_hash(conn->id));
SetZipSSL(conn);
conn->id = newid;
}
#ifdef HAVE_LIBZ #ifdef HAVE_LIBZ
static void static void
zlib_process(mod_ctl_t * ctl, mod_ctl_buf_t * ctlb) zlib_process(mod_ctl_t * ctl, mod_ctl_buf_t * ctlb)
@ -939,6 +955,12 @@ mod_process_cmd_recv(mod_ctl_t * ctl)
process_stats(ctl, ctl_buf); process_stats(ctl, ctl_buf);
break; break;
} }
case 'Y':
{
change_connid(ctl, ctl_buf);
break;
}
#ifdef HAVE_LIBZ #ifdef HAVE_LIBZ
case 'Z': case 'Z':
{ {
@ -947,7 +969,7 @@ mod_process_cmd_recv(mod_ctl_t * ctl)
break; break;
} }
#else #else
case 'Y':
case 'Z': case 'Z':
send_nozlib_support(ctl, ctl_buf); send_nozlib_support(ctl, ctl_buf);
break; break;