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Initial code for handling XID in src/server.c

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Write initial code for handling XID frames in src/server.c
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XANTRONIX Development 2020-07-16 23:05:31 -04:00 • committed by XANTRONIX Industrial
parent 18134dde49
commit ce8c5b1cbb
1 changed files with 24 additions and 6 deletions
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30
src/server.c
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@ -1311,6 +1311,13 @@ error_sock_resend:
return -1; return -1;
} }
static int handle_xid_param(enum patty_ax25_frame_xid_param_type type,
size_t len,
uint8_t *data,
void *ctx) {
return 0;
}
static int handle_frame(patty_ax25_server *server, static int handle_frame(patty_ax25_server *server,
patty_ax25_if *iface, patty_ax25_if *iface,
void *buf, void *buf,
@ -1318,13 +1325,15 @@ static int handle_frame(patty_ax25_server *server,
patty_ax25_frame frame; patty_ax25_frame frame;
enum patty_ax25_frame_format format = PATTY_AX25_FRAME_NORMAL; enum patty_ax25_frame_format format = PATTY_AX25_FRAME_NORMAL;
ssize_t decoded; ssize_t decoded,
offset = 0;
patty_ax25_sock *sock; patty_ax25_sock *sock;
if ((decoded = patty_ax25_frame_decode_address(&frame, buf, len)) < 0) { if ((decoded = patty_ax25_frame_decode_address(&frame, buf, len)) < 0) {
iface->stats.dropped++;
goto error_io; goto error_io;
} else {
offset += decoded;
} }
if ((sock = sock_by_addrpair(server->socks_established, if ((sock = sock_by_addrpair(server->socks_established,
@ -1335,10 +1344,10 @@ static int handle_frame(patty_ax25_server *server,
} }
} }
if (patty_ax25_frame_decode_control(&frame, format, buf, decoded, len) < 0) { if ((decoded = patty_ax25_frame_decode_control(&frame, format, buf, offset, len)) < 0) {
iface->stats.dropped++;
goto error_io; goto error_io;
} else {
offset += decoded;
} }
switch (frame.type) { switch (frame.type) {
@ -1352,6 +1361,13 @@ static int handle_frame(patty_ax25_server *server,
case PATTY_AX25_FRAME_SREJ: return handle_srej(server, iface, sock, &frame); case PATTY_AX25_FRAME_SREJ: return handle_srej(server, iface, sock, &frame);
case PATTY_AX25_FRAME_FRMR: return 0; case PATTY_AX25_FRAME_FRMR: return 0;
case PATTY_AX25_FRAME_XID:
if (patty_ax25_frame_decode_xid(handle_xid_param, buf, offset, len, sock) < 0) {
goto error_io;
}
break;
default: default:
break; break;
} }
@ -1359,6 +1375,8 @@ static int handle_frame(patty_ax25_server *server,
return 0; return 0;
error_io: error_io:
iface->stats.dropped++;
return -1; return -1;
} }