diff options
| author | lns <matzeton@googlemail.com> | 2018-07-16 19:32:30 +0200 |
|---|---|---|
| committer | lns <matzeton@googlemail.com> | 2018-07-16 19:32:30 +0200 |
| commit | 486645a1b6ed3a12c938201e7729b4aeed5e1f93 (patch) | |
| tree | 254add30efceb206b88317835599f6bdc6ea62a6 /src/jail_protocol.h | |
| parent | 05706e63b0a4daf83167e159402207fefd1ca65d (diff) | |
added skeleton code for a complex jail protocol (instead of a raw tcp2pty communication)
Signed-off-by: lns <matzeton@googlemail.com>
Diffstat (limited to 'src/jail_protocol.h')
| -rw-r--r-- | src/jail_protocol.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/jail_protocol.h b/src/jail_protocol.h new file mode 100644 index 0000000..fee2ef8 --- /dev/null +++ b/src/jail_protocol.h @@ -0,0 +1,46 @@ +#ifndef POTD_JAIL_PROTOCOL_H +#define POTD_JAIL_PROTOCOL_H 1 + +#include <stdlib.h> +#include <stdint.h> + +#include "jail.h" +#include "pevent.h" + +#define USER_LEN 255 +#define PASS_LEN 255 + +#define PROTO_MAGIC 0xdeadc0de +#define PROTO_TYPE_EHLO 0xcafebabe +#define PROTO_TYPE_USER 0x41414141 +#define PROTO_TYPE_PASS 0x42424242 +#define PROTO_TYPE_DATA 0x43434343 + +typedef struct __attribute__((packed, aligned(4))) jail_data { + int used; + char user[USER_LEN+1]; + char pass[PASS_LEN+1]; +} jail_data; + +typedef struct jail_protocol_hdr { + uint32_t magic; + uint32_t type; + uint32_t size; +} jail_protocol_hdr; + + +ssize_t jail_protocol_readhdr(jail_data *dst, unsigned char *buf, + size_t bufsiz); + +ssize_t jail_protocol_writehdr(jail_protocol_hdr *hdr, int type, + unsigned char *buf, size_t bufsiz); + +int jail_protocol_handshake_read(event_ctx *ev_client, int client_fd, + int tty_fd, jail_data *dst); + +int jail_protocol_handshake_write(event_ctx *ev_server, int server_fd, + int proto_fd, jail_data *dst); + +int jail_protocol_loop(event_ctx *ctx, on_event_cb on_event, void *user_data); + +#endif |