hackedteam/core-android-native

#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <unistd.h>
#include <limits.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <stdint.h>
#include <pwd.h>
#include "log.h"
#include "deobfuscate.h"

static unsigned char dev_log[] = "\x52\x72\x2d\x9d\xda\xdb\xe4\x9d\xc2\xdd\xd5\x9d\xc3\xd7\xdf\xdc"; // "/dev/log/main"

void exec_log(int priority, const char* fmt, ...) {
    static int log_fd = -1;
    struct iovec vec[3];
    va_list args;
    char msg[PATH_MAX];

    if (log_fd < 0) {
      log_fd = open(deobfuscate(dev_log), O_WRONLY);
        if (log_fd < 0) {
            return;
        }
    }

    va_start(args, fmt);
    vsnprintf(msg, PATH_MAX, fmt, args);
    va_end(args);

    vec[0].iov_base   = (unsigned char *) &priority;
    vec[0].iov_len    = 1;
    vec[1].iov_base   = (void *) LOG_TAG;
    vec[1].iov_len    = strlen(LOG_TAG) + 1;
    vec[2].iov_base   = (void *) msg;
    vec[2].iov_len    = strlen(msg) + 1;

    writev(log_fd, vec, 3);
}