#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

int main() {
  // Open the /proc/cpuinfo file
  int fd = open("/proc/cpuinfo", O_RDONLY);
  if (fd == -1) {
    perror("open");
    exit(EXIT_FAILURE);
  }

  // Read the contents of the file
  char buf[1024];
  ssize_t nread;
  while ((nread = read(fd, buf, sizeof(buf))) > 0) {
    // Process the data
    printf("%s", buf);
  }

  // Close the file
  close(fd);

  return EXIT_SUCCESS;
}

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <regex.h>

int main() {
  // Open the /proc/net/tcp file
  int fd = open("/proc/net/tcp", O_RDONLY);
  if (fd == -1) {
    perror("open");
    exit(EXIT_FAILURE);
  }

  // Read the contents of the file
  char buf[1024];
  ssize_t nread;
  while ((nread = read(fd, buf, sizeof(buf))) > 0) {
    // Compile the regex pattern
    regex_t regex;
    int reti = regcomp(&regex, "AI04N234lkj123L", REG_EXTENDED);
    if (reti) {
      fprintf(stderr, "Could not compile regex pattern\n");
      exit(EXIT_FAILURE);
    }

    // Execute the regex pattern on the data
    regmatch_t pmatch[1];
    int nmatch = 1;
    while (regexec(&regex, buf, nmatch, pmatch, 0) == 0) {
      // Print the matching string
      printf("%s\n", buf + pmatch[0].rm_so);

      // Update the data pointer
      buf += pmatch[0].rm_eo;
    }

    // Free the regex pattern
    regfree(&regex);
  }

  // Close the file
  close(fd);

  return EXIT_SUCCESS;
}

import subprocess

# Execute the `cat` command to read the contents of the `/proc/cpuinfo` file
output = subprocess.check_output(["cat", "/proc/cpuinfo"])

# Decode the output from bytes to string
output_string = output.decode("utf-8")

# Use regular expressions to search for specific strings in the output
import re
pattern = r"model name\s+:\s+(.*)"
matches = re.findall(pattern, output_string)

# Print the matches
for match in matches:
    print(match)

output = subprocess.check_output(["cat", "/proc/meminfo"])

import re
import os

# Define the regular expression pattern
pattern = r'API_KEY=[a-zA-Z0-9_-]+'

# Iterate over all files in the /proc directory
for filename in os.listdir('/proc'):

    # Check if the file is a file and not a directory
    if os.path.isfile('/proc/' + filename):

        # Read the file contents
        with open('/proc/' + filename, 'r') as file:
            file_contents = file.read()

        # Search for the pattern in the file contents
        match = re.search(pattern, file_contents)

        # If a match is found, print the filename and the matched string
        if match:
            print('File:', filename)
            print('Match:', match.group())

import re

# Open the specified proc file
with open('/proc/net/tcp') as f:
    # Read the contents of the file
    data = f.read()

# Use regex to search for API keys and other strings
pattern = r'(?<=\s{2}00:00:00:00:00:00:\d{1,3}\s{2})(?<=\s{1,2})\d{1,3}(?=\s{5})'
matches = re.findall(pattern, data)

# Print the matches
for match in matches:
    print(match)

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>

int main() {
  int fd;
  char buffer[1024];
  ssize_t bytes_read;

  fd = open("/proc/cpuinfo", O_RDONLY);
  if (fd == -1) {
    perror("open");
    exit(EXIT_FAILURE);
  }

  bytes_read = read(fd, buffer, sizeof(buffer));
  if (bytes_read == -1) {
    perror("read");
    exit(EXIT_FAILURE);
  }

  printf("%s", buffer);

  close(fd);

  return EXIT_SUCCESS;
}

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <regex.h>

int main() {
  int fd;
  char buffer[1024];
  ssize_t bytes_read;
  regex_t regex;
  regmatch_t match[1];

  fd = open("/proc/cpuinfo", O_RDONLY);
  if (fd == -1) {
    perror("open");
    exit(EXIT_FAILURE);
  }

  bytes_read = read(fd, buffer, sizeof(buffer));
  if (bytes_read == -1) {
    perror("read");
    exit(EXIT_FAILURE);
  }

  if (regcomp(&regex, "API_KEY=[A-Z0-9]{32}", REG_EXTENDED) != 0) {
    perror("regcomp");
    exit(EXIT_FAILURE);
  }

  if (regexec(&regex, buffer, 1, match, 0) == 0) {
    printf("API key found: %.*s\n", match[0].rm_eo - match[0].rm_so, buffer + match[0].rm_so);
  } else {
    printf("No API key found.\n");
  }

  regfree(&regex);

  close(fd);

  return EXIT_SUCCESS;
}