132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <string.h>
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void displayHeader() {
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printf("╭━━━╮╱╱╱╱╱╱╭╮\n");
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printf("╰╮╭╮┣╮╱╱╱╱╱┃┃\n");
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printf("╱┃┃┃┣╋╮╭┳╮╭┫╰━┳━━┳╮\n");
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printf("╱┃┃┃┣┫┃┃┃╰╯┃╭╮┃╭╮┣┫\n");
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printf("╭╯╰╯┃┃╰╯┃┃┃┃╰╯┃╭╮┃┃\n");
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printf("╰━━━┫┣━━┻┻┻┻━━┻╯╰┻╯\n");
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printf("╱╱╱╭╯┃\n");
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printf("╱╱╱╰━╯\n");
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}
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void displayAllMessages(uid_t userID) {
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char dirname[256];
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sprintf(dirname, "%d", userID); // Convert userID to string
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DIR *dir;
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struct dirent *entry;
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printf("Reading all messages for UserID %d...\n", userID);
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dir = opendir(dirname);
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if (dir == NULL) {
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printf("Error opening directory\n");
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return;
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}
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while ((entry = readdir(dir)) != NULL) {
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if (entry->d_type == DT_REG) { // If it's a regular file
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displayMessage(dirname, entry->d_name);
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}
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}
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closedir(dir);
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}
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void displayUserMessages(char *userID) {
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char currentUserDir[256];
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sprintf(currentUserDir, "%d", getuid()); // Convert currentUserID to string
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char userDir[256];
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sprintf(userDir, "%s/%s", currentUserDir, userID); // Construct user directory path
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DIR *dir;
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struct dirent *entry;
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printf("Reading messages from user %s...\n", userID);
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dir = opendir(userDir);
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if (dir == NULL) {
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printf("Error opening directory for user %s\n", userID);
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return;
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}
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while ((entry = readdir(dir)) != NULL) {
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if (entry->d_type == DT_REG) { // If it's a regular file
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displayMessage(userDir, entry->d_name);
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}
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}
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closedir(dir);
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}
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void displayGroupMessages(char *groupID) {
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printf("Reading messages from group %s...\n", groupID);
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// Your code to read messages from a specific group
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}
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void displayMessage(char *dirname, char *filename) {
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char filepath[256];
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sprintf(filepath, "%s/%s", dirname, filename);
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FILE *file = fopen(filepath, "r");
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if (file == NULL) {
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printf("Error opening file: %s\n", filename);
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return;
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}
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printf("----- %s -----\n", filename);
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char buffer[256];
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while (fgets(buffer, sizeof(buffer), file)) {
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printf("%s", buffer);
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}
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printf("\n----- End of %s -----\n", filename);
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fclose(file);
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}
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int main() {
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int choice;
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char userID[20];
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char groupID[20];
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displayHeader();
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while(1) {
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printf("\nCurrent UserID: %d\n", getuid());
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printf("Options:\n");
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printf("1. all (read all messages)\n");
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printf("2. user -userID_here (read messages from given userID)\n");
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printf("3. group -groupID_here\n");
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printf("4. kill (exit the program)\n");
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printf("Enter your choice: ");
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scanf("%d", &choice);
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switch(choice) {
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case 1:
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displayAllMessages(getuid());
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break;
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case 2:
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printf("Enter userID: ");
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scanf("%s", userID);
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displayUserMessages(userID);
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break;
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case 3:
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printf("Enter groupID: ");
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scanf("%s", groupID);
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displayGroupMessages(groupID);
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break;
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case 4:
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printf("Exiting program...\n");
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exit(0);
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default:
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printf("Invalid choice. Please try again.\n");
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}
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}
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return 0;
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}
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