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2025-04-23 16:48:58 +00:00
parent bf6134fa93
commit 8df0dfd308
5 changed files with 300 additions and 0 deletions
--- a/module_01.c
+++ b/module_01.c
@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+#define BOLD_GRAY "\033[1;90m"
+#define RED "\033[0;31m"
+#define WHITE "\033[0;37m"
+#define RESET "\033[0m"
+
+int module_01_run(const char *filename) {
+    char log_msg[1024];
+
+    struct stat st;
+    if (stat(filename, &st) != 0) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Main: " RED "Cannot stat file: %s" RESET, strerror(errno));
+        printf("%s\n", log_msg);
+        return 1;
+    }
+
+    int is_regular = S_ISREG(st.st_mode);
+    snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Main: " WHITE "File is %s" RESET, is_regular ? "regular file" : "not a regular file");
+    printf("%s\n", log_msg);
+    return 0;
+}
--- a/module_02.c
+++ b/module_02.c
@@ -0,0 +1,86 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#define BOLD_GRAY "\033[1;90m"
+#define RED "\033[0;31m"
+#define WHITE "\033[0;37m"
+#define RESET "\033[0m"
+
+// Размер буфера для чтения
+#define BUFFER_SIZE 4096
+
+int module_02_run(const char *filename) {
+    char log_msg[1024];
+
+    FILE *file = fopen(filename, "rb");
+    if (!file) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library text_analyzer: " RED "File type not recognized: %s" RESET, strerror(errno));
+        printf("%s\n", log_msg);
+        return 1;
+    }
+
+    unsigned char *buffer = malloc(BUFFER_SIZE);
+    if (!buffer) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library text_analyzer: " RED "Memory allocation failed" RESET);
+        printf("%s\n", log_msg);
+        fclose(file);
+        return 1;
+    }
+
+    size_t read_bytes = fread(buffer, 1, BUFFER_SIZE, file);
+    fclose(file);
+
+    if (read_bytes == 0) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library text_analyzer: " RED "File type not recognized: Empty file" RESET);
+        printf("%s\n", log_msg);
+        free(buffer);
+        return 1;
+    }
+
+    // Проверяем наличие ANSI-кодов
+    int has_ansi = 0;
+    for (size_t i = 0; i < read_bytes - 1; i++) {
+        if (buffer[i] == '\x1B' && buffer[i + 1] == '[') {
+            has_ansi = 1;
+            break;
+        }
+    }
+
+    // Проверяем JSON
+    int is_json = 0;
+    for (size_t i = 0; i < read_bytes; i++) {
+        if (buffer[i] == ' ' || buffer[i] == '\t' || buffer[i] == '\n' || buffer[i] == '\r') continue;
+        if (buffer[i] == '{' || buffer[i] == '[') {
+            is_json = 1;
+        }
+        break;
+    }
+
+    // Проверяем CSV
+    int is_csv = 0;
+    int comma_count = 0;
+    for (size_t i = 0; i < read_bytes; i++) {
+        if (buffer[i] == ',' || buffer[i] == ';') {
+            comma_count++;
+            if (comma_count >= 3) {
+                is_csv = 1;
+                break;
+            }
+        }
+    }
+
+    if (has_ansi) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library text_analyzer: " WHITE "Text file with ANSI escape sequences (likely terminal log)" RESET);
+    } else if (is_json) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library text_analyzer: " WHITE "Text file, likely JSON format" RESET);
+    } else if (is_csv) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library text_analyzer: " WHITE "Text file, likely CSV format" RESET);
+    } else {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library text_analyzer: " WHITE "Text file, unknown structure (possibly plain text or log)" RESET);
+    }
+    printf("%s\n", log_msg);
+    free(buffer);
+    return 0;
+}
--- a/module_03.c
+++ b/module_03.c
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/sysmacros.h>
+#include <unistd.h>
+//#include "log.h"
+
+#define BOLD_GRAY "\033[1;90m"
+#define RED "\033[0;31m"
+#define WHITE "\033[0;37m"
+#define RESET "\033[0m"
+
+int module_03_run(const char *filename) {
+    char log_msg[1024];
+
+    struct stat st;
+    if (stat(filename, &st) != 0) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library libstat: " RED "File type not recognized: %s" RESET, strerror(errno));
+        printf("%s\n", log_msg);
+//        log_message(log_msg);
+        return 1;
+    }
+
+    const char *type;
+    char extra_info[512] = "";
+    if (S_ISREG(st.st_mode)) {
+        type = "regular file";
+    } else if (S_ISDIR(st.st_mode)) {
+        type = "directory";
+    } else if (S_ISCHR(st.st_mode)) {
+        type = "character device";
+        snprintf(extra_info, sizeof(extra_info), ", Major: %d, Minor: %d",
+                 major(st.st_rdev), minor(st.st_rdev));
+    } else if (S_ISBLK(st.st_mode)) {
+        type = "block device";
+        snprintf(extra_info, sizeof(extra_info), ", Major: %d, Minor: %d",
+                 major(st.st_rdev), minor(st.st_rdev));
+    } else if (S_ISFIFO(st.st_mode)) {
+        type = "FIFO (named pipe)";
+    } else if (S_ISSOCK(st.st_mode)) {
+        type = "socket";
+    } else if (S_ISLNK(st.st_mode)) {
+        type = "symbolic link";
+        char link_target[256];
+        ssize_t len = readlink(filename, link_target, sizeof(link_target) - 1);
+        if (len != -1) {
+            link_target[len] = '\0';
+            snprintf(extra_info, sizeof(extra_info), ", Points to: %s", link_target);
+        } else {
+            snprintf(extra_info, sizeof(extra_info), ", Error reading link: %s", strerror(errno));
+        }
+    } else {
+        type = "unknown";
+    }
+
+    if (strncmp(filename, "/proc/", 6) == 0) {
+        type = "procfs pseudo-file";
+    } else if (strncmp(filename, "/sys/", 5) == 0) {
+        type = "sysfs pseudo-file";
+    }
+
+    snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library libstat: " WHITE "Size: %ld bytes, Permissions: %o, Type: %s%s" RESET,
+             (long)st.st_size, st.st_mode & 0777, type, extra_info);
+    printf("%s\n", log_msg);
+//    log_message(log_msg);
+    return 0;
+}
--- a/module_04.c
+++ b/module_04.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <magic.h>
+
+#define BOLD_GRAY "\033[1;90m"
+#define RED "\033[0;31m"
+#define WHITE "\033[0;37m"
+#define RESET "\033[0m"
+
+int module_04_run(const char *filename) {
+    char log_msg[1024];
+
+    magic_t magic = magic_open(MAGIC_MIME_TYPE | MAGIC_ERROR | MAGIC_NO_CHECK_CDF);
+    if (!magic) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library libmagic: " RED "File type not recognized: Error initializing libmagic" RESET);
+        printf("%s\n", log_msg);
+        return 1;
+    }
+
+    if (magic_load(magic, NULL) != 0) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library libmagic: " RED "File type not recognized: Error loading magic database: %s" RESET,
+                 magic_error(magic));
+        printf("%s\n", log_msg);
+        magic_close(magic);
+        return 1;
+    }
+
+    const char *mime = magic_file(magic, filename);
+    if (!mime || strlen(mime) == 0 || strstr(mime, "\xFF") || strstr(mime, "\x00")) {
+        mime = "text/plain";
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library libmagic: " RED "Invalid MIME, assuming text/plain" RESET);
+        printf("%s\n", log_msg);
+    }
+
+    magic_setflags(magic, 0);
+    const char *desc = magic_file(magic, filename);
+    snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library libmagic: " WHITE "MIME: %s, Description: %s" RESET,
+             mime, desc ? desc : "Unknown");
+    printf("%s\n", log_msg);
+    magic_close(magic);
+    return 0;
+}
--- a/module_05.c
+++ b/module_05.c
@@ -0,0 +1,75 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <iconv.h>
+
+#define BOLD_GRAY "\033[1;90m"
+#define RED "\033[0;31m"
+#define WHITE "\033[0;37m"
+#define RESET "\033[0m"
+
+// Размер буфера для чтения
+#define BUFFER_SIZE 4096
+
+int module_05_run(const char *filename) {
+    char log_msg[1024];
+
+    FILE *file = fopen(filename, "rb");
+    if (!file) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library iconv: " RED "File type not recognized: %s" RESET, strerror(errno));
+        printf("%s\n", log_msg);
+        return 1;
+    }
+
+    unsigned char *buffer = malloc(BUFFER_SIZE);
+    if (!buffer) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library iconv: " RED "Memory allocation failed" RESET);
+        printf("%s\n", log_msg);
+        fclose(file);
+        return 1;
+    }
+
+    size_t read_bytes = fread(buffer, 1, BUFFER_SIZE, file);
+    fclose(file);
+
+    if (read_bytes == 0) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library iconv: " RED "File type not recognized: Empty file" RESET);
+        printf("%s\n", log_msg);
+        free(buffer);
+        return 1;
+    }
+
+    iconv_t cd = iconv_open("UTF-8", "UTF-8");
+    if (cd == (iconv_t)-1) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library iconv: " RED "Error initializing iconv" RESET);
+        printf("%s\n", log_msg);
+        free(buffer);
+        return 1;
+    }
+
+    char *inbuf = (char *)buffer;
+    size_t inbytesleft = read_bytes;
+    char *outbuf = malloc(BUFFER_SIZE);
+    if (!outbuf) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library iconv: " RED "Memory allocation failed" RESET);
+        printf("%s\n", log_msg);
+        iconv_close(cd);
+        free(buffer);
+        return 1;
+    }
+    char *outptr = outbuf;
+    size_t outbytesleft = BUFFER_SIZE;
+
+    size_t result = iconv(cd, &inbuf, &inbytesleft, &outptr, &outbytesleft);
+    if (result == (size_t)-1) {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library iconv: " WHITE "Not UTF-8, possible binary or other encoding" RESET);
+    } else {
+        snprintf(log_msg, sizeof(log_msg), BOLD_GRAY " Library iconv: " WHITE "Compatible with UTF-8" RESET);
+    }
+    printf("%s\n", log_msg);
+    iconv_close(cd);
+    free(outbuf);
+    free(buffer);
+    return 0;
+}