90 lines
2 KiB
C
90 lines
2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <unistd.h>
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#include "config.h"
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int main(int argc, char **argv)
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{
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if (argc < 2) {
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fprintf(stderr, "Usage: %s <file_path>\n", argv[0]);
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exit(EXIT_FAILURE);
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}
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FILE *file = fopen(argv[1], "rb");
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if (!file) {
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perror("fopen");
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exit(EXIT_FAILURE);
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}
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/* Determine file size */
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fseek(file, 0, SEEK_END);
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long file_size = ftell(file);
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rewind(file);
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char *buffer = malloc(file_size);
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if (!buffer) {
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perror("malloc");
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fclose(file);
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exit(EXIT_FAILURE);
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}
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size_t bytes_read = fread(buffer, 1, file_size, file);
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if (bytes_read != file_size) {
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perror("fread");
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free(buffer);
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fclose(file);
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exit(EXIT_FAILURE);
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}
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fclose(file);
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struct sockaddr_in addr;
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char response[512];
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/* Resolve domain to IP */
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struct hostent *server = gethostbyname(domain);
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if (server == NULL) {
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fprintf(stderr, "No such host %s", domain);
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}
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int sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd < 0) {
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perror("socket");
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exit(EXIT_FAILURE);
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}
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memset(&addr, 0, sizeof(addr));
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addr.sin_family = AF_INET;
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addr.sin_port = htons(port);
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memcpy(&addr.sin_addr.s_addr, server->h_addr, server->h_length);
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if (connect(sockfd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
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perror("connect");
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close(sockfd);
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exit(EXIT_FAILURE);
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}
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if (send(sockfd, buffer, file_size, 0) < 0) {
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perror("send");
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free(buffer);
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close(sockfd);
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exit(EXIT_FAILURE);
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}
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free(buffer);
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memset(response, 0, sizeof(response));
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ssize_t bytes_received = recv(sockfd, response, sizeof(response) - 1, 0);
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if (bytes_received < 0) {
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perror("recv");
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close(sockfd);
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exit(EXIT_FAILURE);
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}
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printf("%s", response);
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close(sockfd);
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return 0;
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}
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