Hello,
I've started writing a client for Gemini protocol, but since I've never
been writing networking programs, I find myself at the dead end at the
moment. Please could someone help me? When I send a request and get a
response, the only thing I have in response is "gemini://" and nothing
else. The code is given below:
#include <arpa/inet.h>
#include <locale.h>
#include <netdb.h>
#include <netinet/in.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#define STATUS_CODE_INPUT 10
#define STATUS_CODE_SENSITIVE_INPUT 11
#define STATUS_CODE_SUCCESS 20
#define STATUS_CODE_REDIRECT_TEMP 30
#define STATUS_CODE_REDIRECT_PERM 31
#define STATUS_CODE_TEMP_FAILURE 40
#define STATUS_CODE_SERVER_UNAVAILABLE 41
#define STATUS_CODE_CGI_ERROR 42
#define STATUS_CODE_PROXY_ERROR 43
#define STATUS_CODE_SLOW_DOWN 44
#define STATUS_CODE_PERM_FAILURE 50
#define STATUS_CODE_NOT_FOUND 51
#define STATUS_CODE_GONE 52
#define STATUS_CODE_PROXY_REQUEST_REFUSED 53
#define STATUS_CODE_BAD_REQUEST 59
#define STATUS_CODE_CLIENT_CERT_REQUIRED 60
#define STATUS_CODE_CERT_NO_AUTH 61
#define STATUS_CODE_CERT_NOT_VALID 62
#define GEMINI_PORT 1965
int main() {
char *locale;
locale = setlocale(LC_ALL, "");
int sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0) {
perror("socket");
exit(1);
}
char *url = malloc(sizeof(char)*1024);
strcpy(url, "gemini://gemini.circumlunar.space/\r\n");
char rec_buf[1029] = {0};
struct hostent *host_entry;
host_entry = gethostbyname(url);
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(GEMINI_PORT);
addr.sin_addr.s_addr = htonl(INADDR_ANY);
int opt = 1;
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) {
perror("setsockopt");
exit(1);
}
if (bind(sockfd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
perror("bind");
exit(2);
}
if (connect(sockfd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
perror("connect");
exit(3);
}
send(sockfd, url, sizeof(url), 0);
recv(sockfd, rec_buf, sizeof(rec_buf), 0);
printf("%s\n", rec_buf);
close(sockfd);
shutdown(sockfd, SHUT_RDWR);
free(url);
return 0;
}
--
- <anridellal at yandex.ru>
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