luboslenco
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#include <iron_net.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <netdb.h>
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#include <sys/socket.h>
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#include <openssl/ssl.h>
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static SSL_CTX *ctx = NULL;
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static char *buf = NULL;
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static int buf_len = 1024 * 1024;
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void iron_https_request(const char *url_base, const char *url_path, const char *data, int port, int method,
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iron_http_callback_t callback, void *callbackdata) {
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int sock_fd = socket(AF_INET, SOCK_STREAM, 0);
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struct hostent *server = gethostbyname(url_base);
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struct sockaddr_in server_addr = {0};
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server_addr.sin_family = AF_INET;
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memmove(&server_addr.sin_addr.s_addr, server->h_addr_list[0], server->h_length);
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server_addr.sin_port = htons(port);
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if (connect(sock_fd, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
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close(sock_fd);
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callback(NULL, callbackdata);
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return;
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}
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if (ctx == NULL) {
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ctx = SSL_CTX_new(TLS_client_method());
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}
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SSL *ssl = SSL_new(ctx);
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SSL_set_fd(ssl, sock_fd);
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if (SSL_connect(ssl) <= 0) {
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SSL_free(ssl);
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close(sock_fd);
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callback(NULL, callbackdata);
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return;
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}
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// For HTTP/1.1, implement "transfer-encoding: chunked"
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char request[1024];
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int request_len = snprintf(request, sizeof(request), "GET /%s HTTP/1.0\r\nHost: %s:%d\r\nConnection: close\r\n\r\n", url_path, url_base, port);
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SSL_write(ssl, request, request_len);
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// Read
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if (buf == NULL) {
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buf = malloc(buf_len);
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}
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int pos = 0;
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int n;
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while ((n = SSL_read(ssl, buf + pos, buf_len - pos - 1)) > 0) {
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pos += n;
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if (pos == buf_len - 1) {
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buf_len *= 2;
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buf = realloc(buf, buf_len);
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}
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}
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buf[pos] = '\0';
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// Parse
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const char *body_ptr = "";
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char *headers_end = strstr(buf, "\r\n\r\n");
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body_ptr = headers_end + 4;
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callback(body_ptr, callbackdata);
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SSL_free(ssl);
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close(sock_fd);
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}
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