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Update CRL functions and tools

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This commit is contained in:
Zhi Guan
2023-01-25 22:39:12 +08:00
parent c6ca4dd37b
commit c4c11ffe6b
21 changed files with 1854 additions and 527 deletions
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70
src/http.c
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@@ -1,5 +1,4 @@
/*
/*
* Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
@@ -65,7 +64,7 @@ static int socket_recv_all(int sock, uint8_t *buf, size_t len)
return 1;
}
int http_parse_response(uint8_t *buf, size_t buflen, uint8_t **content, size_t *contentlen, size_t *left)
int http_parse_response(char *buf, size_t buflen, uint8_t **content, size_t *contentlen, size_t *left)
{
char *ok = "HTTP/1.1 200 OK\r\n";
char *p;
@@ -75,14 +74,14 @@ int http_parse_response(uint8_t *buf, size_t buflen, uint8_t **content, size_t *
error_print();
return -1;
}
if (!(p = strnstr((char *)buf, "\r\n\r\n", buflen))) {
if (!(p = strnstr(buf, "\r\n\r\n", buflen))) {
error_print();
return -1;
}
*content = (uint8_t *)(p + 4);
headerlen = *content - buf;
headerlen = *content - (uint8_t *)buf;
if (!(p = strnstr((char *)buf, "\r\nContent-Length: ", headerlen))) {
if (!(p = strnstr(buf, "\r\nContent-Length: ", headerlen))) {
error_print();
return -1;
}
@@ -104,10 +103,9 @@ int http_parse_response(uint8_t *buf, size_t buflen, uint8_t **content, size_t *
#define HTTP_GET_TEMPLATE "GET %s HTTP/1.1\r\n" "Host: %s\r\n" "\r\n\r\n"
int http_get(const char *uri, uint8_t *buf, size_t buflen,
uint8_t **content, size_t *contentlen)
int http_get(const char *uri, uint8_t *buf, size_t *contentlen, size_t buflen)
{
char *uribuf = NULL;
int ret = -1;
char host[128];
int port;
char path[256];
@@ -116,16 +114,22 @@ int http_get(const char *uri, uint8_t *buf, size_t buflen,
tls_socket_t sock;
char get[sizeof(HTTP_GET_TEMPLATE) + sizeof(host) + sizeof(path)];
int getlen;
char response[512];
uint8_t *p;
size_t len;
size_t left;
// parse uri
// parse uri and compose request
if (http_parse_uri(uri, host, &port, path) != 1) {
error_print();
return -1;
}
if ((getlen = snprintf(get, sizeof(get), HTTP_GET_TEMPLATE, path, host)) <= 0) {
error_print();
return -1;
}
// connect
// connect and send request
if (!(hp = gethostbyname(host))) {
error_print();
return -1;
@@ -140,42 +144,36 @@ int http_get(const char *uri, uint8_t *buf, size_t buflen,
}
if (connect(sock, (struct sockaddr *)&server , sizeof(server)) < 0) {
error_print();
return -1;
}
// request
if ((getlen = snprintf(get, sizeof(get),
"GET %s HTTP/1.1\r\n"
"Host: %s\r\n"
"\r\n\r\n", path, host)) <= 0) {
error_print();
return -1;
goto end;
}
if (send(sock, get, strlen(get), 0) != getlen) {
error_print();
return -1;
goto end;
}
if ((len = recv(sock, response, sizeof(response), 0)) <= 0) {
error_print();
goto end;
}
// response
if ((len = recv(sock, buf, buflen, 0)) <= 0) {
// process response header and retrieve left
if (http_parse_response(response, len, &p, contentlen, &left) != 1) {
error_print();
return -1;
goto end;
}
if (http_parse_response(buf, len, content, contentlen, &left) != 1) {
error_print();
return -1;
if (!buf || buflen < *contentlen) {
ret = 0;
goto end;
}
memcpy(buf, p, *contentlen - left);
if (left) {
if (len + left > buflen) {
error_print(); // buf is not enough
return -1;
}
if (socket_recv_all(sock, buf + len, left) != 1) {
if (socket_recv_all(sock, buf + *contentlen - left, left) != 1) {
error_print();
return -1;
goto end;
}
}
ret = 1;
return 1;
end:
close(sock);
return ret;
}