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Latest update (add quic)

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Hakase
2020-07-12 19:52:18 +09:00
parent 3a6d64bb68
commit e85ee33eee
501 changed files with 19166 additions and 10232 deletions
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apps/lib/http_server.c
+77 -24
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@@ -255,17 +255,19 @@ static int urldecode(char *p)
}
int http_server_get_asn1_req(const ASN1_ITEM *it, ASN1_VALUE **preq,
BIO **pcbio, BIO *acbio,
char **ppath, BIO **pcbio, BIO *acbio,
const char *prog, int accept_get, int timeout)
{
BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
int len;
char reqbuf[2048], inbuf[2048];
char *url, *end;
char *meth, *url, *end;
ASN1_VALUE *req;
int ret = 1;
*preq = NULL;
if (ppath != NULL)
*ppath = NULL;
*pcbio = NULL;
/* Connection loss before accept() is routine, ignore silently */
@@ -275,6 +277,7 @@ int http_server_get_asn1_req(const ASN1_ITEM *it, ASN1_VALUE **preq,
cbio = BIO_pop(acbio);
*pcbio = cbio;
if (cbio == NULL) {
/* Cannot call http_server_send_status(cbio, ...) */
ret = -1;
goto out;
}
@@ -288,16 +291,26 @@ int http_server_get_asn1_req(const ASN1_ITEM *it, ASN1_VALUE **preq,
/* Read the request line. */
len = BIO_gets(cbio, reqbuf, sizeof(reqbuf));
if (len <= 0)
if (len <= 0) {
log_message(prog, LOG_INFO,
"Request line read error or empty request");
(void)http_server_send_status(cbio, 400, "Bad Request");
goto out;
}
if (accept_get && strncmp(reqbuf, "GET ", 4) == 0) {
/* Expecting GET {sp} /URL {sp} HTTP/1.x */
for (url = reqbuf + 4; *url == ' '; ++url)
continue;
meth = reqbuf;
url = meth + 3;
if ((accept_get && strncmp(meth, "GET ", 4) == 0)
|| (url++, strncmp(meth, "POST ", 5) == 0)) {
/* Expecting (GET|POST) {sp} /URL {sp} HTTP/1.x */
*(url++) = '\0';
while (*url == ' ')
url++;
if (*url != '/') {
log_message(prog, LOG_INFO,
"Invalid GET -- URL does not begin with '/': %s", url);
"Invalid %s -- URL does not begin with '/': %s",
meth, url);
(void)http_server_send_status(cbio, 400, "Bad Request");
goto out;
}
url++;
@@ -308,7 +321,9 @@ int http_server_get_asn1_req(const ASN1_ITEM *it, ASN1_VALUE **preq,
break;
if (strncmp(end, " HTTP/1.", 7) != 0) {
log_message(prog, LOG_INFO,
"Invalid GET -- bad HTTP/version string: %s", end + 1);
"Invalid %s -- bad HTTP/version string: %s",
meth, end + 1);
(void)http_server_send_status(cbio, 400, "Bad Request");
goto out;
}
*end = '\0';
@@ -318,39 +333,52 @@ int http_server_get_asn1_req(const ASN1_ITEM *it, ASN1_VALUE **preq,
* 'url' was incremented above to point to the first byte *after*
* the leading slash, so in case 'GET / ' it is now an empty string.
*/
if (url[0] == '\0')
if (strlen(meth) == 3 && url[0] == '\0') {
(void)http_server_send_status(cbio, 200, "OK");
goto out;
}
len = urldecode(url);
if (len <= 0) {
if (len < 0) {
log_message(prog, LOG_INFO,
"Invalid GET request -- bad URL encoding: %s", url);
"Invalid %s request -- bad URL encoding: %s",
meth, url);
(void)http_server_send_status(cbio, 400, "Bad Request");
goto out;
}
if ((getbio = BIO_new_mem_buf(url, len)) == NULL
|| (b64 = BIO_new(BIO_f_base64())) == NULL) {
log_message(prog, LOG_ERR,
"Could not allocate base64 bio with size = %d", len);
BIO_free_all(cbio);
*pcbio = NULL;
ret = -1;
goto out;
if (strlen(meth) == 3) { /* GET */
if ((getbio = BIO_new_mem_buf(url, len)) == NULL
|| (b64 = BIO_new(BIO_f_base64())) == NULL) {
log_message(prog, LOG_ERR,
"Could not allocate base64 bio with size = %d",
len);
goto fatal;
}
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
getbio = BIO_push(b64, getbio);
}
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
getbio = BIO_push(b64, getbio);
} else if (strncmp(reqbuf, "POST ", 5) != 0) {
} else {
log_message(prog, LOG_INFO,
"HTTP request does not start with GET/POST: %s", reqbuf);
/* TODO provide better diagnosis in case client tries TLS */
(void)http_server_send_status(cbio, 400, "Bad Request");
goto out;
}
/* chop any further/duplicate leading or trailing '/' */
while (*url == '/')
url++;
while (end >= url + 2 && end[-2] == '/' && end[-1] == '/')
end--;
*end = '\0';
/* Read and skip past the headers. */
for (;;) {
len = BIO_gets(cbio, inbuf, sizeof(inbuf));
if (len <= 0) {
log_message(prog, LOG_ERR,
"Error skipping remaining HTTP headers");
(void)http_server_send_status(cbio, 400, "Bad Request");
goto out;
}
if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
@@ -365,8 +393,14 @@ int http_server_get_asn1_req(const ASN1_ITEM *it, ASN1_VALUE **preq,
/* Try to read and parse request */
req = ASN1_item_d2i_bio(it, getbio != NULL ? getbio : cbio, NULL);
if (req == NULL)
if (req == NULL) {
log_message(prog, LOG_ERR, "Error parsing request");
} else if (ppath != NULL && (*ppath = OPENSSL_strdup(url)) == NULL) {
log_message(prog, LOG_ERR,
"Out of memory allocating %d bytes", strlen(url) + 1);
ASN1_item_free(req, it);
goto fatal;
}
*preq = req;
@@ -378,6 +412,17 @@ int http_server_get_asn1_req(const ASN1_ITEM *it, ASN1_VALUE **preq,
acfd = (int)INVALID_SOCKET;
# endif
return ret;
fatal:
(void)http_server_send_status(cbio, 500, "Internal Server Error");
if (ppath != NULL) {
OPENSSL_free(*ppath);
*ppath = NULL;
}
BIO_free_all(cbio);
*pcbio = NULL;
ret = -1;
goto out;
}
/* assumes that cbio does not do an encoding that changes the output length */
@@ -392,4 +437,12 @@ int http_server_send_asn1_resp(BIO *cbio, const char *content_type,
(void)BIO_flush(cbio);
return ret;
}
int http_server_send_status(BIO *cbio, int status, const char *reason)
{
int ret = BIO_printf(cbio, "HTTP/1.0 %d %s\r\n\r\n", status, reason) > 0;
(void)BIO_flush(cbio);
return ret;
}
#endif