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Process FastCGI header fields

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This commit is contained in:
Lorenz Stechauner
2020-12-28 13:18:38 +01:00
parent 156c7d6621
commit 7cb4f40d22
4 changed files with 129 additions and 38 deletions
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33
src/client.c
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@ -87,9 +87,11 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
} else if (ret == 2) {
sprintf(err_msg, "Unable to parse header: Invalid method.");
} else if (ret == 3) {
sprintf(err_msg, "Unable to parse header: Invalid version");
sprintf(err_msg, "Unable to parse header: Invalid version.");
} else if (ret == 4) {
sprintf(err_msg, "Unable to parse header: Header contains illegal characters");
sprintf(err_msg, "Unable to parse header: Header contains illegal characters.");
} else if (ret == 5) {
sprintf(err_msg, "Unable to parse header: End of header not found.");
}
res.status = http_get_status(400);
goto respond;
@ -235,6 +237,8 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
if (ret != 0) {
if (ret < 0) {
goto abort;
} else {
sprintf(err_msg, "Unable to communicate with PHP-FPM.");
}
res.status = http_get_status(502);
goto respond;
@ -243,15 +247,32 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
fastcgi_end:
fastcgi_close_stdin(&php_fpm);
ret = fastcgi_header(&php_fpm, &res, err_msg);
if (ret != 0) {
if (ret < 0) {
goto abort;
} else {
sprintf(err_msg, "Unable to communicate with PHP-FPM.");
}
res.status = http_get_status(502);
goto respond;
}
char *status = http_get_header_field(&res.hdr, "Status");
if (status != NULL) {
res.status = http_get_status(strtoul(status, NULL, 10));
http_remove_header_field(&res.hdr, "Status", HTTP_REMOVE_ALL);
if (res.status == NULL){
res.status = http_get_status(500);
sprintf(err_msg, "The status code was set to an invalid or unknown value.");
goto respond;
}
}
char *accept_encoding = http_get_header_field(&req.hdr, "Accept-Encoding");
if (accept_encoding != NULL && strstr(accept_encoding, "deflate") != NULL) {
http_add_header_field(&res.hdr, "Content-Encoding", "deflate");
}
if (fastcgi_header(&php_fpm, &res, err_msg) != 0) {
goto respond;
}
content_length = -1;
use_fastcgi = 1;
if (http_get_header_field(&res.hdr, "Content-Length") == NULL) {