c8-stream-2.4
imports/c8-stream-2.4/httpd-2.4.37-56.module+el8.8.0+19808+379766d6.7
MSVSphere Packaging Team
1 year ago
parent
80184f1f97
commit
afeacf7685
@ -0,0 +1,89 @@
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diff --git a/modules/proxy/mod_proxy_uwsgi.c b/modules/proxy/mod_proxy_uwsgi.c
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index 9dcbed1..a1b564d 100644
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--- a/modules/proxy/mod_proxy_uwsgi.c
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+++ b/modules/proxy/mod_proxy_uwsgi.c
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@@ -304,18 +304,16 @@ static int uwsgi_response(request_rec *r, proxy_conn_rec * backend,
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pass_bb = apr_brigade_create(r->pool, c->bucket_alloc);
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len = ap_getline(buffer, sizeof(buffer), rp, 1);
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-
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if (len <= 0) {
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- /* oops */
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+ /* invalid or empty */
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return HTTP_INTERNAL_SERVER_ERROR;
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}
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-
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backend->worker->s->read += len;
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-
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- if (len >= sizeof(buffer) - 1) {
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- /* oops */
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+ if ((apr_size_t)len >= sizeof(buffer)) {
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+ /* too long */
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return HTTP_INTERNAL_SERVER_ERROR;
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}
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+
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/* Position of http status code */
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if (apr_date_checkmask(buffer, "HTTP/#.# ###*")) {
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status_start = 9;
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@@ -324,8 +322,8 @@ static int uwsgi_response(request_rec *r, proxy_conn_rec * backend,
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status_start = 7;
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}
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else {
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- /* oops */
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- return HTTP_INTERNAL_SERVER_ERROR;
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+ /* not HTTP */
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+ return HTTP_BAD_GATEWAY;
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}
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status_end = status_start + 3;
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@@ -345,21 +343,44 @@ static int uwsgi_response(request_rec *r, proxy_conn_rec * backend,
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}
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r->status_line = apr_pstrdup(r->pool, &buffer[status_start]);
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- /* start parsing headers */
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+ /* parse headers */
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while ((len = ap_getline(buffer, sizeof(buffer), rp, 1)) > 0) {
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+ if ((apr_size_t)len >= sizeof(buffer)) {
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+ /* too long */
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+ len = -1;
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+ break;
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+ }
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value = strchr(buffer, ':');
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- /* invalid header skip */
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- if (!value)
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- continue;
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- *value = '\0';
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- ++value;
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+ if (!value) {
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+ /* invalid header */
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+ len = -1;
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+ break;
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+ }
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+ *value++ = '\0';
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+ if (*ap_scan_http_token(buffer)) {
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+ /* invalid name */
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+ len = -1;
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+ break;
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+ }
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while (apr_isspace(*value))
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++value;
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for (end = &value[strlen(value) - 1];
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end > value && apr_isspace(*end); --end)
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*end = '\0';
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+ if (*ap_scan_http_field_content(value)) {
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+ /* invalid value */
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+ len = -1;
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+ break;
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+ }
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apr_table_add(r->headers_out, buffer, value);
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}
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+ if (len < 0) {
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+ /* Reset headers, but not to NULL because things below the chain expect
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+ * this to be non NULL e.g. the ap_content_length_filter.
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+ */
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+ r->headers_out = apr_table_make(r->pool, 1);
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+ return HTTP_BAD_GATEWAY;
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+ }
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if ((buf = apr_table_get(r->headers_out, "Content-Type"))) {
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ap_set_content_type(r, apr_pstrdup(r->pool, buf));
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