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-rw-r--r--src/http/modules/ngx_http_grpc_module.c2
-rw-r--r--src/http/ngx_http_parse.c4
-rw-r--r--src/http/v2/ngx_http_v2.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/src/http/modules/ngx_http_grpc_module.c b/src/http/modules/ngx_http_grpc_module.c
index 654bd17b9..65bd1e6c3 100644
--- a/src/http/modules/ngx_http_grpc_module.c
+++ b/src/http/modules/ngx_http_grpc_module.c
@@ -3384,7 +3384,7 @@ ngx_http_grpc_validate_header_name(ngx_http_request_t *r, ngx_str_t *s)
return NGX_ERROR;
}
- if (ch == '\0' || ch == CR || ch == LF) {
+ if (ch <= 0x20 || ch == 0x7f) {
return NGX_ERROR;
}
}
diff --git a/src/http/ngx_http_parse.c b/src/http/ngx_http_parse.c
index 0d36a44e5..6af326dee 100644
--- a/src/http/ngx_http_parse.c
+++ b/src/http/ngx_http_parse.c
@@ -893,7 +893,7 @@ ngx_http_parse_header_line(ngx_http_request_t *r, ngx_buf_t *b,
break;
}
- if (ch == '\0') {
+ if (ch <= 0x20 || ch == 0x7f || ch == ':') {
return NGX_HTTP_PARSE_INVALID_HEADER;
}
@@ -961,7 +961,7 @@ ngx_http_parse_header_line(ngx_http_request_t *r, ngx_buf_t *b,
break;
}
- if (ch == '\0') {
+ if (ch <= 0x20 || ch == 0x7f) {
return NGX_HTTP_PARSE_INVALID_HEADER;
}
diff --git a/src/http/v2/ngx_http_v2.c b/src/http/v2/ngx_http_v2.c
index 423667d47..3bef002bd 100644
--- a/src/http/v2/ngx_http_v2.c
+++ b/src/http/v2/ngx_http_v2.c
@@ -3457,7 +3457,7 @@ ngx_http_v2_validate_header(ngx_http_request_t *r, ngx_http_v2_header_t *header)
continue;
}
- if (ch == '\0' || ch == LF || ch == CR || ch == ':'
+ if (ch <= 0x20 || ch == 0x7f || ch == ':'
|| (ch >= 'A' && ch <= 'Z'))
{
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,