diff options
Diffstat (limited to 'httpd/server_fcgi.c')
| -rw-r--r-- | httpd/server_fcgi.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/httpd/server_fcgi.c b/httpd/server_fcgi.c index 33603a0..d0a8800 100644 --- a/httpd/server_fcgi.c +++ b/httpd/server_fcgi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: server_fcgi.c,v 1.52 2015/02/23 19:22:43 chrisz Exp $ */ +/* $OpenBSD: server_fcgi.c,v 1.53 2015/03/26 09:01:51 florian Exp $ */ /* * Copyright (c) 2014 Florian Obser <florian@openbsd.org> @@ -652,10 +652,21 @@ server_fcgi_writeheader(struct client *clt, struct kv *hdr, void *arg) return (-1); } + /* + * RFC 7230 defines a header field-name as a "token" and a "token" + * is defined as one or more characters for which isalpha or + * isdigit is true plus a list of additional characters. + * According to RFC 3875 a CGI environment variable is created + * by converting all letters to upper case and replacing '-' + * with '_'. + */ for (p = name; *p != '\0'; p++) { if (isalpha((unsigned char)*p)) *p = toupper((unsigned char)*p); - else + else if (!(*p == '!' || *p == '#' || *p == '$' || *p == '%' || + *p == '&' || *p == '\'' || *p == '*' || *p == '+' || + *p == '.' || *p == '^' || *p == '_' || *p == '`' || + *p == '|' || *p == '~' || isdigit((unsigned char)*p))) *p = '_'; } |