Set GOPHERS and HTTPS in CGI, if TLS is used. - geomyidae - A small C-based gopherd.
HTML git clone git://bitreich.org/geomyidae/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/geomyidae/
DIR Log
DIR Files
DIR Refs
DIR Tags
DIR README
DIR LICENSE
---
DIR commit 89d4f0d0cf90543362a036133e88cb9fe21513d4
DIR parent 3600ffac963bc5816c86b8e447feea77a2b34751
HTML Author: Christoph Lohmann <20h@r-36.net>
Date: Fri, 12 Jun 2020 20:17:01 +0200
Set GOPHERS and HTTPS in CGI, if TLS is used.
Add infrastructure, so other handlers could handle it too.
Diffstat:
M geomyidae.8 | 1 +
M handlr.c | 16 +++++++++-------
M handlr.h | 11 ++++++-----
M ind.c | 12 +++++++++++-
M ind.h | 5 +++--
M main.c | 9 +++++----
6 files changed, 35 insertions(+), 19 deletions(-)
---
DIR diff --git a/geomyidae.8 b/geomyidae.8
@@ -372,6 +372,7 @@ Additionally to the above arguments several environment variables are set.
.Dl SERVER_PROTOCOL = `gopher/1.0'
.Dl SERVER_SOFTWARE = `geomyidae'
.Dl X_GOPHER_SEARCH = search (See above.)
+.Dl HTTPS and GOPHERS = set, if TLS is used
.Pp
.Ed
.
DIR diff --git a/handlr.c b/handlr.c
@@ -23,7 +23,7 @@
void
handledir(int sock, char *path, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost)
+ char *sear, char *ohost, char *chost, int istls)
{
char *pa, *file, *e, *par, *b;
struct dirent **dirent;
@@ -80,7 +80,7 @@ handledir(int sock, char *path, char *port, char *base, char *args,
void
handlegph(int sock, char *file, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost)
+ char *sear, char *ohost, char *chost, int istls)
{
Indexs *act;
int i, ret = 0;
@@ -103,7 +103,7 @@ handlegph(int sock, char *file, char *port, char *base, char *args,
void
handlebin(int sock, char *file, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost)
+ char *sear, char *ohost, char *chost, int istls)
{
int fd;
@@ -123,7 +123,7 @@ handlebin(int sock, char *file, char *port, char *base, char *args,
void
handlecgi(int sock, char *file, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost)
+ char *sear, char *ohost, char *chost, int istls)
{
char *p, *path;
@@ -158,7 +158,8 @@ handlecgi(int sock, char *file, char *port, char *base, char *args,
break;
}
- setcgienviron(p, file, port, base, args, sear, ohost, chost);
+ setcgienviron(p, file, port, base, args, sear, ohost, chost,
+ istls);
if (execl(file, p, sear, args, ohost, port,
(char *)NULL) == -1) {
@@ -177,7 +178,7 @@ handlecgi(int sock, char *file, char *port, char *base, char *args,
void
handledcgi(int sock, char *file, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost)
+ char *sear, char *ohost, char *chost, int istls)
{
FILE *fp;
char *p, *path, *ln = NULL;
@@ -218,7 +219,8 @@ handledcgi(int sock, char *file, char *port, char *base, char *args,
break;
}
- setcgienviron(p, file, port, base, args, sear, ohost, chost);
+ setcgienviron(p, file, port, base, args, sear, ohost, chost,
+ istls);
if (execl(file, p, sear, args, ohost, port,
(char *)NULL) == -1) {
DIR diff --git a/handlr.h b/handlr.h
@@ -17,17 +17,18 @@
* sear .... search part of request (»selector\tsearch\r\n«)
* ohost ... host of geomiydae (See -h in geomyidae(8))
* chost ... IP of the client sending a request
+ * istls ... set to 1, if TLS was used for thr request
*/
void handledir(int sock, char *path, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost);
+ char *sear, char *ohost, char *chost, int istls);
void handlegph(int sock, char *file, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost);
+ char *sear, char *ohost, char *chost, int istls);
void handlebin(int sock, char *file, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost);
+ char *sear, char *ohost, char *chost, int istls);
void handlecgi(int sock, char *file, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost);
+ char *sear, char *ohost, char *chost, int istls);
void handledcgi(int sock, char *file, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost);
+ char *sear, char *ohost, char *chost, int istls);
#endif
DIR diff --git a/ind.c b/ind.c
@@ -465,7 +465,7 @@ reverselookup(char *host)
void
setcgienviron(char *file, char *path, char *port, char *base, char *args,
- char *sear, char *ohost, char *chost)
+ char *sear, char *ohost, char *chost, int istls)
{
/*
* TODO: Clean environment from possible unsafe environment variables.
@@ -485,6 +485,7 @@ setcgienviron(char *file, char *path, char *port, char *base, char *args,
* the script. The RFC allows us to set the IP to the value.
*/
setenv("REMOTE_HOST", chost, 1);
+ /* Please do not implement identd here. */
unsetenv("REMOTE_IDENT");
unsetenv("REMOTE_USER");
/* Make PHP happy. */
@@ -501,5 +502,14 @@ setcgienviron(char *file, char *path, char *port, char *base, char *args,
setenv("SERVER_SOFTWARE", "geomyidae", 1);
setenv("X_GOPHER_SEARCH", sear, 1);
+
+ if (istls) {
+ setenv("GOPHERS", "on", 1);
+ setenv("HTTPS", "on", 1);
+ } else {
+ unsetenv("GOPHERS");
+ unsetenv("HTTPS");
+ }
+
}
DIR diff --git a/ind.h b/ind.h
@@ -27,7 +27,7 @@ struct filetype {
char *end;
char *type;
void (* f)(int, char *, char *, char *, char *, char *, char *,
- char *);
+ char *, int);
};
filetype *gettype(char *filename);
@@ -48,7 +48,8 @@ void freeelem(Elems *e);
char *smprintf(char *fmt, ...);
char *reverselookup(char *host);
void setcgienviron(char *file, char *path, char *port, char *base,
- char *args, char *sear, char *ohost, char *chost);
+ char *args, char *sear, char *ohost, char *chost,
+ int istls);
#endif
DIR diff --git a/main.c b/main.c
@@ -121,7 +121,8 @@ logentry(char *host, char *port, char *qry, char *status)
void
handlerequest(int sock, char *req, int rlen, char *base, char *ohost,
- char *port, char *clienth, char *clientp, int nocgi)
+ char *port, char *clienth, char *clientp, int nocgi,
+ int istls)
{
struct stat dir;
char recvc[1025], recvb[1025], path[1025], *args = NULL, *sear, *c;
@@ -247,12 +248,12 @@ handlerequest(int sock, char *req, int rlen, char *base, char *ohost,
logentry(clienth, clientp, recvc, "nocgi error");
} else {
type->f(sock, path, port, base, args, sear, ohost,
- clienth);
+ clienth, istls);
}
} else {
if (S_ISDIR(dir.st_mode)) {
handledir(sock, path, port, base, args, sear, ohost,
- clienth);
+ clienth, istls);
if (loglvl & DIRS) {
logentry(clienth, clientp, recvc,
"dir listing");
@@ -863,7 +864,7 @@ main(int argc, char *argv[])
handlerequest(sock, recvb, rlen, base,
ohost, sport, clienth,
- clientp, nocgi);
+ clientp, nocgi, istls);
if (!istls) {
waitforpendingbytes(sock);