[gopher] Capability files are dangerous

[Damien Carol]

Still safe, GOGOPH Server is not in the list... XD

2012/5/14 Kim Holviala <kim at holviala.com>

> On May 14, 2012, at 19:27 , Kim Holviala wrote:
>
> > And related to the above; I can determine with 100% reliability all of
> the existing gopher servers. Got code too to prove it.
>
> Still one more before I go see teh ladies.
>
> /*
>  * Figure out gopher server software
>  */
> char *get_gopherd(char *host, int port)
> {
>        static char result[128];
>        char page[BUFSIZE];
>        char *c;
>
>        /* Try fingerprinting hURL reply */
>        if (tcp_request(host, port, "URL:http://www.google.com/" CRLF,
>                        page, sizeof(page)) == ERROR)           return NA;
>
>        if (strstr(page, "pygopherd"))                          return
> "PyGopherd";
>        if (strstr(page, "bucktooth"))                          return
> "Bucktooth";
>        if (strstr(page, "Gophernicus"))                        return
> "Gophernicus";
>        if (strstr(page, "GopherBlock"))                        return
> "GopherBlock";
>        if (strstr(page, "You'll be redirected"))               return
> "mgod";
>        if (strstr(page, "This page is for redirecting you"))   return
> "Geomyidae";
>        if (strstr(page, "It appears that you clicked on a"))   return
> "Grumpy";
>        if (strstr(page, "refresh\" content=\"0;URL=") &&
>            !strstr(page, "</HTML>"))                           return
> "Gophserv";
>
>        if (sstrncmp(page, "3Server error: Sorry, access denied") == MATCH
> &&
>            strstr(page, "\terror.host"))                       return "GN";
>
>        /* Synchronet? */
>        if (page[0] == '.') {
>                if (tcp_request(host, port, "ver" CRLF,
>                                page, sizeof(page)) == ERROR)   return NA;
>                if (strstr(page, "Synchronet"))                 return
> "Synchronet";
>        }
>
>        /* VenVen */
>        if (page[0] == '\0') {
>                if (tcp_request(host, port, CRLF,
>                                page, sizeof(page)) == ERROR)   return NA;
>                if (strstr(page, "0./") || strstr(page, "1./")) return
> "VenVen";
>        }
>
>        /* Do one more detection test */
>        if (tcp_request(host, port, "lkjsdflkjsadlflksjdflkjasdfklj" CRLF,
>                        page, sizeof(page)) == ERROR)           return NA;
>
>        if (strstr(page, "no handler found"))                   return
> "PyGopherd";
>        if (strstr(page, "[pselect]"))                          return "GN";
>        if (strstr(page, "<html") || strstr(page, "<HTML"))     return
> "g2httpd";
>
>        /* Try /server-status */
>        if (tcp_request(host, port, "/server-status" CRLF,
>                        page, sizeof(page)) == ERROR)           return NA;
>
>        if ((c = strstr(page, "Server: "))) {
>                sstrlcpy(result, c + 8);
>                if ((c = strchr(result, '/'))) *c = '\0';
>                if ((c = strchr(result, '('))) *c = '\0';
>                return result;
>        }
>
>        /* Damn */
>        return "Unknown";
> }
>
>
>
> _______________________________________________
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> Gopher-Project at lists.alioth.debian.org
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>



-- 
Damien CAROL
gopher://dams.zapto.org/1/
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