| #include <u.h> |
| #include <libc.h> |
| #include <bin.h> |
| #include <httpd.h> |
| |
| typedef struct Error Error; |
| |
| struct Error |
| { |
| char *num; |
| char *concise; |
| char *verbose; |
| }; |
| |
| Error errormsg[] = |
| { |
| /* HInternal */ {"500 Internal Error", "Internal Error", |
| "This server could not process your request due to an internal error."}, |
| /* HTempFail */ {"500 Internal Error", "Temporary Failure", |
| "The object %s is currently inaccessible.<p>Please try again later."}, |
| /* HUnimp */ {"501 Not implemented", "Command not implemented", |
| "This server does not implement the %s command."}, |
| /* HBadReq */ {"400 Bad Request", "Strange Request", |
| "Your client sent a query that this server could not understand."}, |
| /* HBadSearch */ {"400 Bad Request", "Inapplicable Search", |
| "Your client sent a search that cannot be applied to %s."}, |
| /* HNotFound */ {"404 Not Found", "Object not found", |
| "The object %s does not exist on this server."}, |
| /* HUnauth */ {"403 Forbidden", "Forbidden", |
| "You are not allowed to see the object %s."}, |
| /* HSyntax */ {"400 Bad Request", "Garbled Syntax", |
| "Your client sent a query with incoherent syntax."}, |
| /* HNoSearch */ {"403 Forbidden", "Search not supported", |
| "The object %s does not support the search command."}, |
| /* HNoData */ {"403 Forbidden", "No data supplied", |
| "Search or forms data must be supplied to %s."}, |
| /* HExpectFail */ {"403 Expectation Failed", "Expectation Failed", |
| "This server does not support some of your request's expectations."}, |
| /* HUnkVers */ {"501 Not Implemented", "Unknown http version", |
| "This server does not know how to respond to http version %s."}, |
| /* HBadCont */ {"501 Not Implemented", "Impossible format", |
| "This server cannot produce %s in any of the formats your client accepts."}, |
| /* HOK */ {"200 OK", "everything is fine"}, |
| }; |
| |
| /* |
| * write a failure message to the net and exit |
| */ |
| int |
| hfail(HConnect *c, int reason, ...) |
| { |
| Hio *hout; |
| char makeup[HBufSize]; |
| va_list arg; |
| int n; |
| |
| hout = &c->hout; |
| va_start(arg, reason); |
| vseprint(makeup, makeup+HBufSize, errormsg[reason].verbose, arg); |
| va_end(arg); |
| n = snprint(c->xferbuf, HBufSize, "<head><title>%s</title></head>\n<body><h1>%s</h1>\n%s</body>\n", |
| errormsg[reason].concise, errormsg[reason].concise, makeup); |
| |
| hprint(hout, "%s %s\r\n", hversion, errormsg[reason].num); |
| hprint(hout, "Date: %D\r\n", time(nil)); |
| hprint(hout, "Server: Plan9\r\n"); |
| hprint(hout, "Content-Type: text/html\r\n"); |
| hprint(hout, "Content-Length: %d\r\n", n); |
| if(c->head.closeit) |
| hprint(hout, "Connection: close\r\n"); |
| else if(!http11(c)) |
| hprint(hout, "Connection: Keep-Alive\r\n"); |
| hprint(hout, "\r\n"); |
| |
| if(c->req.meth == nil || strcmp(c->req.meth, "HEAD") != 0) |
| hwrite(hout, c->xferbuf, n); |
| |
| if(c->replog) |
| c->replog(c, "Reply: %s\nReason: %s\n", errormsg[reason].num, errormsg[reason].concise); |
| return hflush(hout); |
| } |
