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| author | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
|---|---|---|
| committer | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
| commit | e5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch) | |
| tree | d8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/libhttpd/fail.c | |
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/libhttpd/fail.c')
| -rwxr-xr-x | sys/src/libhttpd/fail.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/sys/src/libhttpd/fail.c b/sys/src/libhttpd/fail.c new file mode 100755 index 000000000..c6e583040 --- /dev/null +++ b/sys/src/libhttpd/fail.c @@ -0,0 +1,93 @@ +#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."}, + [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."}, + [HBadReq] {"400 Bad Request", "Strange Request", + "Your client sent a query that this server could not understand."}, + [HSyntax] {"400 Bad Request", "Garbled Syntax", + "Your client sent a query with incoherent syntax."}, + [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."}, + [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."}, + [HUnauth] {"403 Forbidden", "Forbidden", + "You are not allowed to see the object %s."}, + [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], err[ERRMAX]; + va_list arg; + int n; + + rerrstr(err, sizeof err); + hout = &c->hout; + va_start(arg, reason); + vseprint(makeup, makeup+HBufSize, errormsg[reason].verbose, arg); + va_end(arg); + /* + * this additional information has proved useful when debugging + * complex http configuration problems. + */ + n = snprint(c->xferbuf, HBufSize, "<head><title>%s</title></head>\n" + "<body><h1>%s</h1>\n%s<p>\n" + "errstr: %s<br>\n" + "uri host: %s<br>\n" + "header host: %s<br>\nactual host: %s\n</body>\n", + errormsg[reason].concise, errormsg[reason].concise, makeup, + err, + (c->req.urihost? c->req.urihost: ""), + c->head.host, hmydomain); + + 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); +} |