+/*
+ ashd - A Sane HTTP Daemon
+ Copyright (C) 2008 Fredrik Tolf <fredrik@dolda2000.com>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <utils.h>
+#include <resp.h>
+
+char *htmlquote(char *text)
+{
+ struct charbuf buf;
+
+ bufinit(buf);
+ for(; *text; text++) {
+ if(*text == '<')
+ bufcatstr(buf, "<");
+ else if(*text == '>')
+ bufcatstr(buf, ">");
+ else if(*text == '&')
+ bufcatstr(buf, "&");
+ else
+ bufadd(buf, *text);
+ }
+ bufadd(buf, 0);
+ return(buf.b);
+}
+
+void simpleerror(int fd, int code, char *msg, char *fmt, ...)
+{
+ struct charbuf buf;
+ char *tmp1, *tmp2;
+ va_list args;
+ FILE *out;
+
+ va_start(args, fmt);
+ tmp1 = vsprintf2(fmt, args);
+ va_end(args);
+ tmp2 = htmlquote(tmp1);
+ free(tmp1);
+ bufinit(buf);
+ bufcatstr(buf, "<?xml version=\"1.0\" encoding=\"US-ASCII\"?>\r\n");
+ bufcatstr(buf, "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\r\n");
+ bufcatstr(buf, "<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en-US\" xml:lang=\"en-US\">\r\n");
+ bufcatstr(buf, "<head>\r\n");
+ bprintf(&buf, "<title>%s</title>\r\n", msg);
+ bufcatstr(buf, "</head>\r\n");
+ bufcatstr(buf, "<body>\r\n");
+ bprintf(&buf, "<h1>%s</h1>\r\n", msg);
+ bprintf(&buf, "<p>%s</p>\r\n", tmp2);
+ bufcatstr(buf, "</body>\r\n");
+ bufcatstr(buf, "</html>\r\n");
+ free(tmp2);
+ out = fdopen(fd, "w");
+ fprintf(out, "HTTP/1.1 %i %s\r\n", code, msg);
+ fprintf(out, "Content-Type: text/html\r\n");
+ fprintf(out, "Content-Length: %i\r\n", buf.d);
+ fprintf(out, "\r\n");
+ fwrite(buf.b, 1, buf.d, out);
+ fclose(out);
+ buffree(buf);
+}