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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <sys/sysinfo.h>
#include <sys/types.h>
#include <stdint.h>
#include <dirent.h>
#include <sys/stat.h> /* chmod(2) */
#include <sys/file.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <limits.h>
#include <string.h> /* strdup(3) */
#include <libgen.h> /* basename(3) */
#include <ctype.h> /* tolower(3) */
#include <errno.h>
#include <time.h>
#include <sys/time.h>
#include <pwd.h>
#include <grp.h>
#include <stdarg.h>
#include <unistd.h>
#include <defs.h>
#include <fatal.h>
#include <http.h>
void fatal( const char *fmt, ... )
{
va_list arg_ptr;
char buf[HTTP_ERRMSG_SIZE];
char msg[HTTP_ERRMSG_SIZE];
char *format = "%s: %s\n";
va_start( arg_ptr, fmt );
vsnprintf( msg, HTTP_ERRMSG_SIZE, (const void *)fmt, arg_ptr );
va_end( arg_ptr ); /* Reset variable arguments. */
snprintf( buf, HTTP_ERRMSG_SIZE, format, PROGRAM_CGI, msg );
(void)write( STDERR_FILENO, buf, strlen( buf ) );
exit( 1 );
}
void fatal_json( const char *fmt, ... )
{
va_list arg_ptr;
char resp[HTTP_ERRMSG_SIZE];
char json[HTTP_ERRMSG_SIZE];
char msg[HTTP_ERRMSG_SIZE];
char *http_format = "Status: 500 Internal Server Error\n"
"Date: %s\n"
"Cache-Control: no-cache, no-store\n"
"Content-Type: application/json\n"
"Content-Length: %d\n\n"
"%s";
va_start( arg_ptr, fmt );
vsnprintf( msg, HTTP_ERRMSG_SIZE, (const void *)fmt, arg_ptr );
va_end( arg_ptr ); /* Reset variable arguments. */
snprintf( json, HTTP_ERRMSG_SIZE, "{\"error\":\"500\",\"description\":\"Internal Server Error\",\"message\":\"%s: %s\"}", PROGRAM_CGI, msg );
snprintf( resp, HTTP_ERRMSG_SIZE, http_format,
http_date( time(NULL) ), strlen( json ), json );
(void)write( STDOUT_FILENO, resp, strlen( resp ) );
exit( 1 );
}
void fatal_html( const char *fmt, ... )
{
va_list arg_ptr;
char resp[HTTP_ERRMSG_SIZE];
char html[HTTP_ERRMSG_SIZE];
char msg[HTTP_ERRMSG_SIZE];
char *http_format = "Status: 500 Internal Server Error\n"
"Date: %s\n"
"Cache-Control: no-cache, no-store\n"
"Content-Type: text/html; charset=utf-8\n"
"Content-Length: %d\n\n"
"%s";
char *html_format =
"<!DOCTYPE html>\n"
"<html lang=\"en-US\">\n"
" <head>\n"
" <meta charset=\"utf-8\">\n"
" <!--[if IE]><meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge,chrome=1\"><![endif]-->\n"
" <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n"
" <title>HTTP/%s 500 Internal Server Error</title>\n"
" <style>\n"
" body {\n"
" min-width: 460px;\n"
" }\n"
" .csvn-internal-server-error {\n"
" margin: 48px auto;\n"
" padding: 24px 48px 28px 48px;\n"
" width: 70%%;\n"
" color: #fff;\n"
" background: #db2828;\n"
" box-shadow: 3px 3px 10px rgba(0,0,0,0.5);\n"
" border-radius: 4px;\n"
" }\n"
" .csvn-internal-server-error h1 {\n"
" margin-bottom: 2px;\n"
" font-family: sans-serif;\n"
" font-size: 28px;\n"
" }\n"
" .csvn-internal-server-error p.http-date {\n"
" margin-top: 2px;\n"
" padding-left: 0px 0px 12px 0px;\n"
" color: #fc0;\n"
" font-family: monospace;\n"
" font-size: 18px;\n"
" }\n"
" .csvn-internal-server-error p {\n"
" padding-left: 1px;\n"
" font-family: monospace;\n"
" font-size: 14px;\n"
" }\n"
" @media screen and (max-width: 680px) {\n"
" .csvn-internal-server-error {\n"
" padding: 24px 28px 24px 28px;\n"
" width: 80%%;\n"
" }\n"
" .csvn-internal-server-error h1 {\n"
" font-size: 22px;\n"
" }\n"
" .csvn-internal-server-error p.http-date {\n"
" font-size: 16px;\n"
" }\n"
" .csvn-internal-server-error p {\n"
" font-size: 12px;\n"
" }\n"
" }\n"
" </style>\n"
" </head>\n"
" <body>\n"
" <div class=\"csvn-internal-server-error\">\n"
" <h1>HTTP/%s 500 Internal Server Error</h1>\n"
" <p class=\"http-date\">Date: %s</p>\n"
" <p>%s: %s</p>\n"
" </div>\n"
" </body>\n"
"</html>\n";
va_start( arg_ptr, fmt );
vsnprintf( msg, HTTP_ERRMSG_SIZE, (const void *)fmt, arg_ptr );
va_end( arg_ptr ); /* Reset variable arguments. */
snprintf( html, HTTP_ERRMSG_SIZE, html_format,
HTTP_VERSION, HTTP_VERSION,
http_date( time(NULL) ), PROGRAM_CGI, msg );
snprintf( resp, HTTP_ERRMSG_SIZE, http_format,
http_date( time(NULL) ), strlen( html ), html );
(void)write( STDOUT_FILENO, resp, strlen( resp ) );
exit( 1 );
}
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