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author | kx <kx@radix.pro> | 2023-03-24 03:51:10 +0300 |
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committer | kx <kx@radix.pro> | 2023-03-24 03:51:10 +0300 |
commit | 05d292b208dfe01324826b4c87bbc4da3389a0d5 (patch) | |
tree | b10a2269e9320785f3b61189e75f6778fa167986 /cgitcgi/fatal.c | |
parent | 40ab18a661ff6ada40e73969be293918d346a2f5 (diff) | |
download | cgit-ui-05d292b208dfe01324826b4c87bbc4da3389a0d5.tar.xz |
Version 0.1.7
Diffstat (limited to 'cgitcgi/fatal.c')
-rw-r--r-- | cgitcgi/fatal.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/cgitcgi/fatal.c b/cgitcgi/fatal.c new file mode 100644 index 0000000..3a2f72f --- /dev/null +++ b/cgitcgi/fatal.c @@ -0,0 +1,179 @@ + +#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" + " .cgit-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" + " .cgit-internal-server-error h1 {\n" + " margin-bottom: 2px;\n" + " font-family: sans-serif;\n" + " font-size: 28px;\n" + " }\n" + " .cgit-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" + " .cgit-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" + " .cgit-internal-server-error {\n" + " padding: 24px 28px 24px 28px;\n" + " width: 80%%;\n" + " }\n" + " .cgit-internal-server-error h1 {\n" + " font-size: 22px;\n" + " }\n" + " .cgit-internal-server-error p.http-date {\n" + " font-size: 16px;\n" + " }\n" + " .cgit-internal-server-error p {\n" + " font-size: 12px;\n" + " }\n" + " }\n" + " </style>\n" + " </head>\n" + " <body>\n" + " <div class=\"cgit-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 ); +} |