-/* $Id: cgi.c,v 1.159 2018/10/01 08:06:53 schwarze Exp $ */
+/* $Id: cgi.c,v 1.169 2019/11/10 22:35:25 schwarze Exp $ */
/*
* Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2014, 2015, 2016, 2017 Ingo Schwarze <schwarze@usta.de>
+ * Copyright (c) 2014-2019 Ingo Schwarze <schwarze@usta.de>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
#include "roff.h"
#include "mdoc.h"
#include "man.h"
+#include "mandoc_parse.h"
#include "main.h"
#include "manconf.h"
#include "mansearch.h"
static void pg_error_badrequest(const char *);
static void pg_error_internal(void);
static void pg_index(const struct req *);
-static void pg_noresult(const struct req *, const char *);
+static void pg_noresult(const struct req *, int, const char *,
+ const char *);
static void pg_redirect(const struct req *, const char *);
static void pg_search(const struct req *);
static void pg_searchres(const struct req *,
for (; *p != '\0'; p++) {
if (isalnum((unsigned char)*p) == 0 &&
strchr("-._~", *p) == NULL)
- printf("%%%02.2X", (unsigned char)*p);
+ printf("%%%2.2X", (unsigned char)*p);
else
putchar(*p);
}
printf("Content-Type: text/html; charset=utf-8\r\n"
"Cache-Control: no-cache\r\n"
+ "Content-Security-Policy: default-src 'none'; "
+ "style-src 'self' 'unsafe-inline'\r\n"
"Pragma: no-cache\r\n"
"\r\n");
}
static void
-pg_noresult(const struct req *req, const char *msg)
+pg_noresult(const struct req *req, int code, const char *http_msg,
+ const char *user_msg)
{
- resp_begin_html(200, NULL, NULL);
+ resp_begin_html(code, http_msg, NULL);
resp_searchform(req, FOCUS_QUERY);
puts("<p>");
- puts(msg);
+ puts(user_msg);
puts("</p>");
resp_end_html();
}
{
struct manoutput conf;
struct mparse *mp;
- struct roff_man *man;
+ struct roff_meta *meta;
void *vp;
int fd;
int usepath;
}
mchars_alloc();
- mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1,
- MANDOCERR_MAX, NULL, MANDOC_OS_OTHER, req->q.manpath);
+ mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1 |
+ MPARSE_VALIDATE, MANDOC_OS_OTHER, req->q.manpath);
mparse_readfd(mp, fd, file);
close(fd);
+ meta = mparse_result(mp);
memset(&conf, 0, sizeof(conf));
conf.fragment = 1;
scriptname, *scriptname == '\0' ? "" : "/",
usepath ? req->q.manpath : "", usepath ? "/" : "");
- mparse_result(mp, &man, NULL);
- if (man == NULL) {
- warnx("fatal mandoc error: %s/%s", req->q.manpath, file);
- pg_error_internal();
- mparse_free(mp);
- mchars_free();
- return;
- }
-
vp = html_alloc(&conf);
-
- if (man->macroset == MACROSET_MDOC) {
- mdoc_validate(man);
- html_mdoc(vp, man);
- } else {
- man_validate(man);
- html_man(vp, man);
- }
+ if (meta->macroset == MACROSET_MDOC)
+ html_mdoc(vp, meta);
+ else
+ html_man(vp, meta);
html_free(vp);
mparse_free(mp);
if (req->isquery && req->q.equal && argc == 1)
pg_redirect(req, argv[0]);
else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
- pg_noresult(req, "You entered an invalid query.");
+ pg_noresult(req, 400, "Bad Request",
+ "You entered an invalid query.");
else if (ressz == 0)
- pg_noresult(req, "No results found.");
+ pg_noresult(req, 404, "Not Found", "No results found.");
else
pg_searchres(req, res, ressz);
}
/*
- * If PATH_INFO is not a file name, translate it to a query.
+ * Translate PATH_INFO to a query.
*/
static void
parse_path_info(struct req *req, const char *path)
{
- char *dir[4];
- int i;
+ const char *name, *sec, *end;
req->isquery = 0;
req->q.equal = 1;
- req->q.manpath = mandoc_strdup(path);
+ req->q.manpath = NULL;
req->q.arch = NULL;
/* Mandatory manual page name. */
- if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) {
- req->q.query = req->q.manpath;
- req->q.manpath = NULL;
- } else
- *req->q.query++ = '\0';
+ if ((name = strrchr(path, '/')) == NULL)
+ name = path;
+ else
+ name++;
/* Optional trailing section. */
- if ((req->q.sec = strrchr(req->q.query, '.')) != NULL) {
- if(isdigit((unsigned char)req->q.sec[1])) {
- *req->q.sec++ = '\0';
- req->q.sec = mandoc_strdup(req->q.sec);
- } else
- req->q.sec = NULL;
+ sec = strrchr(name, '.');
+ if (sec != NULL && isdigit((unsigned char)*++sec)) {
+ req->q.query = mandoc_strndup(name, sec - name - 1);
+ req->q.sec = mandoc_strdup(sec);
+ } else {
+ req->q.query = mandoc_strdup(name);
+ req->q.sec = NULL;
}
/* Handle the case of name[.section] only. */
- if (req->q.manpath == NULL)
+ if (name == path)
return;
- req->q.query = mandoc_strdup(req->q.query);
-
- /* Split directory components. */
- dir[i = 0] = req->q.manpath;
- while ((dir[i + 1] = strchr(dir[i], '/')) != NULL) {
- if (++i == 3) {
- pg_error_badrequest(
- "You specified too many directory components.");
- exit(EXIT_FAILURE);
- }
- *dir[i]++ = '\0';
- }
/* Optional manpath. */
- if ((i = validate_manpath(req, req->q.manpath)) == 0)
+ end = strchr(path, '/');
+ req->q.manpath = mandoc_strndup(path, end - path);
+ if (validate_manpath(req, req->q.manpath)) {
+ path = end + 1;
+ if (name == path)
+ return;
+ } else {
+ free(req->q.manpath);
req->q.manpath = NULL;
- else if (dir[1] == NULL)
- return;
+ }
/* Optional section. */
- if (strncmp(dir[i], "man", 3) == 0) {
+ if (strncmp(path, "man", 3) == 0 || strncmp(path, "cat", 3) == 0) {
+ path += 3;
+ end = strchr(path, '/');
free(req->q.sec);
- req->q.sec = mandoc_strdup(dir[i++] + 3);
+ req->q.sec = mandoc_strndup(path, end - path);
+ path = end + 1;
+ if (name == path)
+ return;
}
- if (dir[i] == NULL) {
- if (req->q.manpath == NULL)
- free(dir[0]);
- return;
+
+ /* Optional architecture. */
+ end = strchr(path, '/');
+ if (end + 1 != name) {
+ pg_error_badrequest(
+ "You specified too many directory components.");
+ exit(EXIT_FAILURE);
}
- if (dir[i + 1] != NULL) {
+ req->q.arch = mandoc_strndup(path, end - path);
+ if (validate_arch(req->q.arch) == 0) {
pg_error_badrequest(
"You specified an invalid directory component.");
exit(EXIT_FAILURE);
}
-
- /* Optional architecture. */
- if (i) {
- req->q.arch = mandoc_strdup(dir[i]);
- if (req->q.manpath == NULL)
- free(dir[0]);
- } else
- req->q.arch = dir[0];
}
/*