(c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
+
#include "main.hh"
#include <cassert>
#include <clocale>
#include <cstring>
+#include <unistd.h>
+#include <errno.h>
+#include <pwd.h>
+#include <grp.h>
+#include <sys/types.h>
#include "config.hh"
#include "all-font-metrics.hh"
#include "file-name.hh"
+#include "freetype.hh"
#include "getopt-long.hh"
#include "global-ctor.hh"
-#include "kpath.hh"
#include "lily-guile.hh"
#include "lily-version.hh"
#include "misc.hh"
#include "output-def.hh"
+#include "string-convert.hh"
+#include "version.hh"
#include "warn.hh"
-#include "freetype.hh"
/*
* Global options that can be overridden through command line.
/* Name of initialisation file. */
String init_name_global;
-/* Do not calculate and write layout output? */
-bool skip_layout_global = false;
-
/* Selected output format.
One of tex, ps, scm, as.
*/
String output_backend_global = "ps";
String output_format_global = "pdf";
+
bool is_pango_format_global;
+bool is_TeX_format_global;
/* Current output name. */
String output_name_global;
static char const *PROGRAM_URL = "http://lilypond.org";
static char const *NOTICE =
-_f ("This program is free software. It is covered by the GNU General Public\n"
- "License and you are welcome to change it and/or distribute copies of it\n"
- "under certain conditions. Invoke as `%s --warranty' for more\n"
- "information.\n", "lilypond").to_str0 ();
+_i("This program is free software. It is covered by the GNU General Public\n"
+ "License and you are welcome to change it and/or distribute copies of it\n"
+ "under certain conditions. Invoke as `%s --warranty' for more\n"
+ "information.\n");
static char const *WARRANTY =
-_i (" This program is free software; you can redistribute it and/or\n"
- "modify it under the terms of the GNU General Public License version 2\n"
- "as published by the Free Software Foundation.\n"
- "\n"
- " This program is distributed in the hope that it will be useful,\n"
- "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
- "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
- "General Public License for more details.\n"
- "\n"
- " You should have received a copy (refer to the file COPYING) of the\n"
- "GNU General Public License along with this program; if not, write to\n"
- "the Free Software Foundation, Inc., 59 Temple Place - Suite 330,\n"
- "Boston, MA 02111-1307, USA.\n");
-
+_i(" This program is free software; you can redistribute it and/or\n"
+ "modify it under the terms of the GNU General Public License version 2\n"
+ "as published by the Free Software Foundation.\n"
+ "\n"
+ " This program is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
+ "General Public License for more details.\n"
+ "\n"
+ " You should have received a copy (refer to the file COPYING) of the\n"
+ "GNU General Public License along with this program; if not, write to\n"
+ "the Free Software Foundation, Inc., 59 Temple Place - Suite 330,\n"
+ "Boston, MA 02111-1307, USA.\n");
/* Where the init files live. Typically:
LILYPOND_DATADIR = /usr/share/lilypond
- LOCAL_LILYPOND_DATADIR = /usr/share/lilypond/<VERSION> */
-char const *prefix_directories[] = {LILYPOND_DATADIR, LOCAL_LILYPOND_DATADIR, 0};
+*/
+String prefix_directory;
+
+/* The jail specification: USER,GROUP,JAIL,DIR. */
+String jail_spec;
/* The option parser */
static Getopt_long *option_parser = 0;
{_i ("FIELD"), "header", 'H', _i ("write header field to BASENAME.FIELD")},
{_i ("DIR"), "include", 'I', _i ("add DIR to search path")},
{_i ("FILE"), "init", 'i', _i ("use FILE as init file")},
- {0, "no-layout", 'm', _i ("produce MIDI output only")},
{_i ("FILE"), "output", 'o', _i ("write output to FILE (suffix will be added)")},
+ {_i ("USER,GROUP,JAIL,DIR"), "jail", 'j', _i ("chroot to JAIL, become USER:GROUP and cd into DIR")},
{0, "preview", 'p', _i ("generate a preview")},
{0, "no-pages", 0, _i ("don't generate full pages")},
{0, "png", 0, _i ("generate PNG")},
dir_info (FILE *out)
{
fputs ("\n", out);
- fprintf (out, "LILYPOND_DATADIR =\"%s\"\n", LILYPOND_DATADIR);
- fprintf (out, "LOCAL_LILYPOND_DATADIR =\"\%s\"\n", LOCAL_LILYPOND_DATADIR);
- fprintf (out, "LOCALEDIR =\"%s\"\n", LOCALEDIR);
+ fprintf (out, "LILYPOND_DATADIR=\"%s\"\n", LILYPOND_DATADIR);
+ if (char const * env = getenv ("LILYPONDPREFIX"))
+ fprintf (out, "LILYPONDPREFIX=\"%s\"\n", env);
+ fprintf (out, "LOCALEDIR=\"%s\"\n", LOCALEDIR);
- char *lilypond_prefix = getenv ("LILYPONDPREFIX");
- fprintf (out, "LILYPONDPREFIX =\"%s\"\n",
- (lilypond_prefix ? lilypond_prefix : ""));
+ fprintf (out, "\nEffective prefix: \"%s\"\n", prefix_directory.to_str0());
}
static void
notice ()
{
identify (stdout);
- printf (_f (NOTICE, PROGRAM_NAME).to_str0 ());
+ puts (_f (NOTICE, PROGRAM_NAME).to_str0 ());
printf ("\n");
copyright ();
}
static void
setup_paths ()
{
- if (char const *lilypond_prefix = getenv ("LILYPONDPREFIX"))
- prefix_directories[1] = lilypond_prefix;
+ prefix_directory = LILYPOND_DATADIR;
+ if (char const * env = getenv ("LILYPONDPREFIX"))
+ prefix_directory = env;
global_path.append ("");
char *suffixes[] = {"ly", "cff", "otf", "mf/out", "scm", "tfm", "ps", "svg",
0};
- for (unsigned i = 0; prefix_directories[i]; i++)
- for (char **s = suffixes; *s; s++)
- {
- String p = prefix_directories[i] + to_string ('/') + String (*s);
- global_path.prepend (p);
-
-#if !KPATHSEA
- /* Urg: GNU make's $ (word) index starts at 1 */
- int i = 1;
- while (global_path.try_append (p + to_string (".") + to_string (i)))
- i++;
-#endif
- }
+ for (char **s = suffixes; *s; s++)
+ {
+ String path = prefix_directory + to_string ('/') + String (*s);
+ global_path.prepend (path);
+ }
}
static void
void init_global_tweak_registry ();
void init_fontconfig ();
+static void
+do_chroot_jail ()
+{
+ /* Now we chroot, setuid/setgrp and chdir. If something goes wrong,
+ we exit (this is a security-sensitive area). First we split
+ jail_spec into its components, then we retrieve the user/group id
+ (necessarily *before* chroot'ing) and finally we perform the
+ actual actions. */
+
+ enum Jail
+ {
+ USER_NAME, GROUP_NAME, JAIL, DIR, JAIL_MAX
+ };
+
+ Array<String> components = String_convert::split (jail_spec, ',');
+ if (components.size () != JAIL_MAX)
+ {
+ error (_f ("expected %d arguments with jail, found: %d", JAIL_MAX,
+ components.size ()));
+ exit (2);
+ }
+
+ /* Hmm. */
+ errno = 0;
+
+ int uid;
+ if (passwd *passwd = getpwnam (components[USER_NAME].to_str0 ()))
+ uid = passwd->pw_uid;
+ else
+ {
+ if (errno == 0)
+ error (_f ("no such user: %s", components[USER_NAME]));
+ else
+ error(_f ("can't get user id from user name: %s: %s",
+ components[USER_NAME],
+ strerror (errno)));
+ exit (3);
+ }
+
+ /* Hmm. */
+ errno = 0;
+
+ int gid;
+ if (group *group = getgrnam (components[GROUP_NAME].to_str0 ()))
+ gid = group->gr_gid;
+ else
+ {
+ if (errno == 0)
+ error (_f ("no such group: %s", components[GROUP_NAME]));
+ else
+ error (_f ("can't get group id from group name: %s: ",
+ components[GROUP_NAME],
+ strerror (errno)));
+ exit (3);
+ }
+
+ if (chroot (components[JAIL].to_str0 ()))
+ {
+ error (_f ("can't chroot to: %s: %s", components[JAIL],
+ strerror (errno)));
+ exit (3);
+ }
+
+ if (setgid (gid))
+ {
+ error (_f ("can't change group id to: %d: %s", gid, strerror (errno)));
+ exit (3);
+ }
+
+ if (setuid (uid))
+ {
+ error (_f ("can't change user id to: %d: %s", uid, strerror (errno)));
+ exit (3);
+ }
+
+ if (chdir (components[DIR].to_str0 ()))
+ {
+ error (_f ("can't change working directory to: %s: %s", components[DIR],
+ strerror (errno)));
+ exit (3);
+ }
+}
+
+void test_pango();
static void
main_with_guile (void *, int, char **)
{
/* Engravers use lily.scm contents, need to make Guile find it.
Prepend onto GUILE %load-path, very ugh. */
- for (unsigned i = 0; prefix_directories[i]; i++)
- {
- prepend_load_path (prefix_directories[i]);
- /* Junk this. We should make real modules iso. just loading files. */
- prepend_load_path (String (prefix_directories[i]) + "/scm");
- }
+
+ prepend_load_path (prefix_directory);
+ prepend_load_path (prefix_directory + "/scm");
if (be_verbose_global)
dir_info (stderr);
+ is_TeX_format_global = (output_backend_global == "tex"
+ || output_backend_global == "texstr");
+
+ is_pango_format_global = !is_TeX_format_global;
+
ly_c_init_guile ();
call_constructors ();
init_global_tweak_registry ();
init_fontconfig ();
+
init_freetype ();
- is_pango_format_global = (output_backend_global != "tex"
- && output_backend_global != "texstr");
-
all_fonts_global = new All_font_metrics (global_path.to_string ());
init_scheme_code_string += ")";
exit (2);
}
+ if (! jail_spec.is_empty ())
+ do_chroot_jail ();
+
SCM result = scm_call_1 (ly_lily_module_constant ("lilypond-main"), files);
(void) result;
-
/* Unreachable. */
exit (0);
}
output_format_global += format;
}
-
static void
parse_argv (int argc, char **argv)
{
- bool help_b = false;
+ bool show_help = false;
option_parser = new Getopt_long (argc, argv, options_static);
while (Long_option_init const *opt = (*option_parser) ())
{
output_name_global = file_name.to_string ();
}
break;
+ case 'j':
+ jail_spec = option_parser->optional_argument_str0_;
+ break;
case 'e':
init_scheme_code_string += option_parser->optional_argument_str0_;
break;
init_name_global = option_parser->optional_argument_str0_;
break;
case 'h':
- help_b = true;
+ show_help = true;
break;
case 'V':
be_verbose_global = true;
case 's':
be_safe_global = true;
break;
- case 'm':
- skip_layout_global = true;
- break;
case 'p':
make_preview = true;
break;
}
}
- if (help_b)
+ if (show_help)
{
identify (stdout);
usage ();
setup_paths ();
parse_argv (argc, argv);
identify (stderr);
- initialize_kpathsea (argv[0]);
scm_boot_guile (argc, argv, main_with_guile, 0);
projects / lilypond.git / blobdiff