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private-lib developments

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This commit is contained in:
netblue30 2017-10-09 12:10:49 -04:00
parent 382f861426
commit f451a2c426
8 changed files with 506 additions and 167 deletions
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1
etc/evince.profile
View file

@ -33,6 +33,7 @@ tracelog
private-bin evince,evince-previewer,evince-thumbnailer
private-dev
private-etc fonts
private-etc
# evince needs access to /tmp/mozilla* to work in firefox
# private-tmp

1
etc/hexchat.profile
View file

@ -38,6 +38,7 @@ disable-mnt
# debug note: private-bin requires perl, python, etc on some systems
private-bin hexchat
private-dev
private-lib
private-tmp
memory-deny-write-execute

2
etc/ktorrent.profile
View file

@ -47,7 +47,9 @@ protocol unix,inet,inet6
seccomp
shell none
private-bin ktorrent
private-dev
private-lib
private-tmp
# memory-deny-write-execute

5
etc/qbittorrent.profile
View file

@ -39,11 +39,12 @@ notv
novideo
protocol unix,inet,inet6,netlink
seccomp
# shell none
shell none
# private-bin qbittorrent
private-bin qbittorrent
private-dev
# private-etc X11,fonts,xdg,resolv.conf
private-lib
private-tmp
memory-deny-write-execute

1
etc/transmission-gtk.profile
View file

@ -36,6 +36,7 @@ tracelog
private-bin transmission-gtk
private-dev
private-lib
private-tmp
memory-deny-write-execute

1
etc/transmission-qt.profile
View file

@ -36,6 +36,7 @@ tracelog
private-bin transmission-qt
private-dev
private-lib
private-tmp
memory-deny-write-execute

351
src/firejail/fs_lib.c
View file

@ -16,7 +16,7 @@
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
*/
#include "firejail.h"
#include <sys/mount.h>
#include <sys/stat.h>
@ -35,39 +35,79 @@ static const char * const lib_paths[] = {
LIBDIR,
"/usr/local/lib",
NULL
}; // Note: this array is duplicated in src/fldd/main.c
}; // Note: this array is duplicated in src/fldd/main.c
static void duplicate(const char *fname, const char *private_run_dir) {
if (arg_debug)
printf("copying %s to private %s\n", fname, private_run_dir);
extern void fslib_install_stdc(void);
extern void fslib_install_system(void);
// copy only root-owned files
static int lib_cnt = 0;
static int dir_cnt = 0;
static char *build_dest_dir(const char *full_path) {
assert(full_path);
if (strstr(full_path, "/x86_64-linux-gnu/"))
return RUN_LIB_DIR "/x86_64-linux-gnu";
return RUN_LIB_DIR;
}
// copy fname in private_run_dir
void fslib_duplicate(const char *full_path) {
assert(full_path);
struct stat s;
if (stat(fname, &s) == 0 && s.st_uid == 0)
sbox_run(SBOX_ROOT| SBOX_SECCOMP, 4, PATH_FCOPY, "--follow-link", fname, private_run_dir);
if (stat(full_path, &s) != 0 || s.st_uid != 0 || access(full_path, R_OK))
return;
char *dest_dir = build_dest_dir(full_path);
// don't copy it if the file is already there
char *ptr = strrchr(full_path, '/');
if (!ptr)
return;
ptr++;
if (*ptr == '\0')
return;
char *name;
if (asprintf(&name, "%s/%s", dest_dir, ptr) == -1)
errExit("asprintf");
if (stat(name, &s) == 0) {
free(name);
return;
}
free(name);
if (arg_debug)
printf("copying %s to private %s\n", full_path, dest_dir);
sbox_run(SBOX_ROOT| SBOX_SECCOMP, 4, PATH_FCOPY, "--follow-link", full_path, dest_dir);
lib_cnt++;
}
// requires full path for lib
static void copy_libs(const char *lib, const char *private_run_dir, const char *output_file) {
// it could be a library or an executable
// lib is not copied, only libraries used by it
void fslib_copy_libs(const char *full_path) {
// if library/executable does not exist or the user does not have read access to it
// print a warning and exit the function.
if (access(lib, R_OK)) {
fwarning("cannot find %s for private-lib, skipping...\n", lib);
if (access(full_path, R_OK)) {
if (arg_debug)
printf("cannot find %s for private-lib, skipping...\n", full_path);
return;
}
// create an empty RUN_LIB_FILE and allow the user to write to it
unlink(output_file); // in case is there
create_empty_file_as_root(output_file, 0644);
if (chown(output_file, getuid(), getgid()))
unlink(RUN_LIB_FILE); // in case is there
create_empty_file_as_root(RUN_LIB_FILE, 0644);
if (chown(RUN_LIB_FILE, getuid(), getgid()))
errExit("chown");
// run fldd to extact the list of file
sbox_run(SBOX_USER | SBOX_SECCOMP | SBOX_CAPS_NONE, 3, PATH_FLDD, lib, output_file);
// run fldd to extact the list of files
sbox_run(SBOX_USER | SBOX_SECCOMP | SBOX_CAPS_NONE, 3, PATH_FLDD, full_path, RUN_LIB_FILE);
// open the list of libraries and install them on by one
FILE *fp = fopen(output_file, "r");
FILE *fp = fopen(RUN_LIB_FILE, "r");
if (!fp)
errExit("fopen");
@ -77,18 +117,30 @@ static void copy_libs(const char *lib, const char *private_run_dir, const char *
char *ptr = strchr(buf, '\n');
if (ptr)
*ptr = '\0';
duplicate(buf, private_run_dir);
fslib_duplicate(buf);
}
fclose(fp);
}
static void copy_directory(const char *full_path, const char *dir_name, const char *private_run_dir) {
char *dest;
if (asprintf(&dest, "%s/%s", private_run_dir, dir_name) == -1)
errExit("asprintf");
void fslib_copy_dir(const char *full_path) {
assert(full_path);
// do nothing if the directory does not exist or is not owned by root
struct stat s;
if (stat(full_path, &s) != 0 || s.st_uid != 0 || !S_ISDIR(s.st_mode) || access(full_path, R_OK))
return;
char *dir_name = strrchr(full_path, '/');
assert(dir_name);
dir_name++;
assert(*dir_name != '\0');
// do nothing if the directory is already there
struct stat s;
char *dest;
if (asprintf(&dest, "%s/%s", build_dest_dir(full_path), dir_name) == -1)
errExit("asprintf");
if (stat(dest, &s) == 0) {
free(dest);
return;
@ -98,120 +150,84 @@ static void copy_directory(const char *full_path, const char *dir_name, const ch
mkdir_attr(dest, 0755, 0, 0);
if (mount(full_path, dest, NULL, MS_BIND|MS_REC, NULL) < 0 ||
mount(NULL, dest, NULL, MS_BIND|MS_REMOUNT|MS_NOSUID|MS_NODEV|MS_REC, NULL) < 0)
mount(NULL, dest, NULL, MS_BIND|MS_REMOUNT|MS_NOSUID|MS_NODEV|MS_REC, NULL) < 0)
errExit("mount bind");
fs_logger2("clone", full_path);
fs_logger2("mount", full_path);
dir_cnt++;
free(dest);
}
// return 1 if the file is valid
static char *valid_file(const char *lib) {
// filename check
int len = strlen(lib);
if (strcspn(lib, "\\&!?\"'<>%^(){}[];,*") != (size_t)len ||
strstr(lib, "..")) {
strstr(lib, "..")) {
fprintf(stderr, "Error: \"%s\" is an invalid library\n", lib);
exit(1);
}
// find the library
int i;
for (i = 0; lib_paths[i]; i++) {
char *fname;
if (asprintf(&fname, "%s/%s", lib_paths[i], lib) == -1)
errExit("asprintf");
// existing file owned by root
// existing file owned by root, read access
struct stat s;
if (stat(fname, &s) == 0 && s.st_uid == 0) {
if (stat(fname, &s) == 0 && s.st_uid == 0 && !access(fname, R_OK)) {
return fname;
}
free(fname);
}
fwarning("%s library not found, skipping...\n", lib);
fwarning("%s library not found, skipping...\n", lib);
return NULL;
}
// standard libc libraries based on Debian's libc6 package
// selinux seems to be linked in most command line utilities
// locale (/usr/lib/locale) - without it, the program will default to "C" locale
typedef struct liblist_t {
const char *name;
int len;
} LibList;
static LibList libc_list[] = {
// { "locale", 0 }, hardcoded!
{ "libselinux.so.", 0 },
{ "ld-linux-x86-64.so.", 0 },
{ "libanl.so.", 0 },
{ "libc.so.", 0 },
{ "libcidn.so.", 0 },
{ "libcrypt.so.", 0 },
{ "libdl.so.", 0 },
{ "libm.so.", 0 },
{ "libmemusage.so", 0 },
{ "libmvec.so.", 0 },
{ "libnsl.so.", 0 },
{ "libnss_compat.so.", 0 },
{ "libnss_dns.so.", 0 },
{ "libnss_files.so.", 0 },
{ "libnss_hesiod.so.", 0 },
{ "libnss_nisplus.so.", 0 },
{ "libnss_nis.so.", 0 },
{ "libpthread.so.", 0 },
{ "libresolv.so.", 0 },
{ "librt.so.", 0 },
{ "libthread_db.so.", 0 },
{ "libutil.so.", 0 },
{ NULL, 0}
};
static void mount_directories(void) {
if (arg_debug)
printf("Mount-bind %s on top of /lib /lib64 /usr/lib\n", RUN_LIB_DIR);
static int find(const char *name) {
assert(name);
int i = 0;
while (libc_list[i].name) {
if (libc_list[i].len == 0)
libc_list[i].len = strlen(libc_list[i].name);
if (strncmp(name, libc_list[i].name, libc_list[i].len) == 0)
return 1;
i++;
if (is_dir("/lib")) {
if (mount(RUN_LIB_DIR, "/lib", NULL, MS_BIND|MS_REC, NULL) < 0 ||
mount(NULL, "/lib", NULL, MS_BIND|MS_REMOUNT|MS_NOSUID|MS_NODEV|MS_REC, NULL) < 0)
errExit("mount bind");
fs_logger2("tmpfs", "/lib");
fs_logger("mount /lib");
}
return 0;
}
// compare the files in dirname against liblist above
static void walk_directory(const char *dirname, const char *destdir) {
assert(dirname);
assert(destdir);
DIR *dir = opendir(dirname);
if (dir) {
struct dirent *entry;
while ((entry = readdir(dir)) != NULL) {
if (strcmp(entry->d_name, ".") == 0)
continue;
if (strcmp(entry->d_name, "..") == 0)
continue;
if (find(entry->d_name)) {
char *fname;
if (asprintf(&fname, "%s/%s", dirname, entry->d_name) == -1)
errExit("asprintf");
if (is_dir(fname))
copy_directory(fname, entry->d_name, RUN_LIB_DIR);
else
duplicate(fname, destdir);
}
}
closedir(dir);
if (is_dir("/lib64")) {
if (mount(RUN_LIB_DIR, "/lib64", NULL, MS_BIND|MS_REC, NULL) < 0 ||
mount(NULL, "/lib64", NULL, MS_BIND|MS_REMOUNT|MS_NOSUID|MS_NODEV|MS_REC, NULL) < 0)
errExit("mount bind");
fs_logger2("tmpfs", "/lib64");
fs_logger("mount /lib64");
}
if (is_dir("/usr/lib")) {
if (mount(RUN_LIB_DIR, "/usr/lib", NULL, MS_BIND|MS_REC, NULL) < 0 ||
mount(NULL, "/usr/lib", NULL, MS_BIND|MS_REMOUNT|MS_NOSUID|MS_NODEV|MS_REC, NULL) < 0)
errExit("mount bind");
fs_logger2("tmpfs", "/usr/lib");
fs_logger("mount /usr/lib");
}
// for amd64 only - we'll deal with i386 later
if (is_dir("/lib32")) {
if (mount(RUN_RO_DIR, "/lib32", "none", MS_BIND, "mode=400,gid=0") < 0)
errExit("disable file");
fs_logger("blacklist-nolog /lib32");
}
if (is_dir("/libx32")) {
if (mount(RUN_RO_DIR, "/libx32", "none", MS_BIND, "mode=400,gid=0") < 0)
errExit("disable file");
fs_logger("blacklist-nolog /libx32");
}
else
fprintf(stderr, "Error: cannot open %s in order to set --private-lib\n", dirname);
}
void fs_private_lib(void) {
@ -219,39 +235,35 @@ void fs_private_lib(void) {
fwarning("private-lib feature is currently available only on amd64 platforms\n");
return;
#endif
char *private_list = cfg.lib_private_keep;
if (arg_debug)
printf("Starting private-lib processing: program %s, shell %s\n",
(cfg.original_program_index > 0)? cfg.original_argv[cfg.original_program_index]: "none",
(arg_shell_none)? "none": cfg.shell);
(arg_shell_none)? "none": cfg.shell);
// create /run/firejail/mnt/lib directory
mkdir_attr(RUN_LIB_DIR, 0755, 0, 0);
struct stat s;
if (stat("/lib/x86_64-linux-gnu", &s) == 0) {
mkdir_attr(RUN_LIB_DIR "/x86_64-linux-gnu", 0755, 0, 0);
walk_directory("/lib/x86_64-linux-gnu", RUN_LIB_DIR "/x86_64-linux-gnu");
}
if (stat("/usr/lib/locale", &s) == 0)
copy_directory("/usr/lib/locale", "locale", RUN_LIB_DIR);
// install standard C libraries
fslib_install_stdc();
timetrace_start();
// copy the libs in the new lib directory for the main exe
if (cfg.original_program_index > 0)
copy_libs(cfg.original_argv[cfg.original_program_index], RUN_LIB_DIR, RUN_LIB_FILE);
fslib_copy_libs(cfg.original_argv[cfg.original_program_index]);
// for the shell
if (!arg_shell_none) {
copy_libs(cfg.shell, RUN_LIB_DIR, RUN_LIB_FILE);
fslib_copy_libs(cfg.shell);
// a shell is useless without ls command
copy_libs("/bin/ls", RUN_LIB_DIR, RUN_LIB_FILE);
fslib_copy_libs("/bin/ls");
}
// for the listed libs
if (private_list && *private_list != '\0') {
if (arg_debug)
printf("Copying extra files (%s) in the new lib directory:\n", private_list);
printf("Copying extra files (%s) in the new lib directory\n", private_list);
char *dlist = strdup(private_list);
if (!dlist)
@ -261,10 +273,10 @@ void fs_private_lib(void) {
char *lib = valid_file(ptr);
if (lib) {
if (is_dir(lib))
copy_directory(lib, ptr, RUN_LIB_DIR);
fslib_copy_dir(lib);
else {
duplicate(lib, RUN_LIB_DIR);
copy_libs(lib, RUN_LIB_DIR, RUN_LIB_FILE);
fslib_duplicate(lib);
fslib_copy_libs(lib);
}
free(lib);
}
@ -273,10 +285,10 @@ void fs_private_lib(void) {
lib = valid_file(ptr);
if (lib) {
if (is_dir(lib))
copy_directory(lib, ptr, RUN_LIB_DIR);
fslib_copy_dir(lib);
else {
duplicate(lib, RUN_LIB_DIR);
copy_libs(lib, RUN_LIB_DIR, RUN_LIB_FILE);
fslib_duplicate(lib);
fslib_copy_libs(lib);
}
free(lib);
}
@ -295,54 +307,63 @@ void fs_private_lib(void) {
char *ptr = strchr(buf, '\n');
if (ptr)
*ptr = '\0';
copy_libs(buf, RUN_LIB_DIR, RUN_LIB_FILE);
// copy libraries for this program
fslib_copy_libs(buf);
// load program data from /usr/lib/program or from /usr/lib/x86_64-linux-gnu
ptr = strrchr(buf, '/');
if (ptr && *(ptr + 1) != '\0') {
ptr++;
// /usr/lib/program
char *name;
if (asprintf(&name, "/usr/lib/%s", ptr) == -1)
errExit("asprintf");
struct stat s;
if (is_dir(name)) {
fslib_copy_dir(name);
fslib_copy_libs(name);
}
free(name);
// /usr/lib/x86_linux-gnu - debian & frriends
if (asprintf(&name, "/usr/lib/x86_64-linux-gnu/%s", ptr) == -1)
errExit("asprintf");
if (is_dir(name)) {
fslib_copy_dir(name);
fslib_copy_libs(name);
}
free(name);
// /usr/lib64 - CentOS, Fedora
if (asprintf(&name, "/usr/lib64/%s", ptr) == -1)
errExit("asprintf");
if (is_dir(name)) {
fslib_copy_dir(name);
fslib_copy_libs(name);
}
free(name);
}
}
}
fclose(fp);
}
if (!arg_quiet)
fprintf(stderr, "Program libraries installed in %0.2f ms\n", timetrace_end());
// install the reset of the system libraries
fslib_install_system();
if (!arg_quiet)
fprintf(stderr, "Installed %d libraries and %d directories\n", lib_cnt, dir_cnt);
// for our trace and tracelog libs
if (arg_trace)
duplicate(LIBDIR "/firejail/libtrace.so", RUN_LIB_DIR);
fslib_duplicate(LIBDIR "/firejail/libtrace.so");
else if (arg_tracelog)
duplicate(LIBDIR "/firejail/libtracelog.so", RUN_LIB_DIR);
fslib_duplicate(LIBDIR "/firejail/libtracelog.so");
if (arg_debug)
printf("Mount-bind %s on top of /lib /lib64 /usr/lib\n", RUN_LIB_DIR);
if (is_dir("/lib")) {
if (mount(RUN_LIB_DIR, "/lib", NULL, MS_BIND|MS_REC, NULL) < 0 ||
mount(NULL, "/lib", NULL, MS_BIND|MS_REMOUNT|MS_NOSUID|MS_NODEV|MS_REC, NULL) < 0)
errExit("mount bind");
fs_logger2("tmpfs", "/lib");
fs_logger("mount /lib");
}
if (is_dir("/lib64")) {
if (mount(RUN_LIB_DIR, "/lib64", NULL, MS_BIND|MS_REC, NULL) < 0 ||
mount(NULL, "/lib64", NULL, MS_BIND|MS_REMOUNT|MS_NOSUID|MS_NODEV|MS_REC, NULL) < 0)
errExit("mount bind");
fs_logger2("tmpfs", "/lib64");
fs_logger("mount /lib64");
}
if (is_dir("/usr/lib")) {
if (mount(RUN_LIB_DIR, "/usr/lib", NULL, MS_BIND|MS_REC, NULL) < 0 ||
mount(NULL, "/usr/lib", NULL, MS_BIND|MS_REMOUNT|MS_NOSUID|MS_NODEV|MS_REC, NULL) < 0)
errExit("mount bind");
fs_logger2("tmpfs", "/usr/lib");
fs_logger("mount /usr/lib");
}
// for amd64 only - we'll deal with i386 later
if (is_dir("/lib32")) {
if (mount(RUN_RO_DIR, "/lib32", "none", MS_BIND, "mode=400,gid=0") < 0)
errExit("disable file");
fs_logger("blacklist-nolog /lib32");
}
if (is_dir("/libx32")) {
if (mount(RUN_RO_DIR, "/libx32", "none", MS_BIND, "mode=400,gid=0") < 0)
errExit("disable file");
fs_logger("blacklist-nolog /libx32");
}
// mount lib filesystem
mount_directories();
}

311
src/firejail/fs_lib2.c Normal file
View file

@ -0,0 +1,311 @@
/*
* Copyright (C) 2017 Firejail Authors
*
* This file is part of firejail project
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "firejail.h"
#include <dirent.h>
#include <sys/stat.h>
extern void fslib_duplicate(const char *full_path);
extern void fslib_copy_libs(const char *full_path);
extern void fslib_copy_dir(const char *full_path);
//***************************************************************
// Standard C library
//***************************************************************
// standard libc libraries based on Debian's libc6 package
// selinux seems to be linked in most command line utilities
// locale (/usr/lib/locale) - without it, the program will default to "C" locale
typedef struct liblist_t {
const char *name;
int len;
} LibList;
static LibList libc_list[] = {
{ "libselinux.so.", 0 },
{ "ld-linux-x86-64.so.", 0 },
{ "libanl.so.", 0 },
{ "libc.so.", 0 },
{ "libcidn.so.", 0 },
{ "libcrypt.so.", 0 },
{ "libdl.so.", 0 },
{ "libm.so.", 0 },
{ "libmemusage.so", 0 },
{ "libmvec.so.", 0 },
{ "libnsl.so.", 0 },
{ "libnss_compat.so.", 0 },
{ "libnss_dns.so.", 0 },
{ "libnss_files.so.", 0 },
{ "libnss_hesiod.so.", 0 },
{ "libnss_nisplus.so.", 0 },
{ "libnss_nis.so.", 0 },
{ "libpthread.so.", 0 },
{ "libresolv.so.", 0 },
{ "librt.so.", 0 },
{ "libthread_db.so.", 0 },
{ "libutil.so.", 0 },
{ NULL, 0}
};
static int find_libc_list(const char *name) {
assert(name);
int i = 0;
while (libc_list[i].name) {
if (libc_list[i].len == 0)
libc_list[i].len = strlen(libc_list[i].name);
if (strncmp(name, libc_list[i].name, libc_list[i].len) == 0)
return 1;
i++;
}
return 0;
}
// compare the files in dirname against liblist above
static void stdc(const char *dirname) {
assert(dirname);
DIR *dir = opendir(dirname);
if (dir) {
struct dirent *entry;
while ((entry = readdir(dir)) != NULL) {
if (strcmp(entry->d_name, ".") == 0)
continue;
if (strcmp(entry->d_name, "..") == 0)
continue;
if (find_libc_list(entry->d_name)) {
char *fname;
if (asprintf(&fname, "%s/%s", dirname, entry->d_name) == -1)
errExit("asprintf");
fslib_duplicate(fname);
}
}
closedir(dir);
}
}
void fslib_install_stdc(void) {
// install standard C libraries
struct stat s;
char *stdclib = "/lib64"; // CentOS, Fedora, Arch
if (stat("/lib/x86_64-linux-gnu", &s) == 0) { // Debian & friends
mkdir_attr(RUN_LIB_DIR "/x86_64-linux-gnu", 0755, 0, 0);
stdclib = "/lib/x86_64-linux-gnu";
}
timetrace_start();
stdc(stdclib);
// install locale
if (stat("/usr/lib/locale", &s) == 0)
fslib_copy_dir("/usr/lib/locale");
if (!arg_quiet)
fprintf(stderr, "Standard C library installed in %0.2f ms\n", timetrace_end());
}
void fslib_install_locale(void);
//***************************************************************
// various system libraries
//***************************************************************
// look for library in the new filesystem, and install one or two more directories, dir1 and dir2
typedef struct syslib_t {
const char *library; // look in the system for this library
int len; // length of library string, 0 by default
int found; // library found, 0 by default
const char *dir1; // directory to install
const char *dir2; // directory to install
const char *message; // message to print on the screen
} SysLib;
SysLib syslibs[] = {
#if 0
{
"", // library
0, 0, // len and found flag
"", // dir1
"", // dir2
"" // message
},
#endif
{ // pixmaps - libraries used by GTK to display application menu icons
"libgdk_pixbuf-2.0", // library
0, 0, // len and found flag
"gdk-pixbuf-2.0", // dir1
"", // dir2
"GdkPixbuf" // message
},
{ // GTK2
"libgtk-x11-2.0", // library
0, 0, // len and found flag
"gtk-2.0", // dir1
"libgtk2.0-0", // dir2
"GTK2" // message
},
{ // GTK3
"libgtk-3", // library
0, 0, // len and found flag
"gtk-3.0", // dir1
"libgtk-3-0", // dir2
"GTK3" // message
},
{ // Pango - text internationalization, found on older GTK2-based systems
"libpango", // library
0, 0, // len and found flag
"pango", // dir1
"", // dir2
"Pango" // message
},
{ // Library for handling GObject introspection data on GTK systems
"libgirepository-1.0", // library
0, 0, // len and found flag
"girepository-1.0", // dir1
"", // dir2
"GIRepository" // message
},
{ // Enchant speller
"libenchant.so.", // library
0, 0, // len and found flag
"enchant", // dir1
"", // dir2
"Enchant (speller)" // message
},
{
"libQt5", // library
0, 0, // len and found flag
"qt5", // dir1
"gdk-pixbuf-2.0", // dir2
"Qt5, GdkPixbuf" // message
},
{
"libQtCore", // library
0, 0, // len and found flag
"qt4", // dir1
"gdk-pixbuf-2.0", // dir2
"Qt4" // message
},
{ // NULL terminated list
NULL, // library
0, 0, // len and found flag
"", // dir1
"", // dir2
"" // message
}
};
void fslib_install_system(void) {
// look for installed libraries
DIR *dir = opendir(RUN_LIB_DIR "/x86_64-linux-gnu");
if (!dir)
dir = opendir(RUN_LIB_DIR);
if (dir) {
struct dirent *entry;
while ((entry = readdir(dir)) != NULL) {
if (strcmp(entry->d_name, ".") == 0)
continue;
if (strcmp(entry->d_name, "..") == 0)
continue;
SysLib *ptr = &syslibs[0];
while (ptr->library) {
if (ptr->len == 0)
ptr->len = strlen(ptr->library);
if (strncmp(entry->d_name, ptr->library, ptr->len) == 0) {
ptr->found = 1;
break;
}
ptr++;
}
}
closedir(dir);
}
else
assert(0);
// install required directories
SysLib *ptr = &syslibs[0];
while (ptr->library) {
if (ptr->found) {
assert(*ptr->message != '\0');
timetrace_start();
// bring in all libraries
assert(ptr->dir1);
char *name;
// Debian & friends
if (asprintf(&name, "/usr/lib/x86_64-linux-gnu/%s", ptr->dir1) == -1)
errExit("asprintf");
if (access(name, R_OK) == 0) {
fslib_copy_libs(name);
fslib_copy_dir(name);
}
else {
free(name);
// CentOS, Fedora, Arch
if (asprintf(&name, "/usr/lib64/%s", ptr->dir1) == -1)
errExit("asprintf");
if (access(name, R_OK) == 0) {
fslib_copy_libs(name);
fslib_copy_dir(name);
}
}
free(name);
if (*ptr->dir2 != '\0') {
// Debian & friends
if (asprintf(&name, "/usr/lib/x86_64-linux-gnu/%s", ptr->dir2) == -1)
errExit("asprintf");
if (access(name, R_OK) == 0) {
fslib_copy_libs(name);
fslib_copy_dir(name);
}
else {
free(name);
// CentOS, Fedora, Arch
if (asprintf(&name, "/usr/lib64/%s", ptr->dir2) == -1)
errExit("asprintf");
if (access(name, R_OK) == 0) {
fslib_copy_libs(name);
fslib_copy_dir(name);
}
}
free(name);
}
if (!arg_quiet)
fprintf(stderr, "%s installed in %0.2f ms\n", ptr->message, timetrace_end());
}
ptr++;
}
}