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04c3e7bf6be5251cd554c6d4d943819fb34a4823
nvidia-installer/files.c
Aaron Plattner 04c3e7bf6b 510.39.01
2022-01-11 10:01:21 -08:00

3380 lines
100 KiB
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/*
* nvidia-installer: A tool for installing NVIDIA software packages on
* Unix and Linux systems.
*
* Copyright (C) 2003 NVIDIA Corporation
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* 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, see <http://www.gnu.org/licenses>.
*
*
* files.c - this source file contains routines for manipulating
* files and directories for the nv-instaler.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/mman.h>
#include <sys/utsname.h>
#include <stdlib.h>
#include <limits.h>
#include <libgen.h>
#include <utime.h>
#include <time.h>
#include <sys/wait.h>
#include "nvidia-installer.h"
#include "user-interface.h"
#include "files.h"
#include "misc.h"
#include "precompiled.h"
#include "backup.h"
static char *get_xdg_data_dir(void);
static void get_x_library_and_module_paths(Options *op);
/*
* remove_directory() - recursively delete a directory (`rm -rf`)
*/
int remove_directory(Options *op, const char *victim)
{
struct stat stat_buf;
DIR *dir;
struct dirent *ent;
int success = TRUE;
if (lstat(victim, &stat_buf) == -1) {
ui_error(op, "failure to open '%s'", victim);
return FALSE;
}
if (S_ISDIR(stat_buf.st_mode) == 0) {
ui_error(op, "%s is not a directory", victim);
return FALSE;
}
if ((dir = opendir(victim)) == NULL) {
ui_error(op, "Failure reading directory %s", victim);
return FALSE;
}
while (success && (ent = readdir(dir)) != NULL) {
char *filename;
int len;
if (((strcmp(ent->d_name, ".")) == 0) ||
((strcmp(ent->d_name, "..")) == 0)) continue;
len = strlen(victim) + strlen(ent->d_name) + 2;
filename = (char *) nvalloc(len);
snprintf(filename, len, "%s/%s", victim, ent->d_name);
if (lstat(filename, &stat_buf) == -1) {
ui_error(op, "failure to open '%s'", filename);
success = FALSE;
} else {
if (S_ISDIR(stat_buf.st_mode)) {
success = remove_directory(op, filename);
} else {
if (unlink(filename) != 0) {
ui_error(op, "Failure removing file %s (%s)",
filename, strerror(errno));
success = FALSE;
}
}
}
free(filename);
}
closedir(dir);
if (rmdir(victim) != 0) {
ui_error(op, "Failure removing directory %s (%s)",
victim, strerror(errno));
return FALSE;
}
return success;
}
/*
* touch_directory() - recursively touch all files (and directories)
* in the specified directory, bringing their access and modification
* times up to date.
*/
int touch_directory(Options *op, const char *victim)
{
struct stat stat_buf;
DIR *dir;
struct dirent *ent;
struct utimbuf time_buf;
int success = FALSE;
if (lstat(victim, &stat_buf) == -1) {
ui_error(op, "failure to open '%s'", victim);
return FALSE;
}
if (S_ISDIR(stat_buf.st_mode) == 0) {
ui_error(op, "%s is not a directory", victim);
return FALSE;
}
if ((dir = opendir(victim)) == NULL) {
ui_error(op, "Failure reading directory %s", victim);
return FALSE;
}
/* get the current time */
time_buf.actime = time(NULL);
time_buf.modtime = time_buf.actime;
/* loop over each entry in the directory */
while ((ent = readdir(dir)) != NULL) {
char *filename;
int entry_failed = FALSE;
if (((strcmp(ent->d_name, ".")) == 0) ||
((strcmp(ent->d_name, "..")) == 0)) continue;
filename = nvstrcat(victim, "/", ent->d_name, NULL);
/* stat the file to get the type */
if (lstat(filename, &stat_buf) == -1) {
ui_error(op, "failure to open '%s'", filename);
entry_failed = TRUE;
goto entry_done;
}
/* if it is a directory, call this recursively */
if (S_ISDIR(stat_buf.st_mode)) {
if (!touch_directory(op, filename)) {
entry_failed = TRUE;
goto entry_done;
}
}
/* finally, set the access and modification times */
if (utime(filename, &time_buf) != 0) {
ui_error(op, "Error setting modification time for %s", filename);
entry_failed = TRUE;
goto entry_done;
}
entry_done:
nvfree(filename);
if (entry_failed) {
goto done;
}
}
success = TRUE;
done:
if (closedir(dir) != 0) {
ui_error(op, "Error while closing directory %s.", victim);
success = FALSE;
}
return success;
}
/*
* copy_file() - copy the file specified by srcfile to dstfile, using
* mmap and memcpy. The destination file is created with the
* permissions specified by mode. Roughly based on code presented by
* Richard Stevens, in Advanced Programming in the Unix Environment,
* 12.9.
*/
int copy_file(Options *op, const char *srcfile,
const char *dstfile, mode_t mode)
{
int src_fd = -1, dst_fd = -1;
int success = FALSE;
struct stat stat_buf;
char *src, *dst;
if ((src_fd = open(srcfile, O_RDONLY)) == -1) {
ui_error (op, "Unable to open '%s' for copying (%s)",
srcfile, strerror (errno));
goto done;
}
if ((dst_fd = open(dstfile, O_RDWR | O_CREAT | O_TRUNC, mode)) == -1) {
ui_error (op, "Unable to create '%s' for copying (%s)",
dstfile, strerror (errno));
goto done;
}
if (fstat(src_fd, &stat_buf) == -1) {
ui_error (op, "Unable to determine size of '%s' (%s)",
srcfile, strerror (errno));
goto done;
}
if (stat_buf.st_size == 0) {
success = TRUE;
goto done;
}
if (lseek(dst_fd, stat_buf.st_size - 1, SEEK_SET) == -1) {
ui_error (op, "Unable to set file size for '%s' (%s)",
dstfile, strerror (errno));
goto done;
}
if (write(dst_fd, "", 1) != 1) {
ui_error (op, "Unable to write file size for '%s' (%s)",
dstfile, strerror (errno));
goto done;
}
if ((src = mmap(0, stat_buf.st_size, PROT_READ,
MAP_FILE | MAP_SHARED, src_fd, 0)) == (void *) -1) {
ui_error (op, "Unable to map source file '%s' for copying (%s)",
srcfile, strerror (errno));
goto done;
}
if ((dst = mmap(0, stat_buf.st_size, PROT_READ | PROT_WRITE,
MAP_FILE | MAP_SHARED, dst_fd, 0)) == (void *) -1) {
ui_error (op, "Unable to map destination file '%s' for copying (%s)",
dstfile, strerror (errno));
goto done;
}
memcpy (dst, src, stat_buf.st_size);
if (munmap (src, stat_buf.st_size) == -1) {
ui_error (op, "Unable to unmap source file '%s' after copying (%s)",
srcfile, strerror (errno));
goto done;
}
if (munmap (dst, stat_buf.st_size) == -1) {
ui_error (op, "Unable to unmap destination file '%s' after "
"copying (%s)", dstfile, strerror (errno));
goto done;
}
success = TRUE;
done:
if (success) {
/*
* the mode used to create dst_fd may have been affected by the
* user's umask; so explicitly set the mode again
*/
fchmod(dst_fd, mode);
}
if (src_fd != -1) {
close (src_fd);
}
if (dst_fd != -1) {
close (dst_fd);
}
return success;
}
/*
* write_temp_file() - write the given data to a temporary file,
* setting the file's permissions to those specified in perm. On
* success the name of the temporary file is returned; on error NULL
* is returned.
*/
char *write_temp_file(Options *op, const int len,
const unsigned char *data, mode_t perm)
{
unsigned char *dst = (void *) -1;
char *tmpfile = NULL;
int fd = -1;
int ret = FALSE;
/* create a temporary file */
tmpfile = nvstrcat(op->tmpdir, "/nv-tmp-XXXXXX", NULL);
fd = mkstemp(tmpfile);
if (fd == -1) {
ui_warn(op, "Unable to create temporary file (%s).",
strerror(errno));
goto done;
}
/* If a length of zero or a NULL data pointer was provided, skip writing
* to the file and just set the desired permissions. */
if (len && data) {
/* set the temporary file's size */
if (lseek(fd, len - 1, SEEK_SET) == -1) {
ui_warn(op, "Unable to set file size for temporary file (%s).",
strerror(errno));
goto done;
}
if (write(fd, "", 1) != 1) {
ui_warn(op, "Unable to write file size for temporary file (%s).",
strerror(errno));
goto done;
}
/* mmap the temporary file */
if ((dst = mmap(0, len, PROT_READ | PROT_WRITE,
MAP_FILE | MAP_SHARED, fd, 0)) == (void *) -1) {
ui_warn(op, "Unable to map temporary file (%s).", strerror(errno));
goto done;
}
/* copy the data out to the file */
memcpy(dst, data, len);
}
/* set the desired permissions on the file */
if (fchmod(fd, perm) == -1) {
ui_warn(op, "Unable to set permissions %04o on temporary "
"file (%s)", perm, strerror(errno));
goto done;
}
ret = TRUE;
done:
/* unmap the temporary file */
if (dst != (void *) -1) {
if (munmap(dst, len) == -1) {
ui_warn(op, "Unable to unmap temporary file (%s).",
strerror(errno));
}
}
/* close the temporary file */
if (fd != -1) close(fd);
if (ret) {
return tmpfile;
} else {
nvfree(tmpfile);
return NULL;
}
} /* write_temp_file() */
/*
* check_libGLX_indirect_target() - Helper function for
* check_libGLX_indirect_links.
*
* Checks to see if the installer should install (or overwrite) a
* libGLX_indirect.so.0 symlink.
*
* (path) should be the path to where the symlink would be installed.
*/
static int check_libGLX_indirect_target(Options *op, const char *path)
{
char *target = NULL;
char *base = NULL;
char *ext = NULL;
struct stat stat_buf;
int ret;
if (lstat(path, &stat_buf) != 0) {
// If the file doesn't exist, then we should create it.
return TRUE;
}
if (!S_ISLNK(stat_buf.st_mode)) {
// The file is not a symlink. Leave it alone.
return FALSE;
}
if (stat(path, &stat_buf) != 0) {
// If we can't resolve the link, then overwrite it.
return TRUE;
}
// Resolve the symlink.
target = get_resolved_symlink_target(op, path);
while (target != NULL) {
// Follow any more symlinks. The fact that the stat call above
// succeeded means that the link is valid.
char *nextTarget = NULL;
if (lstat(target, &stat_buf) != 0) {
free(target);
target = NULL;
break;
}
if (!S_ISLNK(stat_buf.st_mode)) {
break;
}
nextTarget = get_resolved_symlink_target(op, target);
free(target);
target = nextTarget;
}
if (target == NULL) {
// This should never happen.
ui_error(op, "Unable to resolve symbolic link \"%s\"\n", path);
return FALSE;
}
// Find the basename of the link target.
base = basename(target);
// Strip off the extension.
ext = strchr(base, '.');
if (ext != NULL) {
*ext = '\0';
}
// Finally, see if the resulting name is "libGLX_indirect". If it is, then
// we'll assume that the existing file is a dedicated indirect rendering
// library. Otherwise, we'll assume that it's a link to another vendor
// library.
if (strcmp(base, "libGLX_indirect") == 0) {
ret = FALSE;
} else {
ret = TRUE;
}
free(target);
return ret;
}
/*
* check_libGLX_indirect_links() - Finds the entries for the
* "libGLX_indirect.so.0" symlinks, and figures out whether to install them.
*/
static void check_libGLX_indirect_links(Options *op, Package *p)
{
int i;
if (op->install_libglx_indirect == NV_OPTIONAL_BOOL_TRUE) {
// The user specified that we should install the symlink.
return;
}
// Find the entries for libGLX_indirect.so.0, and decide whether or not to
// keep them.
for (i = 0; i < p->num_entries; i++) {
if (p->entries[i].dst != NULL && p->entries[i].type == FILE_TYPE_OPENGL_SYMLINK) {
if (strcmp(p->entries[i].name, "libGLX_indirect.so.0") == 0) {
int overwrite = FALSE;
if (op->install_libglx_indirect == NV_OPTIONAL_BOOL_DEFAULT) {
if (check_libGLX_indirect_target(op, p->entries[i].dst)) {
overwrite = TRUE;
}
}
if (!overwrite) {
invalidate_package_entry(&(p->entries[i]));
}
}
}
}
}
/*
* set_destinations() - given the Options and Package structures,
* assign the destination field in each Package entry, building from
* the OpenGL and XFree86 prefixes, the path relative to the prefix,
* and the filename. This assumes that the prefixes have already been
* assigned in the Options struct.
*/
int set_destinations(Options *op, Package *p)
{
char *name;
char *dir, *path;
const char *prefix;
char *xdg_data_dir;
int i;
if (!op->kernel_module_src_dir) {
op->kernel_module_src_dir = nvstrcat("nvidia-", p->version, NULL);
}
for (i = 0; i < p->num_entries; i++) {
/* If a file type's destination was overridden, use the override */
if (op->file_type_destination_overrides[p->entries[i].type] != NULL) {
p->entries[i].dst = nvstrcat(
op->file_type_destination_overrides[p->entries[i].type], "/",
p->entries[i].name, NULL);
collapse_multiple_slashes(p->entries[i].dst);
continue;
}
switch (p->entries[i].type) {
case FILE_TYPE_KERNEL_MODULE_SRC:
case FILE_TYPE_DKMS_CONF:
if (op->no_kernel_module_source) {
/* Don't install kernel module source files if requested. */
p->entries[i].dst = NULL;
continue;
}
prefix = op->kernel_module_src_prefix;
dir = op->kernel_module_src_dir;
path = p->entries[i].path;
break;
case FILE_TYPE_OPENGL_LIB:
case FILE_TYPE_OPENGL_SYMLINK:
case FILE_TYPE_GLVND_LIB:
case FILE_TYPE_GLVND_SYMLINK:
case FILE_TYPE_GLX_CLIENT_LIB:
case FILE_TYPE_GLX_CLIENT_SYMLINK:
case FILE_TYPE_EGL_CLIENT_LIB:
case FILE_TYPE_EGL_CLIENT_SYMLINK:
if (p->entries[i].compat_arch == FILE_COMPAT_ARCH_COMPAT32) {
prefix = op->compat32_prefix;
dir = op->compat32_libdir;
} else {
prefix = op->opengl_prefix;
dir = op->opengl_libdir;
}
path = "";
break;
case FILE_TYPE_WINE_LIB:
prefix = op->wine_prefix;
dir = op->wine_libdir;
path = "";
break;
case FILE_TYPE_VDPAU_LIB:
case FILE_TYPE_VDPAU_SYMLINK:
if (p->entries[i].compat_arch == FILE_COMPAT_ARCH_COMPAT32) {
prefix = op->compat32_prefix;
dir = op->compat32_libdir;
} else {
prefix = op->opengl_prefix;
dir = op->opengl_libdir;
}
path = p->entries[i].path;
break;
case FILE_TYPE_CUDA_LIB:
case FILE_TYPE_CUDA_SYMLINK:
case FILE_TYPE_OPENCL_LIB:
case FILE_TYPE_OPENCL_WRAPPER_LIB:
case FILE_TYPE_OPENCL_LIB_SYMLINK:
case FILE_TYPE_OPENCL_WRAPPER_SYMLINK:
if (p->entries[i].compat_arch == FILE_COMPAT_ARCH_COMPAT32) {
prefix = op->compat32_prefix;
dir = op->compat32_libdir;
} else {
prefix = op->opengl_prefix;
dir = op->opengl_libdir;
}
path = p->entries[i].path;
break;
case FILE_TYPE_CUDA_ICD:
prefix = DEFAULT_CUDA_ICD_PREFIX;
dir = DEFAULT_CUDA_ICD_DIR;
path = "";
break;
case FILE_TYPE_XMODULE_SHARED_LIB:
case FILE_TYPE_GLX_MODULE_SHARED_LIB:
case FILE_TYPE_GLX_MODULE_SYMLINK:
prefix = op->x_module_path;
dir = "";
path = p->entries[i].path;
break;
case FILE_TYPE_TLS_LIB:
if (p->entries[i].compat_arch == FILE_COMPAT_ARCH_COMPAT32) {
prefix = op->compat32_prefix;
dir = op->compat32_libdir;
} else {
prefix = op->opengl_prefix;
dir = op->opengl_libdir;
}
path = p->entries[i].path;
break;
case FILE_TYPE_UTILITY_LIB:
case FILE_TYPE_UTILITY_LIB_SYMLINK:
if (p->entries[i].compat_arch == FILE_COMPAT_ARCH_COMPAT32) {
prefix = op->compat32_prefix;
dir = op->compat32_libdir;
} else {
prefix = op->utility_prefix;
dir = op->utility_libdir;
}
path = "";
break;
case FILE_TYPE_GBM_BACKEND_LIB_SYMLINK:
p->entries[i].target = nvstrcat(op->utility_prefix, "/", op->utility_libdir, "/", p->entries[i].target, NULL);
/* fallthrough */
case FILE_TYPE_GBM_BACKEND_LIB:
prefix = op->opengl_prefix;
dir = op->gbm_backend_dir;
path = "";
break;
case FILE_TYPE_NVCUVID_LIB:
case FILE_TYPE_NVCUVID_LIB_SYMLINK:
if (p->entries[i].compat_arch == FILE_COMPAT_ARCH_COMPAT32) {
prefix = op->compat32_prefix;
dir = op->compat32_libdir;
} else {
prefix = op->opengl_prefix;
dir = op->opengl_libdir;
}
path = "";
break;
case FILE_TYPE_ENCODEAPI_LIB:
case FILE_TYPE_ENCODEAPI_LIB_SYMLINK:
if (p->entries[i].compat_arch == FILE_COMPAT_ARCH_COMPAT32) {
prefix = op->compat32_prefix;
dir = op->compat32_libdir;
} else {
prefix = op->opengl_prefix;
dir = op->opengl_libdir;
}
path = "";
break;
case FILE_TYPE_VGX_LIB:
case FILE_TYPE_VGX_LIB_SYMLINK:
prefix = op->opengl_prefix;
dir = op->opengl_libdir;
path = "";
break;
case FILE_TYPE_GRID_LIB:
case FILE_TYPE_GRID_LIB_SYMLINK:
case FILE_TYPE_FLEXERA_LIB:
case FILE_TYPE_FLEXERA_LIB_SYMLINK:
prefix = op->opengl_prefix;
dir = op->opengl_libdir;
path = p->entries[i].path;
break;
case FILE_TYPE_INSTALLER_BINARY:
prefix = op->utility_prefix;
dir = op->utility_bindir;
path = "";
break;
case FILE_TYPE_DOCUMENTATION:
prefix = op->documentation_prefix;
dir = op->documentation_docdir;
path = p->entries[i].path;
break;
case FILE_TYPE_MANPAGE:
case FILE_TYPE_NVIDIA_MODPROBE_MANPAGE:
prefix = op->documentation_prefix;
dir = op->documentation_mandir;
path = p->entries[i].path;
break;
case FILE_TYPE_APPLICATION_PROFILE:
prefix = op->application_profile_path;
dir = path = "";
break;
case FILE_TYPE_UTILITY_BINARY:
case FILE_TYPE_UTILITY_BIN_SYMLINK:
prefix = op->utility_prefix;
dir = op->utility_bindir;
path = "";
break;
case FILE_TYPE_DOT_DESKTOP:
xdg_data_dir = get_xdg_data_dir();
if (xdg_data_dir) {
prefix = xdg_data_dir;
dir = nvstrdup("applications");
} else {
prefix = op->utility_prefix;
dir = op->dot_desktopdir;
}
path = "";
break;
case FILE_TYPE_KERNEL_MODULE:
/*
* the kernel module dst field has already been
* initialized in add_kernel_module_to_package()
*/
continue;
case FILE_TYPE_MODULE_SIGNING_KEY:
prefix = op->module_signing_key_path;
dir = path = "";
break;
case FILE_TYPE_EXPLICIT_PATH:
case FILE_TYPE_NVIDIA_MODPROBE:
prefix = p->entries[i].path;
dir = path = "";
break;
case FILE_TYPE_XORG_OUTPUTCLASS_CONFIG:
prefix = op->x_sysconfig_path;
dir = path = "";
break;
case FILE_TYPE_VULKAN_ICD_JSON:
/*
* Defined by the Vulkan Linux ICD loader specification.
*/
prefix = "/etc/vulkan/";
path = p->entries[i].path;
dir = "";
break;
case FILE_TYPE_GLVND_EGL_ICD_JSON:
// We'll set this path later in check_libglvnd_files. We have to
// wait until we figure out whether we're going to install our own
// build of the libglvnd libraries, which will determine where the
// JSON file goes.
p->entries[i].dst = NULL;
continue;
case FILE_TYPE_EGL_EXTERNAL_PLATFORM_JSON:
prefix = op->external_platform_json_path;
dir = path = "";
break;
case FILE_TYPE_INTERNAL_UTILITY_BINARY:
case FILE_TYPE_INTERNAL_UTILITY_LIB:
case FILE_TYPE_INTERNAL_UTILITY_DATA:
if (p->entries[i].compat_arch == FILE_COMPAT_ARCH_COMPAT32) {
// TODO: Avoid the chroot stuff below for this?
prefix = "/usr/lib/nvidia/32";
} else {
prefix = "/usr/lib/nvidia";
}
dir = path = "";
break;
case FILE_TYPE_FIRMWARE:
prefix = nvstrcat("/lib/firmware/nvidia/", p->version, "/", NULL);
path = p->entries[i].path;
dir = "";
break;
case FILE_TYPE_SYSTEMD_UNIT:
prefix = op->systemd_unit_prefix;
dir = path = "";
break;
case FILE_TYPE_SYSTEMD_UNIT_SYMLINK:
/*
* Construct the symlink target from the systemd unit prefix and
* symlink name.
*/
p->entries[i].target = nvstrcat(op->systemd_unit_prefix, "/", p->entries[i].name, NULL);
prefix = op->systemd_sysconf_prefix;
path = p->entries[i].path;
dir = "";
break;
case FILE_TYPE_SYSTEMD_SLEEP_SCRIPT:
prefix = op->systemd_sleep_prefix;
dir = path = "";
break;
default:
/*
* silently ignore anything that doesn't match; libraries
* of the wrong TLS class may fall in here, for example.
*/
p->entries[i].dst = NULL;
continue;
}
if ((prefix == NULL) || (dir == NULL) || (path == NULL)) {
p->entries[i].dst = NULL;
continue;
}
name = p->entries[i].name;
p->entries[i].dst = nvstrcat(prefix, "/", dir, "/", path, "/", name, NULL);
collapse_multiple_slashes(p->entries[i].dst);
#if defined(NV_X86_64)
if ((p->entries[i].compat_arch == FILE_COMPAT_ARCH_COMPAT32) &&
(op->compat32_chroot != NULL)) {
/*
* prepend an additional prefix; this is currently only
* used for Debian GNU/Linux on Linux/x86-64, but may see
* more use in the future.
*/
char *dst = p->entries[i].dst;
p->entries[i].dst = nvstrcat(op->compat32_chroot, dst, NULL);
nvfree(dst);
}
#endif /* NV_X86_64 */
}
return TRUE;
} /* set_destinations() */
/*
* get_prefixes() - if in expert mode, ask the user for the OpenGL and
* XFree86 installation prefix. The default prefixes are already set
* in parse_commandline().
*/
int get_prefixes (Options *op)
{
char *ret;
if (op->expert) {
ret = ui_get_input(op, op->x_prefix,
"X installation prefix (only under "
"rare circumstances should this be changed "
"from the default)");
if (ret && ret[0]) {
op->x_prefix = ret;
if (!confirm_path(op, op->x_prefix)) return FALSE;
}
}
remove_trailing_slashes(op->x_prefix);
ui_expert(op, "X installation prefix is: '%s'", op->x_prefix);
/*
* assign the X module and library paths; this must be done
* after the default prefixes/paths are assigned.
*/
if (op->x_files_packaged) {
get_x_library_and_module_paths(op);
}
if (op->expert) {
ret = ui_get_input(op, op->x_library_path,
"X library installation path (only under "
"rare circumstances should this be changed "
"from the default)");
if (ret && ret[0]) {
op->x_library_path = ret;
if (!confirm_path(op, op->x_library_path)) return FALSE;
}
}
remove_trailing_slashes(op->x_library_path);
ui_expert(op, "X library installation path is: '%s'", op->x_library_path);
if (op->expert) {
ret = ui_get_input(op, op->x_module_path,
"X module installation path (only under "
"rare circumstances should this be changed "
"from the default)");
if (ret && ret[0]) {
op->x_module_path = ret;
if (!confirm_path(op, op->x_module_path)) return FALSE;
}
}
remove_trailing_slashes(op->x_module_path);
ui_expert(op, "X module installation path is: '%s'", op->x_module_path);
if (op->expert) {
ret = ui_get_input(op, op->opengl_prefix,
"OpenGL installation prefix (only under "
"rare circumstances should this be changed "
"from the default)");
if (ret && ret[0]) {
op->opengl_prefix = ret;
if (!confirm_path(op, op->opengl_prefix)) return FALSE;
}
}
remove_trailing_slashes(op->opengl_prefix);
ui_expert(op, "OpenGL installation prefix is: '%s'", op->opengl_prefix);
if (op->expert) {
ret = ui_get_input(op, op->documentation_prefix,
"Documentation installation prefix (only under "
"rare circumstances should this be changed "
"from the default)");
if (ret && ret[0]) {
op->documentation_prefix = ret;
if (!confirm_path(op, op->documentation_prefix)) return FALSE;
}
}
remove_trailing_slashes(op->documentation_prefix);
ui_expert(op, "Documentation installation prefix is: '%s'", op->documentation_prefix);
if (op->expert) {
ret = ui_get_input(op, op->utility_prefix,
"Utility installation prefix (only under "
"rare circumstances should this be changed "
"from the default)");
if (ret && ret[0]) {
op->utility_prefix = ret;
if (!confirm_path(op, op->utility_prefix)) return FALSE;
}
}
remove_trailing_slashes(op->utility_prefix);
ui_expert(op, "Utility installation prefix is: '%s'", op->utility_prefix);
if (op->expert) {
op->no_kernel_module_source =
!ui_yes_no(op, !op->no_kernel_module_source,
"Do you want to install kernel module sources?");
}
if (!op->no_kernel_module_source) {
if (op->expert) {
ret = ui_get_input(op, op->kernel_module_src_prefix,
"Kernel module source installation prefix");
if (ret && ret[0]) {
op->kernel_module_src_prefix = ret;
if (!confirm_path(op, op->kernel_module_src_prefix))
return FALSE;
}
}
remove_trailing_slashes(op->kernel_module_src_prefix);
ui_expert(op, "Kernel module source installation prefix is: '%s'",
op->kernel_module_src_prefix);
if (op->expert) {
ret = ui_get_input(op, op->kernel_module_src_dir,
"Kernel module source installation directory");
if (ret && ret[0]) {
op->kernel_module_src_dir = ret;
if (!confirm_path(op, op->kernel_module_src_dir)) return FALSE;
}
}
remove_trailing_slashes(op->kernel_module_src_dir);
ui_expert(op, "Kernel module source installation directory is: '%s'",
op->kernel_module_src_dir);
}
#if defined(NV_X86_64)
if (op->expert) {
ret = ui_get_input(op, op->compat32_chroot,
"Compat32 installation chroot (only under "
"rare circumstances should this be "
"changed from the default)");
if (ret && ret[0]) {
op->compat32_chroot = ret;
if (!confirm_path(op, op->compat32_chroot)) return FALSE;
}
}
remove_trailing_slashes(op->compat32_chroot);
ui_expert(op, "Compat32 installation chroot is: '%s'",
op->compat32_chroot);
if (op->expert) {
ret = ui_get_input(op, op->compat32_prefix,
"Compat32 installation prefix (only under "
"rare circumstances should this be "
"changed from the default)");
if (ret && ret[0]) {
op->compat32_prefix = ret;
if (!confirm_path(op, op->compat32_prefix)) return FALSE;
}
}
remove_trailing_slashes(op->compat32_prefix);
ui_expert(op, "Compat32 installation prefix is: '%s'",
op->compat32_prefix);
#endif /* NV_X86_64 */
return TRUE;
} /* get_prefixes() */
/*
* add_kernel_module_helper() - append a kernel module (contained in
* p->kernel_module_build_directory/subdir) to the package list.
*/
static void add_kernel_module_helper(Options *op, Package *p,
const char *filename)
{
char *file, *name, *dst;
file = nvstrcat(p->kernel_module_build_directory, "/", filename, NULL);
name = strrchr(file, '/');
if (name && name[0]) {
name++;
}
if (!name || !name[0]) {
name = file;
}
dst = nvstrcat(op->kernel_module_installation_path, "/", filename, NULL);
add_package_entry(p,
file,
NULL, /* path */
name,
NULL, /* target */
dst,
FILE_TYPE_KERNEL_MODULE,
FILE_COMPAT_ARCH_NONE,
0644);
}
/*
* add_kernel_modules_to_package() - add any to-be-installed kernel modules
* to the package list for installation.
*/
void add_kernel_modules_to_package(Options *op, Package *p)
{
int i;
for (i = 0; i < p->num_kernel_modules; i++) {
add_kernel_module_helper(op, p, p->kernel_modules[i].module_filename);
}
}
/*
* Invalidate each package entry that is not type
* FILE_TYPE_KERNEL_MODULE{,_SRC} or FILE_TYPE_DKMS_CONF.
*/
void remove_non_kernel_module_files_from_package(Package *p)
{
int i;
for (i = 0; i < p->num_entries; i++) {
if ((p->entries[i].type != FILE_TYPE_KERNEL_MODULE) &&
(p->entries[i].type != FILE_TYPE_KERNEL_MODULE_SRC) &&
(p->entries[i].type != FILE_TYPE_DKMS_CONF)) {
invalidate_package_entry(&(p->entries[i]));
}
}
}
/*
* package_entry_is_in_kernel_module_build_directory() - returns TRUE if the
* package entry at index i is in p->kernel_module_build_directory.
*/
static int package_entry_is_in_kernel_module_build_directory(Package *p, int i)
{
const char *build_dir = p->kernel_module_build_directory;
const char *file = p->entries[i].file;
const char *cwd_prefix = "./";
/* Remove any leading "./" */
while (strncmp(build_dir, cwd_prefix, strlen(cwd_prefix)) == 0) {
build_dir += strlen(cwd_prefix);
}
while (strncmp(file, cwd_prefix, strlen(cwd_prefix)) == 0) {
file += strlen(cwd_prefix);
}
/* Check if the build directory is an initial substring of the file path */
if (strncmp(file, build_dir, strlen(build_dir)) == 0) {
if (build_dir[strlen(build_dir) - 1] == '/') {
/* If the last character of the directory name is a '/', then the
* strncmp(3) test above matched the full directory name, including
* a trailing directory separator character. */
return TRUE;
}
if (file[strlen(build_dir)] == '/') {
/* If the next character after the matched portion of the file name
* is a '/', then the directory name match is not a partial one. */
return TRUE;
}
}
return FALSE;
}
void remove_non_installed_kernel_module_source_files_from_package(Package *p)
{
int i;
for (i = 0; i < p->num_entries; i++) {
if (p->entries[i].type == FILE_TYPE_KERNEL_MODULE_SRC) {
if (!package_entry_is_in_kernel_module_build_directory(p, i)) {
invalidate_package_entry(&(p->entries[i]));
}
}
}
}
/*
* Invalidate each package entry that is an OpenGL file
*/
void remove_opengl_files_from_package(Package *p)
{
int i;
for (i = 0; i < p->num_entries; i++) {
if (p->entries[i].caps.is_opengl) {
invalidate_package_entry(&(p->entries[i]));
}
}
}
/*
* Invalidate each package entry that is an Wine file
*/
void remove_wine_files_from_package(Package *p)
{
int i;
for (i = 0; i < p->num_entries; i++) {
if (p->entries[i].type == FILE_TYPE_WINE_LIB) {
invalidate_package_entry(&(p->entries[i]));
}
}
}
/*
* Invalidate each package entry that is a systemd file
*/
void remove_systemd_files_from_package(Package *p)
{
int i;
for (i = 0; i < p->num_entries; i++) {
if (p->entries[i].type == FILE_TYPE_SYSTEMD_UNIT ||
p->entries[i].type == FILE_TYPE_SYSTEMD_UNIT_SYMLINK ||
p->entries[i].type == FILE_TYPE_SYSTEMD_SLEEP_SCRIPT) {
invalidate_package_entry(&(p->entries[i]));
}
}
}
/*
* mode_string_to_mode() - convert the string s
*/
int mode_string_to_mode(Options *op, char *s, mode_t *mode)
{
char *endptr;
long int ret;
ret = strtol(s, &endptr, 8);
if ((ret == LONG_MIN) || (ret == LONG_MAX) || (*endptr != '\0')) {
ui_error(op, "Error parsing permission string '%s' (%s)",
s, strerror (errno));
return FALSE;
}
*mode = (mode_t) ret;
return TRUE;
} /* mode_string_to_mode() */
/*
* mode_to_permission_string() - given a mode bitmask, allocate and
* write a permission string.
*/
char *mode_to_permission_string(mode_t mode)
{
char *s = (char *) nvalloc(10);
memset (s, '-', 9);
if (mode & (1 << 8)) s[0] = 'r';
if (mode & (1 << 7)) s[1] = 'w';
if (mode & (1 << 6)) s[2] = 'x';
if (mode & (1 << 5)) s[3] = 'r';
if (mode & (1 << 4)) s[4] = 'w';
if (mode & (1 << 3)) s[5] = 'x';
if (mode & (1 << 2)) s[6] = 'r';
if (mode & (1 << 1)) s[7] = 'w';
if (mode & (1 << 0)) s[8] = 'x';
s[9] = '\0';
return s;
} /* mode_to_permission_string() */
/*
* confirm_path() - check that the path exists; if not, ask the user
* if it's OK to create it and then do mkdir().
*
* XXX for a while, I had thought that it would be better for this
* function to only ask the user if it was OK to create the directory;
* there are just too many reasons why mkdir might fail, though, so
* it's better to do mkdir() so that we can fail at this point in the
* installation.
*/
int confirm_path(Options *op, const char *path)
{
const char *choices[2] = {
"Create directory",
"Abort installation"
};
/* return TRUE if the path already exists and is a directory */
if (directory_exists(path)) return TRUE;
if (ui_multiple_choice(op, choices, 2, 0, "The directory '%s' does not "
"exist; would you like to create it, or would you "
"prefer to abort installation?", path) == 0) {
if (mkdir_with_log(op, path, 0755)) {
return TRUE;
} else {
return FALSE;
}
}
ui_message(op, "Not creating directory '%s'; aborting installation.",
path);
return FALSE;
} /* confirm_path() */
/*
* mkdir_recursive() - create the path specified, also creating parent
* directories as needed; this is equivalent to `mkdir -p`. Log created
* directories if the "log" parameter is set.
*/
int mkdir_recursive(Options *op, const char *path, const mode_t mode, int log)
{
char *error_str = NULL;
char *log_str = NULL;
int success = FALSE;
success = nv_mkdir_recursive(path, mode, &error_str, log ? &log_str : NULL);
if (log_str) {
log_mkdir(op, log_str);
free(log_str);
}
if (error_str) {
ui_error(op, "%s", error_str);
free(error_str);
}
return success;
}
/*
* mkdir_with_log() - Wrap mkdir_recursive() to create the path specified
* with any needed parent directories.
*/
int mkdir_with_log(Options *op, const char *path, const mode_t mode)
{
return mkdir_recursive(op, path, mode, TRUE);
}
/*
* get_symlink_target() - get the target of the symbolic link
* 'filename'. On success, a newly malloced string containing the
* target is returned. On error, an error message is printed and NULL
* is returned.
*/
char *get_symlink_target(Options *op, const char *filename)
{
struct stat stat_buf;
int ret, len = 0;
char *buf = NULL;
if (lstat(filename, &stat_buf) == -1) {
ui_error(op, "Unable to get file properties for '%s' (%s).",
filename, strerror(errno));
return NULL;
}
if (!S_ISLNK(stat_buf.st_mode)) {
ui_error(op, "File '%s' is not a symbolic link.", filename);
return NULL;
}
/*
* grow the buffer to be passed into readlink(2), until the buffer
* is big enough to hold the whole target.
*/
do {
len += NV_LINE_LEN;
if (buf) free(buf);
buf = nvalloc(len);
ret = readlink(filename, buf, len - 1);
if (ret == -1) {
ui_error(op, "Failure while reading target of symbolic "
"link %s (%s).", filename, strerror(errno));
free(buf);
return NULL;
}
} while (ret >= (len - 1));
buf[ret] = '\0';
return buf;
} /* get_symlink_target() */
/*
* get_resolved_symlink_target() - same as get_symlink_target, except that
* relative links get resolved to an absolute path.
*/
char * get_resolved_symlink_target(Options *op, const char *filename)
{
char *target = get_symlink_target(op, filename);
if (target[0] != '/') {
/* target is relative; canonicalize */
char *filename_copy, *target_dir, *full_target_path;
/* dirname(3) may modify the string passed into it; make a copy */
filename_copy = nvstrdup(filename);
target_dir = dirname(filename_copy);
full_target_path = nvstrcat(target_dir, "/", target, NULL);
nvfree(filename_copy);
nvfree(target);
target = nvalloc(PATH_MAX);
target = realpath(full_target_path, target);
nvfree(full_target_path);
}
return target;
} /* get_resolved_symlink_target() */
/*
* install_file() - install srcfile as dstfile; this is done by
* extracting the directory portion of dstfile, and then calling
* copy_file().
*/
int install_file(Options *op, const char *srcfile,
const char *dstfile, mode_t mode)
{
int retval;
char *dirc, *dname;
dirc = nvstrdup(dstfile);
dname = dirname(dirc);
if (!mkdir_with_log(op, dname, 0755)) {
free(dirc);
return FALSE;
}
retval = copy_file(op, srcfile, dstfile, mode);
free(dirc);
return retval;
} /* install_file() */
/*
* install_symlink() - install dstfile as a symlink to linkname; this
* is done by extracting the directory portion of dstfile, creating
* that directory if it does not exist, and then calling symlink().
*/
int install_symlink(Options *op, const char *linkname, const char *dstfile)
{
char *dirc, *dname;
dirc = nvstrdup(dstfile);
dname = dirname(dirc);
if (!mkdir_with_log(op, dname, 0755)) {
free(dirc);
return FALSE;
}
if (symlink(linkname, dstfile)) {
free(dirc);
return FALSE;
}
free(dirc);
return TRUE;
} /* install_symlink() */
size_t get_file_size(Options *op, const char *filename)
{
struct stat stat_buf;
if (stat(filename, &stat_buf) == -1) {
ui_error(op, "Unable to determine file size of '%s' (%s).",
filename, strerror(errno));
return 0;
}
return stat_buf.st_size;
} /* get_file_size() */
size_t fget_file_size(Options *op, const int fd)
{
struct stat stat_buf;
if (fstat(fd, &stat_buf) == -1) {
ui_error(op, "Unable to determine file size of file "
"descriptor %d (%s).", fd, strerror(errno));
return 0;
}
return stat_buf.st_size;
} /* fget_file_size() */
char *get_tmpdir(Options *op)
{
char *tmpdirs[] = { NULL, "/tmp", ".", NULL };
int i;
tmpdirs[0] = getenv("TMPDIR");
tmpdirs[3] = getenv("HOME");
for (i = 0; i < 4; i++) {
if (tmpdirs[i] && directory_exists(tmpdirs[i])) {
return (tmpdirs[i]);
}
}
return NULL;
} /* get_tmpdir() */
/*
* make_tmpdir() - create a temporary directory; XXX we should really
* use mkdtemp, but it is not available on all systems.
*/
char *make_tmpdir(Options *op)
{
char tmp[32], *tmpdir;
snprintf(tmp, 32, "%d", getpid());
tmpdir = nvstrcat(op->tmpdir, "/nvidia-", tmp, NULL);
if (directory_exists(tmpdir)) {
remove_directory(op, tmpdir);
}
if (!mkdir_recursive(op, tmpdir, 0655, FALSE)) {
return NULL;
}
return tmpdir;
} /* make_tmpdir() */
/*
* nvrename() - replacement for rename(2), because rename(2) can't
* cross filesystem boundaries. Get the src file attributes, copy the
* src file to the dst file, stamp the dst file with the src file's
* timestamp, and delete the src file. Returns FALSE on error, TRUE
* on success.
*/
int nvrename(Options *op, const char *src, const char *dst)
{
struct stat stat_buf;
struct utimbuf utime_buf;
if (stat(src, &stat_buf) == -1) {
ui_error(op, "Unable to determine file attributes of file "
"%s (%s).", src, strerror(errno));
return FALSE;
}
if (!copy_file(op, src, dst, stat_buf.st_mode)) return FALSE;
utime_buf.actime = stat_buf.st_atime; /* access time */
utime_buf.modtime = stat_buf.st_mtime; /* modification time */
if (utime(dst, &utime_buf) == -1) {
ui_warn(op, "Unable to transfer timestamp from '%s' to '%s' (%s).",
src, dst, strerror(errno));
}
if (unlink(src) == -1) {
ui_error(op, "Unable to delete '%s' (%s).", src, strerror(errno));
return FALSE;
}
return TRUE;
} /* nvrename() */
/*
* check_for_existing_rpms() - check if any of the previous NVIDIA
* rpms are installed on the system. If we find any, ask the user if
* we may remove them.
*/
int check_for_existing_rpms(Options *op)
{
/* list of rpms to remove; should be in dependency order */
const char *rpms[2] = { "NVIDIA_GLX", "NVIDIA_kernel" };
char *data, *cmd;
int i, ret;
if (op->no_rpms) {
ui_log(op, "Skipping check for conflicting rpms.");
return TRUE;
}
for (i = 0; i < 2; i++) {
cmd = nvstrcat("env LD_KERNEL_ASSUME=2.2.5 rpm --query ",
rpms[i], NULL);
ret = run_command(op, cmd, NULL, FALSE, 0, TRUE);
nvfree(cmd);
if (ret == 0) {
if (ui_multiple_choice(op, CONTINUE_ABORT_CHOICES,
NUM_CONTINUE_ABORT_CHOICES,
CONTINUE_CHOICE, /* Default choice */
"An %s rpm appears to already be installed "
"on your system. As part of installing the "
"new driver, this %s rpm will be "
"uninstalled. Are you sure you want to "
"continue?",
rpms[i], rpms[i]) == ABORT_CHOICE) {
ui_log(op, "Installation aborted.");
return FALSE;
}
cmd = nvstrcat("rpm --erase --nodeps ", rpms[i], NULL);
ret = run_command(op, cmd, &data, op->expert, 0, TRUE);
nvfree(cmd);
if (ret == 0) {
ui_log(op, "Removed %s.", rpms[i]);
} else {
ui_warn(op, "Unable to erase %s rpm: %s", rpms[i], data);
}
nvfree(data);
}
}
return TRUE;
} /* check_for_existing_rpms() */
/*
* copy_directory_contents() - recursively copy the contents of directory src to
* directory dst. Special files are ignored.
*/
int copy_directory_contents(Options *op, const char *src, const char *dst)
{
DIR *dir;
struct dirent *ent;
int status = FALSE;
if ((dir = opendir(src)) == NULL) {
ui_error(op, "Unable to open directory '%s' (%s).",
src, strerror(errno));
return FALSE;
}
while ((ent = readdir(dir)) != NULL) {
struct stat stat_buf;
char *srcfile, *dstfile;
int ret;
if (((strcmp(ent->d_name, ".")) == 0) ||
((strcmp(ent->d_name, "..")) == 0)) continue;
srcfile = nvstrcat(src, "/", ent->d_name, NULL);
dstfile = nvstrcat(dst, "/", ent->d_name, NULL);
ret = (stat(srcfile, &stat_buf) != -1);
if (ret) {
/* recurse into subdirectories */
if (S_ISDIR(stat_buf.st_mode)) {
ret = mkdir_recursive(op, dstfile, stat_buf.st_mode, FALSE) &&
copy_directory_contents(op, srcfile, dstfile);
} else if (S_ISREG(stat_buf.st_mode)) {
ret = copy_file(op, srcfile, dstfile, stat_buf.st_mode);
}
}
nvfree(srcfile);
nvfree(dstfile);
if (!ret) {
goto done;
}
}
status = TRUE;
done:
if (closedir(dir) != 0) {
ui_error(op, "Failure while closing directory '%s' (%s).",
src, strerror(errno));
return FALSE;
}
return status;
}
/*
* pack_precompiled_files() - Create a new precompiled files package for the
* given PrecompiledFileInfo array and save it to disk.
*/
int pack_precompiled_files(Options *op, Package *p, int num_files,
PrecompiledFileInfo *files)
{
char time_str[256], *proc_version_string;
char *outfile, *descr;
time_t t;
struct utsname buf;
int ret;
PrecompiledInfo *info;
ui_log(op, "Packaging precompiled kernel interface.");
/* make sure the precompiled_kernel_interface_directory exists */
if (!mkdir_recursive(op, p->precompiled_kernel_interface_directory, 0755,
FALSE)) {
ui_error(op, "Failed to create the directory '%s'!",
p->precompiled_kernel_interface_directory);
return FALSE;
}
/* use the time in the output string... should be fairly unique */
t = time(NULL);
snprintf(time_str, 256, "%lu", t);
/* use the uname string as the description */
if (uname(&buf) != 0) {
ui_error(op, "Failed to retrieve uname identifiers from the kernel!");
return FALSE;
}
descr = nvstrcat(buf.sysname, " ",
buf.release, " ",
buf.version, " ",
buf.machine, NULL);
/* read the proc version string */
proc_version_string = read_proc_version(op, op->proc_mount_point);
/* build the PrecompiledInfo struct */
info = nvalloc(sizeof(PrecompiledInfo));
outfile = nvstrcat(p->precompiled_kernel_interface_directory, "/",
PRECOMPILED_PACKAGE_FILENAME, "-", p->version,
".", time_str, NULL);
info->version = nvstrdup(p->version);
info->proc_version_string = proc_version_string;
info->description = descr;
info->num_files = num_files;
info->files = files;
ret = precompiled_pack(info, outfile);
nvfree(outfile);
free_precompiled(info);
if (ret) {
return TRUE;
}
else {
/* XXX precompiled_pack() never fails */
ui_error(op, "Unable to package precompiled kernel interface.");
return FALSE;
}
}
/*
* nv_strreplace() - we can't assume that the user has sed installed
* on their system, so use this function to perform simple string
* search and replacement. Returns a newly allocated string that is a
* duplicate of src, with all instances of 'orig' replaced with
* 'replace'.
*/
char *nv_strreplace(const char *src, const char *orig, const char *replace)
{
const char *prev_s, *end_s, *s;
char *d, *dst;
int len, dst_len, orig_len, replace_len;
int done = 0;
prev_s = s = src;
end_s = src + strlen(src) + 1;
dst = NULL;
dst_len = 0;
orig_len = strlen(orig);
replace_len = strlen(replace);
do {
/* find the next instances of orig in src */
s = strstr(prev_s, orig);
/*
* if no match, then flag that we are done once we finish
* copying the src into dst
*/
if (!s) {
s = end_s;
done = 1;
}
/* copy the characters between prev_s and s into dst */
len = s - prev_s;
dst = realloc(dst, dst_len + len + 1);
d = dst + dst_len;
strncpy(d, prev_s, len);
d[len] = '\0';
dst_len += len;
/* if we are not done, then append the replace string */
if (!done) {
dst = realloc(dst, dst_len + replace_len + 1);
d = dst + dst_len;
memcpy(d, replace, replace_len);
d[replace_len] = '\0';
dst_len += replace_len;
}
/* skip past the orig string */
if (!done) prev_s = s + orig_len;
} while (!done);
return dst;
} /* nv_strreplace() */
/*
* process_template_file() - copy the specified template file to
* a temporary file, replacing specified tokens with specified
* replacement strings. Return the temporary file's path to the
* caller or NULL, if an error occurs.
*/
char *process_template_file(Options *op, PackageEntry *pe,
char **tokens, char **replacements)
{
int failed, src_fd, dst_fd, len;
struct stat stat_buf;
char *src, *dst, *tmp, *tmp0, *tmpfile = NULL;
char *token, *replacement;
failed = FALSE;
src_fd = dst_fd = -1;
tmp = tmp0 = src = dst = tmpfile = NULL;
len = 0;
/* open the file */
if ((src_fd = open(pe->file, O_RDONLY)) == -1) {
ui_error(op, "Unable to open '%s' for copying (%s)",
pe->file, strerror(errno));
return NULL;
}
/* get the size of the file */
if (fstat(src_fd, &stat_buf) == -1) {
ui_error(op, "Unable to determine size of '%s' (%s)",
pe->file, strerror(errno));
failed = TRUE; goto done;
}
/* mmap the file */
if ((src = mmap(0, stat_buf.st_size, PROT_READ,
MAP_FILE|MAP_SHARED, src_fd, 0)) == MAP_FAILED) {
ui_error (op, "Unable to map source file '%s' for "
"copying (%s)", pe->file, strerror(errno));
src = NULL;
failed = TRUE; goto done;
}
if (!src) {
ui_log(op, "%s is empty; skipping.", pe->file);
failed = TRUE; goto done;
}
/*
* allocate a string to hold the contents of the mmap'ed file,
* plus explicit NULL termination
*/
tmp = nvalloc(stat_buf.st_size + 1);
memcpy(tmp, src, stat_buf.st_size);
tmp[stat_buf.st_size] = '\0';
/* setup to walk the tokens and replacements arrays */
token = *tokens;
replacement = *replacements;
while (token != NULL && replacement != NULL) {
/*
* Replace any occurrences of 'token' with 'replacement' in
* the source string and free the source
*/
tmp0 = nv_strreplace(tmp, token, replacement);
nvfree(tmp);
tmp = tmp0;
token = *(++tokens);
replacement = *(++replacements);
}
/* create a temporary file to store the processed template file */
tmpfile = nvstrcat(op->tmpdir, "/template-XXXXXX", NULL);
if ((dst_fd = mkstemp(tmpfile)) == -1) {
ui_error(op, "Unable to create temporary file (%s)",
strerror(errno));
failed = TRUE; goto done;
}
/* set the size of the new file */
len = strlen(tmp);
if (lseek(dst_fd, len - 1, SEEK_SET) == -1) {
ui_error(op, "Unable to set file size for '%s' (%s)",
tmpfile, strerror(errno));
failed = TRUE; goto done;
}
if (write(dst_fd, "", 1) != 1) {
ui_error(op, "Unable to write file size for '%s' (%s)",
tmpfile, strerror(errno));
failed = TRUE; goto done;
}
/* mmap the new file */
if ((dst = mmap(0, len, PROT_READ | PROT_WRITE,
MAP_FILE|MAP_SHARED, dst_fd, 0)) == MAP_FAILED) {
ui_error(op, "Unable to map destination file '%s' for "
"copying (%s)", tmpfile, strerror(errno));
dst = NULL;
failed = TRUE; goto done;
}
/* write the processed data out to the temporary file */
memcpy(dst, tmp, len);
done:
if (src) {
if (munmap(src, stat_buf.st_size) == -1) {
ui_error(op, "Unable to unmap source file '%s' after "
"copying (%s)", pe->file,
strerror(errno));
}
}
if (dst) {
if (munmap(dst, len) == -1) {
ui_error (op, "Unable to unmap destination file '%s' "
"after copying (%s)", tmpfile, strerror(errno));
}
}
if (src_fd != -1) close(src_fd);
if (dst_fd != -1) {
close(dst_fd);
/* in case an error occurred, delete the temporary file */
if (failed) unlink(tmpfile);
}
if (failed) {
nvfree(tmpfile); tmpfile = NULL;
}
nvfree(tmp);
return tmpfile;
} /* process_template_files() */
/*
* process_dot_desktop_files() - for any .desktop files in the
* package, copy them to a temporary file, replacing __UTILS_PATH__
* and __PIXMAP_PATH__ as appropriate. Then, add the new file to
* the package list.
*/
void process_dot_desktop_files(Options *op, Package *p)
{
int i;
char *tmpfile;
char *tokens[3] = { "__UTILS_PATH__", "__PIXMAP_PATH__", NULL };
char *replacements[3] = { NULL, NULL, NULL };
int package_num_entries = p->num_entries;
replacements[0] = nvstrcat(op->utility_prefix,
"/", op->utility_bindir, NULL);
remove_trailing_slashes(replacements[0]);
collapse_multiple_slashes(replacements[0]);
for (i = 0; i < package_num_entries; i++) {
if ((p->entries[i].type == FILE_TYPE_DOT_DESKTOP)) {
/* invalidate the template file */
invalidate_package_entry(&(p->entries[i]));
nvfree(replacements[1]);
replacements[1] = nvstrcat(op->documentation_prefix,
"/", op->documentation_docdir,
"/", p->entries[i].path,
NULL);
remove_trailing_slashes(replacements[1]);
collapse_multiple_slashes(replacements[1]);
tmpfile = process_template_file(op, &p->entries[i], tokens,
replacements);
if (tmpfile != NULL) {
/* add this new file to the package */
/*
* XXX 'name' is the basename (non-directory part) of
* the file to be installed; normally, 'name' just
* points into 'file', but in this case 'file' is
* mkstemp(3)-generated, so doesn't have the same
* basename; instead, we just strdup the name from the
* template package entry; yes, 'name' will get leaked
*/
add_package_entry(p,
tmpfile,
nvstrdup(p->entries[i].path),
nvstrdup(p->entries[i].name),
NULL, /* target */
NULL, /* dst */
FILE_TYPE_DOT_DESKTOP,
p->entries[i].compat_arch,
p->entries[i].mode);
}
}
}
nvfree(replacements[0]);
nvfree(replacements[1]);
} /* process_dot_desktop_files() */
/*
* process_dkms_conf() - copy dkms.conf to a temporary file and perform
* some substitutions. Then, add the new file to the package list.
*/
void process_dkms_conf(Options *op, Package *p)
{
int i;
char *tmpfile;
char *tokens[] = { "__VERSION_STRING", "__DKMS_MODULES", "__JOBS",
"__EXCLUDE_MODULES", "will be generated",
"__IGNORE_CC_MISMATCH", NULL };
char *replacements[] = { p->version, NULL, NULL,
p->excluded_kernel_modules,
"was generated", NULL, NULL };
int package_num_entries = p->num_entries;
replacements[1] = nvstrdup("");
replacements[2] = nvasprintf("%d", op->concurrency_level);
replacements[5] = op->ignore_cc_version_check ? "1" : "";
/* Build the list of kernel modules to be installed */
for (i = 0; i < p->num_kernel_modules; i++) {
char *old_modules = replacements[1];
char *index = nvasprintf("%d", i);
replacements[1] = nvstrcat(old_modules,
"BUILT_MODULE_NAME[", index, "]=\"",
p->kernel_modules[i].module_name, "\"\n",
"DEST_MODULE_LOCATION[", index, "]=",
"\"/kernel/drivers/video\"\n", NULL);
nvfree(index);
nvfree(old_modules);
}
for (i = 0; i < package_num_entries; i++) {
if ((p->entries[i].type == FILE_TYPE_DKMS_CONF)) {
/* invalidate the template file */
invalidate_package_entry(&(p->entries[i]));
/* only process template files that are in the build directory */
if (package_entry_is_in_kernel_module_build_directory(p, i)) {
tmpfile = process_template_file(op, &p->entries[i], tokens,
replacements);
if (tmpfile != NULL) {
/* add this new file to the package */
/*
* XXX 'name' is the basename (non-directory part) of
* the file to be installed; normally, 'name' just
* points into 'file', but in this case 'file' is
* mkstemp(3)-generated, so doesn't have the same
* basename; instead, we just strdup the name from the
* template package entry; yes, 'name' will get leaked
*/
add_package_entry(p,
tmpfile,
nvstrdup(p->entries[i].path),
nvstrdup(p->entries[i].name),
NULL, /* target */
NULL, /* dst */
FILE_TYPE_DKMS_CONF,
p->entries[i].compat_arch,
p->entries[i].mode);
}
}
}
}
nvfree(replacements[2]);
nvfree(replacements[1]);
}
/*
* set_security_context() - set the security context of the file to 'type'
* Returns TRUE on success or if SELinux is disabled, FALSE otherwise
*/
int set_security_context(Options *op, const char *filename, const char *type)
{
char *cmd = NULL;
int ret = FALSE;
if (op->selinux_enabled == FALSE) {
return TRUE;
}
cmd = nvstrcat(op->utils[CHCON], " -t ", type, " ", filename, NULL);
ret = run_command(op, cmd, NULL, FALSE, 0, TRUE);
ret = ((ret == 0) ? TRUE : FALSE);
nvfree(cmd);
return ret;
}
static char * const native_libdirs[] = {
#if defined(NV_X86_64)
DEFAULT_AMD64_TRIPLET_LIBDIR,
#elif defined(NV_X86)
DEFAULT_IA32_TRIPLET_LIBDIR,
#elif defined(NV_ARMV7)
#if defined(NV_GNUEABIHF)
DEFAULT_ARMV7HF_TRIPLET_LIBDIR,
#else
DEFAULT_ARMV7_TRIPLET_LIBDIR,
#endif /* GNUEABIHF */
#elif defined(NV_AARCH64)
DEFAULT_AARCH64_TRIPLET_LIBDIR,
#elif defined(NV_PPC64LE)
DEFAULT_PPC64LE_TRIPLET_LIBDIR,
#else
#error Unknown architecture! Please update utils.mk to add support for this \
TARGET_ARCH, and make sure that an architecture-specific NV_$ARCH macro gets \
defined, and that NV_ARCH_BITS gets defined to the correct word size in bits.
#endif
#if NV_ARCH_BITS == 32
DEFAULT_32BIT_LIBDIR,
#elif NV_ARCH_BITS == 64
DEFAULT_64BIT_LIBDIR,
#endif
DEFAULT_LIBDIR,
NULL
};
#if defined(NV_X86_64)
static char * const compat_libdirs[] = {
DEFAULT_IA32_TRIPLET_LIBDIR,
DEFAULT_32BIT_LIBDIR,
DEFAULT_LIBDIR,
NULL
};
#endif
/*
* get_ldconfig_cache() - retrieve the ldconfig(8) cache, or NULL on error
*/
static char *get_ldconfig_cache(Options *op)
{
char *data, *cmd;
int ret;
cmd = nvstrcat(op->utils[LDCONFIG], " -p", NULL);
ret = run_command(op, cmd, &data, FALSE, 0, FALSE);
nvfree(cmd);
if (ret != 0) {
nvfree(data);
return NULL;
}
return data;
}
/*
* find_libdir() - search in 'prefix' (optionally under 'chroot'/'prefix')
* for directories in 'list', either in the ldconfig(8) cache or on the
* filesystem. return the first directory found, or NULL if none found.
*/
static char *find_libdir(char * const * list, const char *prefix,
const char *ldconfig_cache, const char *chroot)
{
int i;
char *path = NULL;
for (i = 0; list[i]; i++) {
nvfree(path);
path = nvstrcat(chroot ? chroot : "",
"/", prefix, "/", list[i], "/", NULL);
collapse_multiple_slashes(path);
if (ldconfig_cache) {
if (strstr(ldconfig_cache, path)) {
break;
}
} else {
if (directory_exists(path)) {
break;
}
}
}
nvfree(path);
return list[i];
}
/*
* find_libdir_and_fall_back() - search for the first available directory from
* 'list' under 'prefix' that appears in the 'ldconfig_cache'. If no directory
* is found in 'ldconfig_cache', test for directory existence; if no directory
* from 'list' exists under 'prefix', default to DEFAULT_LIBDIR and print a
* warning message.
*/
static char * find_libdir_and_fall_back(Options *op, char * const * list,
const char *prefix,
const char *ldconfig_cache,
const char *name)
{
char *libdir = find_libdir(list, prefix, ldconfig_cache, NULL);
if (!libdir) {
libdir = find_libdir(list, prefix, NULL, NULL);
}
if (!libdir) {
libdir = DEFAULT_LIBDIR;
ui_warn(op, "Unable to determine the default %s path. The path %s/%s "
"will be used, but this path was not detected in the "
"ldconfig(8) cache, and no directory exists at this path, "
"so it is likely that libraries installed there will not "
"be found by the loader.", name, prefix, libdir);
}
return libdir;
}
/*
* get_default_prefixes_and_paths() - assign the default prefixes and
* paths depending on the architecture, distribution and the X.Org
* version installed on the system.
*/
void get_default_prefixes_and_paths(Options *op)
{
char *default_libdir, *ldconfig_cache;
if (!op->opengl_prefix)
op->opengl_prefix = DEFAULT_OPENGL_PREFIX;
ldconfig_cache = get_ldconfig_cache(op);
default_libdir = find_libdir_and_fall_back(op, native_libdirs,
op->opengl_prefix,
ldconfig_cache, "library");
if (!op->opengl_libdir)
op->opengl_libdir = default_libdir;
if (!op->gbm_backend_dir)
op->gbm_backend_dir = nvstrcat(default_libdir, "/", "gbm", NULL);
if (!op->x_prefix) {
if (op->modular_xorg) {
op->x_prefix = XORG7_DEFAULT_X_PREFIX;
} else {
op->x_prefix = DEFAULT_X_PREFIX;
}
}
if (!op->x_libdir) {
/* XXX if we just inherit default_libdir from above, we could end up
* with e.g. /usr/lib/x86_64-linux-gnu/xorg/modules as the module path.
* In practice, we haven't seen the tuplet-based paths used for X
* module paths, so skip the first (tuplet-based) entry from
* native_libdirs when getting a default value for x_libdir. This is
* only used when we have to guess the paths when the query fails. */
op->x_libdir = find_libdir_and_fall_back(op, &native_libdirs[1],
op->x_prefix, ldconfig_cache,
"X library");
}
nvfree(ldconfig_cache);
if (!op->x_moddir) {
if (op->modular_xorg) {
op->x_moddir = XORG7_DEFAULT_X_MODULEDIR ;
} else {
op->x_moddir = DEFAULT_X_MODULEDIR;
}
}
#if defined(NV_X86_64)
if (!op->compat32_prefix)
op->compat32_prefix = DEFAULT_OPENGL_PREFIX;
#endif
if (!op->utility_prefix)
op->utility_prefix = DEFAULT_UTILITY_PREFIX;
if (!op->utility_libdir)
op->utility_libdir = default_libdir;
if (!op->utility_bindir)
op->utility_bindir = DEFAULT_BINDIR;
if (!op->dot_desktopdir)
op->dot_desktopdir = DEFAULT_DOT_DESKTOPDIR;
if (!op->documentation_prefix)
op->documentation_prefix = DEFAULT_DOCUMENTATION_PREFIX;
if (!op->documentation_docdir)
op->documentation_docdir = DEFAULT_DOCDIR;
if (!op->documentation_mandir)
op->documentation_mandir = DEFAULT_MANDIR;
if (!op->application_profile_path)
op->application_profile_path = DEFAULT_APPLICATION_PROFILE_PATH;
if (!op->kernel_module_src_prefix)
op->kernel_module_src_prefix = DEFAULT_KERNEL_MODULE_SRC_PREFIX;
if (!op->module_signing_key_path)
op->module_signing_key_path = DEFAULT_MODULE_SIGNING_KEY_PATH;
/* kernel_module_src_dir's default value is set in set_destinations() */
if (!op->systemd_unit_prefix)
op->systemd_unit_prefix = DEFAULT_SYSTEMD_UNIT_PREFIX;
if (!op->systemd_sleep_prefix)
op->systemd_sleep_prefix = DEFAULT_SYSTEMD_SLEEP_PREFIX;
if (!op->systemd_sysconf_prefix)
op->systemd_sysconf_prefix = DEFAULT_SYSTEMD_SYSCONF_PREFIX;
if (!op->wine_prefix)
op->wine_prefix = DEFAULT_WINE_PREFIX;
if (!op->wine_libdir)
{
op->wine_libdir = nvstrcat(op->opengl_libdir, "/",
DEFAULT_WINE_LIBDIR_SUFFIX, NULL);
collapse_multiple_slashes(op->wine_libdir);
}
} /* get_default_prefixes_and_paths() */
#if defined NV_X86_64
/*
* compat32_conflict() - given a value for the compatibility library directory,
* determines whether a conflict exists between the proposed compatibility
* library path and the existing OpenGL library path. e.g. if the native path
* is /usr/lib/x86_64-linux-gnu, then /usr/lib is probably not a good path for
* compat32 libs. On the other hand, /usr/lib/i386-linux-gnu might be a valid
* compat32 directory for a system where /usr/lib is the native library
* directory, so the comparison is one-directional.
*
* XXX this assumes that the native directory would never be a subdirectory of
* the compat directory, which might not actually be true.
*/
static int compat32_conflict(Options *op, const char *compat_libdir)
{
char *native_path, *compat_path;
int ret, is_subdir;
native_path = nvstrcat(op->opengl_prefix, "/", op->opengl_libdir, NULL);
compat_path = nvstrcat(op->compat32_chroot ? op->compat32_chroot : "",
"/", op->compat32_prefix, "/", compat_libdir, NULL);
ret = is_subdirectory(compat_path, native_path, &is_subdir);
if (!ret) {
ui_error(op, "Failed to determine whether '%s' is a subdirectory of "
"'%s'; '%s' will not be considered as a candidate location "
"for installing 32-bit compatibility libraries.",
native_path, compat_path, compat_path);
is_subdir = TRUE;
}
nvfree(native_path);
nvfree(compat_path);
return is_subdir;
}
#endif
/*
* get_compat32_path() - detect the appropriate path for installing the 32-bit
* compatibility files. This function must be called after parse_manifest(),
* and before set_destinations().
*/
void get_compat32_path(Options *op)
{
#if defined(NV_X86_64)
char *ldconfig_cache = get_ldconfig_cache(op);
if (!op->compat32_prefix)
op->compat32_prefix = DEFAULT_OPENGL_PREFIX;
if (!op->compat32_libdir) {
char *compat_libdir;
/* First, search the ldconfig(8) cache and filesystem normally */
compat_libdir = find_libdir(compat_libdirs, op->compat32_prefix,
ldconfig_cache, op->compat32_chroot);
if (!compat_libdir || compat32_conflict(op, compat_libdir)) {
compat_libdir = find_libdir(compat_libdirs, op->compat32_prefix,
NULL, op->compat32_chroot);
}
/*
* If we still didn't find a suitable directory, and the user did not
* specify an explicit chroot, try the old Debian 32-bit chroot.
*/
if ((!compat_libdir || compat32_conflict(op, compat_libdir)) &&
!op->compat32_chroot) {
op->compat32_chroot = DEBIAN_DEFAULT_COMPAT32_CHROOT;
compat_libdir = find_libdir(compat_libdirs, op->compat32_prefix,
ldconfig_cache, op->compat32_chroot);
if (!compat_libdir || compat32_conflict(op, compat_libdir)) {
compat_libdir = find_libdir(compat_libdirs, op->compat32_prefix,
NULL, op->compat32_chroot);
}
/*
* If we still didn't find a suitable path in the old Debian chroot,
* reset the chroot path and the detected directory.
*/
if (!compat_libdir || compat32_conflict(op, compat_libdir)) {
op->compat32_chroot = NULL;
compat_libdir = NULL;
}
}
/* If we still failed to find a directory, don't install 32-bit files */
if (op->install_compat32_libs != NV_OPTIONAL_BOOL_FALSE &&
(!compat_libdir || compat32_conflict(op, compat_libdir))) {
ui_warn(op, "Unable to find a suitable destination to install "
"32-bit compatibility libraries. Your system may not "
"be set up for 32-bit compatibility. 32-bit "
"compatibility files will not be installed; if you "
"wish to install them, re-run the installation and set "
"a valid directory with the --compat32-libdir option.");
op->install_compat32_libs = NV_OPTIONAL_BOOL_FALSE;
}
if (op->install_compat32_libs != NV_OPTIONAL_BOOL_FALSE) {
op->compat32_libdir = compat_libdir;
}
}
nvfree(ldconfig_cache);
#endif
}
/*
* get_xdg_data_dir() - determine if the XDG_DATA_DIRS environment
* variable is set; if set and not empty, return the first path
* in the list, else return NULL.
*/
static char *get_xdg_data_dir(void)
{
/*
* If XDG_DATA_DIRS is set, then derive the installation path
* from the first entry; complies with:
* http://www.freedesktop.org/Standards/basedir-spec
*/
char *xdg_data_dir = getenv("XDG_DATA_DIRS");
if ((xdg_data_dir != NULL) && strlen(xdg_data_dir))
return nvstrdup(strtok(xdg_data_dir, ":"));
return NULL;
}
/*
* extract_x_path() - take a comma-separated list of directories, and
* extract the next available directory in the list. Assign the
* 'next' pointer so that it points to where we should continue during
* the next call of extract_x_path().
*
* On success, return a pointer to the next directory in the string,
* and update the 'next' pointer. When we have exhausted the list,
* NULL is returned.
*
* Note that this will destructively replace commas with NULL
* terminators in the string.
*/
static char *extract_x_path(char *str, char **next)
{
char *start;
/*
* choose where to start in the string: either we start at the
* beginning, or we start immediately after where we found a comma
* last time
*/
start = str;
if (*next) start = *next;
/* skip past any commas at the start */
while (*start == ',') start++;
/* if we hit the end of the string, return now */
if (*start == '\0') return NULL;
/*
* find the next comma in the string; if we find one, change it to
* a NULL terminator (and move 'next' to the character immediately
* after the comma); if we don't find a comma, move the 'next'
* pointer to the end of the string, so that we terminate on the
* next call to extract_x_path()
*/
*next = strchr(start, ',');
if (*next) {
**next = '\0';
(*next)++;
} else {
*next = strchr(start, '\0');
}
return start;
} /* extract_x_path() */
enum XPathType {
XPathLibrary,
XPathModule,
XPathSysConfig
};
/*
* get_x_paths_helper() - helper function for determining the X
* library, module, and system xorg.conf.d paths; returns 'TRUE' if we had to
* guess at the path
*/
static int get_x_paths_helper(Options *op,
enum XPathType pathType,
char *xserver_cmd,
char *pkg_config_cmd,
char *name,
char **path,
int require_existing_directory)
{
char *dirs, *cmd, *dir, *next;
int ret, guessed = 0;
/*
* if the path was already specified (i.e.: by a command
* line option), then we are done with this iteration
*/
if (*path != NULL) {
return FALSE;
}
/*
* attempt to determine the path through the various query mechanisms
*/
/*
* first, try the X server commandline option; this is the
* recommended query mechanism as of X.Org 7.2
*/
if (op->utils[XSERVER] && xserver_cmd) {
dirs = NULL;
cmd = nvstrcat(op->utils[XSERVER], " ", xserver_cmd, NULL);
ret = run_command(op, cmd, &dirs, FALSE, 0, TRUE);
nvfree(cmd);
if ((ret == 0) && dirs) {
next = NULL;
dir = extract_x_path(dirs, &next);
while (dir) {
if (!require_existing_directory || directory_exists(dir)) {
ui_expert(op, "X %s path '%s' determined from `%s %s`",
name, dir, op->utils[XSERVER], xserver_cmd);
*path = nvstrdup(dir);
nvfree(dirs);
return FALSE;
} else {
ui_warn(op, "You appear to be using a modular X.Org "
"release, but the X %s installation "
"path, '%s', reported by `%s %s` does not exist. "
"Please check your X.Org installation.",
name, dir, op->utils[XSERVER], xserver_cmd);
}
dir = extract_x_path(dirs, &next);
}
}
nvfree(dirs);
}
/*
* then, try the pkg-config command; this was the the
* pseudo-recommended query mechanism between X.Org 7.0 and
* X.Org 7.2
*/
if (op->utils[PKG_CONFIG]) {
dirs = NULL;
cmd = nvstrcat(op->utils[PKG_CONFIG], " ",
pkg_config_cmd, NULL);
ret = run_command(op, cmd, &dirs, FALSE, 0, TRUE);
nvfree(cmd);
if ((ret == 0) && dirs) {
next = NULL;
dir = extract_x_path(dirs, &next);
while (dir) {
if (!require_existing_directory || directory_exists(dir)) {
ui_expert(op, "X %s path '%s' determined from `%s %s`",
name, dir, op->utils[PKG_CONFIG],
pkg_config_cmd);
*path = nvstrdup(dir);
nvfree(dirs);
return FALSE;
} else {
ui_warn(op, "You appear to be using a modular X.Org "
"release, but the X %s installation "
"path, '%s', reported by `%s %s` does not exist. "
"Please check your X.Org installation.",
name, dir, op->utils[PKG_CONFIG], pkg_config_cmd);
}
dir = extract_x_path(dirs, &next);
}
}
nvfree(dirs);
}
/*
* neither of the above mechanisms yielded a usable path; fall
* through to constructing the path by hand. If this is a modular X server,
* record that we have to guess the path so that we can print a warning when
* we are done. For non-modular X, the default of /usr/X11R6/lib is
* standard.
*/
if (op->modular_xorg)
guessed = TRUE;
/* build the path */
switch (pathType) {
case XPathLibrary:
*path = nvstrcat(op->x_prefix, "/", op->x_libdir, NULL);
break;
case XPathModule:
*path = nvstrcat(op->x_library_path, "/", op->x_moddir, NULL);
break;
case XPathSysConfig:
*path = nvstrcat(DEFAULT_X_DATAROOT_PATH, "/", DEFAULT_CONFDIR, NULL);
break;
}
remove_trailing_slashes(*path);
collapse_multiple_slashes(*path);
return guessed;
}
/*
* get_x_library_and_module_paths() - assign op->x_library_path and
* op->x_module_path; this cannot fail.
*/
static void get_x_library_and_module_paths(Options *op)
{
int guessed = FALSE;
/*
* get the library path, and then get the module path; note that
* the module path depends on already having the library path
*/
guessed |= get_x_paths_helper(op,
XPathLibrary,
"-showDefaultLibPath",
"--variable=libdir xorg-server",
"library",
&op->x_library_path,
TRUE);
guessed |= get_x_paths_helper(op,
XPathModule,
"-showDefaultModulePath",
"--variable=moduledir xorg-server",
"module",
&op->x_module_path,
TRUE);
/*
* Get the sysconfig path (typically /usr/share/X11/xorg.conf.d). This is
* only needed if the nvidia.conf OutputClass config snippet is going to be
* installed. Don't complain if we had to guess the path; the server will
* still work without it if xorg.conf is set up.
*/
get_x_paths_helper(op,
XPathSysConfig,
NULL,
"--variable=sysconfigdir xorg-server",
"sysconfig",
&op->x_sysconfig_path,
FALSE);
/*
* done assigning op->x_library_path and op->x_module_path; if we
* had to guess at either of the paths, print a warning
*/
if (guessed) {
ui_warn(op, "nvidia-installer was forced to guess the X library "
"path '%s' and X module path '%s'; these paths were not "
"queryable from the system. If X fails to find the "
"NVIDIA X driver module, please install the `pkg-config` "
"utility and the X.Org SDK/development package for your "
"distribution and reinstall the driver.",
op->x_library_path, op->x_module_path);
}
} /* get_x_library_and_module_paths() */
/*
* get_filename() - Prompt the user for the path to a file. If no file exists
* at the given path, keep reprompting until a valid path to a regular file or
* symbolic link is given. This is just a thin wrapper around ui_get_input().
*/
char *get_filename(Options *op, const char *def, const char *msg)
{
char *oldfile = nvstrdup(def);
/* XXX This function should never be called if op->no_questions is set,
* but just in case that happens by accident, do something besides looping
* infinitely if def is a filename that doesn't exist. */
if (op->no_questions) {
return oldfile;
}
while (TRUE) {
struct stat stat_buf;
char *file = ui_get_input(op, oldfile, "%s", msg);
nvfree(oldfile);
if (file && stat(file, &stat_buf) != -1 &&
(S_ISREG(stat_buf.st_mode) || S_ISLNK(stat_buf.st_mode))) {
return file;
}
ui_message(op, "File \"%s\" does not exist, or is not a regular "
"file. Please enter another filename.", file ?
file : "(null)");
oldfile = file;
}
}
/*
* secure_delete() - Securely delete a file, using `shred -u`. If `shred` isn't
* found, fall back to just unlinking, but print a warning message.
*/
int secure_delete(Options *op, const char *file)
{
char *cmd;
cmd = find_system_util("shred");
if (cmd) {
int ret;
char *cmdline = nvstrcat(cmd, " -u \"", file, "\"", NULL);
ret = run_command(op, cmdline, NULL, FALSE, 0, TRUE);
log_printf(op, NULL, "%s: %s", cmdline, ret == 0 ? "" : "failed!");
nvfree(cmd);
nvfree(cmdline);
return ret == 0;
} else {
ui_warn(op, "`shred` was not found on the system. The file %s will "
"be deleted, but not securely. It may be possible to recover "
"the file after deletion.", file);
unlink(file);
return FALSE;
}
} /* secure_delete() */
/* invalidate_package_entry() - clear a package entry */
void invalidate_package_entry(PackageEntry *entry)
{
entry->type = FILE_TYPE_NONE;
/*
* XXX don't try to free the destination string for
* these invalidated package entries; this prevents
* a crash on some Slackware 10.0 installations that
* we've been unable to reproduce/root cause.
*/
entry->dst = NULL;
memset(&(entry->caps), 0, sizeof(entry->caps));
}
/*
* is_subdirectory() - test whether subdir is a subdir of dir
* returns TRUE on successful test, or FALSE on error
* sets *is_subdir based on the result of a successful test
*
* The testing is performed two ways: first, walk from subdir up to "/"
* and check at each step along the way if subdir's device and inode
* match dir's. If a match is not found this way, simply compare dir
* and subdir as normalized strings, up to the length of subdir, since
* the first method will fail if subdir is a symlink located inside dir
* whose target is outside of dir.
*/
int is_subdirectory(const char *dir, const char *subdir, int *is_subdir)
{
struct stat root_st, dir_st;
if (stat("/", &root_st) != 0 || stat(dir, &dir_st) != 0) {
return FALSE;
} else {
struct stat testdir_st;
char *testdir = nvstrdup(subdir);
*is_subdir = FALSE;
do {
char *oldtestdir;
if (stat(testdir, &testdir_st) != 0) {
nvfree(testdir);
return FALSE;
}
if (testdir_st.st_dev == dir_st.st_dev &&
testdir_st.st_ino == dir_st.st_ino) {
*is_subdir = TRUE;
break;
}
oldtestdir = testdir;
testdir = nvstrcat(oldtestdir, "/..", NULL);
nvfree(oldtestdir);
} while (testdir_st.st_dev != root_st.st_dev ||
testdir_st.st_ino != root_st.st_ino);
nvfree(testdir);
}
if (!*is_subdir) {
char *dir_with_slash, *subdir_with_slash;
dir_with_slash = nvstrcat(dir, "/", NULL);
collapse_multiple_slashes(dir_with_slash);
subdir_with_slash = nvstrcat(subdir, "/", NULL);
collapse_multiple_slashes(subdir_with_slash);
*is_subdir = (strncmp(dir_with_slash, subdir_with_slash,
strlen(dir_with_slash)) == 0);
nvfree(dir_with_slash);
nvfree(subdir_with_slash);
}
return TRUE;
}
/*
* directory_equals() - if a is a subdirectory of b, and b is a subdirectory
* of a, then a and b are the same directory. Uses is_subdirectory() to do the
* subdirectory check, since the inode-based comparison will be resilient
* against symbolic links in either direction.
*/
static int directory_equals(const char *a, const char *b)
{
int a_b, b_a;
if (is_subdirectory(a, b, &a_b) && is_subdirectory(b, a, &b_a)) {
return a_b && b_a;
}
return FALSE;
}
/*
* get_opengl_libdir() - get the path where OpenGL libraries will be installed.
*/
static char *get_opengl_libdir(const Options *op)
{
return nvstrcat(op->opengl_prefix, "/", op->opengl_libdir, "/", NULL);
}
/*
* get_compat32_libdir() - get the path where 32-bit compatibility libraries
* will be installed, where applicable, or NULL when not applicable.
*/
static char *get_compat32_libdir(const Options *op)
{
#if defined NV_X86_64
return nvstrcat(op->compat32_chroot ? op->compat32_chroot : "", "/",
op->compat32_prefix, "/", op->compat32_libdir, "/", NULL);
#else
return NULL;
#endif
}
/*
* add_libgl_abi_symlink() - check to see if either native or compatibility
* OpenGL libraries are destined to be installed to /usr/lib. If not, then
* create a symlink /usr/lib/libGL.so.1 that points to the native libGL.so.1,
* for compliance with the OpenGL ABI. Note: this function must be called
* after set_destinations() to avoid the hardcoded "/usr/lib" destination from
* being overwritten.
*/
void add_libgl_abi_symlink(Options *op, Package *p)
{
static const char *usrlib = "/usr/lib/";
char *libgl = nvstrdup("libGL.so.1");
char *opengl_path = get_opengl_libdir(op);
char *opengl32_path = get_compat32_libdir(op);
if (!directory_equals(usrlib, opengl_path)
#if defined (NV_X86_64)
&& !directory_equals(usrlib, opengl32_path)
#endif
) {
char *target = nvstrcat(opengl_path, "libGL.so.1", NULL);
add_package_entry(p,
libgl,
NULL,
libgl,
target,
nvstrcat(usrlib, libgl, NULL),
FILE_TYPE_OPENGL_SYMLINK,
FILE_COMPAT_ARCH_NATIVE,
0000);
} else {
nvfree(libgl);
}
nvfree(opengl_path);
nvfree(opengl32_path);
}
typedef enum {
LIBGLVND_CHECK_RESULT_INSTALLED = 0,
LIBGLVND_CHECK_RESULT_NOT_INSTALLED = 1,
LIBGLVND_CHECK_RESULT_PARTIAL = 2,
LIBGLVND_CHECK_RESULT_ERROR = 3,
} LibglvndInstallCheckResult;
/*
* run_libglvnd_script() - Finds and runs the libglvnd install checker script.
*
* This runs a helper script which determines whether the libglvnd libraries
* are installed, missing, or partially installed.
*
* If the helper script is not included in the package, then it will just
* return LIBGLVND_CHECK_RESULT_NOT_INSTALLED.
*/
static LibglvndInstallCheckResult run_libglvnd_script(Options *op, Package *p,
char **missing_libs)
{
const char *scriptPath = "./libglvnd_install_checker/check-libglvnd-install.sh";
char *cmdline = NULL, *output = NULL;
int status;
LibglvndInstallCheckResult result = LIBGLVND_CHECK_RESULT_ERROR;
if (missing_libs) {
*missing_libs = "";
}
log_printf(op, NULL, "Looking for install checker script at %s", scriptPath);
if (access(scriptPath, R_OK) != 0) {
// We don't have the install check script, so assume that it's not
// installed.
log_printf(op, NULL, "No libglvnd install checker script, assuming not installed.");
result = LIBGLVND_CHECK_RESULT_NOT_INSTALLED;
goto done;
}
cmdline = nvasprintf("/bin/sh %s", scriptPath);
status = run_command(op, cmdline, &output, TRUE, 0, FALSE);
if (WIFEXITED(status)) {
result = WEXITSTATUS(status);
} else {
result = LIBGLVND_CHECK_RESULT_ERROR;
}
// If the installation is partial, pass the list of missing libraries
// reported by the script back to the caller.
if (result == LIBGLVND_CHECK_RESULT_PARTIAL && missing_libs) {
char *line, *end, *buf;
int len = strlen(output);
static const char *missing_label = "Missing libglvnd libraries: ";
for (buf = output;
(line = get_next_line(buf, &end, output, len));
buf = end) {
int found = FALSE;
if (strncmp(line, missing_label, strlen(missing_label)) == 0) {
*missing_libs = nvstrdup(line + strlen(missing_label));
found = TRUE;
}
free(line);
if (found) {
break;
}
}
}
done:
nvfree(output);
nvfree(cmdline);
return result;
}
/*
* set_libglvnd_egl_json_path() - Tries to figure out what path to install the
* JSON file to for a libglvnd EGL vendor library.
*
* This is only needed to work with an existing copy of the libglvnd libraries.
* If we're installing our own build, then we already know what path libEGL
* expects.
*/
static void set_libglvnd_egl_json_path(Options *op)
{
if (op->libglvnd_json_path == NULL) {
char *path = get_pkg_config_variable(op, "libglvnd", "datadir");
if (path != NULL) {
op->libglvnd_json_path = nvstrcat(path, "/glvnd/egl_vendor.d", NULL);
collapse_multiple_slashes(op->libglvnd_json_path);
nvfree(path);
}
}
if (op->libglvnd_json_path == NULL) {
ui_warn(op, "Unable to determine the path to install the "
"libglvnd EGL vendor library config files. Check that "
"you have pkg-config and the libglvnd development "
"libraries installed, or specify a path with "
"--glvnd-egl-config-path.");
op->libglvnd_json_path = nvstrdup(DEFAULT_GLVND_EGL_JSON_PATH);
}
}
/*
* Reports whether the given library is an optional part of libglvnd.
*/
static int library_is_optional(const char *library)
{
const char * const optional_libs[] = {
"libOpenGL.so", // libOpenGL.so is not needed for classic GLX/EGL ABIs
};
int i;
for (i = 0; i < ARRAY_LEN(optional_libs); i++) {
// Do a partial name match to allow versioned and unversioned SONAMEs
if (strncmp(library, optional_libs[i], strlen(optional_libs[i])) == 0) {
return TRUE;
}
}
return FALSE;
}
/*
* Reports whether the given space-delimited list of libraries includes a
* mandatory part of the libglvnd stack.
*/
static int list_includes_essential_library(const char *libraries)
{
int essential_library_found = FALSE;
char *libs = nvstrdup(libraries);
char *lib;
for (lib = strtok(libs, " "); lib; lib = strtok(NULL, " ")) {
if (!library_is_optional(lib)) {
essential_library_found = TRUE;
break;
}
}
nvfree(libs);
return essential_library_found;
}
/*
* check_libglvnd_files() - Checks whether or not the installer should install
* the libglvnd libraries.
*
* If the libglvnd libraries are already installed, then we'll leave them
* alone. If they're not already installed, then we'll install our own copies.
*
* Note that we only check for the native libraries, and use that result for
* both the native and 32-bit compatibility libraries. The reason for that is
* that the conflicting file list can't distinguish between 32-bit and 64-bit
* files that have the same filename, so it won't correctly handle installing
* one but not the other.
*/
int check_libglvnd_files(Options *op, Package *p)
{
int shouldInstall = op->install_libglvnd_libraries;
int foundAnyFiles = FALSE;
int foundJSONFile = FALSE;
int i;
// Start by checking for any libGLX_indirect.so.0 links.
check_libGLX_indirect_links(op, p);
// Then, check to see if there are any libglvnd files in the package.
for (i = 0; i < p->num_entries; i++) {
if (p->entries[i].type == FILE_TYPE_GLVND_LIB ||
p->entries[i].type == FILE_TYPE_GLVND_SYMLINK) {
foundAnyFiles = TRUE;
}
if (p->entries[i].type == FILE_TYPE_GLVND_EGL_ICD_JSON) {
foundAnyFiles = TRUE;
foundJSONFile = TRUE;
}
}
if (!foundAnyFiles) {
return TRUE;
}
if (shouldInstall == NV_OPTIONAL_BOOL_DEFAULT) {
char *missing_libs;
// Try to figure out whether libglvnd is already installed. We'll defer
// to a separate program to do that.
LibglvndInstallCheckResult result = run_libglvnd_script(op, p, &missing_libs);
if (result == LIBGLVND_CHECK_RESULT_INSTALLED) {
// The libraries are already installed, so leave them alone.
shouldInstall = NV_OPTIONAL_BOOL_FALSE;
} else if (result == LIBGLVND_CHECK_RESULT_NOT_INSTALLED) {
// The libraries are not installed, so install our own copies.
shouldInstall = NV_OPTIONAL_BOOL_TRUE;
} else if (result == LIBGLVND_CHECK_RESULT_PARTIAL) {
// The libraries are partially installed. Ask the user what to do.
static int partialAction = -1;
if (partialAction < 0) {
static const char *ANSWERS[] = {
"Don't install libglvnd files",
"Install and overwrite existing files",
"Abort installation."
};
int default_choice;
const char *optional_only;
// If GLVND was partially installed, but none of the missing
// libraries are essential, default to allowing the installation
// to continue without installing libglvnd by. If any of the
// missing libraries in a partial libglvnd installation are
// essential, default to aborting the installation.
if (list_includes_essential_library(missing_libs)) {
default_choice = 2; // Abort installation
optional_only = "";
} else {
default_choice = 0; // Don't install
optional_only = "All of the essential libglvnd libraries "
"are present, but one or more optional "
"components are missing. ";
}
partialAction = ui_multiple_choice(op, ANSWERS, 3, default_choice,
"An incomplete installation of libglvnd was found. %s"
"Do you want to install a full copy of libglvnd? "
"This will overwrite any existing libglvnd libraries.",
optional_only);
}
if (partialAction == 0) {
// Don't install
shouldInstall = NV_OPTIONAL_BOOL_FALSE;
} else if (partialAction == 1) {
// Install and overwrite
shouldInstall = NV_OPTIONAL_BOOL_TRUE;
} else {
// Abort.
return FALSE;
}
} else {
// Some error occurred.
return FALSE;
}
}
// Sanity check: We should have set shouldInstall to true or false by now.
if (shouldInstall != NV_OPTIONAL_BOOL_FALSE && shouldInstall != NV_OPTIONAL_BOOL_TRUE) {
ui_error(op, "Internal error: Could not determine whether to install libglvnd");
return FALSE;
}
if (shouldInstall != NV_OPTIONAL_BOOL_TRUE) {
log_printf(op, NULL, "Will not install libglvnd libraries.");
for (i = 0; i < p->num_entries; i++) {
if (p->entries[i].type == FILE_TYPE_GLVND_LIB ||
p->entries[i].type == FILE_TYPE_GLVND_SYMLINK ||
p->entries[i].type == FILE_TYPE_GLX_CLIENT_LIB ||
p->entries[i].type == FILE_TYPE_GLX_CLIENT_SYMLINK ||
p->entries[i].type == FILE_TYPE_EGL_CLIENT_LIB ||
p->entries[i].type == FILE_TYPE_EGL_CLIENT_SYMLINK) {
ui_log(op, "Skipping GLVND file: \"%s\"", p->entries[i].file);
invalidate_package_entry(&(p->entries[i]));
}
}
if (foundJSONFile) {
set_libglvnd_egl_json_path(op);
}
} else {
log_printf(op, NULL, "Will install libglvnd libraries.");
if (foundJSONFile && op->libglvnd_json_path == NULL) {
op->libglvnd_json_path = nvstrdup(DEFAULT_GLVND_EGL_JSON_PATH);
}
}
if (foundJSONFile) {
log_printf(op, NULL,
"Will install libEGL vendor library config file to %s",
op->libglvnd_json_path);
for (i = 0; i < p->num_entries; i++) {
if (p->entries[i].type == FILE_TYPE_GLVND_EGL_ICD_JSON) {
p->entries[i].dst = nvstrcat(op->libglvnd_json_path, "/", p->entries[i].name, NULL);
collapse_multiple_slashes(p->entries[i].dst);
}
}
}
return TRUE;
}
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