/* * 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 . * * * files.c - this source file contains routines for manipulating * files and directories for the nv-instaler. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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 direcotry (`rm -rf`) */ int remove_directory(Options *op, const char *victim) { struct stat stat_buf; DIR *dir; struct dirent *ent; char *filename; int len; 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 ((ent = readdir(dir)) != NULL) { 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); free(filename); return FALSE; } if (S_ISDIR(stat_buf.st_mode)) { remove_directory(op, filename); } else { if (unlink(filename) != 0) { ui_error(op, "Failure removing file %s (%s)", filename, strerror(errno)); } } free(filename); } if (rmdir(victim) != 0) { ui_error(op, "Failure removing directory %s (%s)", victim, strerror(errno)); return FALSE; } return TRUE; } /* remove_directory() */ /* * 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; char *filename; 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) { 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); nvfree(filename); return FALSE; } /* if it is a directory, call this recursively */ if (S_ISDIR(stat_buf.st_mode)) { if (!touch_directory(op, filename)) { nvfree(filename); return FALSE; } } /* finally, set the access and modification times */ if (utime(filename, &time_buf) != 0) { ui_error(op, "Error setting modification time for %s", filename); nvfree(filename); return FALSE; } nvfree(filename); } if (closedir(dir) != 0) { ui_error(op, "Error while closing directory %s.", victim); return FALSE; } return TRUE; } /* touch_directory() */ /* * 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, dst_fd; 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 fail; } 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 fail; } if (fstat(src_fd, &stat_buf) == -1) { ui_error (op, "Unable to determine size of '%s' (%s)", srcfile, strerror (errno)); goto fail; } if (stat_buf.st_size == 0) 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 fail; } if (write(dst_fd, "", 1) != 1) { ui_error (op, "Unable to write file size for '%s' (%s)", dstfile, strerror (errno)); goto fail; } 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 fail; } 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 fail; } 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 fail; } if (munmap (dst, stat_buf.st_size) == -1) { ui_error (op, "Unable to unmap destination file '%s' after " "copying (%s)", dstfile, strerror (errno)); goto fail; } done: /* * 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); close (src_fd); close (dst_fd); return TRUE; fail: return FALSE; } /* copy_file() */ /* * 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; } /* 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 { if (tmpfile) nvfree(tmpfile); return NULL; } } /* write_temp_file() */ /* * select_tls_class() - determine which tls class should be installed * on the user's machine; if tls_test() fails, just install the * classic tls libraries. If tls_test() passes, install both OpenGL * sets, but only the new tls libglx. */ void select_tls_class(Options *op, Package *p) { int i; if (!tls_test(op, FALSE)) { op->which_tls = (op->which_tls & TLS_LIB_TYPE_FORCED); op->which_tls |= TLS_LIB_CLASSIC_TLS; /* * tls libraries will not run on this system; just install the * classic OpenGL libraries: clear the FILE_TYPE of any * FILE_CLASS_NEW_TLS package entries. */ ui_log(op, "Installing classic TLS OpenGL libraries."); for (i = 0; i < p->num_entries; i++) { if ((p->entries[i].flags & FILE_CLASS_NEW_TLS) && (p->entries[i].flags & FILE_CLASS_NATIVE)) { /* * XXX don't try to free the destination string for * these invalidated TLS libraries; this prevents * a crash on some Slackware 10.0 installations that * I've been unable to reproduce/root cause. */ /* nvfree(p->entries[i].dst); */ p->entries[i].flags &= ~FILE_TYPE_MASK; p->entries[i].dst = NULL; } } } else { op->which_tls = (op->which_tls & TLS_LIB_TYPE_FORCED); op->which_tls |= TLS_LIB_NEW_TLS; /* * tls libraries will run on this system: install both the * classic and new TLS libraries. */ ui_log(op, "Installing both new and classic TLS OpenGL libraries."); } #if defined(NV_X86_64) /* * If we are installing on amd64, then we need to perform a * similar test for the 32bit compatibility libraries */ if (!tls_test(op, TRUE)) { op->which_tls_compat32 = (op->which_tls_compat32 & TLS_LIB_TYPE_FORCED); op->which_tls_compat32 |= TLS_LIB_CLASSIC_TLS; /* * 32bit tls libraries will not run on this system; just * install the classic OpenGL libraries: clear the FILE_TYPE * of any FILE_CLASS_NEW_TLS_32 package entries. */ ui_log(op, "Installing classic TLS 32bit OpenGL libraries."); for (i = 0; i < p->num_entries; i++) { if ((p->entries[i].flags & FILE_CLASS_NEW_TLS) && (p->entries[i].flags & FILE_CLASS_COMPAT32)) { /* * XXX don't try to free the destination string for * these invalidated TLS libraries; this prevents * a crash on some Slackware 10.0 installations that * I've been unable to reproduce/root cause. */ /* nvfree(p->entries[i].dst); */ p->entries[i].flags &= ~FILE_TYPE_MASK; p->entries[i].dst = NULL; } } } else { op->which_tls_compat32 = (op->which_tls_compat32 & TLS_LIB_TYPE_FORCED); op->which_tls_compat32 |= TLS_LIB_NEW_TLS; /* * 32bit tls libraries will run on this system: install both * the classic and new TLS libraries. */ ui_log(op, "Installing both new and classic TLS 32bit " "OpenGL libraries."); } #endif /* NV_X86_64 */ } /* select_tls_class() */ /* * 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 *prefix, *dir, *path; 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++) { switch (p->entries[i].flags & FILE_TYPE_MASK) { case FILE_TYPE_KERNEL_MODULE_CMD: /* we don't install kernel module commands */ p->entries[i].dst = NULL; continue; case FILE_TYPE_KERNEL_MODULE_SRC: 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 = ""; break; case FILE_TYPE_OPENGL_LIB: case FILE_TYPE_OPENGL_SYMLINK: if (p->entries[i].flags & FILE_CLASS_COMPAT32) { prefix = op->compat32_prefix; dir = op->compat32_libdir; } else { prefix = op->opengl_prefix; dir = op->opengl_libdir; } path = ""; break; case FILE_TYPE_VDPAU_LIB: case FILE_TYPE_VDPAU_SYMLINK: if (p->entries[i].flags & FILE_CLASS_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: if (p->entries[i].flags & FILE_CLASS_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_XLIB_SHARED_LIB: case FILE_TYPE_XLIB_STATIC_LIB: case FILE_TYPE_XLIB_SYMLINK: prefix = op->x_library_path; dir = path = ""; break; case FILE_TYPE_XMODULE_SHARED_LIB: case FILE_TYPE_GLX_MODULE_SHARED_LIB: case FILE_TYPE_XMODULE_SYMLINK: case FILE_TYPE_GLX_MODULE_SYMLINK: case FILE_TYPE_XMODULE_NEWSYM: prefix = op->x_module_path; dir = ""; path = p->entries[i].path; break; case FILE_TYPE_TLS_LIB: case FILE_TYPE_TLS_SYMLINK: if (p->entries[i].flags & FILE_CLASS_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: prefix = op->utility_prefix; dir = op->utility_libdir; path = ""; break; case FILE_TYPE_LIBGL_LA: if (p->entries[i].flags & FILE_CLASS_COMPAT32) { prefix = op->compat32_prefix; dir = op->compat32_libdir; } else { prefix = op->opengl_prefix; dir = op->opengl_libdir; } path = ""; break; case FILE_TYPE_NVCUVID_LIB: case FILE_TYPE_NVCUVID_SYMLINK: if (p->entries[i].flags & FILE_CLASS_COMPAT32) { prefix = op->compat32_prefix; dir = op->compat32_libdir; } else { prefix = op->opengl_prefix; dir = op->opengl_libdir; } path = ""; break; case FILE_TYPE_OPENGL_HEADER: prefix = op->opengl_prefix; dir = op->opengl_incdir; 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: prefix = op->documentation_prefix; dir = op->documentation_mandir; path = p->entries[i].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_EXPLICIT_PATH: prefix = p->entries[i].path; 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].flags & FILE_CLASS_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_license_acceptance() - stat the license file to find out its * length, open the file, mmap it, and pass it to the ui for * acceptance. */ int get_license_acceptance(Options *op) { struct stat buf; char *text, *tmp; int fd; /* trivial accept if the user accepted on the command line */ if (op->accept_license) { ui_log(op, "License accepted by command line option."); return TRUE; } if ((fd = open(LICENSE_FILE, 0x0)) == -1) goto failed; if (fstat(fd, &buf) != 0) goto failed; if ((text = (char *) mmap(NULL, buf.st_size, PROT_READ, MAP_FILE|MAP_SHARED, fd, 0x0)) == (char *) -1) goto failed; /* * the mmap'ed license file may not be NULL terminated, so copy it * into a temporary buffer and explicity NULL terminate the string */ tmp = nvalloc(buf.st_size + 1); memcpy(tmp, text, buf.st_size); tmp[buf.st_size] = '\0'; if (!ui_display_license(op, tmp)) { ui_message(op, "License not accepted. Aborting installation."); nvfree(tmp); munmap(text, buf.st_size); close(fd); return FALSE; } ui_log(op, "License accepted."); nvfree(tmp); munmap(text, buf.st_size); close(fd); return TRUE; failed: ui_error(op, "Unable to open License file '%s' (%s)", LICENSE_FILE, strerror(errno)); return FALSE; } /* get_license_acceptance() */ /* * 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. */ 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_to_package() - append the kernel module * (contained in p->kernel_module_build_directory) to the package list * for installation. */ int add_kernel_module_to_package(Options *op, Package *p) { char *file, *name, *dst; file = nvstrcat(p->kernel_module_build_directory, "/", p->kernel_module_filename, NULL); name = strrchr(file, '/'); if (name) name++; if (!name) name = file; dst = nvstrcat(op->kernel_module_installation_path, "/", p->kernel_module_filename, NULL); add_package_entry(p, file, NULL, /* path */ name, NULL, /* target */ dst, FILE_TYPE_KERNEL_MODULE, 0644); return TRUE; } /* add_kernel_module_to_package() */ /* * remove_non_kernel_module_files_from_package() - clear the * FILE_TYPE_MASK bits for each package entry that is not of type * FILE_TYPE_KERNEL_MODULE or FILE_TYPE_KERNEL_MODULE_SRC */ void remove_non_kernel_module_files_from_package(Options *op, Package *p) { int i; for (i = 0; i < p->num_entries; i++) { uint64_t flags = p->entries[i].flags & FILE_TYPE_MASK; if ((flags != FILE_TYPE_KERNEL_MODULE) && (flags != FILE_TYPE_KERNEL_MODULE_CMD) && (flags != FILE_TYPE_KERNEL_MODULE_SRC)) p->entries[i].flags &= ~FILE_TYPE_MASK; } } /* remove_non_kernel_module_files_from_package() */ /* * clear the FILE_TYPE_MASK bits for each package entry that is not of * type FILE_TYPE_OPENGL_FILE */ void remove_opengl_files_from_package(Options *op, Package *p) { int i; for (i = 0; i < p->num_entries; i++) { uint64_t flags = p->entries[i].flags & FILE_TYPE_MASK; if (flags & FILE_TYPE_OPENGL_FILE) { p->entries[i].flags &= ~FILE_TYPE_MASK; } } } /* * remove_trailing_slashes() - begin at the end of the given string, * and overwrite slashes with NULL as long as we find slashes. */ void remove_trailing_slashes(char *s) { int len; if (s == NULL) return; len = strlen(s); while (s[len-1] == '/') s[--len] = '\0'; } /* remove_trailing_slashes() */ /* * 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() */ /* * directory_exists() - */ int directory_exists(Options *op, const char *dir) { struct stat stat_buf; if ((stat (dir, &stat_buf) == -1) || (!S_ISDIR(stat_buf.st_mode))) { return FALSE; } else { return TRUE; } } /* directory_exists() */ /* * 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) { /* return TRUE if the path already exists and is a directory */ if (directory_exists(op, path)) return TRUE; if (ui_yes_no(op, TRUE, "The directory '%s' does not exist; " "create?", path)) { if (mkdir_recursive(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` */ int mkdir_recursive(Options *op, const char *path, const mode_t mode) { char *c, *tmp, ch, *list, *tmplist; if (!path || !path[0]) return FALSE; tmp = nvstrdup(path); remove_trailing_slashes(tmp); list = NULL; c = tmp; do { c++; if ((*c == '/') || (*c == '\0')) { ch = *c; *c = '\0'; if (!directory_exists(op, tmp)) { if (mkdir(tmp, mode) != 0) { ui_error(op, "Failure creating directory '%s': (%s)", tmp, strerror(errno)); free(tmp); return FALSE; } /* Prepend the created directory path to a running list */ tmplist = list; list = nvstrcat(tmp, "\n", tmplist, NULL); free(tmplist); } *c = ch; } } while (*c); /* Log any created directories */ if (list) { log_mkdir(op, list); } free(list); free(tmp); return TRUE; } /* mkdir_recursive() */ /* * 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() */ /* * 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_recursive(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_recursive(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(op, 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(op, tmpdir)) { remove_directory(op, tmpdir); } if (!mkdir_recursive(op, tmpdir, 0655)) { 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_yes_no(op, TRUE, "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? ('no' will " "abort installation)", rpms[i], rpms[i])) { 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() - copy the contents of directory src to * directory dst. This only copies files; subdirectories are ignored. */ int copy_directory_contents(Options *op, const char *src, const char *dst) { DIR *dir; struct dirent *ent; char *srcfile, *dstfile; struct stat stat_buf; if ((dir = opendir(src)) == NULL) { ui_error(op, "Unable to open directory '%s' (%s).", src, strerror(errno)); return FALSE; } while ((ent = readdir(dir)) != NULL) { if (((strcmp(ent->d_name, ".")) == 0) || ((strcmp(ent->d_name, "..")) == 0)) continue; srcfile = nvstrcat(src, "/", ent->d_name, NULL); /* only copy regular files */ if ((stat(srcfile, &stat_buf) == -1) || !(S_ISREG(stat_buf.st_mode))) { nvfree(srcfile); continue; } dstfile = nvstrcat(dst, "/", ent->d_name, NULL); if (!copy_file(op, srcfile, dstfile, stat_buf.st_mode)) return FALSE; nvfree(srcfile); nvfree(dstfile); } if (closedir(dir) != 0) { ui_error(op, "Failure while closing directory '%s' (%s).", src, strerror(errno)); return FALSE; } return TRUE; } /* copy_directory_contents() */ /* * pack_precompiled_kernel_interface() - */ int pack_precompiled_kernel_interface(Options *op, Package *p) { char *cmd, time_str[256], *proc_version_string; char *result, *descr; time_t t; struct utsname buf; int ret; ui_log(op, "Packaging precompiled kernel interface."); /* make sure the precompiled_kernel_interface_directory exists */ mkdir_recursive(op, p->precompiled_kernel_interface_directory, 0755); /* use the time in the output string... should be fairly unique */ t = time(NULL); snprintf(time_str, 256, "%lu", t); /* read the proc version string */ proc_version_string = read_proc_version(op); /* use the uname string as the description */ uname(&buf); descr = nvstrcat(buf.sysname, " ", buf.release, " ", buf.version, " ", buf.machine, NULL); /* build the mkprecompiled command */ cmd = nvstrcat("./mkprecompiled --interface=", p->kernel_module_build_directory, "/", PRECOMPILED_KERNEL_INTERFACE_FILENAME, " --output=", p->precompiled_kernel_interface_directory, "/", PRECOMPILED_KERNEL_INTERFACE_FILENAME, "-", p->version, ".", time_str, " --description=\"", descr, "\"", " --proc-version=\"", proc_version_string, "\"", " --version=", p->version, NULL); /* execute the command */ ret = run_command(op, cmd, &result, FALSE, 0, TRUE); nvfree(cmd); nvfree(proc_version_string); nvfree(descr); /* remove the old kernel interface file */ cmd = nvstrcat(p->kernel_module_build_directory, "/", PRECOMPILED_KERNEL_INTERFACE_FILENAME, NULL); unlink(cmd); /* XXX what to do if this fails? */ nvfree(cmd); if (ret != 0) { ui_error(op, "Unable to package precompiled kernel interface: %s", result); } nvfree(result); if (ret == 0) return TRUE; else return FALSE; } /* pack_kernel_interface() */ /* * nv_strreplace() - we can't assume that the user has sed installed * on their system, so use this function to preform simple string * search and replacement. Returns a newly allocated string that is a * duplicate of src, with all instances of 'orig' replaced with * 'replace'. */ static char *nv_strreplace(char *src, char *orig, char *replace) { 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; strncpy(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 occurances 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_libGL_la_files() - for any libGL.la files in the package, * copy them to a temporary file, replacing __GENERATED_BY__ and * __LIBGL_PATH__ as appropriate. Then, add the new file to the * package list. */ void process_libGL_la_files(Options *op, Package *p) { int i; char *tmpfile; char *tokens[3] = { "__LIBGL_PATH__", "__GENERATED_BY__", NULL }; char *replacements[3] = { NULL, NULL, NULL }; int package_num_entries = p->num_entries; replacements[1] = nvstrcat(PROGRAM_NAME, ": ", NVIDIA_INSTALLER_VERSION, NULL); for (i = 0; i < package_num_entries; i++) { if ((p->entries[i].flags & FILE_TYPE_LIBGL_LA)) { if (p->entries[i].flags & FILE_CLASS_COMPAT32) { replacements[0] = nvstrcat(op->compat32_prefix, "/", op->compat32_libdir, NULL); } else { replacements[0] = nvstrcat(op->opengl_prefix, "/", op->opengl_libdir, NULL); } /* invalidate the template file */ p->entries[i].flags &= ~FILE_TYPE_MASK; p->entries[i].dst = NULL; 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, p->entries[i].path, nvstrdup(p->entries[i].name), NULL, /* target */ NULL, /* dst */ ((p->entries[i].flags & FILE_CLASS_MASK) | FILE_TYPE_LIBGL_LA), p->entries[i].mode); } nvfree(replacements[0]); } } nvfree(replacements[1]); } /* process_libGL_la_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].flags & FILE_TYPE_DOT_DESKTOP)) { /* invalidate the template file */ p->entries[i].flags &= ~FILE_TYPE_MASK; p->entries[i].dst = NULL; 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 */ ((p->entries[i].flags & FILE_CLASS_MASK) | FILE_TYPE_DOT_DESKTOP), p->entries[i].mode); } } } nvfree(replacements[0]); nvfree(replacements[1]); } /* process_dot_desktop_files() */ /* * set_security_context() - set the security context of the file to 'shlib_t' * Returns TRUE on success or if SELinux is disabled, FALSE otherwise */ int set_security_context(Options *op, const char *filename) { char *cmd = NULL; int ret = FALSE; if (op->selinux_enabled == FALSE) { return TRUE; } cmd = nvstrcat(op->utils[CHCON], " -t ", op->selinux_chcon_type, " ", filename, NULL); ret = run_command(op, cmd, NULL, FALSE, 0, TRUE); ret = ((ret == 0) ? TRUE : FALSE); if (cmd) nvfree(cmd); return ret; } /* set_security_context() */ /* * 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; #if defined(NV_X86_64) if ((op->distro == DEBIAN) || (op->distro == UBUNTU)) { default_libdir = DEBIAN_DEFAULT_64BIT_LIBDIR; } else { default_libdir = DEFAULT_64BIT_LIBDIR; } #else default_libdir = DEFAULT_LIBDIR; #endif if (!op->opengl_prefix) op->opengl_prefix = DEFAULT_OPENGL_PREFIX; if (!op->opengl_libdir) op->opengl_libdir = default_libdir; if (!op->opengl_incdir) op->opengl_incdir = DEFAULT_INCDIR; 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) op->x_libdir = default_libdir; 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; if (!op->compat32_libdir) { if ((op->distro == UBUNTU) || (op->distro == GENTOO)) { op->compat32_libdir = UBUNTU_DEFAULT_COMPAT32_LIBDIR; } else { op->compat32_libdir = DEFAULT_LIBDIR; } } if (op->distro == DEBIAN && !op->compat32_chroot) { /* * Newer versions of Debian have moved to the Ubuntu style of compat32 * path, so use that if it exists. */ char *default_path = nvstrcat(op->compat32_prefix, "/" UBUNTU_DEFAULT_COMPAT32_LIBDIR, NULL); struct stat buf; if (lstat(default_path, &buf) < 0 || S_ISLNK(buf.st_mode)) { /* * Path doesn't exist or is a symbolic link. Use the compat32 * chroot path instead. */ op->compat32_chroot = DEBIAN_DEFAULT_COMPAT32_CHROOT; } else { /* /lib32 exists, so use that */ op->compat32_libdir = UBUNTU_DEFAULT_COMPAT32_LIBDIR; } nvfree(default_path); } #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->kernel_module_src_prefix) op->kernel_module_src_prefix = DEFAULT_KERNEL_MODULE_SRC_PREFIX; /* kernel_module_src_dir's default value is set in set_destinations() */ } /* get_default_prefixes_and_paths() */ /* * 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() */ /* * get_x_paths_helper() - helper function for determining the X * library and module paths; returns 'TRUE' if we had to guess at the * path */ static int get_x_paths_helper(Options *op, int library, char *xserver_cmd, char *pkg_config_cmd, char *name, char **path) { 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 * * xorg-server >= 1.3 has a stupid version number regression because the * reported Xorg version was tied to the server version, meaning what used * to report 7.2 now reports, for example, 1.2.99.903. This means we set * op->modular_xorg to FALSE. However, any server with this regression will * also support the -showDefaultModulePath option so we should still be able * to get the right path. */ /* * first, try the X server commandline option; this is the * recommended query mechanism as of X.Org 7.2 */ if (op->utils[XSERVER]) { 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 (directory_exists(op, 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 (directory_exists(op, 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 */ if (library) { *path = nvstrcat(op->x_prefix, "/", op->x_libdir, NULL); } else { *path = nvstrcat(op->x_library_path, "/", op->x_moddir, NULL); } 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, TRUE, "-showDefaultLibPath", "--variable=libdir xorg-server", "library", &op->x_library_path); guessed |= get_x_paths_helper(op, FALSE, "-showDefaultModulePath", "--variable=moduledir xorg-server", "module", &op->x_module_path); /* * 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() */