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-rw-r--r--recipes/klibc/klibc-1.5.20/modprobe.patch1993
1 files changed, 1993 insertions, 0 deletions
diff --git a/recipes/klibc/klibc-1.5.20/modprobe.patch b/recipes/klibc/klibc-1.5.20/modprobe.patch
new file mode 100644
index 0000000000..d89010cc1c
--- /dev/null
+++ b/recipes/klibc/klibc-1.5.20/modprobe.patch
@@ -0,0 +1,1993 @@
+---
+ usr/utils/Kbuild | 4 +-
+ usr/utils/list.h | 238 +++++++
+ usr/utils/modprobe.c | 1710 ++++++++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 1951 insertions(+), 1 deletions(-)
+ create mode 100644 usr/utils/list.h
+ create mode 100644 usr/utils/modprobe.c
+
+diff --git a/usr/utils/Kbuild b/usr/utils/Kbuild
+index 57e2d08..a52ea61 100644
+--- a/usr/utils/Kbuild
++++ b/usr/utils/Kbuild
+@@ -4,7 +4,7 @@
+
+ progs := chroot dd mkdir mkfifo mknod mount pivot_root umount
+ progs += true false sleep ln nuke minips cat ls losetup
+-progs += uname halt kill readlink cpio sync dmesg
++progs += uname halt kill readlink cpio sync dmesg modprobe
+
+ static-y := $(addprefix static/, $(progs))
+ shared-y := $(addprefix shared/, $(progs))
+@@ -58,6 +58,8 @@ static/sync-y := sync.o
+ shared/sync-y := sync.o
+ static/losetup-y := losetup.o
+ shared/losetup-y := losetup.o
++static/modprobe-y := modprobe.o
++shared/modprobe-y := modprobe.o
+
+ # Additionally linked targets
+ always := static/reboot static/poweroff shared/reboot shared/poweroff
+diff --git a/usr/utils/list.h b/usr/utils/list.h
+new file mode 100644
+index 0000000..511303d
+--- /dev/null
++++ b/usr/utils/list.h
+@@ -0,0 +1,238 @@
++/* Stolen from Linux Kernel Source's list.h -- GPL. */
++#ifndef _MODINITTOOLS_LIST_H
++#define _MODINITTOOLS_LIST_H
++
++#undef offsetof
++#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
++
++/**
++ * container_of - cast a member of a structure out to the containing structure
++ *
++ * @ptr: the pointer to the member.
++ * @type: the type of the container struct this is embedded in.
++ * @member: the name of the member within the struct.
++ *
++ */
++#define container_of(ptr, type, member) ({ \
++ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
++ (type *)( (char *)__mptr - offsetof(type,member) );})
++
++/*
++ * Simple doubly linked list implementation.
++ *
++ * Some of the internal functions ("__xxx") are useful when
++ * manipulating whole lists rather than single entries, as
++ * sometimes we already know the next/prev entries and we can
++ * generate better code by using them directly rather than
++ * using the generic single-entry routines.
++ */
++
++struct list_head {
++ struct list_head *next, *prev;
++};
++
++#define LIST_HEAD_INIT(name) { &(name), &(name) }
++
++#define LIST_HEAD(name) \
++ struct list_head name = LIST_HEAD_INIT(name)
++
++#define INIT_LIST_HEAD(ptr) do { \
++ (ptr)->next = (ptr); (ptr)->prev = (ptr); \
++} while (0)
++
++/*
++ * Insert a new entry between two known consecutive entries.
++ *
++ * This is only for internal list manipulation where we know
++ * the prev/next entries already!
++ */
++static inline void __list_add(struct list_head *new,
++ struct list_head *prev,
++ struct list_head *next)
++{
++ next->prev = new;
++ new->next = next;
++ new->prev = prev;
++ prev->next = new;
++}
++
++/**
++ * list_add - add a new entry
++ * @new: new entry to be added
++ * @head: list head to add it after
++ *
++ * Insert a new entry after the specified head.
++ * This is good for implementing stacks.
++ */
++static inline void list_add(struct list_head *new, struct list_head *head)
++{
++ __list_add(new, head, head->next);
++}
++
++/**
++ * list_add_tail - add a new entry
++ * @new: new entry to be added
++ * @head: list head to add it before
++ *
++ * Insert a new entry before the specified head.
++ * This is useful for implementing queues.
++ */
++static inline void list_add_tail(struct list_head *new, struct list_head *head)
++{
++ __list_add(new, head->prev, head);
++}
++
++/*
++ * Delete a list entry by making the prev/next entries
++ * point to each other.
++ *
++ * This is only for internal list manipulation where we know
++ * the prev/next entries already!
++ */
++static inline void __list_del(struct list_head * prev, struct list_head * next)
++{
++ next->prev = prev;
++ prev->next = next;
++}
++
++/**
++ * list_del - deletes entry from list.
++ * @entry: the element to delete from the list.
++ * Note: list_empty on entry does not return true after this, the entry is
++ * in an undefined state.
++ */
++static inline void list_del(struct list_head *entry)
++{
++ __list_del(entry->prev, entry->next);
++}
++
++/**
++ * list_del_init - deletes entry from list and reinitialize it.
++ * @entry: the element to delete from the list.
++ */
++static inline void list_del_init(struct list_head *entry)
++{
++ __list_del(entry->prev, entry->next);
++ INIT_LIST_HEAD(entry);
++}
++
++/**
++ * list_move - delete from one list and add as another's head
++ * @list: the entry to move
++ * @head: the head that will precede our entry
++ */
++static inline void list_move(struct list_head *list, struct list_head *head)
++{
++ __list_del(list->prev, list->next);
++ list_add(list, head);
++}
++
++/**
++ * list_move_tail - delete from one list and add as another's tail
++ * @list: the entry to move
++ * @head: the head that will follow our entry
++ */
++static inline void list_move_tail(struct list_head *list,
++ struct list_head *head)
++{
++ __list_del(list->prev, list->next);
++ list_add_tail(list, head);
++}
++
++/**
++ * list_empty - tests whether a list is empty
++ * @head: the list to test.
++ */
++static inline int list_empty(struct list_head *head)
++{
++ return head->next == head;
++}
++
++static inline void __list_splice(struct list_head *list,
++ struct list_head *head)
++{
++ struct list_head *first = list->next;
++ struct list_head *last = list->prev;
++ struct list_head *at = head->next;
++
++ first->prev = head;
++ head->next = first;
++
++ last->next = at;
++ at->prev = last;
++}
++
++/**
++ * list_splice - join two lists
++ * @list: the new list to add.
++ * @head: the place to add it in the first list.
++ */
++static inline void list_splice(struct list_head *list, struct list_head *head)
++{
++ if (!list_empty(list))
++ __list_splice(list, head);
++}
++
++/**
++ * list_splice_init - join two lists and reinitialise the emptied list.
++ * @list: the new list to add.
++ * @head: the place to add it in the first list.
++ *
++ * The list at @list is reinitialised
++ */
++static inline void list_splice_init(struct list_head *list,
++ struct list_head *head)
++{
++ if (!list_empty(list)) {
++ __list_splice(list, head);
++ INIT_LIST_HEAD(list);
++ }
++}
++
++/**
++ * list_entry - get the struct for this entry
++ * @ptr: the &struct list_head pointer.
++ * @type: the type of the struct this is embedded in.
++ * @member: the name of the list_struct within the struct.
++ */
++#define list_entry(ptr, type, member) \
++ container_of(ptr, type, member)
++
++/**
++ * list_for_each - iterate over a list
++ * @pos: the &struct list_head to use as a loop counter.
++ * @head: the head for your list.
++ */
++#define list_for_each(pos, head) \
++ for (pos = (head)->next; pos != (head); pos = pos->next)
++
++/**
++ * list_for_each_prev - iterate over a list backwards
++ * @pos: the &struct list_head to use as a loop counter.
++ * @head: the head for your list.
++ */
++#define list_for_each_prev(pos, head) \
++ for (pos = (head)->prev; pos != (head); pos = pos->prev)
++
++/**
++ * list_for_each_safe - iterate over a list safe against removal of list entry
++ * @pos: the &struct list_head to use as a loop counter.
++ * @n: another &struct list_head to use as temporary storage
++ * @head: the head for your list.
++ */
++#define list_for_each_safe(pos, n, head) \
++ for (pos = (head)->next, n = pos->next; pos != (head); \
++ pos = n, n = pos->next)
++
++/**
++ * list_for_each_entry - iterate over list of given type
++ * @pos: the type * to use as a loop counter.
++ * @head: the head for your list.
++ * @member: the name of the list_struct within the struct.
++ */
++#define list_for_each_entry(pos, head, member) \
++ for (pos = list_entry((head)->next, typeof(*pos), member); \
++ &pos->member != (head); \
++ pos = list_entry(pos->member.next, typeof(*pos), member))
++
++#endif
+diff --git a/usr/utils/modprobe.c b/usr/utils/modprobe.c
+new file mode 100644
+index 0000000..8e8a437
+--- /dev/null
++++ b/usr/utils/modprobe.c
+@@ -0,0 +1,1710 @@
++/* modprobe.c: insert a module into the kernel, intelligently.
++ Copyright (C) 2001 Rusty Russell.
++ Copyright (C) 2002, 2003 Rusty Russell, IBM Corporation.
++
++ This program is free software; you can redistribute it and/or modify
++ it under the terms of the GNU General Public License as published by
++ the Free Software Foundation; either version 2 of the License, or
++ (at your option) any later version.
++
++ This program is distributed in the hope that it will be useful,
++ but WITHOUT ANY WARRANTY; without even the implied warranty of
++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ GNU General Public License for more details.
++
++ You should have received a copy of the GNU General Public License
++ along with this program; if not, write to the Free Software
++ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++*/
++#define _GNU_SOURCE /* asprintf */
++
++#include <sys/utsname.h>
++#include <sys/types.h>
++#include <sys/stat.h>
++#include <sys/mman.h>
++#include <fcntl.h>
++#include <stdarg.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <ctype.h>
++#include <string.h>
++#include <errno.h>
++#include <unistd.h>
++#include <dirent.h>
++#include <limits.h>
++#include <elf.h>
++#include <getopt.h>
++#include <fnmatch.h>
++#include <asm/unistd.h>
++#include <sys/wait.h>
++#include <syslog.h>
++#include <zlib.h>
++
++#define streq(a,b) (strcmp((a),(b)) == 0)
++#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
++
++#include "list.h"
++static inline void try_old_version(const char *progname, char *argv[])
++{
++}
++extern long init_module(void *, unsigned long, const char *);
++extern long delete_module(const char *, unsigned int);
++
++struct module {
++ struct list_head list;
++ char *modname;
++ char filename[0];
++};
++
++#ifndef MODULE_DIR
++#define MODULE_DIR "/lib/modules"
++#endif
++
++typedef void (*errfn_t)(const char *fmt, ...);
++
++/* Do we use syslog or stderr for messages? */
++static int log;
++
++static void message(const char *prefix, const char *fmt, va_list *arglist)
++{
++ char *buf, *buf2;
++
++ vasprintf(&buf, fmt, *arglist);
++ asprintf(&buf2, "%s%s", prefix, buf);
++
++ if (log)
++ syslog(LOG_NOTICE, "%s", buf2);
++ else
++ fprintf(stderr, "%s", buf2);
++ free(buf2);
++ free(buf);
++}
++void *grab_contents(gzFile *gzfd, unsigned long *size)
++{
++ unsigned int max = 16384;
++ void *buffer = malloc(max);
++ int ret;
++
++ if (!buffer)
++ return NULL;
++
++ *size = 0;
++ while ((ret = gzread(gzfd, buffer + *size, max - *size)) > 0) {
++ *size += ret;
++ if (*size == max) {
++ buffer = realloc(buffer, max *= 2);
++ if (!buffer)
++ return NULL;
++ }
++ }
++ if (ret < 0) {
++ free(buffer);
++ buffer = NULL;
++ }
++ return buffer;
++}
++
++void *grab_fd(int fd, unsigned long *size)
++{
++ gzFile gzfd;
++
++ gzfd = gzdopen(fd, "rb");
++ if (!gzfd)
++ return NULL;
++
++ /* gzclose(gzfd) would close fd, which would drop locks.
++ Don't blame zlib: POSIX locking semantics are so horribly
++ broken that they should be ripped out. */
++ return grab_contents(gzfd, size);
++}
++void release_file(void *data, unsigned long size)
++{
++ free(data);
++}
++
++
++static int warned = 0;
++static void warn(const char *fmt, ...)
++{
++ va_list arglist;
++ warned++;
++ va_start(arglist, fmt);
++ message("WARNING: ", fmt, &arglist);
++ va_end(arglist);
++}
++
++static void fatal(const char *fmt, ...)
++{
++ va_list arglist;
++ va_start(arglist, fmt);
++ message("FATAL: ", fmt, &arglist);
++ va_end(arglist);
++ exit(1);
++}
++
++
++static void grammar(const char *cmd, const char *filename, unsigned int line)
++{
++ warn("%s line %u: ignoring bad line starting with '%s'\n",
++ filename, line, cmd);
++}
++
++static void *do_nofail(void *ptr, const char *file, int line, const char *expr)
++{
++ if (!ptr) {
++ fatal("Memory allocation failure %s line %d: %s.\n",
++ file, line, expr);
++ }
++ return ptr;
++}
++
++#define NOFAIL(ptr) do_nofail((ptr), __FILE__, __LINE__, #ptr)
++
++static void print_usage(const char *progname)
++{
++ fprintf(stderr,
++ "Usage: %s [-v] [-V] [-C config-file] [-n] [-i] [-q] [-b] [-o <modname>] <modname> [parameters...]\n"
++ "%s -r [-n] [-i] [-v] <modulename> ...\n"
++ "%s -l -t <dirname> [ -a <modulename> ...]\n",
++ progname, progname, progname);
++ exit(1);
++}
++
++static int fgetc_wrapped(FILE *file, unsigned int *linenum)
++{
++ for (;;) {
++ int ch = fgetc(file);
++ if (ch != '\\')
++ return ch;
++ ch = fgetc(file);
++ if (ch != '\n')
++ return ch;
++ if (linenum)
++ (*linenum)++;
++ }
++}
++
++static char *getline_wrapped(FILE *file, unsigned int *linenum)
++{
++ int size = 1024;
++ int i = 0;
++ char *buf = NOFAIL(malloc(size));
++ for(;;) {
++ int ch = fgetc_wrapped(file, linenum);
++ if (i == size) {
++ size *= 2;
++ buf = NOFAIL(realloc(buf, size));
++ }
++ if (ch < 0 && i == 0) {
++ free(buf);
++ return NULL;
++ }
++ if (ch < 0 || ch == '\n') {
++ if (linenum)
++ (*linenum)++;
++ buf[i] = '\0';
++ return NOFAIL(realloc(buf, i+1));
++ }
++ buf[i++] = ch;
++ }
++}
++
++static struct module *find_module(const char *filename, struct list_head *list)
++{
++ struct module *i;
++
++ list_for_each_entry(i, list, list) {
++ if (strcmp(i->filename, filename) == 0)
++ return i;
++ }
++ return NULL;
++}
++
++/* Convert filename to the module name. Works if filename == modname, too. */
++static void filename2modname(char *modname, const char *filename)
++{
++ const char *afterslash;
++ unsigned int i;
++
++ afterslash = strrchr(filename, '/');
++ if (!afterslash)
++ afterslash = filename;
++ else
++ afterslash++;
++
++ /* Convert to underscores, stop at first . */
++ for (i = 0; afterslash[i] && afterslash[i] != '.'; i++) {
++ if (afterslash[i] == '-')
++ modname[i] = '_';
++ else
++ modname[i] = afterslash[i];
++ }
++ modname[i] = '\0';
++}
++
++static int lock_file(const char *filename)
++{
++ int fd = open(filename, O_RDWR, 0);
++
++ if (fd >= 0) {
++ struct flock lock;
++ lock.l_type = F_WRLCK;
++ lock.l_whence = SEEK_SET;
++ lock.l_start = 0;
++ lock.l_len = 1;
++ fcntl(fd, F_SETLKW, &lock);
++ } else
++ /* Read-only filesystem? There goes locking... */
++ fd = open(filename, O_RDONLY, 0);
++ return fd;
++}
++
++static void unlock_file(int fd)
++{
++ /* Valgrind is picky... */
++ close(fd);
++}
++
++static void add_module(char *filename, int namelen, struct list_head *list)
++{
++ struct module *mod;
++
++ /* If it's a duplicate: move it to the end, so it gets
++ inserted where it is *first* required. */
++ mod = find_module(filename, list);
++ if (mod)
++ list_del(&mod->list);
++ else {
++ /* No match. Create a new module. */
++ mod = NOFAIL(malloc(sizeof(struct module) + namelen + 1));
++ memcpy(mod->filename, filename, namelen);
++ mod->filename[namelen] = '\0';
++ mod->modname = NOFAIL(malloc(namelen + 1));
++ filename2modname(mod->modname, mod->filename);
++ }
++
++ list_add_tail(&mod->list, list);
++}
++
++/* Compare len chars of a to b, with _ and - equivalent. */
++static int modname_equal(const char *a, const char *b, unsigned int len)
++{
++ unsigned int i;
++
++ if (strlen(b) != len)
++ return 0;
++
++ for (i = 0; i < len; i++) {
++ if ((a[i] == '_' || a[i] == '-')
++ && (b[i] == '_' || b[i] == '-'))
++ continue;
++ if (a[i] != b[i])
++ return 0;
++ }
++ return 1;
++}
++
++/* Fills in list of modules if this is the line we want. */
++static int add_modules_dep_line(char *line,
++ const char *name,
++ struct list_head *list)
++{
++ char *ptr;
++ int len;
++ char *modname;
++
++ /* Ignore lines without : or which start with a # */
++ ptr = strchr(line, ':');
++ if (ptr == NULL || line[strspn(line, "\t ")] == '#')
++ return 0;
++
++ /* Is this the module we are looking for? */
++ *ptr = '\0';
++ if (strrchr(line, '/'))
++ modname = strrchr(line, '/') + 1;
++ else
++ modname = line;
++
++ len = strlen(modname);
++ if (strchr(modname, '.'))
++ len = strchr(modname, '.') - modname;
++ if (!modname_equal(modname, name, len))
++ return 0;
++
++ /* Create the list. */
++ add_module(line, ptr - line, list);
++
++ ptr++;
++ for(;;) {
++ char *dep_start;
++ ptr += strspn(ptr, " \t");
++ if (*ptr == '\0')
++ break;
++ dep_start = ptr;
++ ptr += strcspn(ptr, " \t");
++ add_module(dep_start, ptr - dep_start, list);
++ }
++ return 1;
++}
++
++static void read_depends(const char *dirname,
++ const char *start_name,
++ struct list_head *list)
++{
++ char *modules_dep_name;
++ char *line;
++ FILE *modules_dep;
++ int done = 0;
++
++ asprintf(&modules_dep_name, "%s/%s", dirname, "modules.dep");
++ modules_dep = fopen(modules_dep_name, "r");
++ if (!modules_dep)
++ fatal("Could not load %s: %s\n",
++ modules_dep_name, strerror(errno));
++
++ /* Stop at first line, as we can have duplicates (eg. symlinks
++ from boot/ */
++ while (!done && (line = getline_wrapped(modules_dep, NULL)) != NULL) {
++ done = add_modules_dep_line(line, start_name, list);
++ free(line);
++ }
++ fclose(modules_dep);
++ free(modules_dep_name);
++}
++
++/* We use error numbers in a loose translation... */
++static const char *insert_moderror(int err)
++{
++ switch (err) {
++ case ENOEXEC:
++ return "Invalid module format";
++ case ENOENT:
++ return "Unknown symbol in module, or unknown parameter (see dmesg)";
++ case ENOSYS:
++ return "Kernel does not have module support";
++ default:
++ return strerror(err);
++ }
++}
++
++static const char *remove_moderror(int err)
++{
++ switch (err) {
++ case ENOENT:
++ return "No such module";
++ case ENOSYS:
++ return "Kernel does not have module unloading support";
++ default:
++ return strerror(err);
++ }
++}
++
++/* Is module in /proc/modules? If so, fill in usecount if not NULL.
++ 0 means no, 1 means yes, -1 means unknown.
++ */
++static int module_in_kernel(const char *modname, unsigned int *usecount)
++{
++ FILE *proc_modules;
++ char *line;
++
++again:
++ /* Might not be mounted yet. Don't fail. */
++ proc_modules = fopen("/proc/modules", "r");
++ if (!proc_modules)
++ return -1;
++
++ while ((line = getline_wrapped(proc_modules, NULL)) != NULL) {
++ char *entry = strtok(line, " \n");
++
++ if (entry && streq(entry, modname)) {
++ /* If it exists, usecount is the third entry. */
++ if (!strtok(NULL, " \n"))
++ goto out;
++
++ if (!(entry = strtok(NULL, " \n"))) /* usecount */
++ goto out;
++ else
++ if (usecount)
++ *usecount = atoi(entry);
++
++ /* Followed by - then status. */
++ if (strtok(NULL, " \n")
++ && (entry = strtok(NULL, " \n")) != NULL) {
++ /* Locking will fail on ro fs, we might hit
++ * cases where module is in flux. Spin. */
++ if (streq(entry, "Loading")
++ || streq(entry, "Unloading")) {
++ usleep(100000);
++ free(line);
++ fclose(proc_modules);
++ goto again;
++ }
++ }
++
++ out:
++ free(line);
++ fclose(proc_modules);
++ return 1;
++ }
++ free(line);
++ }
++ fclose(proc_modules);
++ return 0;
++}
++
++static void replace_modname(struct module *module,
++ void *mem, unsigned long len,
++ const char *oldname, const char *newname)
++{
++ char *p;
++
++ /* 64 - sizeof(unsigned long) - 1 */
++ if (strlen(newname) > 55)
++ fatal("New name %s is too long\n", newname);
++
++ /* Find where it is in the module structure. Don't assume layout! */
++ for (p = mem; p < (char *)mem + len - strlen(oldname); p++) {
++ if (memcmp(p, oldname, strlen(oldname)) == 0) {
++ strcpy(p, newname);
++ return;
++ }
++ }
++
++ warn("Could not find old name in %s to replace!\n", module->filename);
++}
++
++static void *get_section32(void *file,
++ unsigned long size,
++ const char *name,
++ unsigned long *secsize)
++{
++ Elf32_Ehdr *hdr = file;
++ Elf32_Shdr *sechdrs = file + hdr->e_shoff;
++ const char *secnames;
++ unsigned int i;
++
++ /* Too short? */
++ if (size < sizeof(*hdr))
++ return NULL;
++ if (size < hdr->e_shoff + hdr->e_shnum * sizeof(sechdrs[0]))
++ return NULL;
++ if (size < sechdrs[hdr->e_shstrndx].sh_offset)
++ return NULL;
++
++ secnames = file + sechdrs[hdr->e_shstrndx].sh_offset;
++ for (i = 1; i < hdr->e_shnum; i++)
++ if (strcmp(secnames + sechdrs[i].sh_name, name) == 0) {
++ *secsize = sechdrs[i].sh_size;
++ return file + sechdrs[i].sh_offset;
++ }
++ return NULL;
++}
++
++static void *get_section64(void *file,
++ unsigned long size,
++ const char *name,
++ unsigned long *secsize)
++{
++ Elf64_Ehdr *hdr = file;
++ Elf64_Shdr *sechdrs = file + hdr->e_shoff;
++ const char *secnames;
++ unsigned int i;
++
++ /* Too short? */
++ if (size < sizeof(*hdr))
++ return NULL;
++ if (size < hdr->e_shoff + hdr->e_shnum * sizeof(sechdrs[0]))
++ return NULL;
++ if (size < sechdrs[hdr->e_shstrndx].sh_offset)
++ return NULL;
++
++ secnames = file + sechdrs[hdr->e_shstrndx].sh_offset;
++ for (i = 1; i < hdr->e_shnum; i++)
++ if (strcmp(secnames + sechdrs[i].sh_name, name) == 0) {
++ *secsize = sechdrs[i].sh_size;
++ return file + sechdrs[i].sh_offset;
++ }
++ return NULL;
++}
++
++static int elf_ident(void *mod, unsigned long size)
++{
++ /* "\177ELF" <byte> where byte = 001 for 32-bit, 002 for 64 */
++ char *ident = mod;
++
++ if (size < EI_CLASS || memcmp(mod, ELFMAG, SELFMAG) != 0)
++ return ELFCLASSNONE;
++ return ident[EI_CLASS];
++}
++
++static void *get_section(void *file,
++ unsigned long size,
++ const char *name,
++ unsigned long *secsize)
++{
++ switch (elf_ident(file, size)) {
++ case ELFCLASS32:
++ return get_section32(file, size, name, secsize);
++ case ELFCLASS64:
++ return get_section64(file, size, name, secsize);
++ default:
++ return NULL;
++ }
++}
++
++static void rename_module(struct module *module,
++ void *mod,
++ unsigned long len,
++ const char *newname)
++{
++ void *modstruct;
++ unsigned long modstruct_len;
++
++ /* Old-style */
++ modstruct = get_section(mod, len, ".gnu.linkonce.this_module",
++ &modstruct_len);
++ /* New-style */
++ if (!modstruct)
++ modstruct = get_section(mod, len, "__module", &modstruct_len);
++ if (!modstruct)
++ warn("Could not find module name to change in %s\n",
++ module->filename);
++ else
++ replace_modname(module, modstruct, modstruct_len,
++ module->modname, newname);
++}
++
++/* Kernel told to ignore these sections if SHF_ALLOC not set. */
++static void invalidate_section32(void *mod, const char *secname)
++{
++ Elf32_Ehdr *hdr = mod;
++ Elf32_Shdr *sechdrs = mod + hdr->e_shoff;
++ const char *secnames = mod + sechdrs[hdr->e_shstrndx].sh_offset;
++ unsigned int i;
++
++ for (i = 1; i < hdr->e_shnum; i++)
++ if (strcmp(secnames+sechdrs[i].sh_name, secname) == 0)
++ sechdrs[i].sh_flags &= ~SHF_ALLOC;
++}
++
++static void invalidate_section64(void *mod, const char *secname)
++{
++ Elf64_Ehdr *hdr = mod;
++ Elf64_Shdr *sechdrs = mod + hdr->e_shoff;
++ const char *secnames = mod + sechdrs[hdr->e_shstrndx].sh_offset;
++ unsigned int i;
++
++ for (i = 1; i < hdr->e_shnum; i++)
++ if (strcmp(secnames+sechdrs[i].sh_name, secname) == 0)
++ sechdrs[i].sh_flags &= ~(unsigned long long)SHF_ALLOC;
++}
++
++static void strip_section(struct module *module,
++ void *mod,
++ unsigned long len,
++ const char *secname)
++{
++ switch (elf_ident(mod, len)) {
++ case ELFCLASS32:
++ invalidate_section32(mod, secname);
++ break;
++ case ELFCLASS64:
++ invalidate_section64(mod, secname);
++ break;
++ default:
++ warn("Unknown module format in %s: not forcing version\n",
++ module->filename);
++ }
++}
++
++static const char *next_string(const char *string, unsigned long *secsize)
++{
++ /* Skip non-zero chars */
++ while (string[0]) {
++ string++;
++ if ((*secsize)-- <= 1)
++ return NULL;
++ }
++
++ /* Skip any zero padding. */
++ while (!string[0]) {
++ string++;
++ if ((*secsize)-- <= 1)
++ return NULL;
++ }
++ return string;
++}
++
++static void clear_magic(struct module *module, void *mod, unsigned long len)
++{
++ const char *p;
++ unsigned long modlen;
++
++ /* Old-style: __vermagic section */
++ strip_section(module, mod, len, "__vermagic");
++
++ /* New-style: in .modinfo section */
++ for (p = get_section(mod, len, ".modinfo", &modlen);
++ p;
++ p = next_string(p, &modlen)) {
++ if (strncmp(p, "vermagic=", strlen("vermagic=")) == 0) {
++ memset((char *)p, 0, strlen(p));
++ return;
++ }
++ }
++}
++
++struct module_options
++{
++ struct module_options *next;
++ char *modulename;
++ char *options;
++};
++
++struct module_command
++{
++ struct module_command *next;
++ char *modulename;
++ char *command;
++};
++
++struct module_alias
++{
++ struct module_alias *next;
++ char *module;
++};
++
++struct module_blacklist
++{
++ struct module_blacklist *next;
++ char *modulename;
++};
++
++/* Link in a new option line from the config file. */
++static struct module_options *
++add_options(const char *modname,
++ const char *option,
++ struct module_options *options)
++{
++ struct module_options *new;
++ char *tab;
++
++ new = NOFAIL(malloc(sizeof(*new)));
++ new->modulename = NOFAIL(strdup(modname));
++ new->options = NOFAIL(strdup(option));
++ /* We can handle tabs, kernel can't. */
++ for (tab = strchr(new->options, '\t'); tab; tab = strchr(tab, '\t'))
++ *tab = ' ';
++ new->next = options;
++ return new;
++}
++
++/* Link in a new install line from the config file. */
++static struct module_command *
++add_command(const char *modname,
++ const char *command,
++ struct module_command *commands)
++{
++ struct module_command *new;
++
++ new = NOFAIL(malloc(sizeof(*new)));
++ new->modulename = NOFAIL(strdup(modname));
++ new->command = NOFAIL(strdup(command));
++ new->next = commands;
++ return new;
++}
++
++/* Link in a new alias line from the config file. */
++static struct module_alias *
++add_alias(const char *modname, struct module_alias *aliases)
++{
++ struct module_alias *new;
++
++ new = NOFAIL(malloc(sizeof(*new)));
++ new->module = NOFAIL(strdup(modname));
++ new->next = aliases;
++ return new;
++}
++
++/* Link in a new blacklist line from the config file. */
++static struct module_blacklist *
++add_blacklist(const char *modname, struct module_blacklist *blacklist)
++{
++ struct module_blacklist *new;
++
++ new = NOFAIL(malloc(sizeof(*new)));
++ new->modulename = NOFAIL(strdup(modname));
++ new->next = blacklist;
++ return new;
++}
++
++/* Find blacklist commands if any. */
++static int
++find_blacklist(const char *modname, const struct module_blacklist *blacklist)
++{
++ while (blacklist) {
++ if (strcmp(blacklist->modulename, modname) == 0)
++ return 1;
++ blacklist = blacklist->next;
++ }
++ return 0;
++}
++
++/* return a new alias list, with backlisted elems filtered out */
++static struct module_alias *
++apply_blacklist(const struct module_alias *aliases,
++ const struct module_blacklist *blacklist)
++{
++ struct module_alias *result = NULL;
++ while (aliases) {
++ char *modname = aliases->module;
++ if (!find_blacklist(modname, blacklist))
++ result = add_alias(modname, result);
++ aliases = aliases->next;
++ }
++ return result;
++}
++
++/* Find install commands if any. */
++static const char *find_command(const char *modname,
++ const struct module_command *commands)
++{
++ while (commands) {
++ if (fnmatch(commands->modulename, modname, 0) == 0)
++ return commands->command;
++ commands = commands->next;
++ }
++ return NULL;
++}
++
++static char *append_option(char *options, const char *newoption)
++{
++ options = NOFAIL(realloc(options, strlen(options) + 1
++ + strlen(newoption) + 1));
++ if (strlen(options)) strcat(options, " ");
++ strcat(options, newoption);
++ return options;
++}
++
++/* Add to options */
++static char *add_extra_options(const char *modname,
++ char *optstring,
++ const struct module_options *options)
++{
++ while (options) {
++ if (strcmp(options->modulename, modname) == 0)
++ optstring = append_option(optstring, options->options);
++ options = options->next;
++ }
++ return optstring;
++}
++
++/* If we don't flush, then child processes print before we do */
++static void verbose_printf(int verbose, const char *fmt, ...)
++{
++ va_list arglist;
++
++ if (verbose) {
++ va_start(arglist, fmt);
++ vprintf(fmt, arglist);
++ fflush(stdout);
++ va_end(arglist);
++ }
++}
++
++/* Do an install/remove command: replace $CMDLINE_OPTS if it's specified. */
++static void do_command(const char *modname,
++ const char *command,
++ int verbose, int dry_run,
++ errfn_t error,
++ const char *type,
++ const char *cmdline_opts)
++{
++ int ret;
++ char *p, *replaced_cmd = NOFAIL(strdup(command));
++
++ while ((p = strstr(replaced_cmd, "$CMDLINE_OPTS")) != NULL) {
++ char *new;
++ asprintf(&new, "%.*s%s%s",
++ p - replaced_cmd, replaced_cmd, cmdline_opts,
++ p + strlen("$CMDLINE_OPTS"));
++ NOFAIL(new);
++ free(replaced_cmd);
++ replaced_cmd = new;
++ }
++
++ verbose_printf(verbose, "%s %s\n", type, replaced_cmd);
++ if (dry_run)
++ return;
++
++ setenv("MODPROBE_MODULE", modname, 1);
++ ret = system(replaced_cmd);
++ if (ret == -1 || WEXITSTATUS(ret))
++ error("Error running %s command for %s\n", type, modname);
++ free(replaced_cmd);
++}
++
++/* Actually do the insert. Frees second arg. */
++static void insmod(struct list_head *list,
++ char *optstring,
++ const char *newname,
++ int first_time,
++ errfn_t error,
++ int dry_run,
++ int verbose,
++ const struct module_options *options,
++ const struct module_command *commands,
++ int ignore_commands,
++ int ignore_proc,
++ int strip_vermagic,
++ int strip_modversion,
++ const char *cmdline_opts)
++{
++ int ret, fd;
++ unsigned long len;
++ void *map;
++ const char *command;
++ struct module *mod = list_entry(list->next, struct module, list);
++
++ /* Take us off the list. */
++ list_del(&mod->list);
++
++ /* Do things we (or parent) depend on first, but don't die if
++ * they fail. */
++ if (!list_empty(list)) {
++ insmod(list, NOFAIL(strdup("")), NULL, 0, warn,
++ dry_run, verbose, options, commands, 0, ignore_proc,
++ strip_vermagic, strip_modversion, cmdline_opts);
++ }
++
++ /* Lock before we look, in case it's initializing. */
++ fd = lock_file(mod->filename);
++ if (fd < 0) {
++ error("Could not open '%s': %s\n",
++ mod->filename, strerror(errno));
++ goto out_optstring;
++ }
++
++ /* Don't do ANYTHING if already in kernel. */
++ if (!ignore_proc
++ && module_in_kernel(newname ?: mod->modname, NULL) == 1) {
++ if (first_time)
++ error("Module %s already in kernel.\n",
++ newname ?: mod->modname);
++ goto out_unlock;
++ }
++
++ command = find_command(mod->modname, commands);
++ if (command && !ignore_commands) {
++ /* It might recurse: unlock. */
++ unlock_file(fd);
++ do_command(mod->modname, command, verbose, dry_run, error,
++ "install", cmdline_opts);
++ goto out_optstring;
++ }
++
++ map = grab_fd(fd, &len);
++ if (!map) {
++ error("Could not read '%s': %s\n",
++ mod->filename, strerror(errno));
++ goto out_unlock;
++ }
++
++ /* Rename it? */
++ if (newname)
++ rename_module(mod, map, len, newname);
++
++ if (strip_modversion)
++ strip_section(mod, map, len, "__versions");
++ if (strip_vermagic)
++ clear_magic(mod, map, len);
++
++ /* Config file might have given more options */
++ optstring = add_extra_options(mod->modname, optstring, options);
++
++ verbose_printf(verbose, "insmod %s %s\n", mod->filename, optstring);
++
++ if (dry_run)
++ goto out;
++
++ ret = init_module(map, len, optstring);
++ if (ret != 0) {
++ if (errno == EEXIST) {
++ if (first_time)
++ error("Module %s already in kernel.\n",
++ newname ?: mod->modname);
++ goto out_unlock;
++ }
++ error("Error inserting %s (%s): %s\n",
++ mod->modname, mod->filename, insert_moderror(errno));
++ }
++ out:
++ release_file(map, len);
++ out_unlock:
++ unlock_file(fd);
++ out_optstring:
++ free(optstring);
++ return;
++}
++
++/* Do recursive removal. */
++static void rmmod(struct list_head *list,
++ const char *name,
++ int first_time,
++ errfn_t error,
++ int dry_run,
++ int verbose,
++ struct module_command *commands,
++ int ignore_commands,
++ int ignore_inuse,
++ const char *cmdline_opts)
++{
++ const char *command;
++ unsigned int usecount = 0;
++ int lock;
++ struct module *mod = list_entry(list->next, struct module, list);
++
++ /* Take first one off the list. */
++ list_del(&mod->list);
++
++ /* Ignore failure; it's best effort here. */
++ lock = lock_file(mod->filename);
++
++ if (!name)
++ name = mod->modname;
++
++ /* Even if renamed, find commands to orig. name. */
++ command = find_command(mod->modname, commands);
++ if (command && !ignore_commands) {
++ /* It might recurse: unlock. */
++ unlock_file(lock);
++ do_command(mod->modname, command, verbose, dry_run, error,
++ "remove", cmdline_opts);
++ goto remove_rest_no_unlock;
++ }
++
++ if (module_in_kernel(name, &usecount) == 0)
++ goto nonexistent_module;
++
++ if (usecount != 0) {
++ if (!ignore_inuse)
++ error("Module %s is in use.\n", name);
++ goto remove_rest;
++ }
++
++ verbose_printf(verbose, "rmmod %s\n", mod->filename);
++
++ if (dry_run)
++ goto remove_rest;
++
++ if (delete_module(name, O_EXCL) != 0) {
++ if (errno == ENOENT)
++ goto nonexistent_module;
++ error("Error removing %s (%s): %s\n",
++ name, mod->filename,
++ remove_moderror(errno));
++ }
++
++ remove_rest:
++ unlock_file(lock);
++ remove_rest_no_unlock:
++ /* Now do things we depend. */
++ if (!list_empty(list))
++ rmmod(list, NULL, 0, warn, dry_run, verbose, commands,
++ 0, 1, cmdline_opts);
++ return;
++
++nonexistent_module:
++ if (first_time)
++ fatal("Module %s is not in kernel.\n", mod->modname);
++ goto remove_rest;
++}
++
++/* Does path contain directory(s) subpath? */
++static int type_matches(const char *path, const char *subpath)
++{
++ char *subpath_with_slashes;
++ int ret;
++
++ asprintf(&subpath_with_slashes, "/%s/", subpath);
++ NOFAIL(subpath_with_slashes);
++
++ ret = (strstr(path, subpath_with_slashes) != NULL);
++ free(subpath_with_slashes);
++ return ret;
++}
++
++static char *underscores(char *string)
++{
++ if (string) {
++ unsigned int i;
++ for (i = 0; string[i]; i++)
++ if (string[i] == '-')
++ string[i] = '_';
++ }
++ return string;
++}
++
++static int do_wildcard(const char *dirname,
++ const char *type,
++ const char *wildcard)
++{
++ char modules_dep_name[strlen(dirname) + sizeof("modules.dep") + 1];
++ char *line, *wcard;
++ FILE *modules_dep;
++
++ /* Canonicalize wildcard */
++ wcard = strdup(wildcard);
++ underscores(wcard);
++
++ sprintf(modules_dep_name, "%s/%s", dirname, "modules.dep");
++ modules_dep = fopen(modules_dep_name, "r");
++ if (!modules_dep)
++ fatal("Could not load %s: %s\n",
++ modules_dep_name, strerror(errno));
++
++ while ((line = getline_wrapped(modules_dep, NULL)) != NULL) {
++ char *ptr;
++
++ /* Ignore lines without : or which start with a # */
++ ptr = strchr(line, ':');
++ if (ptr == NULL || line[strspn(line, "\t ")] == '#')
++ goto next;
++ *ptr = '\0';
++
++ /* "type" must match complete directory component(s). */
++ if (!type || type_matches(line, type)) {
++ char modname[strlen(line)+1];
++
++ filename2modname(modname, line);
++ if (fnmatch(wcard, modname, 0) == 0)
++ printf("%s\n", line);
++ }
++ next:
++ free(line);
++ }
++
++ free(wcard);
++ return 0;
++}
++
++static char *strsep_skipspace(char **string, char *delim)
++{
++ if (!*string)
++ return NULL;
++ *string += strspn(*string, delim);
++ return strsep(string, delim);
++}
++
++/* Recursion */
++static int read_config(const char *filename,
++ const char *name,
++ int dump_only,
++ int removing,
++ struct module_options **options,
++ struct module_command **commands,
++ struct module_alias **alias,
++ struct module_blacklist **blacklist);
++
++/* FIXME: Maybe should be extended to "alias a b [and|or c]...". --RR */
++static int read_config_file(const char *filename,
++ const char *name,
++ int dump_only,
++ int removing,
++ struct module_options **options,
++ struct module_command **commands,
++ struct module_alias **aliases,
++ struct module_blacklist **blacklist)
++{
++ char *line;
++ unsigned int linenum = 0;
++ FILE *cfile;
++
++ cfile = fopen(filename, "r");
++ if (!cfile)
++ return 0;
++
++ while ((line = getline_wrapped(cfile, &linenum)) != NULL) {
++ char *ptr = line;
++ char *cmd, *modname;
++
++ if (dump_only)
++ printf("%s\n", line);
++
++ cmd = strsep_skipspace(&ptr, "\t ");
++ if (cmd == NULL || cmd[0] == '#' || cmd[0] == '\0')
++ continue;
++
++ if (strcmp(cmd, "alias") == 0) {
++ char *wildcard
++ = underscores(strsep_skipspace(&ptr, "\t "));
++ char *realname
++ = underscores(strsep_skipspace(&ptr, "\t "));
++
++ if (!wildcard || !realname)
++ grammar(cmd, filename, linenum);
++ else if (fnmatch(wildcard,name,0) == 0)
++ *aliases = add_alias(realname, *aliases);
++ } else if (strcmp(cmd, "include") == 0) {
++ struct module_alias *newalias = NULL;
++ char *newfilename;
++
++ newfilename = strsep_skipspace(&ptr, "\t ");
++ if (!newfilename)
++ grammar(cmd, filename, linenum);
++ else {
++ if (!read_config(newfilename, name,
++ dump_only, removing,
++ options, commands, &newalias,
++ blacklist))
++ warn("Failed to open included"
++ " config file %s: %s\n",
++ newfilename, strerror(errno));
++
++ /* Files included override aliases,
++ etc that was already set ... */
++ if (newalias)
++ *aliases = newalias;
++ }
++ } else if (strcmp(cmd, "options") == 0) {
++ modname = strsep_skipspace(&ptr, "\t ");
++ if (!modname || !ptr)
++ grammar(cmd, filename, linenum);
++ else {
++ ptr += strspn(ptr, "\t ");
++ *options = add_options(underscores(modname),
++ ptr, *options);
++ }
++ } else if (strcmp(cmd, "install") == 0) {
++ modname = strsep_skipspace(&ptr, "\t ");
++ if (!modname || !ptr)
++ grammar(cmd, filename, linenum);
++ else if (!removing) {
++ ptr += strspn(ptr, "\t ");
++ *commands = add_command(underscores(modname),
++ ptr, *commands);
++ }
++ } else if (strcmp(cmd, "blacklist") == 0) {
++ modname = strsep_skipspace(&ptr, "\t ");
++ if (!modname)
++ grammar(cmd, filename, linenum);
++ else if (!removing) {
++ *blacklist = add_blacklist(underscores(modname),
++ *blacklist);
++ }
++ } else if (strcmp(cmd, "remove") == 0) {
++ modname = strsep_skipspace(&ptr, "\t ");
++ if (!modname || !ptr)
++ grammar(cmd, filename, linenum);
++ else if (removing) {
++ ptr += strspn(ptr, "\t ");
++ *commands = add_command(underscores(modname),
++ ptr, *commands);
++ }
++ } else
++ grammar(cmd, filename, linenum);
++
++ free(line);
++ }
++ fclose(cfile);
++ return 1;
++}
++
++/* Simple format, ignore lines starting with #, one command per line.
++ Returns true or false. */
++static int read_config(const char *filename,
++ const char *name,
++ int dump_only,
++ int removing,
++ struct module_options **options,
++ struct module_command **commands,
++ struct module_alias **aliases,
++ struct module_blacklist **blacklist)
++{
++ DIR *dir;
++ int ret = 0;
++
++ /* ignore everything in this directory */
++ if (streq(filename, "/etc/modprobe.d/arch"))
++ return 1;
++
++ /* Reiser4 has file/directory duality: treat it as both. */
++ dir = opendir(filename);
++ if (dir) {
++ struct dirent *i;
++ while ((i = readdir(dir)) != NULL) {
++ if (!streq(i->d_name,".") && !streq(i->d_name,"..")) {
++ char sub[strlen(filename) + 1
++ + strlen(i->d_name) + 1];
++
++ sprintf(sub, "%s/%s", filename, i->d_name);
++ if (!read_config(sub, name,
++ dump_only, removing, options,
++ commands, aliases, blacklist))
++ warn("Failed to open"
++ " config file %s: %s\n",
++ sub, strerror(errno));
++ }
++ }
++ closedir(dir);
++ ret = 1;
++ }
++
++ if (read_config_file(filename, name, dump_only, removing,
++ options, commands, aliases, blacklist))
++ ret = 1;
++
++ return ret;
++}
++
++static const char *default_configs[] =
++{
++ "/etc/modprobe.conf",
++ "/etc/modprobe.d",
++};
++
++static void read_toplevel_config(const char *filename,
++ const char *name,
++ int dump_only,
++ int removing,
++ struct module_options **options,
++ struct module_command **commands,
++ struct module_alias **aliases,
++ struct module_blacklist **blacklist)
++{
++ unsigned int i;
++
++ if (filename) {
++ if (!read_config(filename, name, dump_only, removing,
++ options, commands, aliases, blacklist))
++ fatal("Failed to open config file %s: %s\n",
++ filename, strerror(errno));
++ return;
++ }
++
++ /* Try defaults. */
++ for (i = 0; i < ARRAY_SIZE(default_configs); i++) {
++ if (read_config(default_configs[i], name, dump_only, removing,
++ options, commands, aliases, blacklist))
++ return;
++ }
++}
++
++static void add_to_env_var(const char *option)
++{
++ const char *oldenv;
++
++ if ((oldenv = getenv("MODPROBE_OPTIONS")) != NULL) {
++ char *newenv;
++ asprintf(&newenv, "%s %s", oldenv, option);
++ setenv("MODPROBE_OPTIONS", newenv, 1);
++ } else
++ setenv("MODPROBE_OPTIONS", option, 1);
++}
++
++/* Prepend options from environment. */
++static char **merge_args(char *args, char *argv[], int *argc)
++{
++ char *arg, *argstring;
++ char **newargs = NULL;
++ unsigned int i, num_env = 0;
++
++ if (!args)
++ return argv;
++
++ argstring = NOFAIL(strdup(args));
++ for (arg = strtok(argstring, " "); arg; arg = strtok(NULL, " ")) {
++ num_env++;
++ newargs = NOFAIL(realloc(newargs,
++ sizeof(newargs[0])
++ * (num_env + *argc + 1)));
++ newargs[num_env] = arg;
++ }
++
++ /* Append commandline args */
++ newargs[0] = argv[0];
++ for (i = 1; i <= *argc; i++)
++ newargs[num_env+i] = argv[i];
++
++ *argc += num_env;
++ return newargs;
++}
++
++static char *gather_options(char *argv[])
++{
++ char *optstring = NOFAIL(strdup(""));
++
++ /* Rest is module options */
++ while (*argv) {
++ /* Quote value if it contains spaces. */
++ unsigned int eq = strcspn(*argv, "=");
++
++ if (strchr(*argv+eq, ' ') && !strchr(*argv, '"')) {
++ char quoted[strlen(*argv) + 3];
++ (*argv)[eq] = '\0';
++ sprintf(quoted, "%s=\"%s\"", *argv, *argv+eq+1);
++ optstring = append_option(optstring, quoted);
++ } else
++ optstring = append_option(optstring, *argv);
++ argv++;
++ }
++ return optstring;
++}
++
++static void handle_module(const char *modname,
++ struct list_head *todo_list,
++ const char *newname,
++ int remove,
++ char *options,
++ int first_time,
++ errfn_t error,
++ int dry_run,
++ int verbose,
++ struct module_options *modoptions,
++ struct module_command *commands,
++ int ignore_commands,
++ int ignore_proc,
++ int strip_vermagic,
++ int strip_modversion,
++ int unknown_silent,
++ const char *cmdline_opts)
++{
++ if (list_empty(todo_list)) {
++ const char *command;
++
++ /* The dependencies have to be real modules, but
++ handle case where the first is completely bogus. */
++ command = find_command(modname, commands);
++ if (command && !ignore_commands) {
++ do_command(modname, command, verbose, dry_run, error,
++ remove ? "remove":"install", cmdline_opts);
++ return;
++ }
++
++ if (unknown_silent)
++ exit(1);
++ error("Module %s not found.\n", modname);
++ return;
++ }
++
++ if (remove)
++ rmmod(todo_list, newname, first_time, error, dry_run, verbose,
++ commands, ignore_commands, 0, cmdline_opts);
++ else
++ insmod(todo_list, NOFAIL(strdup(options)), newname,
++ first_time, error, dry_run, verbose, modoptions,
++ commands, ignore_commands, ignore_proc, strip_vermagic,
++ strip_modversion, cmdline_opts);
++}
++
++static struct option options[] = { { "verbose", 0, NULL, 'v' },
++ { "version", 0, NULL, 'V' },
++ { "config", 1, NULL, 'C' },
++ { "name", 1, NULL, 'o' },
++ { "remove", 0, NULL, 'r' },
++ { "showconfig", 0, NULL, 'c' },
++ { "autoclean", 0, NULL, 'k' },
++ { "quiet", 0, NULL, 'q' },
++ { "show", 0, NULL, 'n' },
++ { "dry-run", 0, NULL, 'n' },
++ { "syslog", 0, NULL, 's' },
++ { "type", 1, NULL, 't' },
++ { "list", 0, NULL, 'l' },
++ { "all", 0, NULL, 'a' },
++ { "ignore-install", 0, NULL, 'i' },
++ { "ignore-remove", 0, NULL, 'i' },
++ { "force", 0, NULL, 'f' },
++ { "force-vermagic", 0, NULL, 1 },
++ { "force-modversion", 0, NULL, 2 },
++ { "set-version", 1, NULL, 'S' },
++ { "show-depends", 0, NULL, 'D' },
++ { "first-time", 0, NULL, 3 },
++ { "use-blacklist", 0, NULL, 'b' },
++ { NULL, 0, NULL, 0 } };
++
++#define MODPROBE_DEVFSD_CONF "/etc/modprobe.devfs"
++
++/* This is a horrible hack to allow devfsd, which calls modprobe with
++ -C /etc/modules.conf or /etc/modules.devfs, to work. FIXME. */
++/* Modern devfsd or variants should use -q explicitly in 2.6. */
++static int is_devfs_call(char *argv[])
++{
++ unsigned int i;
++
++ /* Look for "/dev" arg */
++ for (i = 1; argv[i]; i++) {
++ if (strncmp(argv[i], "/dev/", 5) == 0)
++ return 1;
++ }
++ return 0;
++}
++
++int main(int argc, char *argv[])
++{
++ struct utsname buf;
++ struct stat statbuf;
++ int opt;
++ int dump_only = 0;
++ int dry_run = 0;
++ int remove = 0;
++ int verbose = 0;
++ int unknown_silent = 0;
++ int list_only = 0;
++ int all = 0;
++ int ignore_commands = 0;
++ int strip_vermagic = 0;
++ int strip_modversion = 0;
++ int ignore_proc = 0;
++ int first_time = 0;
++ int use_blacklist = 0;
++ unsigned int i, num_modules;
++ char *type = NULL;
++ const char *config = NULL;
++ char *dirname, *optstring;
++ char *newname = NULL;
++ char *aliasfilename, *symfilename;
++ errfn_t error = fatal;
++
++ /* Prepend options from environment. */
++ argv = merge_args(getenv("MODPROBE_OPTIONS"), argv, &argc);
++
++ /* --set-version overrides version, and disables backwards compat. */
++ for (opt = 1; opt < argc; opt++)
++ if (strncmp(argv[opt],"--set-version",strlen("--set-version"))
++ == 0)
++ break;
++
++ if (opt == argc)
++ try_old_version("modprobe", argv);
++
++ uname(&buf);
++ while ((opt = getopt_long(argc, argv, "vVC:o:rknqQsclt:aifb", options, NULL)) != -1){
++ switch (opt) {
++ case 'v':
++ add_to_env_var("-v");
++ verbose = 1;
++ break;
++ case 'V':
++ puts("module-init-tools version 3.2.2");
++ exit(0);
++ case 'S':
++ strncpy(buf.release, optarg, sizeof(buf.release));
++ buf.release[sizeof(buf.release)-1] = '\0';
++ break;
++ case 'C':
++ if (is_devfs_call(argv)) {
++ if (streq("/etc/modules.devfs", optarg)) {
++ config = MODPROBE_DEVFSD_CONF;
++ add_to_env_var("-C");
++ add_to_env_var(config);
++ /* Fall thru to -q */
++ } else if (streq("/etc/modules.conf", optarg))
++ /* Ignore config, fall thru to -q */
++ ;
++ else {
++ /* False alarm. Treat as normal. */
++ config = optarg;
++ add_to_env_var("-C");
++ add_to_env_var(config);
++ break;
++ }
++ } else {
++ config = optarg;
++ add_to_env_var("-C");
++ add_to_env_var(config);
++ break;
++ }
++ case 'q':
++ unknown_silent = 1;
++ add_to_env_var("-q");
++ break;
++ case 'D':
++ dry_run = 1;
++ ignore_proc = 1;
++ verbose = 1;
++ add_to_env_var("-D");
++ break;
++ case 'o':
++ newname = optarg;
++ break;
++ case 'r':
++ remove = 1;
++ break;
++ case 'c':
++ dump_only = 1;
++ break;
++ case 't':
++ type = optarg;
++ break;
++ case 'l':
++ list_only = 1;
++ break;
++ case 'a':
++ all = 1;
++ error = warn;
++ break;
++ case 'k':
++ /* FIXME: This should actually do something */
++ break;
++ case 'n':
++ dry_run = 1;
++ break;
++ case 's':
++ add_to_env_var("-s");
++ log = 1;
++ break;
++ case 'i':
++ ignore_commands = 1;
++ break;
++ case 'f':
++ strip_vermagic = 1;
++ strip_modversion = 1;
++ break;
++ case 'b':
++ use_blacklist = 1;
++ break;
++ case 1:
++ strip_vermagic = 1;
++ break;
++ case 2:
++ strip_modversion = 1;
++ break;
++ case 3:
++ first_time = 1;
++ break;
++ default:
++ print_usage(argv[0]);
++ }
++ }
++
++ /* If stderr not open, go to syslog */
++ if (log || fstat(STDERR_FILENO, &statbuf) != 0) {
++ openlog("modprobe", LOG_CONS, LOG_DAEMON);
++ log = 1;
++ }
++
++ if (argc < optind + 1 && !dump_only && !list_only && !remove)
++ print_usage(argv[0]);
++
++ dirname = NOFAIL(malloc(strlen(buf.release) + sizeof(MODULE_DIR) + 1));
++ sprintf(dirname, "%s/%s", MODULE_DIR, buf.release);
++ aliasfilename = NOFAIL(malloc(strlen(dirname)
++ + sizeof("/modules.alias")));
++ sprintf(aliasfilename, "%s/modules.alias", dirname);
++ symfilename = NOFAIL(malloc(strlen(dirname)
++ + sizeof("/modules.symbols")));
++ sprintf(symfilename, "%s/modules.symbols", dirname);
++
++ /* Old-style -t xxx wildcard? Only with -l. */
++ if (list_only) {
++ if (optind+1 < argc)
++ fatal("Can't have multiple wildcards\n");
++ /* fprintf(stderr, "man find\n"); return 1; */
++ return do_wildcard(dirname, type, argv[optind]?:"*");
++ }
++ if (type)
++ fatal("-t only supported with -l");
++
++ if (dump_only) {
++ struct module_command *commands = NULL;
++ struct module_options *modoptions = NULL;
++ struct module_alias *aliases = NULL;
++ struct module_blacklist *blacklist = NULL;
++
++ read_toplevel_config(config, "", 1, 0,
++ &modoptions, &commands, &aliases, &blacklist);
++ read_config(aliasfilename, "", 1, 0,&modoptions, &commands,
++ &aliases, &blacklist);
++ read_config(symfilename, "", 1, 0, &modoptions, &commands,
++ &aliases, &blacklist);
++ exit(0);
++ }
++
++ if (remove || all) {
++ num_modules = argc - optind;
++ optstring = NOFAIL(strdup(""));
++ } else {
++ num_modules = 1;
++ optstring = gather_options(argv+optind+1);
++ }
++
++ /* num_modules is always 1 except for -r or -a. */
++ for (i = 0; i < num_modules; i++) {
++ struct module_command *commands = NULL;
++ struct module_options *modoptions = NULL;
++ struct module_alias *aliases = NULL;
++ struct module_blacklist *blacklist = NULL;
++ LIST_HEAD(list);
++ char *modulearg = argv[optind + i];
++
++ /* Convert name we are looking for */
++ underscores(modulearg);
++
++ /* Returns the resolved alias, options */
++ read_toplevel_config(config, modulearg, 0,
++ remove, &modoptions, &commands, &aliases, &blacklist);
++
++ /* No luck? Try symbol names, if starts with symbol:. */
++ if (!aliases
++ && strncmp(modulearg, "symbol:", strlen("symbol:")) == 0)
++ read_config(symfilename, modulearg, 0,
++ remove, &modoptions, &commands,
++ &aliases, &blacklist);
++
++ if (!aliases) {
++ /* We only use canned aliases as last resort. */
++ read_depends(dirname, modulearg, &list);
++
++ if (list_empty(&list)
++ && !find_command(modulearg, commands))
++ {
++ read_config(aliasfilename, modulearg, 0,
++ remove, &modoptions, &commands,
++ &aliases, &blacklist);
++ aliases = apply_blacklist(aliases, blacklist);
++ }
++ }
++
++ if (aliases) {
++ errfn_t err = error;
++
++ /* More than one alias? Don't bail out on failure. */
++ if (aliases->next)
++ err = warn;
++ while (aliases) {
++ /* Add the options for this alias. */
++ char *opts = NOFAIL(strdup(optstring));
++ opts = add_extra_options(modulearg,
++ opts, modoptions);
++
++ read_depends(dirname, aliases->module, &list);
++ handle_module(aliases->module, &list, newname,
++ remove, opts, first_time, err,
++ dry_run, verbose, modoptions,
++ commands, ignore_commands,
++ ignore_proc, strip_vermagic,
++ strip_modversion,
++ unknown_silent,
++ optstring);
++
++ aliases = aliases->next;
++ INIT_LIST_HEAD(&list);
++ }
++ } else {
++ if (use_blacklist
++ && find_blacklist(modulearg, blacklist))
++ continue;
++
++ handle_module(modulearg, &list, newname, remove,
++ optstring, first_time, error, dry_run,
++ verbose, modoptions, commands,
++ ignore_commands, ignore_proc,
++ strip_vermagic, strip_modversion,
++ unknown_silent, optstring);
++ }
++ }
++ if (log)
++ closelog();
++
++ return 0;
++}
+--
+1.6.3.3
+