-Index: busybox-1.7.2/modutils/insmod.c
-===================================================================
---- busybox-1.7.2.orig/modutils/insmod.c 2007-10-08 22:22:17.132454529 +0200
-+++ busybox-1.7.2/modutils/insmod.c 2007-10-08 22:29:04.267655851 +0200
-@@ -61,19 +61,110 @@
+--- a/modutils/insmod.c
++++ b/modutils/insmod.c
+@@ -9,6 +9,99 @@
+
#include "libbb.h"
- #include <libgen.h>
- #include <sys/utsname.h>
-+#if ENABLE_FEATURE_2_6_MODULES
+ #include "modutils.h"
++#include <sys/utsname.h>
++#ifndef CONFIG_FEATURE_2_4_MODULES
+#include <sys/mman.h>
+#include <asm/unistd.h>
+#include <sys/syscall.h>
+#endif
-
- #if !ENABLE_FEATURE_2_4_MODULES && !ENABLE_FEATURE_2_6_MODULES
- #undef ENABLE_FEATURE_2_4_MODULES
- #define ENABLE_FEATURE_2_4_MODULES 1
- #endif
-
--#if !ENABLE_FEATURE_2_4_MODULES
--#define insmod_ng_main insmod_main
-+#if ENABLE_FEATURE_2_4_MODULES
-+int insmod_main_24(int argc, char **argv);
- #endif
--
- #if ENABLE_FEATURE_2_6_MODULES
--extern int insmod_ng_main( int argc, char **argv);
-+int insmod_main_26(int argc, char **argv);
- #endif
-+int insmod_main(int argc, char **argv);
+
+static char *g_filename = NULL;
-+#define _PATH_MODULES "/lib/modules"
+
-+static int check_module_name_match(const char *filename, struct stat *statbuf,
++static int FAST_FUNC check_module_name_match(const char *filename, struct stat *statbuf,
+ void *userdata, int depth)
+{
+ char *fullname = (char *) userdata;
++ char *tmp;
+
+ if (fullname[0] == '\0')
+ return FALSE;
-+ else {
-+ char *tmp, *tmp1 = xstrdup(filename);
-+ tmp = bb_get_last_path_component(tmp1);
-+ if (strcmp(tmp, fullname) == 0) {
-+ free(tmp1);
-+ /* Stop searching if we find a match */
-+ g_filename = xstrdup(filename);
-+ return FALSE;
-+ }
-+ free(tmp1);
++
++ tmp = bb_get_last_path_component_nostrip(filename);
++ if (strcmp(tmp, fullname) == 0) {
++ /* Stop searching if we find a match */
++ g_filename = xstrdup(filename);
++ return FALSE;
+ }
++
+ return TRUE;
+}
+
+ filename = xasprintf("%s%s", filename, suffix);
+ } else {
+ filename = strdup(filename);
-+ if ((stat(filename, &st) == 0) && S_ISREG(st.st_mode))
++ if ((stat(filename, &st) == 0) && S_ISREG(st.st_mode)) {
++ g_filename = filename;
+ return 0;
++ }
++ free(filename);
++ return ENOENT;
+ }
+
+ /* next: scan /lib/modules/<release> */
+ * follow symlinks, but we do want to follow the
+ * /lib/modules/`uname -r` dir, So resolve it ourselves
+ * if it is a link... */
-+ module_dir = concat_path_file(_PATH_MODULES, myuname.release);
++ module_dir = concat_path_file(CONFIG_DEFAULT_MODULES_DIR, myuname.release);
+ if (realpath(module_dir, real_module_dir) != NULL) {
+ free(module_dir);
+ module_dir = real_module_dir;
+ return ret;
+}
-
- #if ENABLE_FEATURE_2_4_MODULES
-@@ -677,7 +768,6 @@
- #endif
-
-
--#define _PATH_MODULES "/lib/modules"
- enum { STRVERSIONLEN = 64 };
-
- /*======================================================================*/
-@@ -790,37 +880,6 @@
- static int n_ext_modules_used;
- extern int delete_module(const char *);
-
--static char *m_filename;
--static char *m_fullName;
--
--
--/*======================================================================*/
--
--
--static int check_module_name_match(const char *filename, struct stat *statbuf,
-- void *userdata, int depth)
--{
-- char *fullname = (char *) userdata;
--
-- if (fullname[0] == '\0')
-- return FALSE;
-- else {
-- char *tmp, *tmp1 = xstrdup(filename);
-- tmp = bb_get_last_path_component(tmp1);
-- if (strcmp(tmp, fullname) == 0) {
-- free(tmp1);
-- /* Stop searching if we find a match */
-- m_filename = xstrdup(filename);
-- return FALSE;
-- }
-- free(tmp1);
-- }
-- return TRUE;
--}
--
--
--/*======================================================================*/
--
- static struct obj_file *arch_new_file(void)
- {
- struct arch_file *f;
-@@ -3952,145 +4011,57 @@
- void print_load_map(struct obj_file *f);
- #endif
-
--int insmod_main( int argc, char **argv);
--int insmod_main( int argc, char **argv)
-+int insmod_main_24( int argc, char **argv)
- {
- char *opt_o, *arg1;
-- int len;
- int k_crcs;
-- char *tmp, *tmp1;
- unsigned long m_size;
- ElfW(Addr) m_addr;
- struct obj_file *f;
-- struct stat st;
-- char *m_name = 0;
-- int exit_status = EXIT_FAILURE;
-+ char *tmp = NULL, *m_name = NULL;
-+ int ret = EINVAL;
- int m_has_modinfo;
- #if ENABLE_FEATURE_INSMOD_VERSION_CHECKING
- struct utsname uts_info;
- char m_strversion[STRVERSIONLEN];
- int m_version, m_crcs;
- #endif
--#if ENABLE_FEATURE_CLEAN_UP
-- FILE *fp = 0;
--#else
-- FILE *fp;
--#endif
-- int k_version = 0;
-+ FILE *fp = NULL;
-+ int k_version;
- struct utsname myuname;
-
-+ /* check the kernel version */
-+ if ((uname(&myuname) != 0) || (myuname.release[0] != '2'))
-+ return EINVAL;
-+
-+ k_version = myuname.release[2] - '0';
-+ if (k_version > 4)
-+ return ENOTSUP;
-+
- /* Parse any options */
- getopt32(argv, OPTION_STR, &opt_o);
- arg1 = argv[optind];
- if (option_mask32 & OPT_o) { // -o /* name the output module */
-- free(m_name);
- m_name = xstrdup(opt_o);
- }
-
-- if (arg1 == NULL) {
-+ if (arg1 == NULL)
- bb_show_usage();
-- }
--
-- /* Grab the module name */
-- tmp1 = xstrdup(arg1);
-- tmp = basename(tmp1);
-- len = strlen(tmp);
--
-- if (uname(&myuname) == 0) {
-- if (myuname.release[0] == '2') {
-- k_version = myuname.release[2] - '0';
-- }
-- }
--
--#if ENABLE_FEATURE_2_6_MODULES
-- if (k_version > 4 && len > 3 && tmp[len - 3] == '.'
-- && tmp[len - 2] == 'k' && tmp[len - 1] == 'o'
-- ) {
-- len -= 3;
-- tmp[len] = '\0';
-- } else
--#endif
-- if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o') {
-- len -= 2;
-- tmp[len] = '\0';
-- }
--
-
--#if ENABLE_FEATURE_2_6_MODULES
-- if (k_version > 4)
-- m_fullName = xasprintf("%s.ko", tmp);
-- else
--#endif
-- m_fullName = xasprintf("%s.o", tmp);
-+ ret = find_module(arg1);
-+ if (ret)
-+ goto out;
-
- if (!m_name) {
-- m_name = tmp;
-- } else {
-- free(tmp1);
-- tmp1 = 0; /* flag for free(m_name) before exit() */
-+ tmp = xstrdup(arg1);
-+ m_name = basename(tmp);
- }
-
-- /* Get a filedesc for the module. Check we we have a complete path */
-- if (stat(arg1, &st) < 0 || !S_ISREG(st.st_mode)
-- || (fp = fopen(arg1, "r")) == NULL
-- ) {
-- /* Hmm. Could not open it. First search under /lib/modules/`uname -r`,
-- * but do not error out yet if we fail to find it... */
-- if (k_version) { /* uname succeedd */
-- char *module_dir;
-- char *tmdn;
-- char real_module_dir[FILENAME_MAX];
--
-- tmdn = concat_path_file(_PATH_MODULES, myuname.release);
-- /* Jump through hoops in case /lib/modules/`uname -r`
-- * is a symlink. We do not want recursive_action to
-- * follow symlinks, but we do want to follow the
-- * /lib/modules/`uname -r` dir, So resolve it ourselves
-- * if it is a link... */
-- if (realpath(tmdn, real_module_dir) == NULL)
-- module_dir = tmdn;
-- else
-- module_dir = real_module_dir;
-- recursive_action(module_dir, ACTION_RECURSE,
-- check_module_name_match, 0, m_fullName, 0);
-- free(tmdn);
-- }
--
-- /* Check if we have found anything yet */
-- if (m_filename == 0 || ((fp = fopen(m_filename, "r")) == NULL)) {
-- char module_dir[FILENAME_MAX];
--
-- free(m_filename);
-- m_filename = 0;
-- if (realpath (_PATH_MODULES, module_dir) == NULL)
-- strcpy(module_dir, _PATH_MODULES);
-- /* No module found under /lib/modules/`uname -r`, this
-- * time cast the net a bit wider. Search /lib/modules/ */
-- if (!recursive_action(module_dir, ACTION_RECURSE,
-- check_module_name_match, 0, m_fullName, 0)
-- ) {
-- if (m_filename == 0
-- || ((fp = fopen(m_filename, "r")) == NULL)
-- ) {
-- bb_error_msg("%s: no module by that name found", m_fullName);
-- goto out;
-- }
-- } else
-- bb_error_msg_and_die("%s: no module by that name found", m_fullName);
-- }
-- } else
-- m_filename = xstrdup(arg1);
--
-- if (flag_verbose)
-- printf("Using %s\n", m_filename);
--
--#if ENABLE_FEATURE_2_6_MODULES
-- if (k_version > 4) {
-- argv[optind] = m_filename;
-- optind--;
-- return insmod_ng_main(argc - optind, argv + optind);
-+ fp = fopen(g_filename, "r");
-+ if (!fp) {
-+ ret = errno;
-+ goto out;
- }
--#endif
-
- f = obj_load(fp, LOADBITS);
- if (f == NULL)
-@@ -4120,7 +4091,7 @@
- "\t%s was compiled for kernel version %s\n"
- "\twhile this kernel is version %s",
- flag_force_load ? "warning: " : "",
-- m_filename, m_strversion, uts_info.release);
-+ g_filename, m_strversion, uts_info.release);
- if (!flag_force_load)
- goto out;
- }
-@@ -4173,7 +4144,7 @@
- hide_special_symbols(f);
-
- #if ENABLE_FEATURE_INSMOD_KSYMOOPS_SYMBOLS
-- add_ksymoops_symbols(f, m_filename, m_name);
-+ add_ksymoops_symbols(f, g_filename, m_name);
- #endif /* FEATURE_INSMOD_KSYMOOPS_SYMBOLS */
-
- new_create_module_ksymtab(f);
-@@ -4220,30 +4191,22 @@
- if (flag_print_load_map)
- print_load_map(f);
-
-- exit_status = EXIT_SUCCESS;
--
-+ ret = 0;
- out:
- #if ENABLE_FEATURE_CLEAN_UP
- if (fp)
- fclose(fp);
-- free(tmp1);
-- if (!tmp1)
-+ if (tmp)
-+ free(tmp);
-+ else if (m_name)
- free(m_name);
-- free(m_filename);
-+ free(g_filename);
- #endif
-- return exit_status;
-+ return ret;
- }
--
--
- #endif
-
--
- #if ENABLE_FEATURE_2_6_MODULES
--
--#include <sys/mman.h>
--#include <asm/unistd.h>
--#include <sys/syscall.h>
--
- /* We use error numbers in a loose translation... */
- static const char *moderror(int err)
- {
-@@ -4261,19 +4224,32 @@
- }
- }
-
--int insmod_ng_main(int argc, char **argv);
--int insmod_ng_main(int argc, char **argv)
-+int insmod_main_26(int argc, char **argv)
- {
-- long ret;
-- size_t len;
-+ char *filename, *options;
-+ struct utsname myuname;
-+ int k_version;
- int optlen;
-+ size_t len;
- void *map;
-- char *filename, *options;
-+ long ret = 0;
-+
-+ /* check the kernel version */
-+ if ((uname(&myuname) != 0) || (myuname.release[0] != '2'))
-+ return EINVAL;
-+
-+ k_version = myuname.release[2] - '0';
-+ if (k_version <= 4)
-+ return ENOTSUP;
-
- filename = *++argv;
+ int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+ int insmod_main(int argc UNUSED_PARAM, char **argv)
+@@ -25,9 +118,14 @@ int insmod_main(int argc UNUSED_PARAM, c
if (!filename)
bb_show_usage();
-+ ret = find_module(filename);
-+ if (ret || (g_filename == NULL))
-+ goto done;
+- rc = bb_init_module(filename, parse_cmdline_module_options(argv));
++ rc = find_module(filename);
++ if (rc || (g_filename == NULL))
++ goto done;
+
- /* Rest is options */
- options = xzalloc(1);
- optlen = 0;
-@@ -4283,36 +4259,47 @@
- optlen += sprintf(options + optlen, (strchr(*argv,' ') ? "\"%s\" " : "%s "), *argv);
- }
-
--#if 0
-- /* Any special reason why mmap? It isn't performace critical... */
-- int fd;
-- struct stat st;
-- unsigned long len;
-- fd = xopen(filename, O_RDONLY);
-- fstat(fd, &st);
-- len = st.st_size;
-- map = mmap(NULL, len, PROT_READ, MAP_PRIVATE, fd, 0);
-- if (map == MAP_FAILED) {
-- bb_perror_msg_and_die("cannot mmap '%s'", filename);
-- }
--
-- /* map == NULL on Blackfin, probably on other MMU-less systems too. Workaround. */
-- if (map == NULL) {
-- map = xmalloc(len);
-- xread(fd, map, len);
-- }
--#else
- len = MAXINT(ssize_t);
-- map = xmalloc_open_read_close(filename, &len);
--#endif
++ rc = bb_init_module(g_filename, parse_cmdline_module_options(argv));
+ if (rc)
+ bb_error_msg("cannot insert '%s': %s", filename, moderror(rc));
-
-+ map = xmalloc_open_read_close(g_filename, &len);
- ret = syscall(__NR_init_module, map, len, options);
- if (ret != 0) {
- bb_perror_msg_and_die("cannot insert '%s': %s (%li)",
-- filename, moderror(errno), ret);
-+ g_filename, moderror(errno), ret);
- }
++ free (g_filename);
+done:
-+ if (g_filename && (g_filename != filename))
-+ free(g_filename);
-
-- return 0;
-+ return ret;
+ return rc;
}
-
- #endif
-+
-+int insmod_main(int argc, char **argv)
-+{
-+ int ret;
-+
-+ g_filename = NULL;
-+#if ENABLE_FEATURE_2_6_MODULES
-+ ret = insmod_main_26(argc, argv);
-+ if (ret != ENOTSUP)
-+ goto done;
-+#endif
-+
-+#if ENABLE_FEATURE_2_4_MODULES
-+ ret = insmod_main_24(argc, argv);
-+ if (ret != ENOTSUP)
-+ goto done;
-+#endif
-+
-+ fprintf(stderr, "Error: Kernel version not supported\n");
-+ return 1;
-+
-+done:
-+ if (ret) {
-+ errno = ret;
-+ bb_perror_msg("Loading module failed");
-+ return ret;
-+ } else
-+ return 0;
-+}
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