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@@ -1,7 +1,5 @@
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-Index: busybox-1.8.1/modutils/insmod.c
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-===================================================================
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---- busybox-1.8.1.orig/modutils/insmod.c 2007-11-10 02:40:49.000000000 +0100
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-+++ busybox-1.8.1/modutils/insmod.c 2007-11-10 17:28:44.391223047 +0100
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+--- a/modutils/insmod.c
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++++ b/modutils/insmod.c
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@@ -61,21 +61,117 @@
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#include "libbb.h"
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#include <libgen.h>
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@@ -27,9 +25,9 @@ Index: busybox-1.8.1/modutils/insmod.c
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#if ENABLE_FEATURE_2_6_MODULES
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-static int insmod_ng_main(int argc, char **argv);
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+int insmod_main_26(int argc, char **argv);
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-+#endif
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+ #endif
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+int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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-+
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+
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+static char *g_filename = NULL;
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+#define _PATH_MODULES "/lib/modules"
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+
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@@ -69,7 +67,7 @@ Index: busybox-1.8.1/modutils/insmod.c
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+ if (k_version <= 4)
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+ suffix = ".o";
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+ else
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- #endif
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++#endif
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+ suffix = ".ko";
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+
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+ len = strlen(filename);
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@@ -111,7 +109,7 @@ Index: busybox-1.8.1/modutils/insmod.c
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+ ret = 0;
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+ else
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+ free(g_filename);
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-
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++
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+done:
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+ free(filename);
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+
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@@ -125,23 +123,50 @@ Index: busybox-1.8.1/modutils/insmod.c
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#if ENABLE_FEATURE_INSMOD_LOADINKMEM
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#define LOADBITS 0
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#else
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-@@ -673,7 +769,6 @@
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- #endif
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+@@ -184,7 +280,6 @@
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+ /* Microblaze */
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+ #if defined(__microblaze__)
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+ #define USE_SINGLE
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+-#include <linux/elf-em.h>
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+ #define MATCH_MACHINE(x) (x == EM_XILINX_MICROBLAZE)
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+ #define SHT_RELM SHT_RELA
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+ #define Elf32_RelM Elf32_Rela
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+@@ -452,7 +547,7 @@
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+ /* The system calls unchanged between 2.0 and 2.1. */
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+
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+ unsigned long create_module(const char *, size_t);
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+-int delete_module(const char *module, unsigned int flags);
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++int delete_module(const char *);
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--#define _PATH_MODULES "/lib/modules"
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+ #endif /* module.h */
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+@@ -652,7 +747,7 @@
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+
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+ static enum obj_reloc arch_apply_relocation(struct obj_file *f,
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+ struct obj_section *targsec,
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+- /*struct obj_section *symsec,*/
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++ struct obj_section *symsec,
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+ struct obj_symbol *sym,
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+ ElfW(RelM) *rel, ElfW(Addr) value);
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+
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+@@ -673,6 +768,7 @@
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+ #define SPFX ""
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+ #endif
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+
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++
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enum { STRVERSIONLEN = 64 };
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/*======================================================================*/
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-@@ -789,27 +884,6 @@
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+@@ -788,28 +884,6 @@
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static char *m_fullName;
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-/*======================================================================*/
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-
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-
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--static int check_module_name_match(const char *filename, struct stat *statbuf,
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-- void *userdata, int depth)
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+-static int check_module_name_match(const char *filename,
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+- struct stat *statbuf ATTRIBUTE_UNUSED,
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+- void *userdata, int depth ATTRIBUTE_UNUSED)
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-{
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- char *fullname = (char *) userdata;
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- char *tmp;
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@@ -161,7 +186,170 @@ Index: busybox-1.8.1/modutils/insmod.c
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/*======================================================================*/
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-@@ -3897,145 +3971,57 @@
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+@@ -835,27 +909,18 @@
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+ static enum obj_reloc
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+ arch_apply_relocation(struct obj_file *f,
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+ struct obj_section *targsec,
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+- /*struct obj_section *symsec,*/
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++ struct obj_section *symsec,
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+ struct obj_symbol *sym,
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+ ElfW(RelM) *rel, ElfW(Addr) v)
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+ {
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+-#if defined(__arm__) || defined(__i386__) || defined(__mc68000__) \
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+- || defined(__sh__) || defined(__s390__) || defined(__x86_64__)
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+ struct arch_file *ifile = (struct arch_file *) f;
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+-#endif
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+ enum obj_reloc ret = obj_reloc_ok;
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+ ElfW(Addr) *loc = (ElfW(Addr) *) (targsec->contents + rel->r_offset);
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+-#if defined(__arm__) || defined(__H8300H__) || defined(__H8300S__) \
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+- || defined(__i386__) || defined(__mc68000__) || defined(__microblaze__) \
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+- || defined(__mips__) || defined(__nios2__) || defined(__powerpc__) \
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+- || defined(__s390__) || defined(__sh__) || defined(__x86_64__)
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+ ElfW(Addr) dot = targsec->header.sh_addr + rel->r_offset;
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+-#endif
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+ #if defined(USE_GOT_ENTRIES) || defined(USE_PLT_ENTRIES)
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+ struct arch_symbol *isym = (struct arch_symbol *) sym;
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+ #endif
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+-#if defined(__arm__) || defined(__i386__) || defined(__mc68000__) \
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+- || defined(__sh__) || defined(__s390__)
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++#if defined(__arm__) || defined(__i386__) || defined(__mc68000__) || defined(__sh__) || defined(__s390__)
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+ #if defined(USE_GOT_ENTRIES)
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+ ElfW(Addr) got = ifile->got ? ifile->got->header.sh_addr : 0;
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+ #endif
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+@@ -953,7 +1018,6 @@
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+
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+ case R_386_PLT32:
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+ case R_386_PC32:
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+- case R_386_GOTOFF:
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+ *loc += v - dot;
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+ break;
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+
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+@@ -972,6 +1036,9 @@
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+
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+ case R_386_GOT32:
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+ goto bb_use_got;
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++
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++ case R_386_GOTOFF:
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++ *loc += v - got;
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+ break;
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+
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+ #elif defined(__microblaze__)
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+@@ -1758,7 +1825,7 @@
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+
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+ #if defined(USE_SINGLE)
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+
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+-static int arch_single_init(/*ElfW(RelM) *rel,*/ struct arch_single_entry *single,
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++static int arch_single_init(ElfW(RelM) *rel, struct arch_single_entry *single,
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+ int offset, int size)
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+ {
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+ if (single->allocated == 0) {
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+@@ -1906,7 +1973,7 @@
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+ #if defined(USE_GOT_ENTRIES)
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|
+ if (got_allocate) {
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+ got_offset += arch_single_init(
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+- /*rel,*/ &intsym->gotent,
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++ rel, &intsym->gotent,
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+ got_offset, GOT_ENTRY_SIZE);
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+
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+ got_needed = 1;
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+@@ -1920,7 +1987,7 @@
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+ plt_offset, PLT_ENTRY_SIZE);
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+ #else
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+ plt_offset += arch_single_init(
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+- /*rel,*/ &intsym->pltent,
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++ rel, &intsym->pltent,
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+ plt_offset, PLT_ENTRY_SIZE);
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+ #endif
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+ plt_needed = 1;
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+@@ -1958,8 +2025,7 @@
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+ while (n > 0) {
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+ ch = *name++;
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+ h = (h << 4) + ch;
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+- g = (h & 0xf0000000);
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+- if (g != 0) {
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++ if ((g = (h & 0xf0000000)) != 0) {
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+ h ^= g >> 24;
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+ h &= ~g;
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+ }
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+@@ -2038,7 +2104,7 @@
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+ int n_type = ELF_ST_TYPE(info);
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+ int n_binding = ELF_ST_BIND(info);
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+
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+- for (sym = f->symtab[hash]; sym; sym = sym->next) {
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++ for (sym = f->symtab[hash]; sym; sym = sym->next)
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+ if (f->symbol_cmp(sym->name, name) == 0) {
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+ int o_secidx = sym->secidx;
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+ int o_info = sym->info;
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+@@ -2097,14 +2163,14 @@
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+ return sym;
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+ }
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+ }
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+- }
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+
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+ /* Completely new symbol. */
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+ sym = arch_new_symbol();
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|
+ sym->next = f->symtab[hash];
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|
+ f->symtab[hash] = sym;
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|
+ sym->ksymidx = -1;
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|
+- if (ELF_ST_BIND(info) == STB_LOCAL && symidx != (unsigned long)(-1)) {
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++
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++ if (ELF_ST_BIND(info) == STB_LOCAL && symidx != -1) {
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|
+ if (symidx >= f->local_symtab_size)
|
|
|
+ bb_error_msg("local symbol %s with index %ld exceeds local_symtab_size %ld",
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+ name, (long) symidx, (long) f->local_symtab_size);
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+@@ -3227,7 +3293,7 @@
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+
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+ /* Do it! */
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+ switch (arch_apply_relocation
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+- (f, targsec, /*symsec,*/ intsym, rel, value)
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++ (f, targsec, symsec, intsym, rel, value)
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+ ) {
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+ case obj_reloc_ok:
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+ break;
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+@@ -3306,11 +3372,11 @@
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+
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+ /*======================================================================*/
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+
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+-static struct obj_file *obj_load(FILE * fp, int loadprogbits ATTRIBUTE_UNUSED)
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++static struct obj_file *obj_load(FILE * fp, int loadprogbits)
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|
+ {
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+ struct obj_file *f;
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|
+ ElfW(Shdr) * section_headers;
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|
+- size_t shnum, i;
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|
++ int shnum, i;
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|
+ char *shstrtab;
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+
|
|
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+ /* Read the file header. */
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|
+@@ -3582,7 +3648,7 @@
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+ while (ptr < endptr) {
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|
+ value = strchr(ptr, '=');
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|
+ if (value && strncmp(ptr, "license", value-ptr) == 0) {
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|
|
+- unsigned i;
|
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|
++ int i;
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|
|
+ if (license)
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+ *license = value+1;
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|
+ for (i = 0; i < ARRAY_SIZE(gpl_licenses); ++i) {
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|
+@@ -3686,9 +3752,6 @@
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+ * start of some sections. this info is used by ksymoops to do better
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+ * debugging.
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+ */
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+-#if !ENABLE_FEATURE_INSMOD_VERSION_CHECKING
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|
+-#define get_module_version(f, str) get_module_version(str)
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|
+-#endif
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+ static int
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+ get_module_version(struct obj_file *f, char str[STRVERSIONLEN])
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+ {
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+@@ -3721,8 +3784,7 @@
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+ struct obj_symbol *sym;
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|
+ char *name, *absolute_filename;
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|
+ char str[STRVERSIONLEN];
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|
|
+- unsigned i;
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|
+- int l, lm_name, lfilename, use_ksymtab, version;
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|
++ int i, l, lm_name, lfilename, use_ksymtab, version;
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|
+ struct stat statbuf;
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|
+
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|
|
+ /* WARNING: was using realpath, but replaced by readlink to stop using
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|
+@@ -3909,145 +3971,57 @@
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|
|
void print_load_map(struct obj_file *f);
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|
|
#endif
|
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|
|
@@ -257,10 +445,8 @@ Index: busybox-1.8.1/modutils/insmod.c
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- } else {
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|
- free(tmp1);
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|
|
- tmp1 = NULL; /* flag for free(m_name) before exit() */
|
|
|
-+ tmp = xstrdup(arg1);
|
|
|
-+ m_name = basename(tmp);
|
|
|
- }
|
|
|
-
|
|
|
+- }
|
|
|
+-
|
|
|
- /* Get a filedesc for the module. Check that we have a complete path */
|
|
|
- if (stat(arg1, &st) < 0 || !S_ISREG(st.st_mode)
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|
|
- || (fp = fopen(arg1, "r")) == NULL
|
|
@@ -271,7 +457,7 @@ Index: busybox-1.8.1/modutils/insmod.c
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|
|
- char *module_dir;
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|
|
- char *tmdn;
|
|
|
-
|
|
|
-- tmdn = concat_path_file(_PATH_MODULES, myuname.release);
|
|
|
+- tmdn = concat_path_file(CONFIG_DEFAULT_MODULES_DIR, myuname.release);
|
|
|
- /* Jump through hoops in case /lib/modules/`uname -r`
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|
|
- * is a symlink. We do not want recursive_action to
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|
|
- * follow symlinks, but we do want to follow the
|
|
@@ -293,9 +479,9 @@ Index: busybox-1.8.1/modutils/insmod.c
|
|
|
-
|
|
|
- free(m_filename);
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|
|
- m_filename = NULL;
|
|
|
-- module_dir = xmalloc_readlink(_PATH_MODULES);
|
|
|
+- module_dir = xmalloc_readlink(CONFIG_DEFAULT_MODULES_DIR);
|
|
|
- if (!module_dir)
|
|
|
-- module_dir = xstrdup(_PATH_MODULES);
|
|
|
+- module_dir = xstrdup(CONFIG_DEFAULT_MODULES_DIR);
|
|
|
- /* No module found under /lib/modules/`uname -r`, this
|
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|
- * time cast the net a bit wider. Search /lib/modules/ */
|
|
|
- r = recursive_action(module_dir, ACTION_RECURSE,
|
|
@@ -308,10 +494,12 @@ Index: busybox-1.8.1/modutils/insmod.c
|
|
|
- ) {
|
|
|
- bb_error_msg_and_die("%s: module not found", m_fullName);
|
|
|
- }
|
|
|
-- }
|
|
|
++ tmp = xstrdup(arg1);
|
|
|
++ m_name = basename(tmp);
|
|
|
+ }
|
|
|
- } else
|
|
|
- m_filename = xstrdup(arg1);
|
|
|
--
|
|
|
+
|
|
|
- if (flag_verbose)
|
|
|
- printf("Using %s\n", m_filename);
|
|
|
-
|
|
@@ -329,7 +517,7 @@ Index: busybox-1.8.1/modutils/insmod.c
|
|
|
|
|
|
f = obj_load(fp, LOADBITS);
|
|
|
|
|
|
-@@ -4062,7 +4048,7 @@
|
|
|
+@@ -4074,7 +4048,7 @@
|
|
|
"\t%s was compiled for kernel version %s\n"
|
|
|
"\twhile this kernel is version %s",
|
|
|
flag_force_load ? "warning: " : "",
|
|
@@ -338,7 +526,7 @@ Index: busybox-1.8.1/modutils/insmod.c
|
|
|
if (!flag_force_load)
|
|
|
goto out;
|
|
|
}
|
|
|
-@@ -4104,7 +4090,7 @@
|
|
|
+@@ -4116,7 +4090,7 @@
|
|
|
hide_special_symbols(f);
|
|
|
|
|
|
#if ENABLE_FEATURE_INSMOD_KSYMOOPS_SYMBOLS
|
|
@@ -347,7 +535,37 @@ Index: busybox-1.8.1/modutils/insmod.c
|
|
|
#endif /* FEATURE_INSMOD_KSYMOOPS_SYMBOLS */
|
|
|
|
|
|
new_create_module_ksymtab(f);
|
|
|
-@@ -4147,18 +4133,19 @@
|
|
|
+@@ -4125,7 +4099,7 @@
|
|
|
+ m_size = obj_load_size(f);
|
|
|
+
|
|
|
+ m_addr = create_module(m_name, m_size);
|
|
|
+- if (m_addr == (ElfW(Addr))(-1)) switch (errno) {
|
|
|
++ if (m_addr == -1) switch (errno) {
|
|
|
+ case EEXIST:
|
|
|
+ bb_error_msg_and_die("a module named %s already exists", m_name);
|
|
|
+ case ENOMEM:
|
|
|
+@@ -4141,36 +4115,37 @@
|
|
|
+ * now we can load them directly into the kernel memory
|
|
|
+ */
|
|
|
+ if (!obj_load_progbits(fp, f, (char*)m_addr)) {
|
|
|
+- delete_module(m_name, 0);
|
|
|
++ delete_module(m_name);
|
|
|
+ goto out;
|
|
|
+ }
|
|
|
+ #endif
|
|
|
+
|
|
|
+ if (!obj_relocate(f, m_addr)) {
|
|
|
+- delete_module(m_name, 0);
|
|
|
++ delete_module(m_name);
|
|
|
+ goto out;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!new_init_module(m_name, f, m_size)) {
|
|
|
+- delete_module(m_name, 0);
|
|
|
++ delete_module(m_name);
|
|
|
+ goto out;
|
|
|
+ }
|
|
|
+
|
|
|
if (flag_print_load_map)
|
|
|
print_load_map(f);
|
|
|
|
|
@@ -372,19 +590,34 @@ Index: busybox-1.8.1/modutils/insmod.c
|
|
|
}
|
|
|
|
|
|
#endif /* ENABLE_FEATURE_2_4_MODULES */
|
|
|
-@@ -4190,23 +4177,32 @@
|
|
|
+@@ -4182,15 +4157,8 @@
|
|
|
+ #if ENABLE_FEATURE_2_6_MODULES
|
|
|
+
|
|
|
+ #include <sys/mman.h>
|
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+-
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+-#if defined __UCLIBC__ && !ENABLE_FEATURE_2_4_MODULES
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+-/* big time suckage. The old prototype above renders our nice fwd-decl wrong */
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+-extern int init_module(void *module, unsigned long len, const char *options);
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+-#else
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+ #include <asm/unistd.h>
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+ #include <sys/syscall.h>
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+-#define init_module(mod, len, opts) syscall(__NR_init_module, mod, len, opts)
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+-#endif
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+
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+ /* We use error numbers in a loose translation... */
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+ static const char *moderror(int err)
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+@@ -4209,22 +4177,32 @@
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}
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}
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-#if !ENABLE_FEATURE_2_4_MODULES
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-int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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--int insmod_main(int argc, char **argv)
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+-int insmod_main(int argc ATTRIBUTE_UNUSED, char **argv)
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-#else
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--static int insmod_ng_main(int argc, char **argv)
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+-static int insmod_ng_main(int argc ATTRIBUTE_UNUSED, char **argv)
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-#endif
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+int insmod_main_26(int argc, char **argv)
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{
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-- long ret;
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- size_t len;
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+ char *filename, *options;
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+ struct utsname myuname;
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@@ -414,12 +647,20 @@ Index: busybox-1.8.1/modutils/insmod.c
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/* Rest is options */
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options = xzalloc(1);
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optlen = 0;
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-@@ -4216,36 +4212,47 @@
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+@@ -4234,41 +4212,47 @@
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optlen += sprintf(options + optlen, (strchr(*argv,' ') ? "\"%s\" " : "%s "), *argv);
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}
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-#if 0
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-- /* Any special reason why mmap? It isn't performace critical... */
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+- /* Any special reason why mmap? It isn't performance critical. -vda */
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+- /* Yes, xmalloc'ing can use *alot* of RAM. Don't forget that there are
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+- * modules out there that are half a megabyte! mmap()ing is way nicer
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+- * for small mem boxes, i guess. */
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+- /* But after load, these modules will take up that 0.5mb in kernel
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+- * anyway. Using malloc here causes only a transient spike to 1mb,
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+- * after module is loaded, we go back to normal 0.5mb usage
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+- * (in kernel). Also, mmap isn't magic - when we touch mapped data,
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+- * we use memory. -vda */
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- int fd;
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- struct stat st;
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- unsigned long len;
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@@ -440,18 +681,19 @@ Index: busybox-1.8.1/modutils/insmod.c
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len = MAXINT(ssize_t);
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- map = xmalloc_open_read_close(filename, &len);
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-#endif
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--
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+ map = xmalloc_open_read_close(g_filename, &len);
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- ret = syscall(__NR_init_module, map, len, options);
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- if (ret != 0) {
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- bb_perror_msg_and_die("cannot insert '%s': %s (%li)",
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-- filename, moderror(errno), ret);
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++ ret = syscall(__NR_init_module, map, len, options);
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++ if (ret != 0) {
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++ bb_perror_msg_and_die("cannot insert '%s': %s (%li)",
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+ g_filename, moderror(errno), ret);
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- }
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++ }
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+done:
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+ if (g_filename && (g_filename != filename))
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+ free(g_filename);
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+- if (init_module(map, len, options) != 0)
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+- bb_error_msg_and_die("cannot insert '%s': %s",
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+- filename, moderror(errno));
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|
- return 0;
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+ return ret;
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}
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