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Simplified version checking.

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This commit is contained in:
Matt Kraai 2001-08-06 14:18:08 +00:00
parent 69edfecfb9
commit 063c1f54ea
2 changed files with 16 additions and 48 deletions
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32
insmod.c
View File

@ -133,7 +133,7 @@
#ifndef MODUTILS_MODULE_H #ifndef MODUTILS_MODULE_H
static const int MODUTILS_MODULE_H = 1; static const int MODUTILS_MODULE_H = 1;
#ident "$Id: insmod.c,v 1.70 2001/07/31 22:51:49 andersen Exp $" #ident "$Id: insmod.c,v 1.71 2001/08/06 14:18:08 kraai Exp $"
/* This file contains the structures used by the 2.0 and 2.1 kernels. /* This file contains the structures used by the 2.0 and 2.1 kernels.
We do not use the kernel headers directly because we do not wish We do not use the kernel headers directly because we do not wish
@ -350,7 +350,7 @@ int delete_module(const char *);
#ifndef MODUTILS_OBJ_H #ifndef MODUTILS_OBJ_H
static const int MODUTILS_OBJ_H = 1; static const int MODUTILS_OBJ_H = 1;
#ident "$Id: insmod.c,v 1.70 2001/07/31 22:51:49 andersen Exp $" #ident "$Id: insmod.c,v 1.71 2001/08/06 14:18:08 kraai Exp $"
/* The relocatable object is manipulated using elfin types. */ /* The relocatable object is manipulated using elfin types. */
@ -1304,22 +1304,6 @@ static unsigned long obj_elf_hash(const char *name)
} }
#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING #ifdef BB_FEATURE_INSMOD_VERSION_CHECKING
/* Get the kernel version in the canonical integer form. */
static int get_kernel_version(char str[STRVERSIONLEN])
{
struct utsname uts_info;
int kv;
if (uname(&uts_info) < 0)
return -1;
strncpy(str, uts_info.release, STRVERSIONLEN);
kv = get_kernel_revision();
if(kv==0)
return -1;
}
/* String comparison for non-co-versioned kernel and module. */ /* String comparison for non-co-versioned kernel and module. */
static int ncv_strcmp(const char *a, const char *b) static int ncv_strcmp(const char *a, const char *b)
@ -3239,8 +3223,7 @@ extern int insmod_main( int argc, char **argv)
int exit_status = EXIT_FAILURE; int exit_status = EXIT_FAILURE;
int m_has_modinfo; int m_has_modinfo;
#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING #ifdef BB_FEATURE_INSMOD_VERSION_CHECKING
int k_version; struct utsname uts_info;
char k_strversion[STRVERSIONLEN];
char m_strversion[STRVERSIONLEN]; char m_strversion[STRVERSIONLEN];
int m_version; int m_version;
int m_crcs; int m_crcs;
@ -3355,7 +3338,8 @@ extern int insmod_main( int argc, char **argv)
#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING #ifdef BB_FEATURE_INSMOD_VERSION_CHECKING
/* Version correspondence? */ /* Version correspondence? */
k_version = get_kernel_version(k_strversion); if (uname(&uts_info) < 0)
uts_info.release[0] = '\0';
if (m_has_modinfo) { if (m_has_modinfo) {
m_version = new_get_module_version(f, m_strversion); m_version = new_get_module_version(f, m_strversion);
} else { } else {
@ -3367,17 +3351,17 @@ extern int insmod_main( int argc, char **argv)
} }
} }
if (strncmp(k_strversion, m_strversion, STRVERSIONLEN) != 0) { if (strncmp(uts_info.release, m_strversion, STRVERSIONLEN) != 0) {
if (flag_force_load) { if (flag_force_load) {
error_msg("Warning: kernel-module version mismatch\n" error_msg("Warning: kernel-module version mismatch\n"
"\t%s was compiled for kernel version %s\n" "\t%s was compiled for kernel version %s\n"
"\twhile this kernel is version %s", "\twhile this kernel is version %s",
m_filename, m_strversion, k_strversion); m_filename, m_strversion, uts_info.release);
} else { } else {
error_msg("kernel-module version mismatch\n" error_msg("kernel-module version mismatch\n"
"\t%s was compiled for kernel version %s\n" "\t%s was compiled for kernel version %s\n"
"\twhile this kernel is version %s.", "\twhile this kernel is version %s.",
m_filename, m_strversion, k_strversion); m_filename, m_strversion, uts_info.release);
goto out; goto out;
} }
} }

32
modutils/insmod.c
View File

@ -133,7 +133,7 @@
#ifndef MODUTILS_MODULE_H #ifndef MODUTILS_MODULE_H
static const int MODUTILS_MODULE_H = 1; static const int MODUTILS_MODULE_H = 1;
#ident "$Id: insmod.c,v 1.70 2001/07/31 22:51:49 andersen Exp $" #ident "$Id: insmod.c,v 1.71 2001/08/06 14:18:08 kraai Exp $"
/* This file contains the structures used by the 2.0 and 2.1 kernels. /* This file contains the structures used by the 2.0 and 2.1 kernels.
We do not use the kernel headers directly because we do not wish We do not use the kernel headers directly because we do not wish
@ -350,7 +350,7 @@ int delete_module(const char *);
#ifndef MODUTILS_OBJ_H #ifndef MODUTILS_OBJ_H
static const int MODUTILS_OBJ_H = 1; static const int MODUTILS_OBJ_H = 1;
#ident "$Id: insmod.c,v 1.70 2001/07/31 22:51:49 andersen Exp $" #ident "$Id: insmod.c,v 1.71 2001/08/06 14:18:08 kraai Exp $"
/* The relocatable object is manipulated using elfin types. */ /* The relocatable object is manipulated using elfin types. */
@ -1304,22 +1304,6 @@ static unsigned long obj_elf_hash(const char *name)
} }
#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING #ifdef BB_FEATURE_INSMOD_VERSION_CHECKING
/* Get the kernel version in the canonical integer form. */
static int get_kernel_version(char str[STRVERSIONLEN])
{
struct utsname uts_info;
int kv;
if (uname(&uts_info) < 0)
return -1;
strncpy(str, uts_info.release, STRVERSIONLEN);
kv = get_kernel_revision();
if(kv==0)
return -1;
}
/* String comparison for non-co-versioned kernel and module. */ /* String comparison for non-co-versioned kernel and module. */
static int ncv_strcmp(const char *a, const char *b) static int ncv_strcmp(const char *a, const char *b)
@ -3239,8 +3223,7 @@ extern int insmod_main( int argc, char **argv)
int exit_status = EXIT_FAILURE; int exit_status = EXIT_FAILURE;
int m_has_modinfo; int m_has_modinfo;
#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING #ifdef BB_FEATURE_INSMOD_VERSION_CHECKING
int k_version; struct utsname uts_info;
char k_strversion[STRVERSIONLEN];
char m_strversion[STRVERSIONLEN]; char m_strversion[STRVERSIONLEN];
int m_version; int m_version;
int m_crcs; int m_crcs;
@ -3355,7 +3338,8 @@ extern int insmod_main( int argc, char **argv)
#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING #ifdef BB_FEATURE_INSMOD_VERSION_CHECKING
/* Version correspondence? */ /* Version correspondence? */
k_version = get_kernel_version(k_strversion); if (uname(&uts_info) < 0)
uts_info.release[0] = '\0';
if (m_has_modinfo) { if (m_has_modinfo) {
m_version = new_get_module_version(f, m_strversion); m_version = new_get_module_version(f, m_strversion);
} else { } else {
@ -3367,17 +3351,17 @@ extern int insmod_main( int argc, char **argv)
} }
} }
if (strncmp(k_strversion, m_strversion, STRVERSIONLEN) != 0) { if (strncmp(uts_info.release, m_strversion, STRVERSIONLEN) != 0) {
if (flag_force_load) { if (flag_force_load) {
error_msg("Warning: kernel-module version mismatch\n" error_msg("Warning: kernel-module version mismatch\n"
"\t%s was compiled for kernel version %s\n" "\t%s was compiled for kernel version %s\n"
"\twhile this kernel is version %s", "\twhile this kernel is version %s",
m_filename, m_strversion, k_strversion); m_filename, m_strversion, uts_info.release);
} else { } else {
error_msg("kernel-module version mismatch\n" error_msg("kernel-module version mismatch\n"
"\t%s was compiled for kernel version %s\n" "\t%s was compiled for kernel version %s\n"
"\twhile this kernel is version %s.", "\twhile this kernel is version %s.",
m_filename, m_strversion, k_strversion); m_filename, m_strversion, uts_info.release);
goto out; goto out;
} }
} }