mirror of
https://github.com/sheumann/hush.git
synced 2024-09-12 00:55:11 +00:00
Accomodate the fact that newer libc versions may in fact not
contain query_module and friends and more
This commit is contained in:
parent
95b26250a7
commit
ec359e9ebb
@ -23,22 +23,33 @@
|
||||
#include <stdio.h>
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
/* Kernel headers before 2.1.mumble need this on the Alpha to get
|
||||
_syscall* defined. */
|
||||
#define __LIBRARY__
|
||||
#include <sys/syscall.h>
|
||||
#include "libbb.h"
|
||||
|
||||
|
||||
/* These syscalls are not included in very old glibc versions */
|
||||
#if ((__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1))
|
||||
int delete_module(const char *name)
|
||||
{
|
||||
#ifndef __NR_delete_module
|
||||
#warning This kernel does not support the delete_module syscall
|
||||
#warning -> The delete_module system call is being stubbed out...
|
||||
errno=ENOSYS;
|
||||
return -1;
|
||||
#else
|
||||
return(syscall(__NR_delete_module, name));
|
||||
#endif
|
||||
}
|
||||
|
||||
int get_kernel_syms(__ptr_t ks)
|
||||
{
|
||||
#ifndef __NR_get_kernel_syms
|
||||
#warning This kernel does not support the get_kernel_syms syscall
|
||||
#warning -> The get_kernel_syms system call is being stubbed out...
|
||||
errno=ENOSYS;
|
||||
return -1;
|
||||
#else
|
||||
return(syscall(__NR_get_kernel_syms, ks));
|
||||
#endif
|
||||
}
|
||||
|
||||
/* This may have 5 arguments (for old 2.0 kernels) or 2 arguments
|
||||
@ -46,7 +57,14 @@ int get_kernel_syms(__ptr_t ks)
|
||||
* and let the kernel cope with whatever it gets. Its good at that. */
|
||||
int init_module(void *first, void *second, void *third, void *fourth, void *fifth)
|
||||
{
|
||||
#ifndef __NR_init_module
|
||||
#warning This kernel does not support the init_module syscall
|
||||
#warning -> The init_module system call is being stubbed out...
|
||||
errno=ENOSYS;
|
||||
return -1;
|
||||
#else
|
||||
return(syscall(__NR_init_module, first, second, third, fourth, fifth));
|
||||
#endif
|
||||
}
|
||||
|
||||
int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret)
|
||||
@ -66,6 +84,12 @@ int query_module(const char *name, int which, void *buf, size_t bufsize, size_t
|
||||
/* Jump through hoops to fixup error return codes */
|
||||
unsigned long create_module(const char *name, size_t size)
|
||||
{
|
||||
#ifndef __NR_create_module
|
||||
#warning This kernel does not support the create_module syscall
|
||||
#warning -> The create_module system call is being stubbed out...
|
||||
errno=ENOSYS;
|
||||
return -1;
|
||||
#else
|
||||
long ret = syscall(__NR_create_module, name, size);
|
||||
|
||||
if (ret == -1 && errno > 125) {
|
||||
@ -73,9 +97,8 @@ unsigned long create_module(const char *name, size_t size)
|
||||
errno = 0;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
/* END CODE */
|
||||
|
Loading…
Reference in New Issue
Block a user