d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Check the executable's header to make sure it is a valid executable.

Browse Source 
If it is ELF, print a diagnostic saying that it is not supported yet
by this program.  This is a stop-gap anti-bug-report measure because
it looks like there won't be time to implement gcore's ELF support
before 3.0 is released.
This commit is contained in:
jdp 1998-10-14 16:16:50 +00:00
parent 1f69c742ab
commit f417a55b2f
2 changed files with 18 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
usr.bin/gcore/aoutcore.c
View File

@ -42,7 +42,7 @@ static const char copyright[] =
static char sccsid[] = "@(#)gcore.c 8.2 (Berkeley) 9/23/93";
#endif
static const char rcsid[] =
"$Id: gcore.c,v 1.8 1998/08/24 16:25:30 wosch Exp $";
"$Id: gcore.c,v 1.9 1998/09/14 10:09:30 des Exp $";
#endif /* not lint */
/*
@ -66,6 +66,7 @@ static const char rcsid[] =
#include <machine/vmparam.h>
#include <a.out.h>
#include <elf.h>
#include <err.h>
#include <fcntl.h>
#include <kvm.h>
@ -174,6 +175,13 @@ main(argc, argv)
if (cnt != sizeof(exec))
errx(1, "%s exec header: %s",
binfile, cnt > 0 ? strerror(EIO) : strerror(errno));
if (N_BADMAG(exec)) {
const Elf_Ehdr *ehdr = (const Elf_Ehdr *)&exec;
if (IS_ELF(*ehdr))
errx(1, "ELF executables are not supported yet");
errx(1, "Invalid executable file");
}
/* check the text segment size of the executable and the process */
if (exec.a_text != ptoa(ki->kp_eproc.e_vm.vm_tsize))

10
usr.bin/gcore/gcore.c
View File

@ -42,7 +42,7 @@ static const char copyright[] =
static char sccsid[] = "@(#)gcore.c 8.2 (Berkeley) 9/23/93";
#endif
static const char rcsid[] =
"$Id: gcore.c,v 1.8 1998/08/24 16:25:30 wosch Exp $";
"$Id: gcore.c,v 1.9 1998/09/14 10:09:30 des Exp $";
#endif /* not lint */
/*
@ -66,6 +66,7 @@ static const char rcsid[] =
#include <machine/vmparam.h>
#include <a.out.h>
#include <elf.h>
#include <err.h>
#include <fcntl.h>
#include <kvm.h>
@ -174,6 +175,13 @@ main(argc, argv)
if (cnt != sizeof(exec))
errx(1, "%s exec header: %s",
binfile, cnt > 0 ? strerror(EIO) : strerror(errno));
if (N_BADMAG(exec)) {
const Elf_Ehdr *ehdr = (const Elf_Ehdr *)&exec;
if (IS_ELF(*ehdr))
errx(1, "ELF executables are not supported yet");
errx(1, "Invalid executable file");
}
/* check the text segment size of the executable and the process */
if (exec.a_text != ptoa(ki->kp_eproc.e_vm.vm_tsize))