From: "Anthony G. Basile" <blueness@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/elfix:master commit in: src/
Date: Sun, 27 Nov 2011 00:26:33 +0000 (UTC) [thread overview]
Message-ID: <43c2929f6a7e29a32cc812f3974857fc08544dd7.blueness@gentoo> (raw)
commit: 43c2929f6a7e29a32cc812f3974857fc08544dd7
Author: Anthony G. Basile <blueness <AT> gentoo <DOT> org>
AuthorDate: Sun Nov 27 00:26:27 2011 +0000
Commit: Anthony G. Basile <blueness <AT> gentoo <DOT> org>
CommitDate: Sun Nov 27 00:26:27 2011 +0000
URL: http://git.overlays.gentoo.org/gitweb/?p=proj/elfix.git;a=commit;h=43c2929f
src/paxctl-ng.c: build with/without xattr support
---
src/paxctl-ng.c | 28 +++++++++++++++++++++++++---
1 files changed, 25 insertions(+), 3 deletions(-)
diff --git a/src/paxctl-ng.c b/src/paxctl-ng.c
index 5527e40..427281b 100644
--- a/src/paxctl-ng.c
+++ b/src/paxctl-ng.c
@@ -24,7 +24,10 @@
#include <libgen.h>
#include <gelf.h>
+
+#ifdef XATTR
#include <attr/xattr.h>
+#endif
#include <sys/types.h>
#include <sys/stat.h>
@@ -33,15 +36,16 @@
#include <config.h>
-
+#ifdef XATTR
#define PAX_NAMESPACE "user.pax"
-#define BUF_SIZE 8
-#define FILE_NAME_SIZE 32768
#define CREATE_XT_FLAGS_SECURE 1
#define CREATE_XT_FLAGS_DEFAULT 2
#define COPY_PT_TO_XT_FLAGS 3
#define COPY_XT_TO_PT_FLAGS 4
+#endif
+
+#define BUF_SIZE 8
void
print_help_exit(char *v)
@@ -53,7 +57,9 @@ print_help_exit(char *v)
"Program Name : %s\n"
"Description : Get or set pax flags on an ELF object\n\n"
"Usage : %s -PpEeMmRrXxSsv ELF | -Zv ELF | -zv ELF\n"
+#ifdef XATTR
" : %s -Cv ELF | -cv ELF | Fv ELF | -fv ELF\n"
+#endif
" : %s -v ELF | -h\n\n"
"Options : -P enable PAGEEXEC\t-p disable PAGEEXEC\n"
" : -S enable SEGMEXEC\t-s disable SEGMEXEC\n"
@@ -62,10 +68,12 @@ print_help_exit(char *v)
" : -R enable RANDMMAP\t-r disable RANDMMAP\n"
" : -X enable RANDEXEC\t-x disable RANDEXEC\n"
" : -Z most secure settings\t-z all default settings\n"
+#ifdef XATTR
" : -C create XT_PAX with most secure setting\n"
" : -c create XT_PAX all default settings\n"
" : -F copy PT_PAX to XT_PAX\n"
" : -f copy XT_PAX to PT_PAX\n"
+#endif
" : -v view the flags, along with any accompanying operation\n"
" : -h print out this help\n\n"
"Note : If both enabling and disabling flags are set, the default - is used\n\n",
@@ -154,6 +162,7 @@ parse_cmd_args(int argc, char *argv[], uint16_t *pax_flags, int *view_flags, int
PF_RANDMMAP | PF_NORANDMMAP | PF_RANDEXEC | PF_NORANDEXEC;
solitaire += 1;
break;
+#ifdef XATTR
case 'C':
solitaire += 1;
*cp_flags = CREATE_XT_FLAGS_SECURE;
@@ -170,6 +179,7 @@ parse_cmd_args(int argc, char *argv[], uint16_t *pax_flags, int *view_flags, int
solitaire += 1;
*cp_flags = COPY_XT_TO_PT_FLAGS;
break;
+#endif
case 'v':
*view_flags = 1;
break;
@@ -243,6 +253,7 @@ get_pt_flags(int fd)
}
+#ifdef XATTR
uint16_t
get_xt_flags(int fd)
{
@@ -251,6 +262,7 @@ get_xt_flags(int fd)
fgetxattr(fd, PAX_NAMESPACE, &xt_flags, sizeof(uint16_t));
return xt_flags;
}
+#endif
void
@@ -292,6 +304,7 @@ print_flags(int fd)
printf("\tPT_PAX: %s\n", buf);
}
+#ifdef XATTR
flags = get_xt_flags(fd);
if( flags == UINT16_MAX )
printf("\tXT_PAX: not found\n");
@@ -301,6 +314,7 @@ print_flags(int fd)
bin2string(flags, buf);
printf("\tXT_PAX: %s\n", buf);
}
+#endif
}
@@ -467,11 +481,13 @@ set_pt_flags(int fd, uint16_t pt_flags)
}
+#ifdef XATTR
void
set_xt_flags(int fd, uint16_t xt_flags)
{
fsetxattr(fd, PAX_NAMESPACE, &xt_flags, sizeof(uint16_t), XATTR_REPLACE);
}
+#endif
void
@@ -488,14 +504,17 @@ set_flags(int fd, uint16_t *pax_flags, int rdwr_pt_pax)
set_pt_flags(fd, flags);
}
+#ifdef XATTR
flags = get_xt_flags(fd);
if( flags == UINT16_MAX )
flags = PF_NOEMUTRAMP | PF_NORANDEXEC;
flags = update_flags( flags, *pax_flags);
set_xt_flags(fd, flags);
+#endif
}
+#ifdef XATTR
void
create_xt_flags(fd, cp_flags)
{
@@ -526,6 +545,7 @@ copy_xt_flags(fd, cp_flags)
set_pt_flags(fd, flags);
}
}
+#endif
int
@@ -553,11 +573,13 @@ main( int argc, char *argv[])
}
}
+#ifdef XATTR
if(cp_flags == CREATE_XT_FLAGS_SECURE || cp_flags == CREATE_XT_FLAGS_DEFAULT)
create_xt_flags(fd, cp_flags);
if(cp_flags == COPY_PT_TO_XT_FLAGS || (cp_flags == COPY_XT_TO_PT_FLAGS && rdwr_pt_pax))
copy_xt_flags(fd, cp_flags);
+#endif
if(pax_flags != 1)
set_flags(fd, &pax_flags, rdwr_pt_pax);
next reply other threads:[~2011-11-27 0:26 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-27 0:26 Anthony G. Basile [this message]
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2018-12-13 14:48 [gentoo-commits] proj/elfix:master commit in: src/ Anthony G. Basile
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