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-rw-r--r--bin/systrace/intercept.c3
-rw-r--r--bin/systrace/intercept.h4
-rw-r--r--bin/systrace/register.c11
-rw-r--r--bin/systrace/systrace.c12
4 files changed, 19 insertions, 11 deletions
diff --git a/bin/systrace/intercept.c b/bin/systrace/intercept.c
index 0ddb9590e0c..44c2accf41e 100644
--- a/bin/systrace/intercept.c
+++ b/bin/systrace/intercept.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: intercept.c,v 1.14 2002/07/10 13:46:13 provos Exp $ */
+/* $OpenBSD: intercept.c,v 1.15 2002/07/12 12:26:29 provos Exp $ */
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
@@ -32,6 +32,7 @@
#include <sys/types.h>
#include <sys/param.h>
#include <sys/tree.h>
+#include <sys/wait.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
diff --git a/bin/systrace/intercept.h b/bin/systrace/intercept.h
index 029ac2b026f..137ba307c9d 100644
--- a/bin/systrace/intercept.h
+++ b/bin/systrace/intercept.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: intercept.h,v 1.5 2002/07/09 20:46:18 provos Exp $ */
+/* $OpenBSD: intercept.h,v 1.6 2002/07/12 12:26:29 provos Exp $ */
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
@@ -64,7 +64,7 @@ struct intercept_system {
#define ICPOLICY_ASK 0
#define ICPOLICY_PERMIT -1
#define ICPOLICY_KILL -2
-#define ICPOLICY_NEVER 1
+#define ICPOLICY_NEVER 1 /* overloaded with errno values > 1 */
#define ICFLAGS_RESULT 1
diff --git a/bin/systrace/register.c b/bin/systrace/register.c
index 6071bc5cdc6..bc07ffc41f6 100644
--- a/bin/systrace/register.c
+++ b/bin/systrace/register.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: register.c,v 1.1 2002/07/11 12:57:41 provos Exp $ */
+/* $OpenBSD: register.c,v 1.2 2002/07/12 12:26:29 provos Exp $ */
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
@@ -132,6 +132,15 @@ systrace_initcb(void)
intercept_register_transstring("native", "symlink", 0);
intercept_register_translink("native", "symlink", 1);
+ X(intercept_register_sccb("native", "setuid", trans_cb, NULL));
+ intercept_register_translation("native", "setuid", 0, &uidt);
+ X(intercept_register_sccb("native", "seteuid", trans_cb, NULL));
+ intercept_register_translation("native", "seteuid", 0, &uidt);
+ X(intercept_register_sccb("native", "setgid", trans_cb, NULL));
+ intercept_register_translation("native", "setgid", 0, &gidt);
+ X(intercept_register_sccb("native", "setegid", trans_cb, NULL));
+ intercept_register_translation("native", "setegid", 0, &gidt);
+
X(intercept_register_sccb("linux", "open", trans_cb, NULL));
tl = intercept_register_translink("linux", "open", 0);
intercept_register_translation("linux", "open", 1, &linux_oflags);
diff --git a/bin/systrace/systrace.c b/bin/systrace/systrace.c
index 779db20916e..cd0b4830a40 100644
--- a/bin/systrace/systrace.c
+++ b/bin/systrace/systrace.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: systrace.c,v 1.25 2002/07/11 12:57:41 provos Exp $ */
+/* $OpenBSD: systrace.c,v 1.26 2002/07/12 12:26:29 provos Exp $ */
/*
* Copyright 2002 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
@@ -70,9 +70,7 @@ make_output(char *output, size_t outlen, char *binname, pid_t pid,
{
struct intercept_translate *tl;
char *p, *line;
- int size, dorepl;
-
- dorepl = tl != NULL && repl != NULL;
+ int size;
snprintf(output, outlen,
"%s, pid: %d(%d), policy: %s, filters: %d, syscall: %s-%s(%d)",
@@ -82,7 +80,7 @@ make_output(char *output, size_t outlen, char *binname, pid_t pid,
p = output + strlen(output);
size = outlen - strlen(output);
- if (dorepl)
+ if (repl != NULL)
intercept_replace_init(repl);
TAILQ_FOREACH(tl, tls, next) {
if (!tl->trans_valid)
@@ -95,7 +93,7 @@ make_output(char *output, size_t outlen, char *binname, pid_t pid,
p = output + strlen(output);
size = sizeof(output) - strlen(output);
- if (dorepl && tl->trans_size)
+ if (repl != NULL && tl->trans_size)
intercept_replace_add(repl, tl->off,
tl->trans_data, tl->trans_size);
}
@@ -193,7 +191,7 @@ trans_cb(int fd, pid_t pid, int policynr,
action = ICPOLICY_NEVER;
}
replace:
- if (action != ICPOLICY_NEVER) {
+ if (action < ICPOLICY_NEVER) {
/* If we can not rewrite the arguments, system call fails */
if (intercept_replace(fd, pid, &repl) == -1)
action = ICPOLICY_NEVER;