ghidra/GhidraDocs/GhidraClass/ExerciseFiles/Debugger/anyptracer.c

37 lines
1.4 KiB
C

/* ###
* IP: GHIDRA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <pwd.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/prctl.h>
int main(int argc, char *argv[], char *envp[]) {
if (argc != 2) {
fprintf(stderr, "Usage: %s COMMAND\n\
\n\
COMMAND A shell command to execute as in /bin/sh -c COMMAND. This must be\n\
a single argument. To run a command with multiple arguments,\n\
enclose the full command in quotations.\n\
\n\
Execute the given COMMAND allowing any other process to attach to it. This is\n\
done using prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY), so that on Linux systems\n\
with Yama ptrace_scope=1, gdb, strace, lldb, etc., can attach to it.\n\
", argv[0]);
}
char* shell = getpwuid(geteuid())->pw_shell;
prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY);
execl(shell, shell, "-c", argv[1], (char *) NULL);
}