#!/usr/bin/env python3 # -*- coding: utf-8 -*- """A strace wrapper with colors.""" import enum import sys import subprocess # from man syscalls syscall_set = set( [ "_llseek", "_newselect", "_sysctl", "accept", "accept4", "access", "acct", "add_key", "adjtimex", "alarm", "alloc_hugepages", "arc_gettls", "arc_settls", "arc_usr_cmpxchg", "arch_prctl", "atomic_barrier", "atomic_cmpxchg_32", "bdflush", "bind", "bpf", "brk", "breakpoint", "cacheflush", "capget", "capset", "chdir", "chmod", "chown", "chown32", "chroot", "clock_adjtime", "clock_getres", "clock_gettime", "clock_nanosleep", "clock_settime", "clone2", "clone", "clone3", "close", "close_range", "connect", "copy_file_range", "creat", "create_module", "delete_module", "dup", "dup2", "dup3", "epoll_create", "epoll_create1", "epoll_ctl", "epoll_pwait", "epoll_pwait2", "epoll_wait", "eventfd", "eventfd2", "execv", "execve", "execveat", "exit", "exit_group", "faccessat", "faccessat2", "fadvise64", "fadvise64_64", "fallocate", "fanotify_init", "fanotify_mark", "fchdir", "fchmod", "fchmodat", "fchown", "fchown32", "fchownat", "fcntl", "fcntl64", "fdatasync", "fgetxattr", "finit_module", "flistxattr", "flock", "fork", "free_hugepages", "fremovexattr", "fsconfig", "fsetxattr", "fsmount", "fsopen", "fspick", "fstat", "fstat64", "fstatat64", "fstatfs", "fstatfs64", "fsync", "ftruncate", "ftruncate64", "futex", "futimesat", "get_kernel_syms", "get_mempolicy", "get_robust_list", "get_thread_area", "get_tls", "getcpu", "getcwd", "getdents", "getdents64", "getdomainname", "getdtablesize", "getegid", "getegid32", "geteuid", "geteuid32", "getgid", "getgid32", "getgroups", "getgroups32", "gethostname", "getitimer", "getpeername", "getpagesize", "getpgid", "getpgrp", "getpid", "getppid", "getpriority", "getrandom", "getresgid", "getresgid32", "getresuid", "getresuid32", "getrlimit", "getrusage", "getsid", "getsockname", "getsockopt", "gettid", "gettimeofday", "getuid", "getuid32", "getunwind", "getxattr", "getxgid", "getxpid", "getxuid", "init_module", "inotify_add_watch", "inotify_init", "inotify_init1", "inotify_rm_watch", "io_cancel", "io_destroy", "io_getevents", "io_pgetevents", "io_setup", "io_submit", "io_uring_enter", "io_uring_register", "io_uring_setup", "ioctl", "ioperm", "iopl", "ioprio_get", "ioprio_set", "ipc", "kcmp", "kern_features", "kexec_file_load", "kexec_load", "keyctl", "kill", "landlock_add_rule", "landlock_create_ruleset", "landlock_restrict_self", "landlock_add_rule", "lchown", "lchown32", "lgetxattr", "link", "linkat", "listen", "listxattr", "llistxattr", "lookup_dcookie", "lremovexattr", "lseek", "lsetxattr", "lstat", "lstat64", "madvise", "mbind", "memory_ordering", "membarrier", "memfd_create", "migrate_pages", "mincore", "mkdir", "mkdirat", "mknod", "mknodat", "mlock", "mlock2", "mlockall", "mmap", "mmap2", "modify_ldt", "mount", "move_mount", "move_pages", "mprotect", "mq_getsetattr", "mq_notify", "mq_open", "mq_timedreceive", "mq_timedsend", "mq_unlink", "mremap", "msgctl", "msgget", "msgrcv", "msgsnd", "msync", "munlock", "munlockall", "munmap", "name_to_handle_at", "nanosleep", "newfstatat", "nfsservctl", "nice", "old_adjtimex", "old_getrlimit", "oldfstat", "oldlstat", "oldolduname", "oldstat", "oldumount", "olduname", "open", "open_by_handle_at", "open_tree", "openat", "openat2", "or1k_atomic", "pause", "pciconfig_iobase", "pciconfig_read", "pciconfig_write", "perf_event_open", "personality", "perfctr", "perfmonctl", "pidfd_getfd", "pidfd_send_signal", "pidfd_open", "pipe", "pipe2", "pivot_root", "pkey_alloc", "pkey_free", "pkey_mprotect", "poll", "ppoll", "prctl", "pread64", "preadv", "preadv2", "prlimit64", "process_madvise", "process_vm_readv", "process_vm_writev", "pselect6", "ptrace", "pwrite64", "pwritev", "pwritev2", "query_module", "quotactl", "quotactl_fd", "read", "readahead", "readdir", "readlink", "readlinkat", "readv", "reboot", "recv", "recvfrom", "recvmsg", "recvmmsg", "remap_file_pages", "removexattr", "rename", "renameat", "renameat2", "request_key", "restart_syscall", "riscv_flush_icache", "rmdir", "rseq", "rt_sigaction", "rt_sigpending", "rt_sigprocmask", "rt_sigqueueinfo", "rt_sigreturn", "rt_sigsuspend", "rt_sigtimedwait", "rt_tgsigqueueinfo", "rtas", "s390_runtime_instr", "s390_pci_mmio_read", "s390_pci_mmio_write", "s390_sthyi", "s390_guarded_storage", "sched_get_affinity", "sched_get_priority_max", "sched_get_priority_min", "sched_getaffinity", "sched_getattr", "sched_getparam", "sched_getscheduler", "sched_rr_get_interval", "sched_set_affinity", "sched_setaffinity", "sched_setattr", "sched_setparam", "sched_setscheduler", "sched_yield", "seccomp", "select", "semctl", "semget", "semop", "semtimedop", "send", "sendfile", "sendfile64", "sendmmsg", "sendmsg", "sendto", "set_mempolicy", "set_robust_list", "set_thread_area", "set_tid_address", "set_tls", "setdomainname", "setfsgid", "setfsgid32", "setfsuid", "setfsuid32", "setgid", "setgid32", "setgroups", "setgroups32", "sethae", "sethostname", "setitimer", "setns", "setpgid", "setpgrp", "setpriority", "setregid", "setregid32", "setresgid", "setresgid32", "setresuid", "setresuid32", "setreuid", "setreuid32", "setrlimit", "setsid", "setsockopt", "settimeofday", "setuid", "setuid32", "setup", "setxattr", "sgetmask", "shmat", "shmctl", "shmdt", "shmget", "shutdown", "sigaction", "sigaltstack", "signal", "signalfd", "signalfd4", "sigpending", "sigprocmask", "sigreturn", "sigsuspend", "socket", "socketcall", "socketpair", "spill", "splice", "spu_create", "spu_run", "ssetmask", "stat", "stat64", "statfs", "statfs64", "statx", "stime", "subpage_prot", "swapcontext", "switch_endian", "swapoff", "swapon", "symlink", "symlinkat", "sync", "sync_file_range", "sync_file_range2", "syncfs", "sys_debug_setcontext", "syscall", "sysfs", "sysinfo", "syslog", "sysmips", "tee", "tgkill", "time", "timer_create", "timer_delete", "timer_getoverrun", "timer_gettime", "timer_settime", "timerfd_create", "timerfd_gettime", "timerfd_settime", "times", "tkill", "truncate", "truncate64", "ugetrlimit", "umask", "umount", "umount2", "uname", "unlink", "unlinkat", "unshare", "uselib", "ustat", "userfaultfd", "usr26", "usr32", "utime", "utimensat", "utimes", "utrap_install", "vfork", "vhangup", "vm86old", "vm86", "vmsplice", "wait4", "waitid", "waitpid", "write", "writev", "xtensa", ] ) # pylint: disable=too-few-public-methods class Color(enum.EnumType): """Color enumes""" bold = "\033[1m" faint = "\033[2m" italic = "\033[3m" underline = "\033[4m" blink = "\033[5m" negative = "\033[7m" crossed = "\033[9m" reset = "\033[0m" one = "\x1b[38;5;216m" two = "\x1b[38;5;192m" three = "\x1b[38;5;22m" four = "\x1b[38;5;25m" five = "\x1b[38;5;98m" six = "\x1b[38;5;68m" seven = "\x1b[38;5;59m" eight = "\x1b[38;5;36m" nine = "\x1b[38;5;202m" ten = "\x1b[38;5;100m" eleven = "\x1b[38;5;105m" twelve = "\x1b[38;5;106m" thirteen = "\x1b[38;5;96m" fourteen = "\x1b[38;5;31m" fifteen = "\x1b[38;5;23m" sixteen = "\x1b[38;5;105m" def call_from_shell_list(command_list): """run a shell command""" # we explicitly dont want to check for a non-zero return code # since we sometimes use strace to debuf failing applications return subprocess.run(command_list, capture_output=True) def main(): """entrypoint""" if len(sys.argv) < 2: print("you want to run something right?\nright?") sys.exit(1) args = sys.argv[1:] args.insert(0, "/usr/bin/strace") result = call_from_shell_list(args) lines = result.stderr.decode("utf-8").split("\n") if not sys.stdout.isatty(): for line in lines: print(line) else: end_line = lines[-2] lines = lines[:-2] for line in lines: # this is here to support the -i option if line[0] == "[": idx = line.find("]") if idx - 1 < 16: print(Color.twelve + line[0 : idx + 1], end=" ") line = line[idx + 2 :] if line[0] == "[": idx = line.find("]") if idx - 1 == 16: print(Color.thirteen + line[0 : idx + 1], end=" ") line = line[idx + 2 :] if line[0 : line.find("(")] in syscall_set: syscall = line[0 : line.find("(")] sysargs = line[line.find("(") + 1 : line.find(")")].split() exitvalue = line[line.find(")") + 1 :] print(Color.one + syscall, end=" ") print(Color.two, end=" ") sysargs = list(filter(None, sysargs)) for arg in sysargs: if arg.find("|") > 0: print(Color.five, arg, end=" ") else: print(arg, end=" ") print(Color.three + exitvalue + Color.reset) else: # leave regular stdout/stderr alone. we only want syscalls print(line) print(Color.reset + Color.bold + Color.nine + end_line + Color.reset) if __name__ == "__main__": main()