233 lines
8.7 KiB
Plaintext
Executable File
233 lines
8.7 KiB
Plaintext
Executable File
#!/usr/sbin/dtrace -s
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/* -
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* Copyright (c) 2014-2016 Devin Teske <dteske@FreeBSD.org>
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Title: dtrace(1) script to log process(es) entering syscall::kill $
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* $FreeBSD$
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*/
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#pragma D option quiet
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#pragma D option dynvarsize=16m
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#pragma D option switchrate=10hz
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/*********************************************************/
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syscall::execve:entry /* probe ID 1 */
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{
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this->caller_execname = execname;
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}
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/*********************************************************/
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syscall::kill:entry /* probe ID 2 */
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{
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this->pid_to_kill = (pid_t)arg0;
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this->kill_signal = (int)arg1;
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/*
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* Examine process, parent process, and grandparent process details
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*/
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/******************* CURPROC *******************/
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this->proc = curthread->td_proc;
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this->pid0 = this->proc->p_pid;
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this->uid0 = this->proc->p_ucred->cr_uid;
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this->gid0 = this->proc->p_ucred->cr_rgid;
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this->p_args = this->proc->p_args;
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this->ar_length = this->p_args ? this->p_args->ar_length : 0;
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this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
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this->arg0_0 = this->ar_length > 0 ?
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this->ar_args : stringof(this->proc->p_comm);
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg0_1 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg0_2 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg0_3 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg0_4 = this->ar_length > 0 ? "..." : "";
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/******************* PPARENT *******************/
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this->proc = this->proc->p_pptr;
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this->pid1 = this->proc->p_pid;
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this->uid1 = this->proc->p_ucred->cr_uid;
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this->gid1 = this->proc->p_ucred->cr_rgid;
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this->p_args = this->proc ? this->proc->p_args : 0;
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this->ar_length = this->p_args ? this->p_args->ar_length : 0;
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this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
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this->arg1_0 = this->ar_length > 0 ?
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this->ar_args : stringof(this->proc->p_comm);
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg1_1 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg1_2 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg1_3 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg1_4 = this->ar_length > 0 ? "..." : "";
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/******************* GPARENT *******************/
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this->proc = this->proc->p_pptr;
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this->pid2 = this->proc->p_pid;
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this->uid2 = this->proc->p_ucred->cr_uid;
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this->gid2 = this->proc->p_ucred->cr_rgid;
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this->p_args = this->proc ? this->proc->p_args : 0;
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this->ar_length = this->p_args ? this->p_args->ar_length : 0;
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this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
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this->arg2_0 = this->ar_length > 0 ?
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this->ar_args : stringof(this->proc->p_comm);
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg2_1 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg2_2 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg2_3 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg2_4 = this->ar_length > 0 ? "..." : "";
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/******************* APARENT *******************/
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this->proc = this->proc->p_pptr;
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this->pid3 = this->proc->p_pid;
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this->uid3 = this->proc->p_ucred->cr_uid;
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this->gid3 = this->proc->p_ucred->cr_rgid;
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this->p_args = this->proc ? this->proc->p_args : 0;
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this->ar_length = this->p_args ? this->p_args->ar_length : 0;
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this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
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this->arg3_0 = this->ar_length > 0 ?
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this->ar_args : stringof(this->proc->p_comm);
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg3_1 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg3_2 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg3_3 = this->ar_length > 0 ? this->ar_args : "";
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this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
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this->ar_args += this->len;
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this->ar_length -= this->len;
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this->arg3_4 = this->ar_length > 0 ? "..." : "";
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/***********************************************/
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/*
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* Print process, parent, and grandparent details
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*/
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printf("%Y %s[%d]: ", timestamp + 1406598400000000000,
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this->caller_execname, this->pid1);
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printf("%s", this->arg0_0);
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printf("%s%s", this->arg0_1 != "" ? " " : "", this->arg0_1);
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printf("%s%s", this->arg0_2 != "" ? " " : "", this->arg0_2);
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printf("%s%s", this->arg0_3 != "" ? " " : "", this->arg0_3);
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printf("%s%s", this->arg0_4 != "" ? " " : "", this->arg0_4);
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printf(" (sending signal %u to pid %u)",
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this->kill_signal, this->pid_to_kill);
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printf("\n");
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printf(" -+= %05d %d.%d %s",
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this->pid3, this->uid3, this->gid3, this->arg3_0);
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printf("%s%s", this->arg3_1 != "" ? " " : "", this->arg3_1);
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printf("%s%s", this->arg3_2 != "" ? " " : "", this->arg3_2);
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printf("%s%s", this->arg3_3 != "" ? " " : "", this->arg3_3);
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printf("%s%s", this->arg3_4 != "" ? " " : "", this->arg3_4);
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printf("%s", this->arg3_0 != "" ? "\n" : "");
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printf(" \-+= %05d %d.%d %s",
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this->pid2, this->uid2, this->gid2, this->arg2_0);
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printf("%s%s", this->arg2_1 != "" ? " " : "", this->arg2_1);
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printf("%s%s", this->arg2_2 != "" ? " " : "", this->arg2_2);
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printf("%s%s", this->arg2_3 != "" ? " " : "", this->arg2_3);
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printf("%s%s", this->arg2_4 != "" ? " " : "", this->arg2_4);
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printf("%s", this->arg2_0 != "" ? "\n" : "");
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printf(" \-+= %05d %d.%d %s",
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this->pid1, this->uid1, this->gid1, this->arg1_0);
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printf("%s%s", this->arg1_1 != "" ? " " : "", this->arg1_1);
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printf("%s%s", this->arg1_2 != "" ? " " : "", this->arg1_2);
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printf("%s%s", this->arg1_3 != "" ? " " : "", this->arg1_3);
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printf("%s%s", this->arg1_4 != "" ? " " : "", this->arg1_4);
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printf("%s", this->arg1_0 != "" ? "\n" : "");
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printf(" \-+= %05d %d.%d %s",
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this->pid0, this->uid0, this->gid0, this->arg0_0);
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printf("%s%s", this->arg0_1 != "" ? " " : "", this->arg0_1);
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printf("%s%s", this->arg0_2 != "" ? " " : "", this->arg0_2);
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printf("%s%s", this->arg0_3 != "" ? " " : "", this->arg0_3);
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printf("%s%s", this->arg0_4 != "" ? " " : "", this->arg0_4);
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printf("%s", this->arg0_0 != "" ? "\n" : "");
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}
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