3 * Copyright (c) 2014 Devin Teske <dteske@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $Title: dtrace(1) script to log process(es) entering syscall::execve $
30 #pragma D option quiet
31 #pragma D option dynvarsize=16m
32 #pragma D option switchrate=10hz
34 /*********************************************************/
36 syscall::execve:entry /* probe ID 1 */
38 this->caller_execname = execname;
41 /*********************************************************/
43 syscall::execve:return /execname != this->caller_execname/ /* probe ID 2 */
46 * Examine process, parent process, and grandparent process details
49 /******************* CURPROC *******************/
51 this->proc = curthread->td_proc;
52 this->pid0 = this->proc->p_pid;
53 this->uid0 = this->proc->p_ucred->cr_uid;
54 this->gid0 = this->proc->p_ucred->cr_rgid;
55 this->p_args = this->proc->p_args;
56 this->ar_length = this->p_args ? this->p_args->ar_length : 0;
57 this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
59 this->arg0_0 = this->ar_length > 0 ?
60 this->ar_args : stringof(this->proc->p_comm);
61 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
62 this->ar_args += this->len;
63 this->ar_length -= this->len;
65 this->arg0_1 = this->ar_length > 0 ? this->ar_args : "";
66 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
67 this->ar_args += this->len;
68 this->ar_length -= this->len;
70 this->arg0_2 = this->ar_length > 0 ? this->ar_args : "";
71 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
72 this->ar_args += this->len;
73 this->ar_length -= this->len;
75 this->arg0_3 = this->ar_length > 0 ? this->ar_args : "";
76 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
77 this->ar_args += this->len;
78 this->ar_length -= this->len;
80 this->arg0_4 = this->ar_length > 0 ? "..." : "";
82 /******************* PPARENT *******************/
84 this->proc = this->proc->p_pptr;
85 this->pid1 = this->proc->p_pid;
86 this->uid1 = this->proc->p_ucred->cr_uid;
87 this->gid1 = this->proc->p_ucred->cr_rgid;
88 this->p_args = this->proc ? this->proc->p_args : 0;
89 this->ar_length = this->p_args ? this->p_args->ar_length : 0;
90 this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
92 this->arg1_0 = this->ar_length > 0 ?
93 this->ar_args : stringof(this->proc->p_comm);
94 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
95 this->ar_args += this->len;
96 this->ar_length -= this->len;
98 this->arg1_1 = this->ar_length > 0 ? this->ar_args : "";
99 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
100 this->ar_args += this->len;
101 this->ar_length -= this->len;
103 this->arg1_2 = this->ar_length > 0 ? this->ar_args : "";
104 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
105 this->ar_args += this->len;
106 this->ar_length -= this->len;
108 this->arg1_3 = this->ar_length > 0 ? this->ar_args : "";
109 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
110 this->ar_args += this->len;
111 this->ar_length -= this->len;
113 this->arg1_4 = this->ar_length > 0 ? "..." : "";
115 /******************* GPARENT *******************/
117 this->proc = this->proc->p_pptr;
118 this->pid2 = this->proc->p_pid;
119 this->uid2 = this->proc->p_ucred->cr_uid;
120 this->gid2 = this->proc->p_ucred->cr_rgid;
121 this->p_args = this->proc ? this->proc->p_args : 0;
122 this->ar_length = this->p_args ? this->p_args->ar_length : 0;
123 this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
125 this->arg2_0 = this->ar_length > 0 ?
126 this->ar_args : stringof(this->proc->p_comm);
127 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
128 this->ar_args += this->len;
129 this->ar_length -= this->len;
131 this->arg2_1 = this->ar_length > 0 ? this->ar_args : "";
132 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
133 this->ar_args += this->len;
134 this->ar_length -= this->len;
136 this->arg2_2 = this->ar_length > 0 ? this->ar_args : "";
137 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
138 this->ar_args += this->len;
139 this->ar_length -= this->len;
141 this->arg2_3 = this->ar_length > 0 ? this->ar_args : "";
142 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
143 this->ar_args += this->len;
144 this->ar_length -= this->len;
146 this->arg2_4 = this->ar_length > 0 ? "..." : "";
148 /******************* APARENT *******************/
150 this->proc = this->proc->p_pptr;
151 this->pid3 = this->proc->p_pid;
152 this->uid3 = this->proc->p_ucred->cr_uid;
153 this->gid3 = this->proc->p_ucred->cr_rgid;
154 this->p_args = this->proc ? this->proc->p_args : 0;
155 this->ar_length = this->p_args ? this->p_args->ar_length : 0;
156 this->ar_args = (char *)(this->p_args ? this->p_args->ar_args : 0);
158 this->arg3_0 = this->ar_length > 0 ?
159 this->ar_args : stringof(this->proc->p_comm);
160 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
161 this->ar_args += this->len;
162 this->ar_length -= this->len;
164 this->arg3_1 = this->ar_length > 0 ? this->ar_args : "";
165 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
166 this->ar_args += this->len;
167 this->ar_length -= this->len;
169 this->arg3_2 = this->ar_length > 0 ? this->ar_args : "";
170 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
171 this->ar_args += this->len;
172 this->ar_length -= this->len;
174 this->arg3_3 = this->ar_length > 0 ? this->ar_args : "";
175 this->len = this->ar_length > 0 ? strlen(this->ar_args) + 1 : 0;
176 this->ar_args += this->len;
177 this->ar_length -= this->len;
179 this->arg3_4 = this->ar_length > 0 ? "..." : "";
181 /***********************************************/
184 * Print process, parent, and grandparent details
187 printf("%Y %s[%d]: ", timestamp + 1406598400000000000,
188 this->caller_execname, this->pid1);
189 printf("%s", this->arg0_0);
190 printf("%s%s", this->arg0_1 != "" ? " " : "", this->arg0_1);
191 printf("%s%s", this->arg0_2 != "" ? " " : "", this->arg0_2);
192 printf("%s%s", this->arg0_3 != "" ? " " : "", this->arg0_3);
193 printf("%s%s", this->arg0_4 != "" ? " " : "", this->arg0_4);
196 printf(" -+= %05d %d.%d %s",
197 this->pid3, this->uid3, this->gid3, this->arg3_0);
198 printf("%s%s", this->arg3_1 != "" ? " " : "", this->arg3_1);
199 printf("%s%s", this->arg3_2 != "" ? " " : "", this->arg3_2);
200 printf("%s%s", this->arg3_3 != "" ? " " : "", this->arg3_3);
201 printf("%s%s", this->arg3_4 != "" ? " " : "", this->arg3_4);
202 printf("%s", this->arg3_0 != "" ? "\n" : "");
204 printf(" \-+= %05d %d.%d %s",
205 this->pid2, this->uid2, this->gid2, this->arg2_0);
206 printf("%s%s", this->arg2_1 != "" ? " " : "", this->arg2_1);
207 printf("%s%s", this->arg2_2 != "" ? " " : "", this->arg2_2);
208 printf("%s%s", this->arg2_3 != "" ? " " : "", this->arg2_3);
209 printf("%s%s", this->arg2_4 != "" ? " " : "", this->arg2_4);
210 printf("%s", this->arg2_0 != "" ? "\n" : "");
212 printf(" \-+= %05d %d.%d %s",
213 this->pid1, this->uid1, this->gid1, this->arg1_0);
214 printf("%s%s", this->arg1_1 != "" ? " " : "", this->arg1_1);
215 printf("%s%s", this->arg1_2 != "" ? " " : "", this->arg1_2);
216 printf("%s%s", this->arg1_3 != "" ? " " : "", this->arg1_3);
217 printf("%s%s", this->arg1_4 != "" ? " " : "", this->arg1_4);
218 printf("%s", this->arg1_0 != "" ? "\n" : "");
220 printf(" \-+= %05d %d.%d %s",
221 this->pid0, this->uid0, this->gid0, this->arg0_0);
222 printf("%s%s", this->arg0_1 != "" ? " " : "", this->arg0_1);
223 printf("%s%s", this->arg0_2 != "" ? " " : "", this->arg0_2);
224 printf("%s%s", this->arg0_3 != "" ? " " : "", this->arg0_3);
225 printf("%s%s", this->arg0_4 != "" ? " " : "", this->arg0_4);
226 printf("%s", this->arg0_0 != "" ? "\n" : "");