xref: /illumos-gate/usr/src/cmd/acctadm/res.c (revision 734b6a94890be549309b21156f8ed6d4561cac51)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <libintl.h>
32 #include <string.h>
33 #include <sys/acctctl.h>
34 
35 #include "utils.h"
36 #include "aconf.h"
37 #include "res.h"
38 
39 /*
40  * resource names
41  */
42 static ac_resname_t ac_names[] = {
43 	/*
44 	 * Process accounting resources
45 	 */
46 	{ AC_PROC,	AC_PROC_PID,		"pid"		},
47 	{ AC_PROC,	AC_PROC_UID,		"uid"		},
48 	{ AC_PROC,	AC_PROC_GID,		"gid"		},
49 	{ AC_PROC,	AC_PROC_PROJID,		"projid"	},
50 	{ AC_PROC,	AC_PROC_TASKID,		"taskid"	},
51 	{ AC_PROC,	AC_PROC_CPU,		"cpu"		},
52 	{ AC_PROC,	AC_PROC_TIME,		"time"		},
53 	{ AC_PROC,	AC_PROC_COMMAND,	"command"	},
54 	{ AC_PROC,	AC_PROC_TTY,		"tty"		},
55 	{ AC_PROC,	AC_PROC_HOSTNAME,	"host"		},
56 	{ AC_PROC,	AC_PROC_MICROSTATE,	"mstate"	},
57 	{ AC_PROC,	AC_PROC_FLAG,		"flag"		},
58 	{ AC_PROC,	AC_PROC_ANCPID,		"ancpid"	},
59 	{ AC_PROC,	AC_PROC_WAIT_STATUS,	"wait-status"	},
60 	{ AC_PROC,	AC_PROC_ZONENAME,	"zone"		},
61 	{ AC_PROC,	AC_PROC_MEM,		"memory"	},
62 
63 	/*
64 	 * Task accounting resources
65 	 */
66 	{ AC_TASK,	AC_TASK_TASKID,		"taskid"	},
67 	{ AC_TASK,	AC_TASK_PROJID,		"projid"	},
68 	{ AC_TASK,	AC_TASK_CPU,		"cpu"		},
69 	{ AC_TASK,	AC_TASK_TIME,		"time"		},
70 	{ AC_TASK,	AC_TASK_HOSTNAME,	"host"		},
71 	{ AC_TASK,	AC_TASK_MICROSTATE,	"mstate"	},
72 	{ AC_TASK,	AC_TASK_ANCTASKID,	"anctaskid"	},
73 	{ AC_TASK,	AC_TASK_ZONENAME,	"zone"		},
74 
75 	/*
76 	 * Flow accounting resources
77 	 */
78 	{ AC_FLOW,	AC_FLOW_SADDR,		"saddr"		},
79 	{ AC_FLOW,	AC_FLOW_DADDR,		"daddr"		},
80 	{ AC_FLOW,	AC_FLOW_SPORT,		"sport"		},
81 	{ AC_FLOW,	AC_FLOW_DPORT,		"dport"		},
82 	{ AC_FLOW,	AC_FLOW_PROTOCOL,	"proto"		},
83 	{ AC_FLOW,	AC_FLOW_DSFIELD,	"dsfield"	},
84 	{ AC_FLOW,	AC_FLOW_NBYTES,		"nbytes"	},
85 	{ AC_FLOW,	AC_FLOW_NPKTS,		"npkts"		},
86 	{ AC_FLOW,	AC_FLOW_CTIME,		"ctime"		},
87 	{ AC_FLOW,	AC_FLOW_LSEEN,		"lseen"		},
88 	{ AC_FLOW,	AC_FLOW_PROJID,		"projid"	},
89 	{ AC_FLOW,	AC_FLOW_UID,		"uid"		},
90 	{ AC_FLOW,	AC_FLOW_ANAME,		"action"	},
91 
92 	/*
93 	 * These are included for compatibility with old acctadm that
94 	 * didn't have resource groups for individual accounting types.
95 	 * It was possible to have resource "pid" enabled for task
96 	 * accounting even though we couldn't actually track it.
97 	 */
98 	{ AC_TASK,	AC_NONE,		"pid"		},
99 	{ AC_TASK,	AC_NONE,		"uid"		},
100 	{ AC_TASK,	AC_NONE,		"gid"		},
101 	{ AC_TASK,	AC_NONE,		"command"	},
102 	{ AC_TASK,	AC_NONE,		"tty"		},
103 	{ AC_TASK,	AC_NONE,		"flag"		},
104 
105 	{ AC_NONE,	AC_NONE,		NULL		}
106 };
107 
108 /*
109  * resource groups
110  */
111 static ac_group_t ac_groups[] = {
112 	{ AC_PROC,	"extended",
113 		{ AC_PROC_PID, AC_PROC_UID, AC_PROC_GID, AC_PROC_CPU,
114 		AC_PROC_TIME, AC_PROC_COMMAND, AC_PROC_TTY, AC_PROC_PROJID,
115 		AC_PROC_TASKID, AC_PROC_ANCPID, AC_PROC_WAIT_STATUS,
116 		AC_PROC_ZONENAME, AC_PROC_FLAG, AC_PROC_MEM,
117 		AC_PROC_MICROSTATE, AC_NONE } },
118 	{ AC_PROC,	"basic",
119 		{ AC_PROC_PID, AC_PROC_UID, AC_PROC_GID, AC_PROC_CPU,
120 		AC_PROC_TIME, AC_PROC_COMMAND, AC_PROC_TTY, AC_PROC_FLAG,
121 		AC_NONE } },
122 	{ AC_TASK,	"extended",
123 		{ AC_TASK_TASKID, AC_TASK_PROJID, AC_TASK_CPU, AC_TASK_TIME,
124 		AC_TASK_HOSTNAME, AC_TASK_MICROSTATE, AC_TASK_ANCTASKID,
125 		AC_TASK_ZONENAME, AC_NONE } },
126 	{ AC_TASK,	"basic",
127 		{ AC_TASK_TASKID, AC_TASK_PROJID, AC_TASK_CPU, AC_TASK_TIME,
128 		AC_NONE } },
129 	{ AC_FLOW,	"extended",
130 		{ AC_FLOW_SADDR, AC_FLOW_DADDR, AC_FLOW_SPORT, AC_FLOW_DPORT,
131 		AC_FLOW_PROTOCOL, AC_FLOW_DSFIELD, AC_FLOW_NBYTES,
132 		AC_FLOW_NPKTS, AC_FLOW_ANAME, AC_FLOW_CTIME, AC_FLOW_LSEEN,
133 		AC_FLOW_PROJID, AC_FLOW_UID, AC_NONE } },
134 	{ AC_FLOW,	"basic",
135 		{ AC_FLOW_SADDR, AC_FLOW_DADDR, AC_FLOW_SPORT, AC_FLOW_DPORT,
136 		AC_FLOW_PROTOCOL, AC_FLOW_NBYTES, AC_FLOW_NPKTS, AC_FLOW_ANAME,
137 		AC_NONE } },
138 	{ AC_NONE,	NULL,
139 		{ AC_NONE } }
140 };
141 
142 /*
143  * this function returns the id of the named resource
144  */
145 static int
146 name2id(char *name, int type)
147 {
148 	ac_resname_t *acname = ac_names;
149 	while (acname->ar_type != AC_NONE) {
150 		if (acname->ar_type == type &&
151 		    strcmp(acname->ar_name, name) == 0) {
152 			if (acname->ar_id == AC_NONE)
153 				/*
154 				 * For compatibility with older versions.
155 				 */
156 				return (-1);
157 			else
158 				return (acname->ar_id);
159 		}
160 		acname++;
161 	}
162 	return (0);
163 }
164 
165 /*
166  * this function gives name of the resource by its id
167  */
168 static char *
169 id2name(int id, int type)
170 {
171 	ac_resname_t *acname = ac_names;
172 	while (acname->ar_id != AC_NONE) {
173 		if (acname->ar_type == type &&
174 		    acname->ar_id == id)
175 			return (acname->ar_name);
176 		acname++;
177 	}
178 	return (NULL);
179 }
180 
181 static void
182 printgroup(int type)
183 {
184 	int r, g, id;
185 
186 	for (g = 0; ac_groups[g].ag_type != AC_NONE; g++) {
187 		if (ac_groups[g].ag_type != type)
188 			continue;
189 		(void) printf("%-9s", ac_groups[g].ag_name);
190 		(void) printf("%s", id2name(ac_groups[g].ag_mem[0], type));
191 		for (r = 1; (id = ac_groups[g].ag_mem[r]) != AC_NONE; r++)
192 			(void) printf(",%s", id2name(id, type));
193 		(void) printf("\n");
194 	}
195 }
196 
197 
198 /*
199  * this function prints the list of resource groups and their members
200  */
201 void
202 printgroups(int type)
203 {
204 	int header = 0;
205 
206 	if ((type & AC_PROC) && (type & AC_TASK) && (type & AC_FLOW))
207 		header = 1;
208 
209 	if (type & AC_PROC) {
210 		if (header == 1)
211 			(void) printf("process:\n");
212 		printgroup(AC_PROC);
213 	}
214 	if (type & AC_TASK) {
215 		if (header == 1)
216 			(void) printf("task:\n");
217 		printgroup(AC_TASK);
218 	}
219 	if (type & AC_FLOW) {
220 		if (header == 1)
221 			(void) printf("flow:\n");
222 		printgroup(AC_FLOW);
223 	}
224 }
225 
226 /*
227  * this function sets the state of the particular resource
228  */
229 static void
230 resset(ac_res_t *res, int id, int state)
231 {
232 	ac_res_t *resp;
233 	resp = (ac_res_t *)((uintptr_t)res + (sizeof (ac_res_t) * (id - 1)));
234 	resp->ar_state = state;
235 	resp->ar_id = id;
236 }
237 
238 /*
239  * this function gets the state of the particular resource
240  */
241 static int
242 resget(ac_res_t *res, int id)
243 {
244 	ac_res_t *resp;
245 	resp = (ac_res_t *)((uintptr_t)res + (sizeof (ac_res_t) * (id - 1)));
246 	return (resp->ar_state);
247 }
248 
249 /*
250  * this function converts a string of resources into a buffer which then
251  * can be used for acctctl() system call
252  */
253 void
254 str2buf(ac_res_t *buf, char *str, int state, int type)
255 {
256 	int i, j, id, ok;
257 	char *p, *g, *copy;
258 
259 	if (strcmp(str, AC_STR_NONE) == 0)
260 		return;
261 	/*
262 	 * Take a lap through str, processing resources, modifying buf copy
263 	 * as appropriate and making sure that all resource names are valid.
264 	 */
265 	if ((copy = malloc(strlen(str) + 1)) == NULL)
266 		die(gettext("not enough memory\n"));
267 	(void) memcpy(copy, str, strlen(str) + 1);
268 	p = strtok(copy, ", ");
269 	while (p != NULL) {
270 		/*
271 		 * check if str contains any resource groups
272 		 */
273 		for (ok = 0, i = 0; (g = ac_groups[i].ag_name) != NULL; i++) {
274 			if (strcmp(p, g) == 0 && ac_groups[i].ag_type == type) {
275 				for (j = 0; (id = ac_groups[i].ag_mem[j]) !=
276 				    AC_NONE; j++)
277 					resset(buf, id, state);
278 				ok = 1;
279 				break;
280 			}
281 		}
282 		if (ok == 0) {
283 			id = name2id(p, type);
284 			if (id > 0)
285 				resset(buf, id, state);
286 			else if (id == 0)
287 				die(gettext("unknown %s resource: %s\n"),
288 				    type == AC_PROC ? "process" : "task", p);
289 		}
290 		p = strtok(NULL, ", ");
291 	}
292 	free(copy);
293 }
294 
295 /*
296  * this function converts a buffer into a string of resource names.
297  * state (on/off) for resources of interest is selected by the third argument.
298  * accounting type is selected by the fourth argument.
299  * it is caller's responsibility to free the allocated string buffer.
300  */
301 char *
302 buf2str(ac_res_t *buffer, size_t bufsz, int state, int type)
303 {
304 	int i, j, ok, id;
305 	char *str, *g;
306 	ac_res_t *buf, *cur;
307 
308 	if ((buf = malloc(bufsz)) == NULL ||
309 	    (str = malloc(MAXRESLEN)) == NULL)
310 		die(gettext("not enough memory\n"));
311 	(void) memset(str, 0, MAXRESLEN);
312 	(void) memcpy(buf, buffer, bufsz);
313 	/*
314 	 * check if buf has any resource groups in it
315 	 */
316 	for (i = 0; (g = ac_groups[i].ag_name) != NULL; i++) {
317 		if (ac_groups[i].ag_type != type)
318 			continue;
319 		for (j = 0; (id = ac_groups[i].ag_mem[j]) != AC_NONE; j++) {
320 			ok = 1;
321 			if (resget(buf, id) != state) {
322 				ok = 0;
323 				break;
324 			}
325 		}
326 		if (ok) {	/* buf contains this resource group */
327 			if (strlen(str) != 0)
328 				(void) strcat(str, ",");
329 			(void) strcat(str, g);
330 			for (j = 0; (id = ac_groups[i].ag_mem[j]) != AC_NONE;
331 			    j++)
332 				resset(buf, id,
333 				    state == AC_ON ? AC_OFF : AC_ON);
334 			ok = 0;
335 		}
336 	}
337 	/*
338 	 * browse through the rest of the buf for all remaining resources
339 	 * that are not a part of any groups
340 	 */
341 	for (cur = buf; cur->ar_id != AC_NONE; cur++) {
342 		if (cur->ar_state == state) {
343 			if (strlen(str) != 0)
344 				(void) strcat(str, ",");
345 			if (id2name(cur->ar_id, type) == NULL)
346 				die(gettext("unknown %s resource id (%d)\n"),
347 				    type == AC_PROC ? "process" : "task",
348 				    cur->ar_id);
349 			(void) strcat(str, id2name(cur->ar_id, type));
350 		}
351 	}
352 	if (strlen(str) == 0)
353 		(void) strcpy(str, AC_STR_NONE);
354 	free(buf);
355 	return (str);
356 }
357