xref: /titanic_41/usr/src/cmd/acctadm/res.c (revision b7d3956b92a285d8dac2c7f5f7e28d2ef5347ef8)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <stdlib.h>
29 #include <stdio.h>
30 #include <libintl.h>
31 #include <string.h>
32 #include <sys/acctctl.h>
33 
34 #include "utils.h"
35 #include "aconf.h"
36 #include "res.h"
37 
38 /*
39  * resource names
40  */
41 static ac_resname_t ac_names[] = {
42 	/*
43 	 * Process accounting resources
44 	 */
45 	{ AC_PROC,	AC_PROC_PID,		"pid"		},
46 	{ AC_PROC,	AC_PROC_UID,		"uid"		},
47 	{ AC_PROC,	AC_PROC_GID,		"gid"		},
48 	{ AC_PROC,	AC_PROC_PROJID,		"projid"	},
49 	{ AC_PROC,	AC_PROC_TASKID,		"taskid"	},
50 	{ AC_PROC,	AC_PROC_CPU,		"cpu"		},
51 	{ AC_PROC,	AC_PROC_TIME,		"time"		},
52 	{ AC_PROC,	AC_PROC_COMMAND,	"command"	},
53 	{ AC_PROC,	AC_PROC_TTY,		"tty"		},
54 	{ AC_PROC,	AC_PROC_HOSTNAME,	"host"		},
55 	{ AC_PROC,	AC_PROC_MICROSTATE,	"mstate"	},
56 	{ AC_PROC,	AC_PROC_FLAG,		"flag"		},
57 	{ AC_PROC,	AC_PROC_ANCPID,		"ancpid"	},
58 	{ AC_PROC,	AC_PROC_WAIT_STATUS,	"wait-status"	},
59 	{ AC_PROC,	AC_PROC_ZONENAME,	"zone"		},
60 	{ AC_PROC,	AC_PROC_MEM,		"memory"	},
61 
62 	/*
63 	 * Task accounting resources
64 	 */
65 	{ AC_TASK,	AC_TASK_TASKID,		"taskid"	},
66 	{ AC_TASK,	AC_TASK_PROJID,		"projid"	},
67 	{ AC_TASK,	AC_TASK_CPU,		"cpu"		},
68 	{ AC_TASK,	AC_TASK_TIME,		"time"		},
69 	{ AC_TASK,	AC_TASK_HOSTNAME,	"host"		},
70 	{ AC_TASK,	AC_TASK_MICROSTATE,	"mstate"	},
71 	{ AC_TASK,	AC_TASK_ANCTASKID,	"anctaskid"	},
72 	{ AC_TASK,	AC_TASK_ZONENAME,	"zone"		},
73 
74 	/*
75 	 * Flow accounting resources
76 	 */
77 	{ AC_FLOW,	AC_FLOW_SADDR,		"saddr"		},
78 	{ AC_FLOW,	AC_FLOW_DADDR,		"daddr"		},
79 	{ AC_FLOW,	AC_FLOW_SPORT,		"sport"		},
80 	{ AC_FLOW,	AC_FLOW_DPORT,		"dport"		},
81 	{ AC_FLOW,	AC_FLOW_PROTOCOL,	"proto"		},
82 	{ AC_FLOW,	AC_FLOW_DSFIELD,	"dsfield"	},
83 	{ AC_FLOW,	AC_FLOW_NBYTES,		"nbytes"	},
84 	{ AC_FLOW,	AC_FLOW_NPKTS,		"npkts"		},
85 	{ AC_FLOW,	AC_FLOW_CTIME,		"ctime"		},
86 	{ AC_FLOW,	AC_FLOW_LSEEN,		"lseen"		},
87 	{ AC_FLOW,	AC_FLOW_PROJID,		"projid"	},
88 	{ AC_FLOW,	AC_FLOW_UID,		"uid"		},
89 	{ AC_FLOW,	AC_FLOW_ANAME,		"action"	},
90 
91 	/*
92 	 * These are included for compatibility with old acctadm that
93 	 * didn't have resource groups for individual accounting types.
94 	 * It was possible to have resource "pid" enabled for task
95 	 * accounting even though we couldn't actually track it.
96 	 */
97 	{ AC_TASK,	AC_NONE,		"pid"		},
98 	{ AC_TASK,	AC_NONE,		"uid"		},
99 	{ AC_TASK,	AC_NONE,		"gid"		},
100 	{ AC_TASK,	AC_NONE,		"command"	},
101 	{ AC_TASK,	AC_NONE,		"tty"		},
102 	{ AC_TASK,	AC_NONE,		"flag"		},
103 
104 	{ AC_NONE,	AC_NONE,		NULL		}
105 };
106 
107 /*
108  * resource groups
109  */
110 static ac_group_t ac_groups[] = {
111 	{ AC_PROC,	"extended",
112 		{ AC_PROC_PID, AC_PROC_UID, AC_PROC_GID, AC_PROC_CPU,
113 		AC_PROC_TIME, AC_PROC_COMMAND, AC_PROC_TTY, AC_PROC_PROJID,
114 		AC_PROC_TASKID, AC_PROC_ANCPID, AC_PROC_WAIT_STATUS,
115 		AC_PROC_ZONENAME, AC_PROC_FLAG, AC_PROC_MEM,
116 		AC_PROC_MICROSTATE, AC_NONE } },
117 	{ AC_PROC,	"basic",
118 		{ AC_PROC_PID, AC_PROC_UID, AC_PROC_GID, AC_PROC_CPU,
119 		AC_PROC_TIME, AC_PROC_COMMAND, AC_PROC_TTY, AC_PROC_FLAG,
120 		AC_NONE } },
121 	{ AC_TASK,	"extended",
122 		{ AC_TASK_TASKID, AC_TASK_PROJID, AC_TASK_CPU, AC_TASK_TIME,
123 		AC_TASK_HOSTNAME, AC_TASK_MICROSTATE, AC_TASK_ANCTASKID,
124 		AC_TASK_ZONENAME, AC_NONE } },
125 	{ AC_TASK,	"basic",
126 		{ AC_TASK_TASKID, AC_TASK_PROJID, AC_TASK_CPU, AC_TASK_TIME,
127 		AC_NONE } },
128 	{ AC_FLOW,	"extended",
129 		{ AC_FLOW_SADDR, AC_FLOW_DADDR, AC_FLOW_SPORT, AC_FLOW_DPORT,
130 		AC_FLOW_PROTOCOL, AC_FLOW_DSFIELD, AC_FLOW_NBYTES,
131 		AC_FLOW_NPKTS, AC_FLOW_ANAME, AC_FLOW_CTIME, AC_FLOW_LSEEN,
132 		AC_FLOW_PROJID, AC_FLOW_UID, AC_NONE } },
133 	{ AC_FLOW,	"basic",
134 		{ AC_FLOW_SADDR, AC_FLOW_DADDR, AC_FLOW_SPORT, AC_FLOW_DPORT,
135 		AC_FLOW_PROTOCOL, AC_FLOW_NBYTES, AC_FLOW_NPKTS, AC_FLOW_ANAME,
136 		AC_NONE } },
137 	{ AC_NONE,	NULL,
138 		{ AC_NONE } }
139 };
140 
141 /*
142  * this function returns the id of the named resource
143  */
144 static int
145 name2id(char *name, int type)
146 {
147 	ac_resname_t *acname = ac_names;
148 	while (acname->ar_type != AC_NONE) {
149 		if (acname->ar_type == type &&
150 		    strcmp(acname->ar_name, name) == 0) {
151 			if (acname->ar_id == AC_NONE)
152 				/*
153 				 * For compatibility with older versions.
154 				 */
155 				return (-1);
156 			else
157 				return (acname->ar_id);
158 		}
159 		acname++;
160 	}
161 	return (0);
162 }
163 
164 /*
165  * this function gives name of the resource by its id
166  */
167 static char *
168 id2name(int id, int type)
169 {
170 	ac_resname_t *acname = ac_names;
171 	while (acname->ar_id != AC_NONE) {
172 		if (acname->ar_type == type &&
173 		    acname->ar_id == id)
174 			return (acname->ar_name);
175 		acname++;
176 	}
177 	return (NULL);
178 }
179 
180 static void
181 printgroup(int type)
182 {
183 	int r, g, id;
184 
185 	for (g = 0; ac_groups[g].ag_type != AC_NONE; g++) {
186 		if (ac_groups[g].ag_type != type)
187 			continue;
188 		(void) printf("%-9s", ac_groups[g].ag_name);
189 		(void) printf("%s", id2name(ac_groups[g].ag_mem[0], type));
190 		for (r = 1; (id = ac_groups[g].ag_mem[r]) != AC_NONE; r++)
191 			(void) printf(",%s", id2name(id, type));
192 		(void) printf("\n");
193 	}
194 }
195 
196 
197 /*
198  * this function prints the list of resource groups and their members
199  */
200 void
201 printgroups(int type)
202 {
203 	int header = 0;
204 
205 	if ((type & AC_PROC) && (type & AC_TASK) && (type & AC_FLOW))
206 		header = 1;
207 
208 	if (type & AC_PROC) {
209 		if (header == 1)
210 			(void) printf("process:\n");
211 		printgroup(AC_PROC);
212 	}
213 	if (type & AC_TASK) {
214 		if (header == 1)
215 			(void) printf("task:\n");
216 		printgroup(AC_TASK);
217 	}
218 	if (type & AC_FLOW) {
219 		if (header == 1)
220 			(void) printf("flow:\n");
221 		printgroup(AC_FLOW);
222 	}
223 }
224 
225 /*
226  * this function sets the state of the particular resource
227  */
228 static void
229 resset(ac_res_t *res, int id, int state)
230 {
231 	ac_res_t *resp;
232 	resp = (ac_res_t *)((uintptr_t)res + (sizeof (ac_res_t) * (id - 1)));
233 	resp->ar_state = state;
234 	resp->ar_id = id;
235 }
236 
237 /*
238  * this function gets the state of the particular resource
239  */
240 static int
241 resget(ac_res_t *res, int id)
242 {
243 	ac_res_t *resp;
244 	resp = (ac_res_t *)((uintptr_t)res + (sizeof (ac_res_t) * (id - 1)));
245 	return (resp->ar_state);
246 }
247 
248 /*
249  * this function converts a string of resources into a buffer which then
250  * can be used for acctctl() system call
251  */
252 void
253 str2buf(ac_res_t *buf, char *str, int state, int type)
254 {
255 	int i, j, id, ok;
256 	char *p, *g, *copy;
257 
258 	if (strcmp(str, AC_STR_NONE) == 0)
259 		return;
260 	/*
261 	 * Take a lap through str, processing resources, modifying buf copy
262 	 * as appropriate and making sure that all resource names are valid.
263 	 */
264 	if ((copy = malloc(strlen(str) + 1)) == NULL)
265 		die(gettext("not enough memory\n"));
266 	(void) memcpy(copy, str, strlen(str) + 1);
267 	p = strtok(copy, ", ");
268 	while (p != NULL) {
269 		/*
270 		 * check if str contains any resource groups
271 		 */
272 		for (ok = 0, i = 0; (g = ac_groups[i].ag_name) != NULL; i++) {
273 			if (strcmp(p, g) == 0 && ac_groups[i].ag_type == type) {
274 				for (j = 0; (id = ac_groups[i].ag_mem[j]) !=
275 				    AC_NONE; j++)
276 					resset(buf, id, state);
277 				ok = 1;
278 				break;
279 			}
280 		}
281 		if (ok == 0) {
282 			id = name2id(p, type);
283 			if (id > 0)
284 				resset(buf, id, state);
285 			else if (id == 0)
286 				die(gettext("unknown %s resource: %s\n"),
287 				    ac_type_name(type), p);
288 		}
289 		p = strtok(NULL, ", ");
290 	}
291 	free(copy);
292 }
293 
294 /*
295  * this function converts a buffer into a string of resource names.
296  * state (on/off) for resources of interest is selected by the third argument.
297  * accounting type is selected by the fourth argument.
298  * it is caller's responsibility to free the allocated string buffer.
299  */
300 char *
301 buf2str(ac_res_t *buffer, size_t bufsz, int state, int type)
302 {
303 	int i, j, ok, id;
304 	char *str, *g;
305 	ac_res_t *buf, *cur;
306 
307 	if ((buf = malloc(bufsz)) == NULL ||
308 	    (str = malloc(MAXRESLEN)) == NULL)
309 		die(gettext("not enough memory\n"));
310 	(void) memset(str, 0, MAXRESLEN);
311 	(void) memcpy(buf, buffer, bufsz);
312 	/*
313 	 * check if buf has any resource groups in it
314 	 */
315 	for (i = 0; (g = ac_groups[i].ag_name) != NULL; i++) {
316 		if (ac_groups[i].ag_type != type)
317 			continue;
318 		for (j = 0; (id = ac_groups[i].ag_mem[j]) != AC_NONE; j++) {
319 			ok = 1;
320 			if (resget(buf, id) != state) {
321 				ok = 0;
322 				break;
323 			}
324 		}
325 		if (ok) {	/* buf contains this resource group */
326 			if (strlen(str) != 0)
327 				(void) strcat(str, ",");
328 			(void) strcat(str, g);
329 			for (j = 0; (id = ac_groups[i].ag_mem[j]) != AC_NONE;
330 			    j++)
331 				resset(buf, id,
332 				    state == AC_ON ? AC_OFF : AC_ON);
333 			ok = 0;
334 		}
335 	}
336 	/*
337 	 * browse through the rest of the buf for all remaining resources
338 	 * that are not a part of any groups
339 	 */
340 	for (cur = buf; cur->ar_id != AC_NONE; cur++) {
341 		if (cur->ar_state == state) {
342 			if (strlen(str) != 0)
343 				(void) strcat(str, ",");
344 			if (id2name(cur->ar_id, type) == NULL)
345 				die(gettext("unknown %s resource id (%d)\n"),
346 				    ac_type_name(type), cur->ar_id);
347 			(void) strcat(str, id2name(cur->ar_id, type));
348 		}
349 	}
350 	if (strlen(str) == 0)
351 		(void) strcpy(str, AC_STR_NONE);
352 	free(buf);
353 	return (str);
354 }
355