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0
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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License, Version 1.0 only
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6 * (the "License"). You may not use this file except in compliance
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7 * with the License.
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8 *
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9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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10 * or http://www.opensolaris.org/os/licensing.
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11 * See the License for the specific language governing permissions
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12 * and limitations under the License.
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13 *
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14 * When distributing Covered Code, include this CDDL HEADER in each
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15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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16 * If applicable, add the following below this CDDL HEADER, with the
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17 * fields enclosed by brackets "[]" replaced with your own identifying
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18 * information: Portions Copyright [yyyy] [name of copyright owner]
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19 *
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20 * CDDL HEADER END
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21 */
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22 /*
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23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
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24 * Use is subject to license terms.
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25 */
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26
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27 #pragma ident "@(#)res.c 1.8 05/06/08 SMI"
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28
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29 #include <stdlib.h>
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30 #include <stdio.h>
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31 #include <libintl.h>
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32 #include <string.h>
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33 #include <sys/acctctl.h>
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34
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35 #include "utils.h"
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36 #include "aconf.h"
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37 #include "res.h"
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38
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39 /*
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40 * resource names
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41 */
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42 static ac_resname_t ac_names[] = {
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43 /*
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44 * Process accounting resources
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45 */
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46 { AC_PROC, AC_PROC_PID, "pid" },
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47 { AC_PROC, AC_PROC_UID, "uid" },
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48 { AC_PROC, AC_PROC_GID, "gid" },
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49 { AC_PROC, AC_PROC_PROJID, "projid" },
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50 { AC_PROC, AC_PROC_TASKID, "taskid" },
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51 { AC_PROC, AC_PROC_CPU, "cpu" },
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52 { AC_PROC, AC_PROC_TIME, "time" },
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53 { AC_PROC, AC_PROC_COMMAND, "command" },
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54 { AC_PROC, AC_PROC_TTY, "tty" },
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55 { AC_PROC, AC_PROC_HOSTNAME, "host" },
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56 { AC_PROC, AC_PROC_MICROSTATE, "mstate" },
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57 { AC_PROC, AC_PROC_FLAG, "flag" },
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58 { AC_PROC, AC_PROC_ANCPID, "ancpid" },
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59 { AC_PROC, AC_PROC_WAIT_STATUS, "wait-status" },
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60 { AC_PROC, AC_PROC_ZONENAME, "zone" },
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61 { AC_PROC, AC_PROC_MEM, "memory" },
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62
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63 /*
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64 * Task accounting resources
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65 */
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66 { AC_TASK, AC_TASK_TASKID, "taskid" },
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67 { AC_TASK, AC_TASK_PROJID, "projid" },
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68 { AC_TASK, AC_TASK_CPU, "cpu" },
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69 { AC_TASK, AC_TASK_TIME, "time" },
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70 { AC_TASK, AC_TASK_HOSTNAME, "host" },
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71 { AC_TASK, AC_TASK_MICROSTATE, "mstate" },
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72 { AC_TASK, AC_TASK_ANCTASKID, "anctaskid" },
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73 { AC_TASK, AC_TASK_ZONENAME, "zone" },
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74
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75 /*
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76 * Flow accounting resources
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77 */
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78 { AC_FLOW, AC_FLOW_SADDR, "saddr" },
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79 { AC_FLOW, AC_FLOW_DADDR, "daddr" },
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80 { AC_FLOW, AC_FLOW_SPORT, "sport" },
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81 { AC_FLOW, AC_FLOW_DPORT, "dport" },
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82 { AC_FLOW, AC_FLOW_PROTOCOL, "proto" },
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83 { AC_FLOW, AC_FLOW_DSFIELD, "dsfield" },
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84 { AC_FLOW, AC_FLOW_NBYTES, "nbytes" },
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85 { AC_FLOW, AC_FLOW_NPKTS, "npkts" },
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86 { AC_FLOW, AC_FLOW_CTIME, "ctime" },
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87 { AC_FLOW, AC_FLOW_LSEEN, "lseen" },
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88 { AC_FLOW, AC_FLOW_PROJID, "projid" },
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89 { AC_FLOW, AC_FLOW_UID, "uid" },
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90 { AC_FLOW, AC_FLOW_ANAME, "action" },
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91
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92 /*
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93 * These are included for compatibility with old acctadm that
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94 * didn't have resource groups for individual accounting types.
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95 * It was possible to have resource "pid" enabled for task
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96 * accounting even though we couldn't actually track it.
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97 */
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98 { AC_TASK, AC_NONE, "pid" },
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99 { AC_TASK, AC_NONE, "uid" },
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100 { AC_TASK, AC_NONE, "gid" },
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101 { AC_TASK, AC_NONE, "command" },
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102 { AC_TASK, AC_NONE, "tty" },
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103 { AC_TASK, AC_NONE, "flag" },
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104
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105 { AC_NONE, AC_NONE, NULL }
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106 };
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107
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108 /*
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109 * resource groups
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110 */
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111 static ac_group_t ac_groups[] = {
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112 { AC_PROC, "extended",
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113 { AC_PROC_PID, AC_PROC_UID, AC_PROC_GID, AC_PROC_CPU,
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114 AC_PROC_TIME, AC_PROC_COMMAND, AC_PROC_TTY, AC_PROC_PROJID,
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115 AC_PROC_TASKID, AC_PROC_ANCPID, AC_PROC_WAIT_STATUS,
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116 AC_PROC_ZONENAME, AC_PROC_FLAG, AC_PROC_MEM,
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117 AC_PROC_MICROSTATE, AC_NONE } },
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118 { AC_PROC, "basic",
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119 { AC_PROC_PID, AC_PROC_UID, AC_PROC_GID, AC_PROC_CPU,
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120 AC_PROC_TIME, AC_PROC_COMMAND, AC_PROC_TTY, AC_PROC_FLAG,
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121 AC_NONE } },
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122 { AC_TASK, "extended",
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123 { AC_TASK_TASKID, AC_TASK_PROJID, AC_TASK_CPU, AC_TASK_TIME,
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124 AC_TASK_HOSTNAME, AC_TASK_MICROSTATE, AC_TASK_ANCTASKID,
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125 AC_TASK_ZONENAME, AC_NONE } },
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126 { AC_TASK, "basic",
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127 { AC_TASK_TASKID, AC_TASK_PROJID, AC_TASK_CPU, AC_TASK_TIME,
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128 AC_NONE } },
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129 { AC_FLOW, "extended",
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130 { AC_FLOW_SADDR, AC_FLOW_DADDR, AC_FLOW_SPORT, AC_FLOW_DPORT,
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131 AC_FLOW_PROTOCOL, AC_FLOW_DSFIELD, AC_FLOW_NBYTES,
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132 AC_FLOW_NPKTS, AC_FLOW_ANAME, AC_FLOW_CTIME, AC_FLOW_LSEEN,
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133 AC_FLOW_PROJID, AC_FLOW_UID, AC_NONE } },
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134 { AC_FLOW, "basic",
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135 { AC_FLOW_SADDR, AC_FLOW_DADDR, AC_FLOW_SPORT, AC_FLOW_DPORT,
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136 AC_FLOW_PROTOCOL, AC_FLOW_NBYTES, AC_FLOW_NPKTS, AC_FLOW_ANAME,
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137 AC_NONE } },
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138 { AC_NONE, NULL,
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139 { AC_NONE } }
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140 };
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141
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142 /*
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143 * this function returns the id of the named resource
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144 */
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145 static int
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146 name2id(char *name, int type)
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147 {
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148 ac_resname_t *acname = ac_names;
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149 while (acname->ar_type != AC_NONE) {
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150 if (acname->ar_type == type &&
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151 strcmp(acname->ar_name, name) == 0) {
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152 if (acname->ar_id == AC_NONE)
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153 /*
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154 * For compatibility with older versions.
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155 */
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156 return (-1);
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157 else
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158 return (acname->ar_id);
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159 }
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160 acname++;
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161 }
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162 return (0);
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163 }
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164
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165 /*
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166 * this function gives name of the resource by its id
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167 */
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168 static char *
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169 id2name(int id, int type)
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170 {
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171 ac_resname_t *acname = ac_names;
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172 while (acname->ar_id != AC_NONE) {
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173 if (acname->ar_type == type &&
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174 acname->ar_id == id)
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175 return (acname->ar_name);
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176 acname++;
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177 }
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178 return (NULL);
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179 }
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180
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181 static void
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182 printgroup(int type)
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183 {
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184 int r, g, id;
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185
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186 for (g = 0; ac_groups[g].ag_type != AC_NONE; g++) {
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187 if (ac_groups[g].ag_type != type)
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188 continue;
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189 (void) printf("%-9s", ac_groups[g].ag_name);
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190 (void) printf("%s", id2name(ac_groups[g].ag_mem[0], type));
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191 for (r = 1; (id = ac_groups[g].ag_mem[r]) != AC_NONE; r++)
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192 (void) printf(",%s", id2name(id, type));
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193 (void) printf("\n");
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194 }
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195 }
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196
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197
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198 /*
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199 * this function prints the list of resource groups and their members
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200 */
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201 void
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202 printgroups(int type)
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203 {
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204 int header = 0;
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205
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206 if ((type & AC_PROC) && (type & AC_TASK) && (type & AC_FLOW))
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207 header = 1;
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208
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209 if (type & AC_PROC) {
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210 if (header == 1)
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211 (void) printf("process:\n");
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212 printgroup(AC_PROC);
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213 }
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214 if (type & AC_TASK) {
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215 if (header == 1)
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216 (void) printf("task:\n");
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217 printgroup(AC_TASK);
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218 }
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219 if (type & AC_FLOW) {
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220 if (header == 1)
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221 (void) printf("flow:\n");
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222 printgroup(AC_FLOW);
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223 }
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224 }
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225
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226 /*
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227 * this function sets the state of the particular resource
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228 */
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229 static void
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230 resset(ac_res_t *res, int id, int state)
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231 {
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232 ac_res_t *resp;
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233 resp = (ac_res_t *)((uintptr_t)res + (sizeof (ac_res_t) * (id - 1)));
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234 resp->ar_state = state;
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235 resp->ar_id = id;
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236 }
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237
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238 /*
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239 * this function gets the state of the particular resource
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240 */
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241 static int
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242 resget(ac_res_t *res, int id)
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243 {
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244 ac_res_t *resp;
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245 resp = (ac_res_t *)((uintptr_t)res + (sizeof (ac_res_t) * (id - 1)));
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246 return (resp->ar_state);
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247 }
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248
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249 /*
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250 * this function converts a string of resources into a buffer which then
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251 * can be used for acctctl() system call
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252 */
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253 void
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254 str2buf(ac_res_t *buf, char *str, int state, int type)
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255 {
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256 int i, j, id, ok;
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257 char *p, *g, *copy;
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258
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259 if (strcmp(str, AC_STR_NONE) == 0)
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260 return;
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261 /*
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262 * Take a lap through str, processing resources, modifying buf copy
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263 * as appropriate and making sure that all resource names are valid.
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264 */
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265 if ((copy = malloc(strlen(str) + 1)) == NULL)
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266 die(gettext("not enough memory\n"));
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267 (void) memcpy(copy, str, strlen(str) + 1);
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268 p = strtok(copy, ", ");
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269 while (p != NULL) {
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270 /*
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271 * check if str contains any resource groups
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272 */
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273 for (ok = 0, i = 0; (g = ac_groups[i].ag_name) != NULL; i++) {
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274 if (strcmp(p, g) == 0 && ac_groups[i].ag_type == type) {
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275 for (j = 0; (id = ac_groups[i].ag_mem[j]) !=
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276 AC_NONE; j++)
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277 resset(buf, id, state);
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278 ok = 1;
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279 break;
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280 }
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281 }
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282 if (ok == 0) {
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283 id = name2id(p, type);
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284 if (id > 0)
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285 resset(buf, id, state);
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286 else if (id == 0)
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287 die(gettext("unknown %s resource: %s\n"),
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288 type == AC_PROC ? "process" : "task", p);
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289 }
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290 p = strtok(NULL, ", ");
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291 }
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292 free(copy);
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293 }
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294
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295 /*
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296 * this function converts a buffer into a string of resource names.
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297 * state (on/off) for resources of interest is selected by the third argument.
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298 * accounting type is selected by the fourth argument.
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299 * it is caller's responsibility to free the allocated string buffer.
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300 */
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301 char *
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302 buf2str(ac_res_t *buffer, size_t bufsz, int state, int type)
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303 {
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304 int i, j, ok, id;
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305 char *str, *g;
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306 ac_res_t *buf, *cur;
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307
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308 if ((buf = malloc(bufsz)) == NULL ||
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309 (str = malloc(MAXRESLEN)) == NULL)
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310 die(gettext("not enough memory\n"));
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311 (void) memset(str, 0, MAXRESLEN);
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312 (void) memcpy(buf, buffer, bufsz);
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313 /*
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314 * check if buf has any resource groups in it
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315 */
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316 for (i = 0; (g = ac_groups[i].ag_name) != NULL; i++) {
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317 if (ac_groups[i].ag_type != type)
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318 continue;
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319 for (j = 0; (id = ac_groups[i].ag_mem[j]) != AC_NONE; j++) {
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320 ok = 1;
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321 if (resget(buf, id) != state) {
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322 ok = 0;
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323 break;
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324 }
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325 }
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326 if (ok) { /* buf contains this resource group */
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327 if (strlen(str) != 0)
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328 (void) strcat(str, ",");
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329 (void) strcat(str, g);
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330 for (j = 0; (id = ac_groups[i].ag_mem[j]) != AC_NONE;
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331 j++)
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332 resset(buf, id,
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333 state == AC_ON ? AC_OFF : AC_ON);
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334 ok = 0;
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335 }
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336 }
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337 /*
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338 * browse through the rest of the buf for all remaining resources
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339 * that are not a part of any groups
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340 */
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341 for (cur = buf; cur->ar_id != AC_NONE; cur++) {
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342 if (cur->ar_state == state) {
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343 if (strlen(str) != 0)
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344 (void) strcat(str, ",");
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345 if (id2name(cur->ar_id, type) == NULL)
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346 die(gettext("unknown %s resource id (%d)\n"),
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347 type == AC_PROC ? "process" : "task",
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348 cur->ar_id);
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349 (void) strcat(str, id2name(cur->ar_id, type));
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350 }
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351 }
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352 if (strlen(str) == 0)
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353 (void) strcpy(str, AC_STR_NONE);
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354 free(buf);
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355 return (str);
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356 }
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