1 | /*
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2 | Samba Unix/Linux SMB client library
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3 | net status command -- possible replacement for smbstatus
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4 | Copyright (C) 2003 Volker Lendecke (vl@samba.org)
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5 |
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6 | This program is free software; you can redistribute it and/or modify
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7 | it under the terms of the GNU General Public License as published by
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8 | the Free Software Foundation; either version 3 of the License, or
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9 | (at your option) any later version.
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10 |
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11 | This program is distributed in the hope that it will be useful,
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | GNU General Public License for more details.
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15 |
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16 | You should have received a copy of the GNU General Public License
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17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */
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18 |
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19 | #include "includes.h"
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20 | #include "utils/net.h"
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21 |
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22 | int net_status_usage(struct net_context *c, int argc, const char **argv)
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23 | {
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24 | d_printf(" net status sessions [parseable] "
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25 | "Show list of open sessions\n");
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26 | d_printf(" net status shares [parseable] "
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27 | "Show list of open shares\n");
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28 | return -1;
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29 | }
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30 |
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31 | static int show_session(struct db_record *rec, void *private_data)
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32 | {
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33 | bool *parseable = (bool *)private_data;
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34 | struct sessionid sessionid;
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35 |
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36 | if (rec->value.dsize != sizeof(sessionid))
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37 | return 0;
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38 |
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39 | memcpy(&sessionid, rec->value.dptr, sizeof(sessionid));
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40 |
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41 | if (!process_exists(sessionid.pid)) {
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42 | return 0;
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43 | }
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44 |
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45 | if (*parseable) {
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46 | d_printf("%s\\%s\\%s\\%s\\%s\n",
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47 | procid_str_static(&sessionid.pid), uidtoname(sessionid.uid),
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48 | gidtoname(sessionid.gid),
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49 | sessionid.remote_machine, sessionid.hostname);
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50 | } else {
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51 | d_printf("%7s %-12s %-12s %-12s (%s)\n",
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52 | procid_str_static(&sessionid.pid), uidtoname(sessionid.uid),
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53 | gidtoname(sessionid.gid),
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54 | sessionid.remote_machine, sessionid.hostname);
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55 | }
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56 |
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57 | return 0;
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58 | }
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59 |
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60 | static int net_status_sessions(struct net_context *c, int argc, const char **argv)
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61 | {
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62 | struct db_context *db;
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63 | bool parseable;
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64 |
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65 | if (c->display_usage) {
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66 | d_printf("Usage:\n"
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67 | "net status sessions [parseable]\n"
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68 | " Display open user sessions.\n"
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69 | " If parseable is specified, output is machine-"
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70 | "readable.\n");
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71 | return 0;
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72 | }
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73 |
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74 | if (argc == 0) {
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75 | parseable = false;
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76 | } else if ((argc == 1) && strequal(argv[0], "parseable")) {
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77 | parseable = true;
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78 | } else {
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79 | return net_status_usage(c, argc, argv);
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80 | }
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81 |
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82 | if (!parseable) {
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83 | d_printf("PID Username Group Machine"
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84 | " \n");
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85 | d_printf("-------------------------------------------"
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86 | "------------------------\n");
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87 | }
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88 |
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89 | db = db_open(NULL, lock_path("sessionid.tdb"), 0,
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90 | TDB_CLEAR_IF_FIRST, O_RDONLY, 0644);
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91 | if (db == NULL) {
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92 | d_fprintf(stderr, "%s not initialised\n", lock_path("sessionid.tdb"));
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93 | return -1;
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94 | }
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95 |
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96 | db->traverse_read(db, show_session, &parseable);
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97 | TALLOC_FREE(db);
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98 |
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99 | return 0;
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100 | }
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101 |
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102 | static int show_share(struct db_record *rec,
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103 | const struct connections_key *key,
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104 | const struct connections_data *crec,
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105 | void *state)
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106 | {
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107 | if (crec->cnum == -1)
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108 | return 0;
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109 |
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110 | if (!process_exists(crec->pid)) {
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111 | return 0;
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112 | }
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113 |
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114 | d_printf("%-10.10s %s %-12s %s",
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115 | crec->servicename, procid_str_static(&crec->pid),
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116 | crec->machine,
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117 | time_to_asc(crec->start));
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118 |
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119 | return 0;
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120 | }
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121 |
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122 | struct sessionids {
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123 | int num_entries;
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124 | struct sessionid *entries;
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125 | };
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126 |
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127 | static int collect_pid(struct db_record *rec, void *private_data)
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128 | {
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129 | struct sessionids *ids = (struct sessionids *)private_data;
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130 | struct sessionid sessionid;
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131 |
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132 | if (rec->value.dsize != sizeof(sessionid))
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133 | return 0;
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134 |
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135 | memcpy(&sessionid, rec->value.dptr, sizeof(sessionid));
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136 |
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137 | if (!process_exists(sessionid.pid))
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138 | return 0;
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139 |
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140 | ids->num_entries += 1;
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141 | ids->entries = SMB_REALLOC_ARRAY(ids->entries, struct sessionid, ids->num_entries);
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142 | if (!ids->entries) {
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143 | ids->num_entries = 0;
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144 | return 0;
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145 | }
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146 | ids->entries[ids->num_entries-1] = sessionid;
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147 |
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148 | return 0;
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149 | }
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150 |
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151 | static int show_share_parseable(struct db_record *rec,
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152 | const struct connections_key *key,
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153 | const struct connections_data *crec,
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154 | void *state)
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155 | {
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156 | struct sessionids *ids = (struct sessionids *)state;
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157 | int i;
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158 | bool guest = true;
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159 |
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160 | if (crec->cnum == -1)
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161 | return 0;
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162 |
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163 | if (!process_exists(crec->pid)) {
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164 | return 0;
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165 | }
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166 |
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167 | for (i=0; i<ids->num_entries; i++) {
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168 | struct server_id id = ids->entries[i].pid;
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169 | if (procid_equal(&id, &crec->pid)) {
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170 | guest = false;
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171 | break;
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172 | }
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173 | }
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174 |
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175 | d_printf("%s\\%s\\%s\\%s\\%s\\%s\\%s",
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176 | crec->servicename,procid_str_static(&crec->pid),
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177 | guest ? "" : uidtoname(ids->entries[i].uid),
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178 | guest ? "" : gidtoname(ids->entries[i].gid),
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179 | crec->machine,
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180 | guest ? "" : ids->entries[i].hostname,
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181 | time_to_asc(crec->start));
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182 |
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183 | return 0;
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184 | }
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185 |
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186 | static int net_status_shares_parseable(struct net_context *c, int argc, const char **argv)
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187 | {
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188 | struct sessionids ids;
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189 | struct db_context *db;
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190 |
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191 | ids.num_entries = 0;
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192 | ids.entries = NULL;
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193 |
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194 | db = db_open(NULL, lock_path("sessionid.tdb"), 0,
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195 | TDB_CLEAR_IF_FIRST, O_RDONLY, 0644);
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196 | if (db == NULL) {
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197 | d_fprintf(stderr, "%s not initialised\n", lock_path("sessionid.tdb"));
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198 | return -1;
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199 | }
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200 |
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201 | db->traverse_read(db, collect_pid, &ids);
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202 | TALLOC_FREE(db);
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203 |
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204 | connections_forall(show_share_parseable, &ids);
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205 |
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206 | SAFE_FREE(ids.entries);
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207 |
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208 | return 0;
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209 | }
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210 |
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211 | static int net_status_shares(struct net_context *c, int argc, const char **argv)
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212 | {
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213 | if (c->display_usage) {
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214 | d_printf("Usage:\n"
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215 | "net status shares [parseable]\n"
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216 | " Display open user shares.\n"
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217 | " If parseable is specified, output is machine-"
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218 | "readable.\n");
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219 | return 0;
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220 | }
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221 |
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222 | if (argc == 0) {
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223 |
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224 | d_printf("\nService pid machine "
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225 | "Connected at\n");
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226 | d_printf("-------------------------------------"
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227 | "------------------\n");
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228 |
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229 | connections_forall(show_share, NULL);
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230 |
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231 | return 0;
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232 | }
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233 |
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234 | if ((argc != 1) || !strequal(argv[0], "parseable")) {
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235 | return net_status_usage(c, argc, argv);
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236 | }
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237 |
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238 | return net_status_shares_parseable(c, argc, argv);
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239 | }
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240 |
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241 | int net_status(struct net_context *c, int argc, const char **argv)
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242 | {
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243 | struct functable func[] = {
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244 | {
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245 | "sessions",
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246 | net_status_sessions,
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247 | NET_TRANSPORT_LOCAL,
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248 | "Show list of open sessions",
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249 | "net status sessions [parseable]\n"
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250 | " If parseable is specified, output is presented "
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251 | "in a machine-parseable fashion."
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252 | },
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253 | {
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254 | "shares",
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255 | net_status_shares,
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256 | NET_TRANSPORT_LOCAL,
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257 | "Show list of open shares",
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258 | "net status shares [parseable]\n"
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259 | " If parseable is specified, output is presented "
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260 | "in a machine-parseable fashion."
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261 | },
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262 | {NULL, NULL, 0, NULL, NULL}
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263 | };
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264 | return net_run_function(c, argc, argv, "net status", func);
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265 | }
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