1 | /*
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2 | Unix SMB/CIFS implementation.
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3 |
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4 | Winbind client library.
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5 |
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6 | Copyright (C) 2008 Kai Blin <kai@samba.org>
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7 |
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8 | This program is free software; you can redistribute it and/or modify
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9 | it under the terms of the GNU General Public License as published by
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10 | the Free Software Foundation; either version 3 of the License, or
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11 | (at your option) any later version.
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12 |
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13 | This program is distributed in the hope that it will be useful,
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14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | GNU General Public License for more details.
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17 |
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18 | You should have received a copy of the GNU General Public License
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19 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 | */
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21 |
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22 | #include "includes.h"
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23 | #include <tevent.h>
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24 | #include "libcli/wbclient/wbclient.h"
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25 |
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26 | /**
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27 | * Initialize the wbclient context, talloc_free() when done.
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28 | *
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29 | * \param mem_ctx talloc context to allocate memory from
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30 | * \param msg_ctx message context to use
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31 | * \param
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32 | */
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33 | struct wbc_context *wbc_init(TALLOC_CTX *mem_ctx,
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34 | struct messaging_context *msg_ctx,
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35 | struct tevent_context *event_ctx)
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36 | {
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37 | struct wbc_context *ctx;
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38 |
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39 | ctx = talloc(mem_ctx, struct wbc_context);
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40 | if (ctx == NULL) return NULL;
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41 |
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42 | ctx->event_ctx = event_ctx;
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43 |
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44 | ctx->irpc_handle = irpc_binding_handle_by_name(ctx, msg_ctx,
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45 | "winbind_server",
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46 | &ndr_table_winbind);
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47 | if (ctx->irpc_handle == NULL) {
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48 | talloc_free(ctx);
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49 | return NULL;
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50 | }
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51 |
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52 | return ctx;
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53 | }
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54 |
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55 | struct wbc_idmap_state {
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56 | struct composite_context *ctx;
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57 | struct winbind_get_idmap *req;
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58 | struct id_map *ids;
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59 | };
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60 |
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61 | static void sids_to_xids_recv_ids(struct tevent_req *subreq);
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62 |
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63 | struct composite_context *wbc_sids_to_xids_send(struct wbc_context *wbc_ctx,
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64 | TALLOC_CTX *mem_ctx,
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65 | uint32_t count,
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66 | struct id_map *ids)
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67 | {
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68 | struct composite_context *ctx;
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69 | struct wbc_idmap_state *state;
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70 | struct tevent_req *subreq;
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71 |
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72 | DEBUG(5, ("wbc_sids_to_xids called\n"));
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73 |
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74 | ctx = composite_create(mem_ctx, wbc_ctx->event_ctx);
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75 | if (ctx == NULL) return NULL;
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76 |
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77 | state = talloc(ctx, struct wbc_idmap_state);
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78 | if (composite_nomem(state, ctx)) return ctx;
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79 | ctx->private_data = state;
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80 |
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81 | state->req = talloc(state, struct winbind_get_idmap);
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82 | if (composite_nomem(state->req, ctx)) return ctx;
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83 |
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84 | state->req->in.count = count;
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85 | state->req->in.level = WINBIND_IDMAP_LEVEL_SIDS_TO_XIDS;
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86 | state->req->in.ids = ids;
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87 | state->ctx = ctx;
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88 |
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89 | subreq = dcerpc_winbind_get_idmap_r_send(state,
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90 | wbc_ctx->event_ctx,
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91 | wbc_ctx->irpc_handle,
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92 | state->req);
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93 | if (composite_nomem(subreq, ctx)) return ctx;
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94 |
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95 | tevent_req_set_callback(subreq, sids_to_xids_recv_ids, state);
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96 |
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97 | return ctx;
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98 | }
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99 |
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100 | static void sids_to_xids_recv_ids(struct tevent_req *subreq)
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101 | {
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102 | struct wbc_idmap_state *state =
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103 | tevent_req_callback_data(subreq,
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104 | struct wbc_idmap_state);
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105 |
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106 | state->ctx->status = dcerpc_winbind_get_idmap_r_recv(subreq, state);
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107 | TALLOC_FREE(subreq);
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108 | if (!composite_is_ok(state->ctx)) return;
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109 |
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110 | state->ids = state->req->out.ids;
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111 | composite_done(state->ctx);
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112 | }
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113 |
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114 | NTSTATUS wbc_sids_to_xids_recv(struct composite_context *ctx,
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115 | struct id_map **ids)
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116 | {
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117 | NTSTATUS status = composite_wait(ctx);
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118 | DEBUG(5, ("wbc_sids_to_xids_recv called\n"));
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119 | if (NT_STATUS_IS_OK(status)) {
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120 | struct wbc_idmap_state *state = talloc_get_type_abort(
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121 | ctx->private_data,
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122 | struct wbc_idmap_state);
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123 | *ids = state->ids;
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124 | }
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125 |
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126 | return status;
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127 | }
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128 |
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129 | static void xids_to_sids_recv_ids(struct tevent_req *subreq);
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130 |
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131 | struct composite_context *wbc_xids_to_sids_send(struct wbc_context *wbc_ctx,
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132 | TALLOC_CTX *mem_ctx,
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133 | uint32_t count,
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134 | struct id_map *ids)
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135 | {
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136 | struct composite_context *ctx;
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137 | struct wbc_idmap_state *state;
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138 | struct tevent_req *subreq;
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139 |
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140 | DEBUG(5, ("wbc_xids_to_sids called\n"));
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141 |
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142 | ctx = composite_create(mem_ctx, wbc_ctx->event_ctx);
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143 | if (ctx == NULL) return NULL;
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144 |
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145 | state = talloc(ctx, struct wbc_idmap_state);
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146 | if (composite_nomem(state, ctx)) return ctx;
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147 | ctx->private_data = state;
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148 |
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149 | state->req = talloc(state, struct winbind_get_idmap);
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150 | if (composite_nomem(state->req, ctx)) return ctx;
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151 |
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152 | state->req->in.count = count;
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153 | state->req->in.level = WINBIND_IDMAP_LEVEL_XIDS_TO_SIDS;
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154 | state->req->in.ids = ids;
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155 | state->ctx = ctx;
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156 |
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157 | subreq = dcerpc_winbind_get_idmap_r_send(state,
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158 | wbc_ctx->event_ctx,
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159 | wbc_ctx->irpc_handle,
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160 | state->req);
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161 | if (composite_nomem(subreq, ctx)) return ctx;
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162 |
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163 | tevent_req_set_callback(subreq, xids_to_sids_recv_ids, state);
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164 |
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165 | return ctx;
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166 | }
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167 |
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168 | static void xids_to_sids_recv_ids(struct tevent_req *subreq)
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169 | {
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170 | struct wbc_idmap_state *state =
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171 | tevent_req_callback_data(subreq,
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172 | struct wbc_idmap_state);
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173 |
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174 | state->ctx->status = dcerpc_winbind_get_idmap_r_recv(subreq, state);
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175 | TALLOC_FREE(subreq);
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176 | if (!composite_is_ok(state->ctx)) return;
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177 |
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178 | state->ids = state->req->out.ids;
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179 | composite_done(state->ctx);
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180 | }
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181 |
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182 | NTSTATUS wbc_xids_to_sids_recv(struct composite_context *ctx,
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183 | struct id_map **ids)
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184 | {
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185 | NTSTATUS status = composite_wait(ctx);
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186 | DEBUG(5, ("wbc_xids_to_sids_recv called\n"));
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187 | if (NT_STATUS_IS_OK(status)) {
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188 | struct wbc_idmap_state *state = talloc_get_type_abort(
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189 | ctx->private_data,
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190 | struct wbc_idmap_state);
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191 | *ids = state->ids;
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192 | }
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193 |
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194 | return status;
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195 | }
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196 |
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