| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | Copyright (C) Rafal Szczesniak 2006
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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 |
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| 20 |
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| 21 | #include "includes.h"
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| 22 | #include "libnet/libnet.h"
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| 23 | #include "libcli/composite/composite.h"
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| 24 | #include "auth/credentials/credentials.h"
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| 25 | #include "librpc/ndr/libndr.h"
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| 26 | #include "librpc/gen_ndr/samr.h"
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| 27 | #include "librpc/gen_ndr/ndr_samr.h"
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| 28 | #include "librpc/gen_ndr/lsa.h"
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| 29 | #include "librpc/gen_ndr/ndr_lsa.h"
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| 30 |
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| 31 |
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| 32 | bool samr_domain_opened(struct libnet_context *ctx, const char *domain_name,
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| 33 | struct composite_context **parent_ctx,
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| 34 | struct libnet_DomainOpen *domain_open,
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| 35 | void (*continue_fn)(struct composite_context*),
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| 36 | void (*monitor)(struct monitor_msg*))
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| 37 | {
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| 38 | struct composite_context *domopen_req;
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| 39 |
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| 40 | if (parent_ctx == NULL || *parent_ctx == NULL) return false;
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| 41 |
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| 42 | if (domain_name == NULL) {
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| 43 | /*
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| 44 | * Try to guess the domain name from credentials,
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| 45 | * if it's not been explicitly specified.
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| 46 | */
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| 47 |
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| 48 | if (policy_handle_empty(&ctx->samr.handle)) {
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| 49 | domain_open->in.type = DOMAIN_SAMR;
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| 50 | domain_open->in.domain_name = cli_credentials_get_domain(ctx->cred);
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| 51 | domain_open->in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
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| 52 |
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| 53 | } else {
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| 54 | composite_error(*parent_ctx, NT_STATUS_INVALID_PARAMETER);
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| 55 | return true;
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| 56 | }
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| 57 |
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| 58 | } else {
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| 59 | /*
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| 60 | * The domain name has been specified, so check whether the same
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| 61 | * domain is already opened. If it is - just return NULL. Start
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| 62 | * opening a new domain otherwise.
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| 63 | */
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| 64 |
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| 65 | if (policy_handle_empty(&ctx->samr.handle) ||
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| 66 | !strequal(domain_name, ctx->samr.name)) {
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| 67 | domain_open->in.type = DOMAIN_SAMR;
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| 68 | domain_open->in.domain_name = domain_name;
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| 69 | domain_open->in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
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| 70 |
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| 71 | } else {
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| 72 | /* domain has already been opened and it's the same domain
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| 73 | as requested */
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| 74 | return true;
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| 75 | }
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| 76 | }
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| 77 |
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| 78 | /* send request to open the domain */
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| 79 | domopen_req = libnet_DomainOpen_send(ctx, domain_open, monitor);
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| 80 | if (composite_nomem(domopen_req, *parent_ctx)) return false;
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| 81 |
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| 82 | composite_continue(*parent_ctx, domopen_req, continue_fn, *parent_ctx);
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| 83 | return false;
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| 84 | }
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| 85 |
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| 86 |
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| 87 | bool lsa_domain_opened(struct libnet_context *ctx, const char *domain_name,
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| 88 | struct composite_context **parent_ctx,
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| 89 | struct libnet_DomainOpen *domain_open,
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| 90 | void (*continue_fn)(struct composite_context*),
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| 91 | void (*monitor)(struct monitor_msg*))
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| 92 | {
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| 93 | struct composite_context *domopen_req;
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| 94 |
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| 95 | if (parent_ctx == NULL || *parent_ctx == NULL) return false;
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| 96 |
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| 97 | if (domain_name == NULL) {
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| 98 | /*
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| 99 | * Try to guess the domain name from credentials,
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| 100 | * if it's not been explicitly specified.
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| 101 | */
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| 102 |
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| 103 | if (policy_handle_empty(&ctx->lsa.handle)) {
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| 104 | domain_open->in.type = DOMAIN_LSA;
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| 105 | domain_open->in.domain_name = cli_credentials_get_domain(ctx->cred);
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| 106 | domain_open->in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
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| 107 |
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| 108 | } else {
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| 109 | composite_error(*parent_ctx, NT_STATUS_INVALID_PARAMETER);
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| 110 | /* this ensures the calling function exits and composite function error
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| 111 | gets noticed quickly */
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| 112 | return true;
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| 113 | }
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| 114 |
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| 115 | } else {
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| 116 | /*
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| 117 | * The domain name has been specified, so check whether the same
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| 118 | * domain is already opened. If it is - just return NULL. Start
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| 119 | * opening a new domain otherwise.
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| 120 | */
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| 121 |
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| 122 | if (policy_handle_empty(&ctx->lsa.handle) ||
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| 123 | !strequal(domain_name, ctx->lsa.name)) {
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| 124 | domain_open->in.type = DOMAIN_LSA;
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| 125 | domain_open->in.domain_name = domain_name;
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| 126 | domain_open->in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
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| 127 |
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| 128 | } else {
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| 129 | /* domain has already been opened and it's the same domain
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| 130 | as requested */
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| 131 | return true;
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| 132 | }
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| 133 | }
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| 134 |
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| 135 | /* send request to open the domain */
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| 136 | domopen_req = libnet_DomainOpen_send(ctx, domain_open, monitor);
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| 137 | /* see the comment above to find out why true is returned here */
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| 138 | if (composite_nomem(domopen_req, *parent_ctx)) return true;
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| 139 |
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| 140 | composite_continue(*parent_ctx, domopen_req, continue_fn, *parent_ctx);
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| 141 | return false;
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| 142 | }
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