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Viewing changes to samba/source/libsmb/smb_signing.c

  • Committer: Bazaar Package Importer
  • Author(s): Rick Clark
  • Date: 2008-08-27 08:56:20 UTC
  • mfrom: (1.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20080827085620-5q0f58b9qtog9myq
Tags: 4.1.0.2956-0ubuntu1
* missing-likewise-logo.diff: removed
* fixed copyright notice
* updated Standards-Version to 3.8.0
* removed path from command in prerm
* removed stop in S runlevel

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Lines of Context:
samba/source/libsmb/smb_signing.c
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        struct outstanding_packet_lookup *prev, *next;
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        uint16 mid;
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        uint32 reply_seq_num;
 
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        bool can_delete; /* Set to False in trans state. */
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};
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struct smb_basic_signing_context {
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        /* Ensure we only add a mid once. */
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        for (t = *list; t; t = t->next) {
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                if (t->mid == mid) {
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                        DLIST_REMOVE(*list, t);
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                        SAFE_FREE(t);
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                        break;
 
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                        return False;
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                }
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        }
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        t->mid = mid;
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        t->reply_seq_num = reply_seq_num;
 
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        t->can_delete = True;
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        /*
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         * Add to the *start* of the list not the end of the list.
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                        *reply_seq_num = t->reply_seq_num;
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                        DEBUG(10,("get_sequence_for_reply: found seq = %u mid = %u\n",
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                                (unsigned int)t->reply_seq_num, (unsigned int)t->mid ));
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                        DLIST_REMOVE(*list, t);
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                        SAFE_FREE(t);
 
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                        if (t->can_delete) {
 
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                                DLIST_REMOVE(*list, t);
 
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                                SAFE_FREE(t);
 
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                        }
 
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                        return True;
 
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                }
 
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        }
 
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        return False;
 
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}
 
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static bool set_sequence_can_delete_flag(struct outstanding_packet_lookup **list, uint16 mid, bool can_delete_entry)
 
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{
 
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        struct outstanding_packet_lookup *t;
 
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        for (t = *list; t; t = t->next) {
 
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                if (t->mid == mid) {
 
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                        t->can_delete = can_delete_entry;
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                        return True;
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                }
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        }
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}
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/***********************************************************
 
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 Enter trans/trans2/nttrans state.
 
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************************************************************/
 
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bool client_set_trans_sign_state_on(struct cli_state *cli, uint16 mid)
 
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{
 
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        struct smb_sign_info *si = &cli->sign_info;
 
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        struct smb_basic_signing_context *data = (struct smb_basic_signing_context *)si->signing_context;
 
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        if (!si->doing_signing) {
 
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                return True;
 
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        }
 
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        if (!data) {
 
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                return False;
 
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        }
 
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        if (!set_sequence_can_delete_flag(&data->outstanding_packet_list, mid, False)) {
 
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                return False;
 
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        }
 
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        return True;
 
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}
 
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/***********************************************************
 
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 Leave trans/trans2/nttrans state.
 
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************************************************************/
 
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bool client_set_trans_sign_state_off(struct cli_state *cli, uint16 mid)
 
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{
 
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        uint32 reply_seq_num;
 
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        struct smb_sign_info *si = &cli->sign_info;
 
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        struct smb_basic_signing_context *data = (struct smb_basic_signing_context *)si->signing_context;
 
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        if (!si->doing_signing) {
 
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                return True;
 
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        }
 
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        if (!data) {
 
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                return False;
 
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        }
 
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        if (!set_sequence_can_delete_flag(&data->outstanding_packet_list, mid, True)) {
 
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                return False;
 
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        }
 
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        /* Now delete the stored mid entry. */
 
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        if (!get_sequence_for_reply(&data->outstanding_packet_list, mid, &reply_seq_num)) {
 
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                return False;
 
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        }
 
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        return True;
 
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}
 
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/***********************************************************
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 Is client signing on ?
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************************************************************/
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