[257] | 1 |
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| 2 | /*
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| 3 | *@@sourcefile xsecapi.c:
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| 4 | *
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| 5 | *@@header "shared\xsecapi.h"
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| 6 | */
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| 7 |
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| 8 | /*
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| 9 | * Copyright (C) 2001-2003 Ulrich Mller.
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| 10 | *
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| 11 | * This file is part of the XWorkplace source package.
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| 12 | * XWorkplace is free software; you can redistribute it and/or modify
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| 13 | * it under the terms of the GNU General Public License as published
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| 14 | * by the Free Software Foundation, in version 2 as it comes in the
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| 15 | * "COPYING" file of the XWorkplace main distribution.
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| 16 | * This program is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | */
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| 21 |
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| 22 | #pragma strings(readonly)
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| 23 |
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| 24 | /*
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| 25 | * Suggested #include order:
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| 26 | * 1) os2.h
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| 27 | * 2) C library headers
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| 28 | * 3) setup.h (code generation and debugging options)
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| 29 | * 4) headers in helpers\
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| 30 | * 5) at least one SOM implementation header (*.ih)
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| 31 | * 6) dlgids.h, headers in shared\ (as needed)
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| 32 | * 7) headers in implementation dirs (e.g. filesys\, as needed)
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| 33 | * 8) #pragma hdrstop and then more SOM headers which crash with precompiled headers
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| 34 | */
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| 35 |
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| 36 | #define INCL_DOSPROCESS
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| 37 | #define INCL_DOSSEMAPHORES
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| 38 | #define INCL_DOSQUEUES
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| 39 | #define INCL_DOSERRORS
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| 40 | #include <os2.h>
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| 41 |
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| 42 | // C library headers
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| 43 | #include <stdio.h>
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| 44 |
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| 45 | // generic headers
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| 46 | #include "setup.h" // code generation and debugging options
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| 47 |
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| 48 | // headers in /helpers
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| 49 | #include "helpers\standards.h" // some standard macros
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| 50 | #include "helpers\stringh.h" // string helper routines
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| 51 |
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| 52 | // XWorkplace implementation headers
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| 53 | #include "helpers\xwpsecty.h" // XWorkplace Security
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| 54 |
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| 55 | // other SOM headers
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| 56 | #pragma hdrstop
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| 57 |
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| 58 | /* ******************************************************************
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| 59 | *
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| 60 | * Helpers
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| 61 | *
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| 62 | ********************************************************************/
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| 63 |
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| 64 | /*
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| 65 | *@@ XWPSHELLCOMMAND:
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| 66 | *
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| 67 | *@@added V0.9.11 (2001-04-22) [umoeller]
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| 68 | */
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| 69 |
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| 70 | typedef struct _XWPSHELLCOMMAND
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| 71 | {
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| 72 | PXWPSHELLQUEUEDATA pShared;
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| 73 | PID pidXWPShell;
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| 74 | HQUEUE hqXWPShell;
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| 75 | } XWPSHELLCOMMAND, *PXWPSHELLCOMMAND;
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| 76 |
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| 77 | VOID FreeXWPShellCommand(PXWPSHELLCOMMAND pCommand);
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| 78 |
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| 79 | /*
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| 80 | *@@ CreateXWPShellCommand:
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| 81 | * creates a command for XWPShell to process.
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| 82 | *
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| 83 | * See XWPSHELLQUEUEDATA for a description of
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| 84 | * what's going on here.
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| 85 | *
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| 86 | * ulCommand must be one of QUECMD_* values.
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| 87 | *
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| 88 | * If this returns NO_ERROR, the caller must
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| 89 | * then fill in the shared data according to
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| 90 | * what the command requires and use
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| 91 | * SendXWPShellCommand then.
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| 92 | *
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| 93 | * Among others, this can return:
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| 94 | *
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| 95 | * -- ERROR_NOT_ENOUGH_MEMORY
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| 96 | *
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| 97 | * -- ERROR_QUE_NAME_NOT_EXIST (343): XWPShell queue
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| 98 | * not found, XWPShell is probably not running.
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| 99 | *
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| 100 | *@@added V0.9.11 (2001-04-22) [umoeller]
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| 101 | */
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| 102 |
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| 103 | APIRET CreateXWPShellCommand(ULONG ulCommand, // in: command
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| 104 | PXWPSHELLCOMMAND *ppCommand) // out: cmd structure if NO_ERROR is returned
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| 105 | {
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| 106 | APIRET arc = NO_ERROR;
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| 107 |
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| 108 | PXWPSHELLCOMMAND pCommand;
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| 109 | if (!(pCommand = NEW(XWPSHELLCOMMAND)))
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| 110 | arc = ERROR_NOT_ENOUGH_MEMORY;
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| 111 | else
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| 112 | {
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| 113 | ZERO(pCommand);
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| 114 |
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| 115 | // check if XWPShell is running; if so the queue must exist
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| 116 | if ( (!(arc = DosOpenQueue(&pCommand->pidXWPShell,
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| 117 | &pCommand->hqXWPShell,
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| 118 | QUEUE_XWPSHELL)))
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| 119 | && (!(arc = DosAllocSharedMem((PVOID*)&pCommand->pShared,
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| 120 | NULL, // unnamed
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| 121 | sizeof(XWPSHELLQUEUEDATA),
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| 122 | PAG_COMMIT | OBJ_GIVEABLE | PAG_READ | PAG_WRITE)))
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| 123 | )
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| 124 | {
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| 125 | PXWPSHELLQUEUEDATA pShared = pCommand->pShared;
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| 126 |
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| 127 | if ( (!(arc = DosGiveSharedMem(pShared,
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| 128 | pCommand->pidXWPShell,
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| 129 | PAG_READ | PAG_WRITE)))
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| 130 | && (!(arc = DosCreateEventSem(NULL,
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| 131 | &pShared->hevData,
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| 132 | DC_SEM_SHARED,
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| 133 | FALSE))) // reset
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| 134 | )
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| 135 | {
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| 136 | pShared->ulCommand = ulCommand;
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| 137 | pShared->cbStruct = sizeof(XWPSHELLQUEUEDATA);
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| 138 | }
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| 139 | }
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| 140 |
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| 141 | if (!arc)
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| 142 | *ppCommand = pCommand;
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| 143 | else
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| 144 | FreeXWPShellCommand(pCommand);
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| 145 | }
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| 146 |
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| 147 | return arc;
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| 148 | }
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| 149 |
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| 150 | /*
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| 151 | *@@ SendXWPShellCommand:
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| 152 | * sends a command to XWPShell and waits for
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| 153 | * the command to be processed.
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| 154 | *
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| 155 | * Be warned, this blocks the calling thread.
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| 156 | * Even though XWPShell should be following
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| 157 | * the PM 0.1 seconds rule in most cases,
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| 158 | * some calls such as "create user" can be
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| 159 | * expensive and you might want to start a
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| 160 | * second thread for this.
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| 161 | *
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| 162 | * Returns:
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| 163 | *
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| 164 | * -- NO_ERROR: command written, and XWPShell
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| 165 | * responded correctly.
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| 166 | *
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| 167 | * -- ERROR_TIMEOUT (640): XWPShell did not
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| 168 | * respond within five seconds.
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| 169 | *
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| 170 | * -- XWPSEC_QUEUE_INVALID_CMD: XWPShell did
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| 171 | * not recognize the given command code.
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| 172 | *
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| 173 | * -- XWPSEC_STRUCT_MISMATCH: sizeof XWPSHELLQUEUEDATA
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| 174 | * does not match; probably a wrong version of
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| 175 | * XWPShell is installed.
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| 176 | *
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| 177 | * -- XWPSEC_INTEGRITY: internal error in XWPShell.
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| 178 | * Some data structure was corrupt, and this is
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| 179 | * really a bug and should be fixed.
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| 180 | *
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| 181 | * plus the many command-specific XWPSEC_*
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| 182 | * error codes.
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| 183 | *
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| 184 | *@@added V0.9.11 (2001-04-22) [umoeller]
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| 185 | */
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| 186 |
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| 187 | APIRET SendXWPShellCommand(PXWPSHELLCOMMAND pCommand)
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| 188 | {
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| 189 | APIRET arc = NO_ERROR;
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| 190 |
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| 191 | if (!pCommand)
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| 192 | arc = ERROR_INVALID_PARAMETER;
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| 193 | else
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| 194 | {
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| 195 | if ( (!(arc = DosWriteQueue(pCommand->hqXWPShell,
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| 196 | (ULONG)pCommand->pShared, // request data
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| 197 | 0,
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| 198 | NULL,
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| 199 | 0))) // priority
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| 200 | // wait 5 seconds for XWPShell to write the data
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| 201 | && (!(arc = DosWaitEventSem(pCommand->pShared->hevData,
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| 202 | 5*1000)))
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| 203 | )
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| 204 | {
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| 205 | // return what XWPShell returns
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| 206 | arc = pCommand->pShared->arc;
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| 207 | }
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| 208 | }
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| 209 |
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| 210 | return arc;
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| 211 | }
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| 212 |
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| 213 | /*
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| 214 | *@@ FreeXWPShellCommand:
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| 215 | * cleans up.
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| 216 | *
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| 217 | *@@added V0.9.11 (2001-04-22) [umoeller]
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| 218 | */
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| 219 |
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| 220 | VOID FreeXWPShellCommand(PXWPSHELLCOMMAND pCommand)
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| 221 | {
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| 222 | if (pCommand)
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| 223 | {
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| 224 | if (pCommand->pShared)
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| 225 | {
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| 226 | if (pCommand->pShared->hevData)
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| 227 | DosCloseEventSem(pCommand->pShared->hevData);
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| 228 |
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| 229 | DosFreeMem(pCommand->pShared);
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| 230 | }
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| 231 |
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| 232 | if (pCommand->hqXWPShell)
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| 233 | DosCloseQueue(pCommand->hqXWPShell);
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| 234 |
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| 235 | free(pCommand);
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| 236 | }
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| 237 | }
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| 238 |
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| 239 | /* ******************************************************************
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| 240 | *
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| 241 | * XWPShell security APIs
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| 242 | *
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| 243 | ********************************************************************/
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| 244 |
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| 245 | /*
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| 246 | *@@ xsecQueryStatus:
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| 247 | * tests whether XWorkplace security is working and
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| 248 | * returns ring-0 statistics.
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| 249 | *
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| 250 | + If this returns NO_ERROR, XWPShell is running
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| 251 | * correctly. Check XWPSECSTATUS.fLocalSecurity to
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| 252 | * learn whether the ring-0 driver is active also.
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| 253 | *
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| 254 | * Required authority: None.
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| 255 | *
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| 256 | * Command-specific error codes in addition to those
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| 257 | * returned by CreateXWPShellCommand and
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| 258 | * SendXWPShellCommand:
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| 259 | *
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| 260 | * -- none.
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| 261 | *
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| 262 | *@@added V1.0.1 (2003-01-05) [umoeller]
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| 263 | */
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| 264 |
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| 265 | APIRET xsecQueryStatus(PXWPSECSTATUS pStatus) // out: ring-0 status (ptr can be null)
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| 266 | {
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| 267 | APIRET arc = NO_ERROR;
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| 268 | PXWPSHELLCOMMAND pCommand;
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| 269 |
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| 270 | if (!(arc = CreateXWPShellCommand(QUECMD_QUERYSTATUS,
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| 271 | &pCommand)))
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| 272 | {
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| 273 | if (!(arc = SendXWPShellCommand(pCommand)))
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| 274 | if (pStatus)
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| 275 | memcpy(pStatus,
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| 276 | &pCommand->pShared->Data.Status,
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| 277 | sizeof(pCommand->pShared->Data.Status));
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| 278 |
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| 279 | FreeXWPShellCommand(pCommand);
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| 280 | }
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| 281 |
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| 282 | return arc;
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| 283 | }
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| 284 |
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| 285 | /*
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| 286 | *@@ xsecQueryLocalUser:
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| 287 | * returns info for the user who's currently
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| 288 | * logged on locally, that is, the user who
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| 289 | * owns the shell.
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| 290 | *
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| 291 | * Required authority: None.
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| 292 | *
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| 293 | * Command-specific error codes in addition to those
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| 294 | * returned by CreateXWPShellCommand and
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| 295 | * SendXWPShellCommand:
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| 296 | *
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| 297 | * -- XWPSEC_NO_LOCAL_USER: no user is currently
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| 298 | * logged on locally (XWPShell is probably
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| 299 | * displaying logon dialog).
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| 300 | *
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| 301 | *@@added V0.9.11 (2001-04-22) [umoeller]
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| 302 | */
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| 303 |
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| 304 | APIRET xsecQueryLocalUser(PXWPUSERDBENTRY *ppLocalUser) // out: currently logged on user
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| 305 | {
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| 306 | APIRET arc = NO_ERROR;
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| 307 | PXWPSHELLCOMMAND pCommand;
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| 308 |
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| 309 | if (!(arc = CreateXWPShellCommand(QUECMD_QUERYLOCALUSER,
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| 310 | &pCommand)))
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| 311 | {
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| 312 | if (!(arc = SendXWPShellCommand(pCommand)))
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| 313 | {
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| 314 | // alright:
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| 315 | PXWPUSERDBENTRY pLocal = pCommand->pShared->Data.pLocalUser;
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| 316 | if (!(*ppLocalUser = (PXWPUSERDBENTRY)malloc(pLocal->cbStruct)))
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| 317 | arc = ERROR_NOT_ENOUGH_MEMORY;
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| 318 | else
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| 319 | memcpy(*ppLocalUser,
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| 320 | pLocal,
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| 321 | pLocal->cbStruct);
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| 322 | }
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| 323 |
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| 324 | FreeXWPShellCommand(pCommand);
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| 325 | }
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| 326 |
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| 327 | return arc;
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| 328 | }
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| 329 |
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| 330 | /*
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| 331 | *@@ xsecQueryAllUsers:
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| 332 | * returns an array of XWPUSERDBENTRY structs
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| 333 | * with all the users currently in the userdb.
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| 334 | *
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| 335 | * Warning: The array items are variable in
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| 336 | * size depending on group memberships, so
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| 337 | * always use the cbStruct member of each
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| 338 | * array item to climb to the next.
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| 339 | *
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| 340 | * Required authority: XWPPERM_QUERYUSERINFO.
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| 341 | *
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| 342 | * Command-specific error codes in addition to those
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| 343 | * returned by CreateXWPShellCommand and
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| 344 | * SendXWPShellCommand:
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| 345 | *
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| 346 | * -- XWPSEC_INSUFFICIENT_AUTHORITY
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| 347 | *
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| 348 | * plus the error codes from sudbQueryUsers.
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| 349 | *
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| 350 | *@@added V0.9.19 (2002-04-02) [umoeller]
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| 351 | */
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| 352 |
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| 353 | APIRET xsecQueryAllUsers(PULONG pcUsers, // ou: array item count
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| 354 | PXWPUSERDBENTRY *ppaUsers) // out: array of users (to be freed)
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| 355 | {
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| 356 | APIRET arc = NO_ERROR;
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| 357 | PXWPSHELLCOMMAND pCommand;
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| 358 |
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| 359 | if (!(arc = CreateXWPShellCommand(QUECMD_QUERYUSERS,
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| 360 | &pCommand)))
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| 361 | {
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| 362 | if (!(arc = SendXWPShellCommand(pCommand)))
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| 363 | {
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| 364 | // alright:
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| 365 | // the array items are variable in size, so check
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| 366 | ULONG ul,
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| 367 | cbTotal = 0;
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| 368 | PBYTE pbUserThis = (PBYTE)pCommand->pShared->Data.QueryUsers.paUsers;
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| 369 | PXWPUSERDBENTRY paUsers;
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| 370 | for (ul = 0;
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| 371 | ul < pCommand->pShared->Data.QueryUsers.cUsers;
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| 372 | ++ul)
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| 373 | {
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| 374 | ULONG cbThis = ((PXWPUSERDBENTRY)pbUserThis)->cbStruct;
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| 375 | cbTotal += cbThis;
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| 376 | pbUserThis += cbThis;
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| 377 | }
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| 378 |
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| 379 | if (!(paUsers = malloc(cbTotal)))
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| 380 | arc = ERROR_NOT_ENOUGH_MEMORY;
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| 381 | else
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| 382 | {
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| 383 | memcpy(paUsers,
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| 384 | pCommand->pShared->Data.QueryUsers.paUsers,
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| 385 | cbTotal);
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| 386 | *pcUsers = pCommand->pShared->Data.QueryUsers.cUsers;
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| 387 | *ppaUsers = paUsers;
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| 388 | }
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| 389 |
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| 390 | // free shared mem given to us by XWPShell
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| 391 | DosFreeMem(pCommand->pShared->Data.QueryUsers.paUsers);
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| 392 | }
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| 393 |
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| 394 | FreeXWPShellCommand(pCommand);
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| 395 | }
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| 396 |
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| 397 | return arc;
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| 398 | }
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| 399 |
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| 400 | /*
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| 401 | *@@ xsecQueryGroups:
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| 402 | * returns an array of XWPGROUPDBENTRY structs
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| 403 | * with all the groups currently in the userdb.
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| 404 | *
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| 405 | * Required authority: XWPPERM_QUERYUSERINFO.
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| 406 | *
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| 407 | * Command-specific error codes in addition to those
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| 408 | * returned by CreateXWPShellCommand and
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| 409 | * SendXWPShellCommand:
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| 410 | *
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| 411 | * -- XWPSEC_INSUFFICIENT_AUTHORITY
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| 412 | *
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| 413 | * plus the error codes from sudbQueryGroups.
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| 414 | *
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| 415 | *@@added V0.9.19 (2002-04-02) [umoeller]
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| 416 | */
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| 417 |
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| 418 | APIRET xsecQueryGroups(PULONG pcGroups,
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| 419 | PXWPGROUPDBENTRY *ppaGroups) // out: array of users (to be freed)
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| 420 | {
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| 421 | APIRET arc = NO_ERROR;
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| 422 | PXWPSHELLCOMMAND pCommand;
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| 423 |
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| 424 | if (!(arc = CreateXWPShellCommand(QUECMD_QUERYGROUPS,
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| 425 | &pCommand)))
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| 426 | {
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| 427 | if (!(arc = SendXWPShellCommand(pCommand)))
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| 428 | {
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| 429 | // alright:
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| 430 | PXWPGROUPDBENTRY paGroups;
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| 431 | ULONG cb = pCommand->pShared->Data.QueryGroups.cGroups
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| 432 | * sizeof(XWPGROUPDBENTRY);
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| 433 |
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| 434 | if (!(paGroups = malloc(cb)))
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| 435 | arc = ERROR_NOT_ENOUGH_MEMORY;
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| 436 | else
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| 437 | {
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| 438 | memcpy(paGroups,
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| 439 | pCommand->pShared->Data.QueryGroups.paGroups,
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| 440 | cb);
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| 441 | *pcGroups = pCommand->pShared->Data.QueryGroups.cGroups;
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| 442 | *ppaGroups = paGroups;
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| 443 | }
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| 444 |
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| 445 | // free shared mem given to us by XWPShell
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| 446 | DosFreeMem(pCommand->pShared->Data.QueryGroups.paGroups);
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| 447 | }
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| 448 |
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| 449 | FreeXWPShellCommand(pCommand);
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| 450 | }
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| 451 |
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| 452 | return arc;
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| 453 | }
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| 454 |
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| 455 | /*
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| 456 | *@@ xsecQueryUserName:
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| 457 | * convenience function that returns a single user name.
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| 458 | *
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| 459 | * Required authority: none. We consider plain user names
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| 460 | * something not worth protecting.
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| 461 | *
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| 462 | *@@added V1.0.2 (2003-11-13) [umoeller]
|
---|
| 463 | */
|
---|
| 464 |
|
---|
| 465 | APIRET xsecQueryUserName(XWPSECID uid, // in: user ID
|
---|
| 466 | PSZ pszUserName) // out: user name (buffer must be XWPSEC_NAMELEN in size)
|
---|
| 467 | {
|
---|
| 468 | APIRET arc = NO_ERROR;
|
---|
| 469 | PXWPSHELLCOMMAND pCommand;
|
---|
| 470 |
|
---|
| 471 | if (!(arc = CreateXWPShellCommand(QUECMD_QUERYUSERNAME,
|
---|
| 472 | &pCommand)))
|
---|
| 473 | {
|
---|
| 474 | PQUEUEUNION pUnion = &pCommand->pShared->Data;
|
---|
| 475 |
|
---|
| 476 | pUnion->QueryUserName.uid = uid;
|
---|
| 477 |
|
---|
| 478 | if (!(arc = SendXWPShellCommand(pCommand)))
|
---|
| 479 | strlcpy(pszUserName,
|
---|
| 480 | pUnion->QueryUserName.szUserName,
|
---|
| 481 | XWPSEC_NAMELEN);
|
---|
| 482 |
|
---|
| 483 | FreeXWPShellCommand(pCommand);
|
---|
| 484 | }
|
---|
| 485 |
|
---|
| 486 | return arc;
|
---|
| 487 | }
|
---|
| 488 |
|
---|
| 489 | /*
|
---|
| 490 | *@@ xsecQueryProcessOwner:
|
---|
| 491 | * returns the UID on whose behalf the given
|
---|
| 492 | * process is running.
|
---|
| 493 | *
|
---|
| 494 | * Required authority: none.
|
---|
| 495 | *
|
---|
| 496 | * Command-specific error codes in addition to those
|
---|
| 497 | * returned by CreateXWPShellCommand and
|
---|
| 498 | * SendXWPShellCommand:
|
---|
| 499 | *
|
---|
| 500 | * -- XWPSEC_INSUFFICIENT_AUTHORITY
|
---|
| 501 | *
|
---|
| 502 | *@@added V0.9.19 (2002-04-02) [umoeller]
|
---|
| 503 | */
|
---|
| 504 |
|
---|
| 505 | APIRET xsecQueryProcessOwner(USHORT pid, // in: process ID or 0 for caller
|
---|
| 506 | XWPSECID *puid) // out: user ID
|
---|
| 507 | {
|
---|
| 508 | APIRET arc = NO_ERROR;
|
---|
| 509 | PXWPSHELLCOMMAND pCommand;
|
---|
| 510 |
|
---|
| 511 | if (!(arc = CreateXWPShellCommand(QUECMD_QUERYPROCESSOWNER,
|
---|
| 512 | &pCommand)))
|
---|
| 513 | {
|
---|
| 514 | PQUEUEUNION pUnion = &pCommand->pShared->Data;
|
---|
| 515 |
|
---|
| 516 | pUnion->QueryProcessOwner.pid = pid;
|
---|
| 517 |
|
---|
| 518 | if (!(arc = SendXWPShellCommand(pCommand)))
|
---|
| 519 | *puid = pUnion->QueryProcessOwner.uid;
|
---|
| 520 |
|
---|
| 521 | FreeXWPShellCommand(pCommand);
|
---|
| 522 | }
|
---|
| 523 |
|
---|
| 524 | return arc;
|
---|
| 525 | }
|
---|
| 526 |
|
---|
| 527 | /*
|
---|
| 528 | *@@ xsecCreateUser:
|
---|
| 529 | * creates a new user in the user database.
|
---|
| 530 | *
|
---|
| 531 | * Required authority: XWPPERM_CREATEUSER.
|
---|
| 532 | *
|
---|
| 533 | * Command-specific error codes in addition to those
|
---|
| 534 | * returned by CreateXWPShellCommand and
|
---|
| 535 | * SendXWPShellCommand:
|
---|
| 536 | *
|
---|
| 537 | * -- ERROR_INVALID_PARAMETER
|
---|
| 538 | *
|
---|
| 539 | * -- ERROR_FILENAME_EXCED_RANGE: one of the given
|
---|
| 540 | * strings is too long.
|
---|
| 541 | *
|
---|
| 542 | * -- XWPSEC_INSUFFICIENT_AUTHORITY
|
---|
| 543 | *
|
---|
| 544 | * -- XWPSEC_USER_EXISTS
|
---|
| 545 | *
|
---|
| 546 | *@@added V0.9.19 (2002-04-02) [umoeller]
|
---|
| 547 | */
|
---|
| 548 |
|
---|
| 549 | APIRET xsecCreateUser(PCSZ pcszUserName, // in: user name
|
---|
| 550 | PCSZ pcszFullName, // in: user's descriptive name
|
---|
| 551 | PCSZ pcszPassword, // in: user's password
|
---|
| 552 | XWPSECID gid, // in: group of the new user
|
---|
| 553 | XWPSECID *puid) // out: user ID that was created
|
---|
| 554 | {
|
---|
| 555 | APIRET arc = NO_ERROR;
|
---|
| 556 | PXWPSHELLCOMMAND pCommand;
|
---|
| 557 |
|
---|
| 558 | if (!(arc = CreateXWPShellCommand(QUECMD_CREATEUSER,
|
---|
| 559 | &pCommand)))
|
---|
| 560 | {
|
---|
| 561 | PQUEUEUNION pUnion = &pCommand->pShared->Data;
|
---|
| 562 |
|
---|
| 563 | if ( (!(arc = strhCopyBuf(pUnion->CreateUser.szUserName,
|
---|
| 564 | pcszUserName,
|
---|
| 565 | sizeof(pUnion->CreateUser.szUserName))))
|
---|
| 566 | && (!(arc = strhCopyBuf(pUnion->CreateUser.szFullName,
|
---|
| 567 | pcszFullName,
|
---|
| 568 | sizeof(pUnion->CreateUser.szFullName))))
|
---|
| 569 | && (!(arc = strhCopyBuf(pUnion->CreateUser.szPassword,
|
---|
| 570 | pcszPassword,
|
---|
| 571 | sizeof(pUnion->CreateUser.szPassword))))
|
---|
| 572 | && (!(arc = SendXWPShellCommand(pCommand)))
|
---|
| 573 | )
|
---|
| 574 | {
|
---|
| 575 | // alright:
|
---|
| 576 | *puid = pUnion->CreateUser.uidCreated;
|
---|
| 577 | }
|
---|
| 578 |
|
---|
| 579 | FreeXWPShellCommand(pCommand);
|
---|
| 580 | }
|
---|
| 581 |
|
---|
| 582 | return arc;
|
---|
| 583 | }
|
---|
| 584 |
|
---|
| 585 | /*
|
---|
| 586 | *@@ xsecSetUserData:
|
---|
| 587 | * updates the user data for the given UID.
|
---|
| 588 | *
|
---|
| 589 | * Required authority: XWPPERM_CHANGEUSER.
|
---|
| 590 | *
|
---|
| 591 | * Command-specific error codes in addition to those
|
---|
| 592 | * returned by CreateXWPShellCommand and
|
---|
| 593 | * SendXWPShellCommand:
|
---|
| 594 | *
|
---|
| 595 | * -- ERROR_INVALID_PARAMETER
|
---|
| 596 | *
|
---|
| 597 | * -- ERROR_FILENAME_EXCED_RANGE: one of the given
|
---|
| 598 | * strings is too long.
|
---|
| 599 | *
|
---|
| 600 | * -- XWPSEC_INSUFFICIENT_AUTHORITY
|
---|
| 601 | *
|
---|
| 602 | *@@added V1.0.1 (2003-01-05) [umoeller]
|
---|
| 603 | */
|
---|
| 604 |
|
---|
| 605 | APIRET xsecSetUserData(XWPSECID uid,
|
---|
| 606 | PCSZ pcszUserName,
|
---|
| 607 | PCSZ pcszFullName)
|
---|
| 608 | {
|
---|
| 609 | APIRET arc = NO_ERROR;
|
---|
| 610 | PXWPSHELLCOMMAND pCommand;
|
---|
| 611 |
|
---|
| 612 | if (!(arc = CreateXWPShellCommand(QUECMD_SETUSERDATA,
|
---|
| 613 | &pCommand)))
|
---|
| 614 | {
|
---|
| 615 | PQUEUEUNION pUnion = &pCommand->pShared->Data;
|
---|
| 616 |
|
---|
| 617 | pUnion->SetUserData.uid = uid;
|
---|
| 618 |
|
---|
| 619 | if ( (!(arc = strhCopyBuf(pUnion->SetUserData.szUserName,
|
---|
| 620 | pcszUserName,
|
---|
| 621 | sizeof(pUnion->SetUserData.szUserName))))
|
---|
| 622 | && (!(arc = strhCopyBuf(pUnion->SetUserData.szFullName,
|
---|
| 623 | pcszFullName,
|
---|
| 624 | sizeof(pUnion->SetUserData.szFullName))))
|
---|
| 625 | && (!(arc = SendXWPShellCommand(pCommand)))
|
---|
| 626 | )
|
---|
| 627 | {
|
---|
| 628 | }
|
---|
| 629 |
|
---|
| 630 | FreeXWPShellCommand(pCommand);
|
---|
| 631 | }
|
---|
| 632 |
|
---|
| 633 | return arc;
|
---|
| 634 | }
|
---|
| 635 |
|
---|
| 636 | /*
|
---|
| 637 | *@@ xsecDeleteUser:
|
---|
| 638 | * deletes the user account for the given UID.
|
---|
| 639 | *
|
---|
| 640 | * Required authority: XWPPERM_DELETEUSER.
|
---|
| 641 | *
|
---|
| 642 | * Command-specific error codes in addition to those
|
---|
| 643 | * returned by CreateXWPShellCommand and
|
---|
| 644 | * SendXWPShellCommand:
|
---|
| 645 | *
|
---|
| 646 | * -- XWPSEC_INSUFFICIENT_AUTHORITY
|
---|
| 647 | *
|
---|
| 648 | *@@added V1.0.1 (2003-01-05) [umoeller]
|
---|
| 649 | */
|
---|
| 650 |
|
---|
| 651 | APIRET xsecDeleteUser(XWPSECID uid)
|
---|
| 652 | {
|
---|
| 653 | APIRET arc = NO_ERROR;
|
---|
| 654 | PXWPSHELLCOMMAND pCommand;
|
---|
| 655 |
|
---|
| 656 | if (!(arc = CreateXWPShellCommand(QUECMD_DELETEUSER,
|
---|
| 657 | &pCommand)))
|
---|
| 658 | {
|
---|
| 659 | PQUEUEUNION pUnion = &pCommand->pShared->Data;
|
---|
| 660 |
|
---|
| 661 | pUnion->uidDelete = uid;
|
---|
| 662 |
|
---|
| 663 | arc = SendXWPShellCommand(pCommand);
|
---|
| 664 |
|
---|
| 665 | FreeXWPShellCommand(pCommand);
|
---|
| 666 | }
|
---|
| 667 |
|
---|
| 668 | return arc;
|
---|
| 669 | }
|
---|
| 670 |
|
---|
| 671 | /*
|
---|
| 672 | *@@ xsecQueryPermissions:
|
---|
| 673 | * returns the permissions that the user on whose
|
---|
| 674 | * behalf the calling process runs has on the
|
---|
| 675 | * given resource. *pflAccess receives the ORed
|
---|
| 676 | * XWPACCESS_* flags that represent these
|
---|
| 677 | * permissions.
|
---|
| 678 | *
|
---|
| 679 | * This performs a full authorization on the given
|
---|
| 680 | * resource according to the general authorization
|
---|
| 681 | * rules.
|
---|
| 682 | *
|
---|
| 683 | * Required authority: none.
|
---|
| 684 | *
|
---|
| 685 | * Command-specific error codes in addition to those
|
---|
| 686 | * returned by CreateXWPShellCommand and
|
---|
| 687 | * SendXWPShellCommand:
|
---|
| 688 | *
|
---|
| 689 | * -- ERROR_INVALID_PARAMETER
|
---|
| 690 | *
|
---|
| 691 | * -- ERROR_FILENAME_EXCED_RANGE
|
---|
| 692 | *
|
---|
| 693 | *@@added V1.0.1 (2003-01-10) [umoeller]
|
---|
| 694 | */
|
---|
| 695 |
|
---|
| 696 | APIRET xsecQueryPermissions(PCSZ pcszFilename,
|
---|
| 697 | PULONG pflAccess)
|
---|
| 698 | {
|
---|
| 699 | APIRET arc = NO_ERROR;
|
---|
| 700 | PXWPSHELLCOMMAND pCommand;
|
---|
| 701 |
|
---|
| 702 | if (!(arc = CreateXWPShellCommand(QUECMD_QUERYPERMISSIONS,
|
---|
| 703 | &pCommand)))
|
---|
| 704 | {
|
---|
| 705 | PQUEUEUNION pUnion = &pCommand->pShared->Data;
|
---|
| 706 |
|
---|
| 707 | if ( (!(arc = strhCopyBuf(pUnion->QueryPermissions.szResource,
|
---|
| 708 | pcszFilename,
|
---|
| 709 | sizeof(pUnion->QueryPermissions.szResource))))
|
---|
| 710 | && (!(arc = SendXWPShellCommand(pCommand)))
|
---|
| 711 | )
|
---|
| 712 | {
|
---|
| 713 | *pflAccess = pUnion->QueryPermissions.flAccess;
|
---|
| 714 | }
|
---|
| 715 |
|
---|
| 716 | FreeXWPShellCommand(pCommand);
|
---|
| 717 | }
|
---|
| 718 |
|
---|
| 719 | return arc;
|
---|
| 720 | }
|
---|
| 721 |
|
---|
| 722 | /*
|
---|
| 723 | *@@ xsecSwitchUser:
|
---|
| 724 | * switches the credentials for the current (calling)
|
---|
| 725 | * process. This allows a process to switch to a different
|
---|
| 726 | * user, for example to implement a "su" command, since
|
---|
| 727 | * subprocesses started after the switch will inherit the
|
---|
| 728 | * new credentials.
|
---|
| 729 | *
|
---|
| 730 | * Note that switching the user does not make the new
|
---|
| 731 | * user a "local" user. Neither will switching users
|
---|
| 732 | * adjust the environment of the current process; to
|
---|
| 733 | * implement shell-like behavior, the caller must adjust
|
---|
| 734 | * the environment variables such as "USER" and "HOME"
|
---|
| 735 | * by itself.
|
---|
| 736 | *
|
---|
| 737 | * Required authority: none.
|
---|
| 738 | *
|
---|
| 739 | * Command-specific error codes in addition to those
|
---|
| 740 | * returned by CreateXWPShellCommand and
|
---|
| 741 | * SendXWPShellCommand:
|
---|
| 742 | *
|
---|
| 743 | * -- ERROR_INVALID_PARAMETER
|
---|
| 744 | *
|
---|
| 745 | * -- ERROR_FILENAME_EXCED_RANGE
|
---|
| 746 | *
|
---|
| 747 | * -- XWPSEC_NOT_AUTHENTICATED: pUserInfo->szUserName
|
---|
| 748 | * is unknown, or pUserInfo->szPassword doesn't
|
---|
| 749 | * match the entry in the userdb.
|
---|
| 750 | *
|
---|
| 751 | * If NO_ERROR is returned, the credentials of the current
|
---|
| 752 | * process have been switched.
|
---|
| 753 | */
|
---|
| 754 |
|
---|
| 755 | APIRET xsecSwitchUser(PCSZ pcszUserName,
|
---|
| 756 | PCSZ pcszPassword)
|
---|
| 757 | {
|
---|
| 758 | APIRET arc = NO_ERROR;
|
---|
| 759 | PXWPSHELLCOMMAND pCommand;
|
---|
| 760 |
|
---|
| 761 | if (!(arc = CreateXWPShellCommand(QUECMD_SWITCHUSER,
|
---|
| 762 | &pCommand)))
|
---|
| 763 | {
|
---|
| 764 | PQUEUEUNION pUnion = &pCommand->pShared->Data;
|
---|
| 765 |
|
---|
| 766 | if ( (!(arc = strhCopyBuf(pUnion->SwitchUser.szUserName,
|
---|
| 767 | pcszUserName,
|
---|
| 768 | sizeof(pUnion->SwitchUser.szUserName))))
|
---|
| 769 | && (!(arc = strhCopyBuf(pUnion->SwitchUser.szPassword,
|
---|
| 770 | pcszPassword,
|
---|
| 771 | sizeof(pUnion->SwitchUser.szPassword))))
|
---|
| 772 | && (!(arc = SendXWPShellCommand(pCommand)))
|
---|
| 773 | )
|
---|
| 774 | {
|
---|
| 775 |
|
---|
| 776 | }
|
---|
| 777 |
|
---|
| 778 | FreeXWPShellCommand(pCommand);
|
---|
| 779 | }
|
---|
| 780 |
|
---|
| 781 | return arc;
|
---|
| 782 | }
|
---|