1 kumpf 1.2 /*
 2           //%2006////////////////////////////////////////////////////////////////////////
 3           //
 4           // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
 5           // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
 6           // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
 7           // IBM Corp.; EMC Corporation, The Open Group.
 8           // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
 9           // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
10           // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
11           // EMC Corporation; VERITAS Software Corporation; The Open Group.
12           // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
13           // EMC Corporation; Symantec Corporation; The Open Group.
14           //
15           // Permission is hereby granted, free of charge, to any person obtaining a copy
16           // of this software and associated documentation files (the "Software"), to
17           // deal in the Software without restriction, including without limitation the
18           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
19           // sell copies of the Software, and to permit persons to whom the Software is
20           // furnished to do so, subject to the following conditions:
21           // 
22 kumpf 1.2 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
23           // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
24           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
25           // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
26           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
27           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30           //
31           //%/////////////////////////////////////////////////////////////////////////////
32           */
33           #include <sys/types.h>
34           #include <pwd.h>
35           #include "User.h"
36           #include "Log.h"
37           #include "Strlcpy.h"
38           
39           #define PWD_BUFF_SIZE 4096
40           
41           /*
42           **==============================================================================
43 kumpf 1.2 **
44           ** GetUserInfo()
45           **
46           **     Lookup the given user's uid and gid.
47           **
48           **==============================================================================
49           */
50           
51           int GetUserInfo(const char* user, int* uid, int* gid)
52           {
53               struct passwd pwd;
54               char buffer[PWD_BUFF_SIZE];
55               struct passwd* ptr = 0;
56           
57               if (getpwnam_r(user, &pwd, buffer, PWD_BUFF_SIZE, &ptr) != 0 || !ptr)
58               {
59                   Log(LL_TRACE, "getpwnam_r(%s, ...) failed", user);
60                   return -1;
61               }
62           
63               *uid = ptr->pw_uid;
64 kumpf 1.2     *gid = ptr->pw_gid;
65           
66               return 0;
67           }
68           
69           /*
70           **==============================================================================
71           **
72           ** GetUserName()
73           **
74           **     Lookup the user name for the specified user ID.
75           **
76           **==============================================================================
77           */
78           
79           int GetUserName(int uid, char username[EXECUTOR_BUFFER_SIZE])
80           {
81               struct passwd pwd;
82               char buffer[PWD_BUFF_SIZE];
83               struct passwd* ptr = 0;
84           
85 kumpf 1.2     if (getpwuid_r(uid, &pwd, buffer, PWD_BUFF_SIZE, &ptr) != 0 || !ptr)
86               {
87                   Log(LL_TRACE, "getpwuid_r(%d, ...) failed", uid);
88                   username[0] = '\0';
89                   return -1;
90               }
91           
92               Strlcpy(username, ptr->pw_name, EXECUTOR_BUFFER_SIZE);
93               return 0;
94           }