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805e021f CE |
1 | /* |
2 | * Copyright 2000, International Business Machines Corporation and others. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * This software has been released under the terms of the IBM Public | |
6 | * License. For details, see the LICENSE file in the top-level source | |
7 | * directory or online at http://www.openafs.org/dl/license10.html | |
8 | */ | |
9 | ||
10 | #include <afsconfig.h> | |
11 | #include "afs/param.h" | |
12 | ||
13 | ||
14 | #include "afs/sysincludes.h" /* Standard vendor system headers */ | |
15 | #include "afsincludes.h" /* Afs-based standard headers */ | |
16 | #include "afs/afs_stats.h" /* afs statistics */ | |
17 | ||
18 | #if AFS_GCPAGS | |
19 | ||
20 | /* afs_osi_TraverseProcTable() - Walk through the systems process | |
21 | * table, calling afs_GCPAGs_perproc_func() for each process. | |
22 | */ | |
23 | ||
24 | ||
25 | #if (defined(AFS_DARWIN_ENV) && !defined(AFS_DARWIN80_ENV)) | |
26 | void | |
27 | afs_osi_TraverseProcTable(void) | |
28 | { | |
29 | afs_proc_t *p; | |
30 | LIST_FOREACH(p, &allproc, p_list) { | |
31 | if (p->p_stat == SIDL) | |
32 | continue; | |
33 | if (p->p_stat == SZOMB) | |
34 | continue; | |
35 | if (p->p_flag & P_SYSTEM) | |
36 | continue; | |
37 | afs_GCPAGs_perproc_func(p); | |
38 | } | |
39 | } | |
40 | #endif | |
41 | ||
42 | /* return a pointer (sometimes a static copy ) to the cred for a | |
43 | * given afs_proc_t. | |
44 | * subsequent calls may overwrite the previously returned value. | |
45 | */ | |
46 | ||
47 | #if defined(AFS_DARWIN80_ENV) | |
48 | ||
49 | const afs_ucred_t * | |
50 | afs_osi_proc2cred(afs_proc_t * pr) | |
51 | { | |
52 | afs_ucred_t *rv = NULL; | |
53 | static afs_ucred_t cr; | |
54 | struct ucred *pcred; | |
55 | ||
56 | if (pr == NULL) { | |
57 | return NULL; | |
58 | } | |
59 | pcred = proc_ucred(pr); | |
60 | cr.cr_ref = 1; | |
61 | afs_set_cr_uid(&cr, afs_cr_uid(pcred)); | |
62 | cr.cr_ngroups = pcred->cr_ngroups; | |
63 | memcpy(cr.cr_groups, pcred->cr_groups, | |
64 | NGROUPS * sizeof(gid_t)); | |
65 | return &cr; | |
66 | } | |
67 | #else | |
68 | ||
69 | const afs_ucred_t * | |
70 | afs_osi_proc2cred(afs_proc_t * pr) | |
71 | { | |
72 | afs_ucred_t *rv = NULL; | |
73 | static afs_ucred_t cr; | |
74 | ||
75 | if (pr == NULL) { | |
76 | return NULL; | |
77 | } | |
78 | ||
79 | if ((pr->p_stat == SSLEEP) || (pr->p_stat == SRUN) | |
80 | || (pr->p_stat == SSTOP)) { | |
81 | pcred_readlock(pr); | |
82 | cr.cr_ref = 1; | |
83 | afs_set_cr_uid(&cr, afs_cr_uid(pr->p_cred->pc_ucred)); | |
84 | cr.cr_ngroups = pr->p_cred->pc_ucred->cr_ngroups; | |
85 | memcpy(cr.cr_groups, pr->p_cred->pc_ucred->cr_groups, | |
86 | NGROUPS * sizeof(gid_t)); | |
87 | pcred_unlock(pr); | |
88 | rv = &cr; | |
89 | } | |
90 | ||
91 | return rv; | |
92 | } | |
93 | ||
94 | #endif | |
95 | ||
96 | #endif /* AFS_GCPAGS */ |