diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/atmdev.h | 10 | ||||
-rw-r--r-- | include/linux/key-ui.h | 91 |
2 files changed, 15 insertions, 86 deletions
diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h index f1fd849e5535..aca9b344bd35 100644 --- a/include/linux/atmdev.h +++ b/include/linux/atmdev.h | |||
@@ -76,6 +76,13 @@ struct atm_dev_stats { | |||
76 | /* set interface ESI */ | 76 | /* set interface ESI */ |
77 | #define ATM_SETESIF _IOW('a',ATMIOC_ITF+13,struct atmif_sioc) | 77 | #define ATM_SETESIF _IOW('a',ATMIOC_ITF+13,struct atmif_sioc) |
78 | /* force interface ESI */ | 78 | /* force interface ESI */ |
79 | #define ATM_ADDLECSADDR _IOW('a', ATMIOC_ITF+14, struct atmif_sioc) | ||
80 | /* register a LECS address */ | ||
81 | #define ATM_DELLECSADDR _IOW('a', ATMIOC_ITF+15, struct atmif_sioc) | ||
82 | /* unregister a LECS address */ | ||
83 | #define ATM_GETLECSADDR _IOW('a', ATMIOC_ITF+16, struct atmif_sioc) | ||
84 | /* retrieve LECS address(es) */ | ||
85 | |||
79 | #define ATM_GETSTAT _IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc) | 86 | #define ATM_GETSTAT _IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc) |
80 | /* get AAL layer statistics */ | 87 | /* get AAL layer statistics */ |
81 | #define ATM_GETSTATZ _IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc) | 88 | #define ATM_GETSTATZ _IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc) |
@@ -328,6 +335,8 @@ struct atm_dev_addr { | |||
328 | struct list_head entry; /* next address */ | 335 | struct list_head entry; /* next address */ |
329 | }; | 336 | }; |
330 | 337 | ||
338 | enum atm_addr_type_t { ATM_ADDR_LOCAL, ATM_ADDR_LECS }; | ||
339 | |||
331 | struct atm_dev { | 340 | struct atm_dev { |
332 | const struct atmdev_ops *ops; /* device operations; NULL if unused */ | 341 | const struct atmdev_ops *ops; /* device operations; NULL if unused */ |
333 | const struct atmphy_ops *phy; /* PHY operations, may be undefined */ | 342 | const struct atmphy_ops *phy; /* PHY operations, may be undefined */ |
@@ -338,6 +347,7 @@ struct atm_dev { | |||
338 | void *phy_data; /* private PHY date */ | 347 | void *phy_data; /* private PHY date */ |
339 | unsigned long flags; /* device flags (ATM_DF_*) */ | 348 | unsigned long flags; /* device flags (ATM_DF_*) */ |
340 | struct list_head local; /* local ATM addresses */ | 349 | struct list_head local; /* local ATM addresses */ |
350 | struct list_head lecs; /* LECS ATM addresses learned via ILMI */ | ||
341 | unsigned char esi[ESI_LEN]; /* ESI ("MAC" addr) */ | 351 | unsigned char esi[ESI_LEN]; /* ESI ("MAC" addr) */ |
342 | struct atm_cirange ci_range; /* VPI/VCI range */ | 352 | struct atm_cirange ci_range; /* VPI/VCI range */ |
343 | struct k_atm_dev_stats stats; /* statistics */ | 353 | struct k_atm_dev_stats stats; /* statistics */ |
diff --git a/include/linux/key-ui.h b/include/linux/key-ui.h index 918c34a8347e..7a2e332067c3 100644 --- a/include/linux/key-ui.h +++ b/include/linux/key-ui.h | |||
@@ -38,97 +38,16 @@ struct keyring_list { | |||
38 | struct key *keys[0]; | 38 | struct key *keys[0]; |
39 | }; | 39 | }; |
40 | 40 | ||
41 | |||
42 | /* | 41 | /* |
43 | * check to see whether permission is granted to use a key in the desired way | 42 | * check to see whether permission is granted to use a key in the desired way |
44 | */ | 43 | */ |
45 | static inline int key_permission(const key_ref_t key_ref, key_perm_t perm) | 44 | extern int key_task_permission(const key_ref_t key_ref, |
46 | { | 45 | struct task_struct *context, |
47 | struct key *key = key_ref_to_ptr(key_ref); | 46 | key_perm_t perm); |
48 | key_perm_t kperm; | ||
49 | |||
50 | if (is_key_possessed(key_ref)) | ||
51 | kperm = key->perm >> 24; | ||
52 | else if (key->uid == current->fsuid) | ||
53 | kperm = key->perm >> 16; | ||
54 | else if (key->gid != -1 && | ||
55 | key->perm & KEY_GRP_ALL && | ||
56 | in_group_p(key->gid) | ||
57 | ) | ||
58 | kperm = key->perm >> 8; | ||
59 | else | ||
60 | kperm = key->perm; | ||
61 | |||
62 | kperm = kperm & perm & KEY_ALL; | ||
63 | |||
64 | return kperm == perm; | ||
65 | } | ||
66 | |||
67 | /* | ||
68 | * check to see whether permission is granted to use a key in at least one of | ||
69 | * the desired ways | ||
70 | */ | ||
71 | static inline int key_any_permission(const key_ref_t key_ref, key_perm_t perm) | ||
72 | { | ||
73 | struct key *key = key_ref_to_ptr(key_ref); | ||
74 | key_perm_t kperm; | ||
75 | |||
76 | if (is_key_possessed(key_ref)) | ||
77 | kperm = key->perm >> 24; | ||
78 | else if (key->uid == current->fsuid) | ||
79 | kperm = key->perm >> 16; | ||
80 | else if (key->gid != -1 && | ||
81 | key->perm & KEY_GRP_ALL && | ||
82 | in_group_p(key->gid) | ||
83 | ) | ||
84 | kperm = key->perm >> 8; | ||
85 | else | ||
86 | kperm = key->perm; | ||
87 | 47 | ||
88 | kperm = kperm & perm & KEY_ALL; | 48 | static inline int key_permission(const key_ref_t key_ref, key_perm_t perm) |
89 | |||
90 | return kperm != 0; | ||
91 | } | ||
92 | |||
93 | static inline int key_task_groups_search(struct task_struct *tsk, gid_t gid) | ||
94 | { | ||
95 | int ret; | ||
96 | |||
97 | task_lock(tsk); | ||
98 | ret = groups_search(tsk->group_info, gid); | ||
99 | task_unlock(tsk); | ||
100 | return ret; | ||
101 | } | ||
102 | |||
103 | static inline int key_task_permission(const key_ref_t key_ref, | ||
104 | struct task_struct *context, | ||
105 | key_perm_t perm) | ||
106 | { | 49 | { |
107 | struct key *key = key_ref_to_ptr(key_ref); | 50 | return key_task_permission(key_ref, current, perm); |
108 | key_perm_t kperm; | ||
109 | |||
110 | if (is_key_possessed(key_ref)) { | ||
111 | kperm = key->perm >> 24; | ||
112 | } | ||
113 | else if (key->uid == context->fsuid) { | ||
114 | kperm = key->perm >> 16; | ||
115 | } | ||
116 | else if (key->gid != -1 && | ||
117 | key->perm & KEY_GRP_ALL && ( | ||
118 | key->gid == context->fsgid || | ||
119 | key_task_groups_search(context, key->gid) | ||
120 | ) | ||
121 | ) { | ||
122 | kperm = key->perm >> 8; | ||
123 | } | ||
124 | else { | ||
125 | kperm = key->perm; | ||
126 | } | ||
127 | |||
128 | kperm = kperm & perm & KEY_ALL; | ||
129 | |||
130 | return kperm == perm; | ||
131 | |||
132 | } | 51 | } |
133 | 52 | ||
134 | extern key_ref_t lookup_user_key(struct task_struct *context, | 53 | extern key_ref_t lookup_user_key(struct task_struct *context, |