apparmor/include/cred.h

18 #include "label.h"
31 				  struct aa_label *label)
36 	*blob = label;
40  * aa_cred_raw_label - obtain cred's label
41  * @cred: cred to obtain label from  (NOT NULL)
43  * Returns: confining label
49 	struct aa_label *label = cred_label(cred);
51 	AA_BUG(!label);
52 	return label;
56  * aa_get_newest_cred_label - obtain the newest label on a cred
57  * @cred: cred to obtain label from (NOT NULL)
59  * Returns: newest version of confining label
67  * aa_current_raw_label - find the current tasks confining label
69  * Returns: up to date confining label or the ns unconfined label (NOT NULL)
72  * of the label so it is safe to call when inside of locks.
80  * aa_get_current_label - get the newest version of the current tasks label
82  * Returns: newest version of confining label (NOT NULL)
101  * @label: label reference to put
107 static inline void end_current_label_crit_section(struct aa_label *label)
109 	if (label != aa_current_raw_label())
110 		aa_put_label(label);
114  * __begin_current_label_crit_section - current's confining label
116  * Returns: up to date confining label or the ns unconfined label (NOT NULL)
127 	struct aa_label *label = aa_current_raw_label();
129 	if (label_is_stale(label))
130 		label = aa_get_newest_label(label);
132 	return label;
136  * begin_current_label_crit_section - current's confining label and update it
138  * Returns: up to date confining label or the ns unconfined label (NOT NULL)
149 	struct aa_label *label = aa_current_raw_label();
153 	if (label_is_stale(label)) {
154 		label = aa_get_newest_label(label);
155 		if (aa_replace_current_label(label) == 0)
157 			aa_put_label(label);
160 	return label;
165 	struct aa_label *label;
168 	label  = __begin_current_label_crit_section();
169 	ns = aa_get_ns(labels_ns(label));
170 	__end_current_label_crit_section(label);