linux/kernel/capability.c

3  * linux/kernel/capability.c
14 #include <linux/capability.h>
48  * Version 2 capabilities worked fine, but the linux/capability.h file
72  * Version check. Return the number of u32s in each capability flag
134  * @header: pointer to struct that contains capability version and
166 	 * capability values up.  in SYSCALL_DEFINE2()
176 	 * implementations implicitly drop upper capability  in SYSCALL_DEFINE2()
204  * @header: pointer to struct that contains capability version and
270  * has_ns_capability - Does a task have a capability in a specific user ns
273  * @cap: The capability to be tested for
275  * Return true if the specified task has the given superior capability
293  * has_capability - Does a task have a capability in init_user_ns
295  * @cap: The capability to be tested for
297  * Return true if the specified task has the given superior capability
309  * has_ns_capability_noaudit - Does a task have a capability (unaudited)
313  * @cap: The capability to be tested for
315  * Return true if the specified task has the given superior capability
334  * has_capability_noaudit - Does a task have a capability (unaudited) in the
337  * @cap: The capability to be tested for
339  * Return true if the specified task has the given superior capability
371  * ns_capable - Determine if the current task has a superior capability in effect
372  * @ns:  The usernamespace we want the capability in
373  * @cap: The capability to be tested for
375  * Return true if the current task has the given superior capability currently
378  * This sets PF_SUPERPRIV on the task if the capability is available on the
388  * ns_capable_noaudit - Determine if the current task has a superior capability
390  * @ns:  The usernamespace we want the capability in
391  * @cap: The capability to be tested for
393  * Return true if the current task has the given superior capability currently
396  * This sets PF_SUPERPRIV on the task if the capability is available on the
406  * ns_capable_setid - Determine if the current task has a superior capability
409  * @ns:  The usernamespace we want the capability in
410  * @cap: The capability to be tested for
412  * Return true if the current task has the given superior capability currently
415  * This sets PF_SUPERPRIV on the task if the capability is available on the
425  * capable - Determine if the current task has a superior capability in effect
426  * @cap: The capability to be tested for
428  * Return true if the current task has the given superior capability currently
431  * This sets PF_SUPERPRIV on the task if the capability is available on the
442  * file_ns_capable - Determine if the file's opener had a capability in effect
444  * @ns:  The usernamespace we want the capability in
445  * @cap: The capability to be tested for
447  * Return true if task that opened the file had a capability in effect
487  * @cap: The capability in question
489  * Return true if the current task has the given capability targeted at