linux-6.15/kernel/capability.c

3  * linux/kernel/capability.c
14 #include <linux/capability.h>
46  * Version 2 capabilities worked fine, but the linux/capability.h file
68  * Version check. Return the number of u32s in each capability flag
130  * @header: pointer to struct that contains capability version and
162 	 * capability values up.  in SYSCALL_DEFINE2()
172 	 * implementations implicitly drop upper capability  in SYSCALL_DEFINE2()
200  * @header: pointer to struct that contains capability version and
266  * has_ns_capability - Does a task have a capability in a specific user ns
269  * @cap: The capability to be tested for
271  * Return true if the specified task has the given superior capability
289  * has_ns_capability_noaudit - Does a task have a capability (unaudited)
293  * @cap: The capability to be tested for
295  * Return true if the specified task has the given superior capability
314  * has_capability_noaudit - Does a task have a capability (unaudited) in the
317  * @cap: The capability to be tested for
319  * Return true if the specified task has the given superior capability
351  * ns_capable - Determine if the current task has a superior capability in effect
352  * @ns:  The usernamespace we want the capability in
353  * @cap: The capability to be tested for
355  * Return true if the current task has the given superior capability currently
358  * This sets PF_SUPERPRIV on the task if the capability is available on the
368  * ns_capable_noaudit - Determine if the current task has a superior capability
370  * @ns:  The usernamespace we want the capability in
371  * @cap: The capability to be tested for
373  * Return true if the current task has the given superior capability currently
376  * This sets PF_SUPERPRIV on the task if the capability is available on the
386  * ns_capable_setid - Determine if the current task has a superior capability
389  * @ns:  The usernamespace we want the capability in
390  * @cap: The capability to be tested for
392  * Return true if the current task has the given superior capability currently
395  * This sets PF_SUPERPRIV on the task if the capability is available on the
405  * capable - Determine if the current task has a superior capability in effect
406  * @cap: The capability to be tested for
408  * Return true if the current task has the given superior capability currently
411  * This sets PF_SUPERPRIV on the task if the capability is available on the
422  * file_ns_capable - Determine if the file's opener had a capability in effect
424  * @ns:  The usernamespace we want the capability in
425  * @cap: The capability to be tested for
427  * Return true if task that opened the file had a capability in effect
467  * @cap: The capability in question
469  * Return true if the current task has the given capability targeted at