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Remove SWIG aa_change_hat_vargs, aa_get_procattr_raw, aa_get_peercon_raw

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It doesn't make sense to expose the *_raw functions or the varg version
of aa_change_hatv to higher-level languages. While technically a breaking
change, the generated bindings for these functions never actually worked
anyways:

 - aa_change_hat_vargs uses C varargs, which SWIG passes in NULL for by
   default. It does not attempt to process the passed-in arguments at all
   (and in fact caused an unused-argument compiler warning when compiling
   the generated bindings).
 - aa_getprocattr_raw and aa_getpeercon_raw both place output into a char
   **mode pointer. SWIG by default generates these as opaque pointer
   object arguments, rendering them unusable for getting output. Future
   patches would be needed to fix char** arguments for the other functions
   that use them. Moreover, these functions expect their caller to handle
   memory allocation, which is also not possible from a higher-level
   language point of view.

Signed-off-by: Ryan Lee <ryan.lee@canonical.com>
This commit is contained in:
Ryan Lee 2024-09-20 16:08:32 -07:00
parent bcab725670
commit 2bd1884654
1 changed files with 0 additions and 4 deletions
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4
libraries/libapparmor/swig/SWIG/libapparmor.i
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@ -95,15 +95,11 @@ extern int aa_change_hat(const char *subprofile, unsigned long magic_token);
extern int aa_change_profile(const char *profile);
extern int aa_change_onexec(const char *profile);
extern int aa_change_hatv(const char *subprofiles[], unsigned long token);
extern int aa_change_hat_vargs(unsigned long token, int count, ...);
extern int aa_stack_profile(const char *profile);
extern int aa_stack_onexec(const char *profile);
extern int aa_getprocattr_raw(pid_t tid, const char *attr, char *buf, int len,
char **mode);
extern int aa_getprocattr(pid_t tid, const char *attr, char **label, char **mode);
extern int aa_gettaskcon(pid_t target, char **label, char **mode);
extern int aa_getcon(char **label, char **mode);
extern int aa_getpeercon_raw(int fd, char *buf, socklen_t *len, char **mode);
extern int aa_getpeercon(int fd, char **label, char **mode);
extern int aa_query_label(uint32_t mask, char *query, size_t size, int *allowed,
int *audited);