diff options
Diffstat (limited to 'security/smack/smack_lsm.c')
-rw-r--r-- | security/smack/smack_lsm.c | 52 |
1 files changed, 30 insertions, 22 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index c3f8de53aefd..239773cdcdcf 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -4802,40 +4802,47 @@ static int smack_ismaclabel(const char *name) } /** + * smack_to_secctx - fill a lsm_context + * @skp: Smack label + * @cp: destination + * + * Fill the passed @cp and return the length of the string + */ +static int smack_to_secctx(struct smack_known *skp, struct lsm_context *cp) +{ + int len = strlen(skp->smk_known); + + if (cp) { + cp->context = skp->smk_known; + cp->len = len; + cp->id = LSM_ID_SMACK; + } + return len; +} + +/** * smack_secid_to_secctx - return the smack label for a secid * @secid: incoming integer - * @secdata: destination - * @seclen: how long it is + * @cp: destination * * Exists for networking code. */ -static int smack_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) +static int smack_secid_to_secctx(u32 secid, struct lsm_context *cp) { - struct smack_known *skp = smack_from_secid(secid); - - if (secdata) - *secdata = skp->smk_known; - *seclen = strlen(skp->smk_known); - return 0; + return smack_to_secctx(smack_from_secid(secid), cp); } /** * smack_lsmprop_to_secctx - return the smack label * @prop: includes incoming Smack data - * @secdata: destination - * @seclen: how long it is + * @cp: destination * * Exists for audit code. */ -static int smack_lsmprop_to_secctx(struct lsm_prop *prop, char **secdata, - u32 *seclen) +static int smack_lsmprop_to_secctx(struct lsm_prop *prop, + struct lsm_context *cp) { - struct smack_known *skp = prop->smack.skp; - - if (secdata) - *secdata = skp->smk_known; - *seclen = strlen(skp->smk_known); - return 0; + return smack_to_secctx(prop->smack.skp, cp); } /** @@ -4875,12 +4882,13 @@ static int smack_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) ctx, ctxlen, 0, NULL); } -static int smack_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) +static int smack_inode_getsecctx(struct inode *inode, struct lsm_context *cp) { struct smack_known *skp = smk_of_inode(inode); - *ctx = skp->smk_known; - *ctxlen = strlen(skp->smk_known); + cp->context = skp->smk_known; + cp->len = strlen(skp->smk_known); + cp->id = LSM_ID_SMACK; return 0; } |