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Diff for /src/sys/kern/kern_auth.c between version 1.73.14.3 and 1.74

version 1.73.14.3, 2017/08/28 17:53:07 version 1.74, 2015/08/08 07:53:51
Line 36  __KERNEL_RCSID(0, "$NetBSD$");
Line 36  __KERNEL_RCSID(0, "$NetBSD$");
 #include <sys/proc.h>  #include <sys/proc.h>
 #include <sys/ucred.h>  #include <sys/ucred.h>
 #include <sys/pool.h>  #include <sys/pool.h>
 #define __KAUTH_PRIVATE  
 #include <sys/kauth.h>  #include <sys/kauth.h>
 #include <sys/kmem.h>  #include <sys/kmem.h>
 #include <sys/rwlock.h>  #include <sys/rwlock.h>
Line 55  struct kauth_key {
Line 54  struct kauth_key {
         specificdata_key_t ks_key;      /* key */          specificdata_key_t ks_key;      /* key */
 };  };
   
   /*
    * Credentials.
    *
    * A subset of this structure is used in kvm(3) (src/lib/libkvm/kvm_proc.c)
    * and should be synchronized with this structure when the update is
    * relevant.
    */
   struct kauth_cred {
           /*
            * Ensure that the first part of the credential resides in its own
            * cache line.  Due to sharing there aren't many kauth_creds in a
            * typical system, but the reference counts change very often.
            * Keeping it separate from the rest of the data prevents false
            * sharing between CPUs.
            */
           u_int cr_refcnt;                /* reference count */
   #if COHERENCY_UNIT > 4
           uint8_t cr_pad[COHERENCY_UNIT - 4];
   #endif
           uid_t cr_uid;                   /* user id */
           uid_t cr_euid;                  /* effective user id */
           uid_t cr_svuid;                 /* saved effective user id */
           gid_t cr_gid;                   /* group id */
           gid_t cr_egid;                  /* effective group id */
           gid_t cr_svgid;                 /* saved effective group id */
           u_int cr_ngroups;               /* number of groups */
           gid_t cr_groups[NGROUPS];       /* group memberships */
           specificdata_reference cr_sd;   /* specific data */
   };
   
 /*  /*
  * Listener.   * Listener.
Line 754  kauth_register_scope(const char *id, kau
Line 782  kauth_register_scope(const char *id, kau
   
         /* Allocate space for a new scope and listener. */          /* Allocate space for a new scope and listener. */
         scope = kmem_alloc(sizeof(*scope), KM_SLEEP);          scope = kmem_alloc(sizeof(*scope), KM_SLEEP);
         if (callback != NULL)          if (scope == NULL)
                   return NULL;
           if (callback != NULL) {
                 listener = kmem_alloc(sizeof(*listener), KM_SLEEP);                  listener = kmem_alloc(sizeof(*listener), KM_SLEEP);
                   if (listener == NULL) {
                           kmem_free(scope, sizeof(*scope));
                           return (NULL);
                   }
           }
   
         /*          /*
          * Acquire scope list lock.           * Acquire scope list lock.
Line 880  kauth_listen_scope(const char *id, kauth
Line 915  kauth_listen_scope(const char *id, kauth
         kauth_listener_t listener;          kauth_listener_t listener;
   
         listener = kmem_alloc(sizeof(*listener), KM_SLEEP);          listener = kmem_alloc(sizeof(*listener), KM_SLEEP);
           if (listener == NULL)
                   return (NULL);
   
         rw_enter(&kauth_lock, RW_WRITER);          rw_enter(&kauth_lock, RW_WRITER);
   
         /*          /*
Legend:
Removed from v.1.73.14.3  
changed lines
  Added in v.1.74
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