Re: [PATCH 1/2] libsepol: mark immutable mls and context parameter const

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



James Carter <jwcart2@xxxxxxxxx> writes:

> On Fri, Apr 1, 2022 at 9:49 AM Christian Göttsche
> <cgzones@xxxxxxxxxxxxxx> wrote:
>>
>> Make it more obvious which parameters are read-only and not being
>> modified and allow callers to pass const pointers.
>>
>> Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
>
> For these two patches:
> Acked-by: James Carter <jwcart2@xxxxxxxxx>

Both merged, thanks!


>> ---
>>  libsepol/include/sepol/policydb/context.h   | 14 +++++++-------
>>  libsepol/include/sepol/policydb/mls_types.h | 12 ++++++------
>>  libsepol/src/mls.c                          | 17 +++++++++--------
>>  libsepol/src/mls.h                          |  4 ++--
>>  4 files changed, 24 insertions(+), 23 deletions(-)
>>
>> diff --git a/libsepol/include/sepol/policydb/context.h b/libsepol/include/sepol/policydb/context.h
>> index 37cdc591..025c894f 100644
>> --- a/libsepol/include/sepol/policydb/context.h
>> +++ b/libsepol/include/sepol/policydb/context.h
>> @@ -43,7 +43,7 @@ static inline void mls_context_init(context_struct_t * c)
>>  }
>>
>>  static inline int mls_context_cpy(context_struct_t * dst,
>> -                                 context_struct_t * src)
>> +                                 const context_struct_t * src)
>>  {
>>
>>         if (mls_range_cpy(&dst->range, &src->range) < 0)
>> @@ -55,7 +55,7 @@ static inline int mls_context_cpy(context_struct_t * dst,
>>  /*
>>   * Sets both levels in the MLS range of 'dst' to the low level of 'src'.
>>   */
>> -static inline int mls_context_cpy_low(context_struct_t *dst, context_struct_t *src)
>> +static inline int mls_context_cpy_low(context_struct_t *dst, const context_struct_t *src)
>>  {
>>         int rc;
>>
>> @@ -75,7 +75,7 @@ out:
>>  /*
>>   * Sets both levels in the MLS range of 'dst' to the high level of 'src'.
>>   */
>> -static inline int mls_context_cpy_high(context_struct_t *dst, context_struct_t *src)
>> +static inline int mls_context_cpy_high(context_struct_t *dst, const context_struct_t *src)
>>  {
>>         int rc;
>>
>> @@ -92,12 +92,12 @@ out:
>>         return rc;
>>  }
>>
>> -static inline int mls_context_glblub(context_struct_t *dst, context_struct_t *c1, context_struct_t *c2)
>> +static inline int mls_context_glblub(context_struct_t *dst, const context_struct_t *c1, const context_struct_t *c2)
>>  {
>>         return mls_range_glblub(&dst->range, &c1->range, &c2->range);
>>  }
>>
>> -static inline int mls_context_cmp(context_struct_t * c1, context_struct_t * c2)
>> +static inline int mls_context_cmp(const context_struct_t * c1, const context_struct_t * c2)
>>  {
>>         return (mls_level_eq(&c1->range.level[0], &c2->range.level[0]) &&
>>                 mls_level_eq(&c1->range.level[1], &c2->range.level[1]));
>> @@ -118,7 +118,7 @@ static inline void context_init(context_struct_t * c)
>>         memset(c, 0, sizeof(*c));
>>  }
>>
>> -static inline int context_cpy(context_struct_t * dst, context_struct_t * src)
>> +static inline int context_cpy(context_struct_t * dst, const context_struct_t * src)
>>  {
>>         dst->user = src->user;
>>         dst->role = src->role;
>> @@ -135,7 +135,7 @@ static inline void context_destroy(context_struct_t * c)
>>         mls_context_destroy(c);
>>  }
>>
>> -static inline int context_cmp(context_struct_t * c1, context_struct_t * c2)
>> +static inline int context_cmp(const context_struct_t * c1, const context_struct_t * c2)
>>  {
>>         return ((c1->user == c2->user) &&
>>                 (c1->role == c2->role) &&
>> diff --git a/libsepol/include/sepol/policydb/mls_types.h b/libsepol/include/sepol/policydb/mls_types.h
>> index 0ba6d9de..12990c69 100644
>> --- a/libsepol/include/sepol/policydb/mls_types.h
>> +++ b/libsepol/include/sepol/policydb/mls_types.h
>> @@ -50,7 +50,7 @@ typedef struct mls_range {
>>         mls_level_t level[2];   /* low == level[0], high == level[1] */
>>  } mls_range_t;
>>
>> -static inline int mls_range_glblub(struct mls_range *dst, struct mls_range *r1, struct mls_range *r2)
>> +static inline int mls_range_glblub(struct mls_range *dst, const struct mls_range *r1, const struct mls_range *r2)
>>  {
>>         if (r1->level[1].sens < r2->level[0].sens || r2->level[1].sens < r1->level[0].sens) {
>>                 /* These ranges have no common sensitivities */
>> @@ -74,7 +74,7 @@ static inline int mls_range_glblub(struct mls_range *dst, struct mls_range *r1,
>>  }
>>
>>
>> -static inline int mls_level_cpy(struct mls_level *dst, struct mls_level *src)
>> +static inline int mls_level_cpy(struct mls_level *dst, const struct mls_level *src)
>>  {
>>
>>         dst->sens = src->sens;
>> @@ -119,7 +119,7 @@ static inline int mls_level_dom(const struct mls_level *l1, const struct mls_lev
>>  (mls_level_dom(&(r2).level[0], &(r1).level[0]) && \
>>   mls_level_dom(&(r1).level[1], &(r2).level[1]))
>>
>> -static inline int mls_range_cpy(mls_range_t * dst, mls_range_t * src)
>> +static inline int mls_range_cpy(mls_range_t * dst, const mls_range_t * src)
>>  {
>>
>>         if (mls_level_cpy(&dst->level[0], &src->level[0]) < 0)
>> @@ -149,7 +149,7 @@ static inline void mls_range_destroy(struct mls_range *r)
>>         mls_level_destroy(&r->level[1]);
>>  }
>>
>> -static inline int mls_range_eq(struct mls_range *r1, struct mls_range *r2)
>> +static inline int mls_range_eq(const struct mls_range *r1, const struct mls_range *r2)
>>  {
>>         return (mls_level_eq(&r1->level[0], &r2->level[0]) &&
>>                 mls_level_eq(&r1->level[1], &r2->level[1]));
>> @@ -174,10 +174,10 @@ extern void mls_semantic_cat_init(mls_semantic_cat_t *c);
>>  extern void mls_semantic_cat_destroy(mls_semantic_cat_t *c);
>>  extern void mls_semantic_level_init(mls_semantic_level_t *l);
>>  extern void mls_semantic_level_destroy(mls_semantic_level_t *l);
>> -extern int mls_semantic_level_cpy(mls_semantic_level_t *dst, mls_semantic_level_t *src);
>> +extern int mls_semantic_level_cpy(mls_semantic_level_t *dst, const mls_semantic_level_t *src);
>>  extern void mls_semantic_range_init(mls_semantic_range_t *r);
>>  extern void mls_semantic_range_destroy(mls_semantic_range_t *r);
>> -extern int mls_semantic_range_cpy(mls_semantic_range_t *dst, mls_semantic_range_t *src);
>> +extern int mls_semantic_range_cpy(mls_semantic_range_t *dst, const mls_semantic_range_t *src);
>>
>>  #ifdef __cplusplus
>>  }
>> diff --git a/libsepol/src/mls.c b/libsepol/src/mls.c
>> index 366a1114..4ffe9814 100644
>> --- a/libsepol/src/mls.c
>> +++ b/libsepol/src/mls.c
>> @@ -451,7 +451,7 @@ int mls_context_to_sid(const policydb_t * policydb,
>>   * Copies the MLS range from `src' into `dst'.
>>   */
>>  static inline int mls_copy_context(context_struct_t * dst,
>> -                                  context_struct_t * src)
>> +                                  const context_struct_t * src)
>>  {
>>         int l, rc = 0;
>>
>> @@ -471,7 +471,7 @@ static inline int mls_copy_context(context_struct_t * dst,
>>   * Copies the effective MLS range from `src' into `dst'.
>>   */
>>  static inline int mls_scopy_context(context_struct_t * dst,
>> -                                   context_struct_t * src)
>> +                                   const context_struct_t * src)
>>  {
>>         int l, rc = 0;
>>
>> @@ -490,7 +490,7 @@ static inline int mls_scopy_context(context_struct_t * dst,
>>  /*
>>   * Copies the MLS range `range' into `context'.
>>   */
>> -static inline int mls_range_set(context_struct_t * context, mls_range_t * range)
>> +static inline int mls_range_set(context_struct_t * context, const mls_range_t * range)
>>  {
>>         int l, rc = 0;
>>
>> @@ -601,8 +601,8 @@ int mls_convert_context(policydb_t * oldp,
>>  }
>>
>>  int mls_compute_sid(policydb_t * policydb,
>> -                   context_struct_t * scontext,
>> -                   context_struct_t * tcontext,
>> +                   const context_struct_t * scontext,
>> +                   const context_struct_t * tcontext,
>>                     sepol_security_class_t tclass,
>>                     uint32_t specified, context_struct_t * newcontext)
>>  {
>> @@ -755,9 +755,10 @@ void mls_semantic_level_destroy(mls_semantic_level_t * l)
>>  }
>>
>>  int mls_semantic_level_cpy(mls_semantic_level_t * dst,
>> -                          mls_semantic_level_t * src)
>> +                          const mls_semantic_level_t * src)
>>  {
>> -       mls_semantic_cat_t *cat, *newcat, *lnewcat = NULL;
>> +       const mls_semantic_cat_t *cat;
>> +       mls_semantic_cat_t *newcat, *lnewcat = NULL;
>>
>>         mls_semantic_level_init(dst);
>>         dst->sens = src->sens;
>> @@ -800,7 +801,7 @@ void mls_semantic_range_destroy(mls_semantic_range_t * r)
>>  }
>>
>>  int mls_semantic_range_cpy(mls_semantic_range_t * dst,
>> -                          mls_semantic_range_t * src)
>> +                          const mls_semantic_range_t * src)
>>  {
>>         if (mls_semantic_level_cpy(&dst->level[0], &src->level[0]) < 0)
>>                 return -1;
>> diff --git a/libsepol/src/mls.h b/libsepol/src/mls.h
>> index 5ca3cd51..eb4a1cb8 100644
>> --- a/libsepol/src/mls.h
>> +++ b/libsepol/src/mls.h
>> @@ -56,8 +56,8 @@ extern int mls_convert_context(policydb_t * oldp,
>>                                policydb_t * newp, context_struct_t * context);
>>
>>  extern int mls_compute_sid(policydb_t * policydb,
>> -                          context_struct_t * scontext,
>> -                          context_struct_t * tcontext,
>> +                          const context_struct_t * scontext,
>> +                          const context_struct_t * tcontext,
>>                            sepol_security_class_t tclass,
>>                            uint32_t specified, context_struct_t * newcontext);
>>
>> --
>> 2.35.1
>>





[Index of Archives]     [Selinux Refpolicy]     [Linux SGX]     [Fedora Users]     [Fedora Desktop]     [Yosemite Photos]     [Yosemite Camping]     [Yosemite Campsites]     [KDE Users]     [Gnome Users]

  Powered by Linux