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| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2010-06-03 20:38:03 +0900 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-08-02 15:33:42 +1000 |
| commit | 1084307ca097745ed6e40a192329b133a49271ac (patch) | |
| tree | f3b2e81705afb4ca3006ebb931aa0aad426ace02 /security/tomoyo/common.h | |
| parent | 3f629636320dfa65804779a3fc333f3147f3b064 (diff) | |
| download | blackbird-obmc-linux-1084307ca097745ed6e40a192329b133a49271ac.tar.gz blackbird-obmc-linux-1084307ca097745ed6e40a192329b133a49271ac.zip | |
TOMOYO: Add pathname aggregation support.
This patch allows users to aggregate programs which provide similar
functionality (e.g. /usr/bin/vi and /usr/bin/emacs ).
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/tomoyo/common.h')
| -rw-r--r-- | security/tomoyo/common.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h index d1b8d791bfff..54db39aa339b 100644 --- a/security/tomoyo/common.h +++ b/security/tomoyo/common.h @@ -46,6 +46,7 @@ enum tomoyo_mode_index { }; /* Keywords for ACLs. */ +#define TOMOYO_KEYWORD_AGGREGATOR "aggregator " #define TOMOYO_KEYWORD_ALIAS "alias " #define TOMOYO_KEYWORD_ALLOW_MOUNT "allow_mount " #define TOMOYO_KEYWORD_ALLOW_READ "allow_read " @@ -593,6 +594,24 @@ struct tomoyo_domain_keeper_entry { }; /* + * tomoyo_aggregator_entry is a structure which is used for holding + * "aggregator" entries. + * It has following fields. + * + * (1) "list" which is linked to tomoyo_aggregator_list . + * (2) "original_name" which is originally requested name. + * (3) "aggregated_name" which is name to rewrite. + * (4) "is_deleted" is a bool which is true if marked as deleted, false + * otherwise. + */ +struct tomoyo_aggregator_entry { + struct list_head list; + const struct tomoyo_path_info *original_name; + const struct tomoyo_path_info *aggregated_name; + bool is_deleted; +}; + +/* * tomoyo_alias_entry is a structure which is used for holding "alias" entries. * It has following fields. * @@ -693,6 +712,8 @@ bool tomoyo_print_number_union(struct tomoyo_io_buffer *head, const struct tomoyo_number_union *ptr); bool tomoyo_parse_number_union(char *data, struct tomoyo_number_union *num); +/* Read "aggregator" entry in exception policy. */ +bool tomoyo_read_aggregator_policy(struct tomoyo_io_buffer *head); /* Read "alias" entry in exception policy. */ bool tomoyo_read_alias_policy(struct tomoyo_io_buffer *head); /* @@ -730,6 +751,8 @@ int tomoyo_init_request_info(struct tomoyo_request_info *r, /* Check permission for mount operation. */ int tomoyo_mount_permission(char *dev_name, struct path *path, char *type, unsigned long flags, void *data_page); +/* Create "aggregator" entry in exception policy. */ +int tomoyo_write_aggregator_policy(char *data, const bool is_delete); /* Create "alias" entry in exception policy. */ int tomoyo_write_alias_policy(char *data, const bool is_delete); /* @@ -857,6 +880,7 @@ extern struct list_head tomoyo_path_group_list; extern struct list_head tomoyo_number_group_list; extern struct list_head tomoyo_domain_initializer_list; extern struct list_head tomoyo_domain_keeper_list; +extern struct list_head tomoyo_aggregator_list; extern struct list_head tomoyo_alias_list; extern struct list_head tomoyo_globally_readable_list; extern struct list_head tomoyo_pattern_list; @@ -1036,6 +1060,14 @@ static inline bool tomoyo_is_same_domain_keeper_entry && p1->program == p2->program; } +static inline bool tomoyo_is_same_aggregator_entry +(const struct tomoyo_aggregator_entry *p1, + const struct tomoyo_aggregator_entry *p2) +{ + return p1->original_name == p2->original_name && + p1->aggregated_name == p2->aggregated_name; +} + static inline bool tomoyo_is_same_alias_entry (const struct tomoyo_alias_entry *p1, const struct tomoyo_alias_entry *p2) { |
