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download PDF document: bsde_get_rule.3.pdf

BSDE_GET_RULE(3) FreeBSD Library Functions Manual BSDE_GET_RULE(3)
NAME bsde_add_rule, bsde_get_rule, bsde_set_rule, bsde_delete_rule - file system firewall rules list management
LIBRARY File System Firewall Interface Library (libugidfw, -lugidfw)
SYNOPSIS #include <ugidfw.h>
int bsde_add_rule(int *rulenum, struct mac_bsdextended_rule *rule, size_t buflen, char *errstr);
int bsde_get_rule(int rulenum, struct mac_bsdextended_rule *rule, size_t errlen, char *errstr);
int bsde_set_rule(int rulenum, struct mac_bsdextended_rule *rule, size_t errlen, char *errstr);
int bsde_delete_rule(int rulenum, size_t errlen, char *errstr);
DESCRIPTION The bsde_add_rule() function fills the next available rule (in struct mac_bsdextended_rule form, either from bsde_get_rule() or bsde_parse_rule(3)). If an error occurs, *errstr is filled with the error string (up to errlen characters, including the terminating NUL). If successful and rulenum is non-NULL, the rule number used will be returned in *rulenum.
The bsde_get_rule() function fills in *rule with the rule numbered rulenum. If an error occurs, *errstr is filled in with the error string (up to errlen characters, including the terminating NUL).
The bsde_set_rule() function fills the slot numbered rulenum with the specified rule (in struct mac_bsdextended_rule form, either from bsde_get_rule() or bsde_parse_rule(3)). If an error occurs, *errstr is filled with the error string (up to errlen characters, including the terminating NUL).
The bsde_delete_rule() function deletes the rule numbered rulenum. If an error occurs, *errstr is filled with the error string (up to errlen characters, including the terminating NUL).
RETURN VALUES The bsde_get_rule(), bsde_set_rule(), and bsde_delete_rule() functions return 0 if successful; otherwise the value -1 is returned and the value of *errstr is filled in as documented in DESCRIPTION.
SEE ALSO bsde_get_rule_count(3), bsde_get_rule_slots(3), bsde_parse_rule(3), bsde_parse_rule_string(3), bsde_rule_to_string(3), libugidfw(3), mac_bsdextended(4), ugidfw(8)