src/usr.bin/ssh/match.c - diff

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version 1.41, 2019/11/13 04:47:52

version 1.42, 2020/07/05 23:59:45

Line 302

* Filter proposal using pattern-list filter.

* "blacklist" determines sense of filter:

* "denylist" determines sense of filter:

* non-zero indicates that items matching filter should be excluded.

* zero indicates that only items matching filter should be included.

* returns NULL on allocation error, otherwise caller must free result.

static char *

filter_list(const char *proposal, const char *filter, int blacklist)

filter_list(const char *proposal, const char *filter, int denylist)

{

size_t len = strlen(proposal) + 1;

char *fix_prop = malloc(len);

Line 326

*fix_prop = '\0';

while ((cp = strsep(&tmp, ",")) != NULL) {

r = match_pattern_list(cp, filter, 0);

if ((blacklist && r != 1) || (!blacklist && r == 1)) {

if ((denylist && r != 1) || (!denylist && r == 1)) {

if (*fix_prop != '\0')

strlcat(fix_prop, ",", len);

strlcat(fix_prop, cp, len);

Line 341

* the 'filter' pattern list. Caller must free returned string.

char *

match_filter_blacklist(const char *proposal, const char *filter)

match_filter_denylist(const char *proposal, const char *filter)

{

return filter_list(proposal, filter, 1);

}

Line 351

* the 'filter' pattern list. Caller must free returned string.

char *

match_filter_whitelist(const char *proposal, const char *filter)

match_filter_allowlist(const char *proposal, const char *filter)

{

return filter_list(proposal, filter, 0);

}