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parser: fix filter slashes for link targets

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The parser is failing to properly filter the slashes in the link name
after variable expansion. Causing match failures when multiple slashes
occur.

Fixes: https://gitlab.com/apparmor/apparmor/-/issues/153
MR: https://gitlab.com/apparmor/apparmor/-/merge_requests/723
Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Steve Beattie <steve.beattie@canonical.com>
(cherry picked from commit 2852e1ecdf)
Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen
2021-03-14 08:50:16 -07:00
parent dd03484866
commit 44e6f90f23
2 changed files with 16 additions and 1 deletions
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1
parser/parser_regex.c
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@@ -564,6 +564,7 @@ static int process_dfa_entry(aare_rules *dfarules, struct cod_entry *entry)
int pos;
vec[0] = tbuf.c_str();
if (entry->link_name) {
filter_slashes(entry->link_name);
ptype = convert_aaregex_to_pcre(entry->link_name, 0, glob_default, lbuf, &pos);
if (ptype == ePatternInvalid)
return FALSE;