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Parse wildcards in genfscon rules #297

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Parse wildcards in genfscon rules #297

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d917749
Parse wildcards in genfscon rules
dburgener Dec 13, 2024
0beb3b1
Also submit ? characters
dburgener Dec 17, 2024
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2 changes: 1 addition & 1 deletion src/lex.l
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Original file line number Diff line number Diff line change
Expand Up @@ -159,7 +159,7 @@ userdebug_or_eng { return USERDEBUG_OR_ENG; }
[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\/[0-9]{1,2} { yylval->string = xstrdup(yytext); return IPV4_CIDR; }
([0-9A-Fa-f]{1,4})?\:([0-9A-Fa-f\:])*\:([0-9A-Fa-f]{1,4})?(\:[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})? { yylval->string = xstrdup(yytext); return IPV6; }
([0-9A-Fa-f]{1,4})?\:([0-9A-Fa-f\:])*\:([0-9A-Fa-f]{1,4})?(\:[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})?\/[0-9]{1,3} { yylval->string = xstrdup(yytext); return IPV6_CIDR; }
\"[a-zA-Z0-9_\.\-\:~\$\[\]\/@]*\" { yylval->string = xstrdup(yytext); return QUOTED_STRING; }
\"[a-zA-Z0-9_\.\-\:~\$\[\]\/@\*\?]*\" { yylval->string = xstrdup(yytext); return QUOTED_STRING; }
\-[\-ldbcsp][ \t] { return FILE_TYPE_SPECIFIER; }
\( { return OPEN_PAREN; }
\) { return CLOSE_PAREN; }
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4 changes: 4 additions & 0 deletions tests/sample_policy_files/uncommon.te
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Expand Up @@ -162,3 +162,7 @@ optional_policy(`
filetrans_pattern(foo_t, bar_run_t, baz_run_t, dir, ``"interface"'')

allowxperm src_t tgt_t: netlink_route_socket nlmsg { RTM_GETROUTE 0x44 };

# RFC for new genfscon wildcard support
genfscon sysfs "/sys/devices/*/wakeup/*/uevent" -- gen_context(u:r:some_context, s0)
genfscon sysfs "/sys/devices/*/wakeup/?/uevent" -- gen_context(u:r:some_context, s0)
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