diff options
| -rw-r--r-- | sbin/pfctl/parse.y | 70 |
1 files changed, 60 insertions, 10 deletions
diff --git a/sbin/pfctl/parse.y b/sbin/pfctl/parse.y index 973c32e0d1f..eae262bfb41 100644 --- a/sbin/pfctl/parse.y +++ b/sbin/pfctl/parse.y @@ -1,4 +1,4 @@ -/* $OpenBSD: parse.y,v 1.559 2009/05/14 22:56:11 sthen Exp $ */ +/* $OpenBSD: parse.y,v 1.560 2009/07/27 12:56:48 claudio Exp $ */ /* * Copyright (c) 2001 Markus Friedl. All rights reserved. @@ -340,6 +340,8 @@ void decide_address_family(struct node_host *, sa_family_t *); void remove_invalid_hosts(struct node_host **, sa_family_t *); int invalid_redirect(struct node_host *, sa_family_t); u_int16_t parseicmpspec(char *, sa_family_t); +int kw_casecmp(const void *, const void *); +int map_tos(char *string, int *); TAILQ_HEAD(loadanchorshead, loadanchors) loadanchorshead = TAILQ_HEAD_INITIALIZER(loadanchorshead); @@ -3308,17 +3310,14 @@ icmp6type : STRING { ; tos : STRING { - if (!strcmp($1, "lowdelay")) - $$ = IPTOS_LOWDELAY; - else if (!strcmp($1, "throughput")) - $$ = IPTOS_THROUGHPUT; - else if (!strcmp($1, "reliability")) - $$ = IPTOS_RELIABILITY; + int val; + if (map_tos($1, &val)) + $$ = val; else if ($1[0] == '0' && $1[1] == 'x') $$ = strtoul($1, NULL, 16); else - $$ = 0; /* flag bad argument */ - if (!$$ || $$ > 255) { + $$ = 256; /* flag bad argument */ + if ($$ > 255) { yyerror("illegal tos value %s", $1); free($1); YYERROR; @@ -3327,7 +3326,7 @@ tos : STRING { } | NUMBER { $$ = $1; - if (!$$ || $$ > 255) { + if ($$ > 255) { yyerror("illegal tos value %s", $1); YYERROR; } @@ -5973,3 +5972,54 @@ pfctl_load_anchors(int dev, struct pfctl *pf, struct pfr_buffer *trans) return (0); } + +int +kw_casecmp(const void *k, const void *e) +{ + return (strcasecmp(k, ((const struct keywords *)e)->k_name)); +} + +int +map_tos(char *s, int *val) +{ + /* DiffServ Codepoints and other TOS mappings */ + const struct keywords toswords[] = { + { "af11", IPTOS_DSCP_AF11 }, + { "af12", IPTOS_DSCP_AF12 }, + { "af13", IPTOS_DSCP_AF13 }, + { "af21", IPTOS_DSCP_AF21 }, + { "af22", IPTOS_DSCP_AF22 }, + { "af23", IPTOS_DSCP_AF23 }, + { "af31", IPTOS_DSCP_AF31 }, + { "af32", IPTOS_DSCP_AF32 }, + { "af33", IPTOS_DSCP_AF33 }, + { "af41", IPTOS_DSCP_AF41 }, + { "af42", IPTOS_DSCP_AF42 }, + { "af43", IPTOS_DSCP_AF43 }, + { "critical", IPTOS_PREC_CRITIC_ECP }, + { "cs0", IPTOS_DSCP_CS0 }, + { "cs1", IPTOS_DSCP_CS1 }, + { "cs2", IPTOS_DSCP_CS2 }, + { "cs3", IPTOS_DSCP_CS3 }, + { "cs4", IPTOS_DSCP_CS4 }, + { "cs5", IPTOS_DSCP_CS5 }, + { "cs6", IPTOS_DSCP_CS6 }, + { "cs7", IPTOS_DSCP_CS7 }, + { "ef", IPTOS_DSCP_EF }, + { "inetcontrol", IPTOS_PREC_INTERNETCONTROL }, + { "lowdelay", IPTOS_LOWDELAY }, + { "netcontrol", IPTOS_PREC_NETCONTROL }, + { "reliability", IPTOS_RELIABILITY }, + { "throughput", IPTOS_THROUGHPUT } + }; + const struct keywords *p; + + p = bsearch(s, toswords, sizeof(toswords)/sizeof(toswords[0]), + sizeof(toswords[0]), kw_casecmp); + + if (p) { + *val = p->k_val; + return (1); + } + return (0); +} |