diff options
Diffstat (limited to 'sbin/dhclient/clparse.c')
| -rw-r--r-- | sbin/dhclient/clparse.c | 938 |
1 files changed, 0 insertions, 938 deletions
diff --git a/sbin/dhclient/clparse.c b/sbin/dhclient/clparse.c deleted file mode 100644 index 2777902c7767..000000000000 --- a/sbin/dhclient/clparse.c +++ /dev/null @@ -1,938 +0,0 @@ -/* $OpenBSD: clparse.c,v 1.18 2004/09/15 18:15:18 henning Exp $ */ - -/* Parser for dhclient config and lease files... */ - -/* - * Copyright (c) 1997 The Internet Software Consortium. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of The Internet Software Consortium nor the names - * of its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND - * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * This software has been written for the Internet Software Consortium - * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie - * Enterprises. To learn more about the Internet Software Consortium, - * see ``http://www.vix.com/isc''. To learn more about Vixie - * Enterprises, see ``http://www.vix.com''. - */ - -#include "dhcpd.h" -#include "dhctoken.h" - -struct client_config top_level_config; -struct interface_info *dummy_interfaces; -extern struct interface_info *ifi; - -char client_script_name[] = "/sbin/dhclient-script"; - -/* - * client-conf-file :== client-declarations EOF - * client-declarations :== <nil> - * | client-declaration - * | client-declarations client-declaration - */ -int -read_client_conf(void) -{ - FILE *cfile; - char *val; - int token; - struct client_config *config; - - new_parse(path_dhclient_conf); - - /* Set up the initial dhcp option universe. */ - initialize_universes(); - - /* Initialize the top level client configuration. */ - memset(&top_level_config, 0, sizeof(top_level_config)); - - /* Set some defaults... */ - top_level_config.timeout = 60; - top_level_config.select_interval = 0; - top_level_config.reboot_timeout = 10; - top_level_config.retry_interval = 300; - top_level_config.backoff_cutoff = 15; - top_level_config.initial_interval = 3; - top_level_config.bootp_policy = ACCEPT; - top_level_config.script_name = client_script_name; - top_level_config.requested_options - [top_level_config.requested_option_count++] = DHO_SUBNET_MASK; - top_level_config.requested_options - [top_level_config.requested_option_count++] = DHO_BROADCAST_ADDRESS; - top_level_config.requested_options - [top_level_config.requested_option_count++] = DHO_TIME_OFFSET; - top_level_config.requested_options - [top_level_config.requested_option_count++] = DHO_ROUTERS; - top_level_config.requested_options - [top_level_config.requested_option_count++] = DHO_DOMAIN_NAME; - top_level_config.requested_options - [top_level_config.requested_option_count++] = - DHO_DOMAIN_NAME_SERVERS; - top_level_config.requested_options - [top_level_config.requested_option_count++] = DHO_HOST_NAME; - - if ((cfile = fopen(path_dhclient_conf, "r")) != NULL) { - do { - token = peek_token(&val, cfile); - if (token == EOF) - break; - parse_client_statement(cfile, NULL, &top_level_config); - } while (1); - token = next_token(&val, cfile); /* Clear the peek buffer */ - fclose(cfile); - } - - /* - * Set up state and config structures for clients that don't - * have per-interface configuration declarations. - */ - config = NULL; - if (!ifi->client) { - ifi->client = malloc(sizeof(struct client_state)); - if (!ifi->client) - error("no memory for client state."); - memset(ifi->client, 0, sizeof(*(ifi->client))); - } - if (!ifi->client->config) { - if (!config) { - config = malloc(sizeof(struct client_config)); - if (!config) - error("no memory for client config."); - memcpy(config, &top_level_config, - sizeof(top_level_config)); - } - ifi->client->config = config; - } - - return (!warnings_occurred); -} - -/* - * lease-file :== client-lease-statements EOF - * client-lease-statements :== <nil> - * | client-lease-statements LEASE client-lease-statement - */ -void -read_client_leases(void) -{ - FILE *cfile; - char *val; - int token; - - new_parse(path_dhclient_db); - - /* Open the lease file. If we can't open it, just return - - we can safely trust the server to remember our state. */ - if ((cfile = fopen(path_dhclient_db, "r")) == NULL) - return; - do { - token = next_token(&val, cfile); - if (token == EOF) - break; - if (token != LEASE) { - warning("Corrupt lease file - possible data loss!"); - skip_to_semi(cfile); - break; - } else - parse_client_lease_statement(cfile, 0); - - } while (1); - fclose(cfile); -} - -/* - * client-declaration :== - * SEND option-decl | - * DEFAULT option-decl | - * SUPERSEDE option-decl | - * PREPEND option-decl | - * APPEND option-decl | - * hardware-declaration | - * REQUEST option-list | - * REQUIRE option-list | - * TIMEOUT number | - * RETRY number | - * REBOOT number | - * SELECT_TIMEOUT number | - * SCRIPT string | - * interface-declaration | - * LEASE client-lease-statement | - * ALIAS client-lease-statement - */ -void -parse_client_statement(FILE *cfile, struct interface_info *ip, - struct client_config *config) -{ - int token; - char *val; - struct option *option; - - switch (next_token(&val, cfile)) { - case SEND: - parse_option_decl(cfile, &config->send_options[0]); - return; - case DEFAULT: - option = parse_option_decl(cfile, &config->defaults[0]); - if (option) - config->default_actions[option->code] = ACTION_DEFAULT; - return; - case SUPERSEDE: - option = parse_option_decl(cfile, &config->defaults[0]); - if (option) - config->default_actions[option->code] = - ACTION_SUPERSEDE; - return; - case APPEND: - option = parse_option_decl(cfile, &config->defaults[0]); - if (option) - config->default_actions[option->code] = ACTION_APPEND; - return; - case PREPEND: - option = parse_option_decl(cfile, &config->defaults[0]); - if (option) - config->default_actions[option->code] = ACTION_PREPEND; - return; - case MEDIA: - parse_string_list(cfile, &config->media, 1); - return; - case HARDWARE: - if (ip) - parse_hardware_param(cfile, &ip->hw_address); - else { - parse_warn("hardware address parameter %s", - "not allowed here."); - skip_to_semi(cfile); - } - return; - case REQUEST: - config->requested_option_count = - parse_option_list(cfile, config->requested_options); - return; - case REQUIRE: - memset(config->required_options, 0, - sizeof(config->required_options)); - parse_option_list(cfile, config->required_options); - return; - case TIMEOUT: - parse_lease_time(cfile, &config->timeout); - return; - case RETRY: - parse_lease_time(cfile, &config->retry_interval); - return; - case SELECT_TIMEOUT: - parse_lease_time(cfile, &config->select_interval); - return; - case REBOOT: - parse_lease_time(cfile, &config->reboot_timeout); - return; - case BACKOFF_CUTOFF: - parse_lease_time(cfile, &config->backoff_cutoff); - return; - case INITIAL_INTERVAL: - parse_lease_time(cfile, &config->initial_interval); - return; - case SCRIPT: - config->script_name = parse_string(cfile); - return; - case INTERFACE: - if (ip) - parse_warn("nested interface declaration."); - parse_interface_declaration(cfile, config); - return; - case LEASE: - parse_client_lease_statement(cfile, 1); - return; - case ALIAS: - parse_client_lease_statement(cfile, 2); - return; - case REJECT: - parse_reject_statement(cfile, config); - return; - default: - parse_warn("expecting a statement."); - skip_to_semi(cfile); - break; - } - token = next_token(&val, cfile); - if (token != SEMI) { - parse_warn("semicolon expected."); - skip_to_semi(cfile); - } -} - -int -parse_X(FILE *cfile, u_int8_t *buf, int max) -{ - int token; - char *val; - int len; - - token = peek_token(&val, cfile); - if (token == NUMBER_OR_NAME || token == NUMBER) { - len = 0; - do { - token = next_token(&val, cfile); - if (token != NUMBER && token != NUMBER_OR_NAME) { - parse_warn("expecting hexadecimal constant."); - skip_to_semi(cfile); - return (0); - } - convert_num(&buf[len], val, 16, 8); - if (len++ > max) { - parse_warn("hexadecimal constant too long."); - skip_to_semi(cfile); - return (0); - } - token = peek_token(&val, cfile); - if (token == COLON) - token = next_token(&val, cfile); - } while (token == COLON); - val = (char *)buf; - } else if (token == STRING) { - token = next_token(&val, cfile); - len = strlen(val); - if (len + 1 > max) { - parse_warn("string constant too long."); - skip_to_semi(cfile); - return (0); - } - memcpy(buf, val, len + 1); - } else { - parse_warn("expecting string or hexadecimal data"); - skip_to_semi(cfile); - return (0); - } - return (len); -} - -/* - * option-list :== option_name | - * option_list COMMA option_name - */ -int -parse_option_list(FILE *cfile, u_int8_t *list) -{ - int ix, i; - int token; - char *val; - - ix = 0; - do { - token = next_token(&val, cfile); - if (!is_identifier(token)) { - parse_warn("expected option name."); - skip_to_semi(cfile); - return (0); - } - for (i = 0; i < 256; i++) - if (!strcasecmp(dhcp_options[i].name, val)) - break; - - if (i == 256) { - parse_warn("%s: unexpected option name.", val); - skip_to_semi(cfile); - return (0); - } - list[ix++] = i; - if (ix == 256) { - parse_warn("%s: too many options.", val); - skip_to_semi(cfile); - return (0); - } - token = next_token(&val, cfile); - } while (token == COMMA); - if (token != SEMI) { - parse_warn("expecting semicolon."); - skip_to_semi(cfile); - return (0); - } - return (ix); -} - -/* - * interface-declaration :== - * INTERFACE string LBRACE client-declarations RBRACE - */ -void -parse_interface_declaration(FILE *cfile, struct client_config *outer_config) -{ - int token; - char *val; - struct interface_info *ip; - - token = next_token(&val, cfile); - if (token != STRING) { - parse_warn("expecting interface name (in quotes)."); - skip_to_semi(cfile); - return; - } - - ip = interface_or_dummy(val); - - if (!ip->client) - make_client_state(ip); - - if (!ip->client->config) - make_client_config(ip, outer_config); - - token = next_token(&val, cfile); - if (token != LBRACE) { - parse_warn("expecting left brace."); - skip_to_semi(cfile); - return; - } - - do { - token = peek_token(&val, cfile); - if (token == EOF) { - parse_warn("unterminated interface declaration."); - return; - } - if (token == RBRACE) - break; - parse_client_statement(cfile, ip, ip->client->config); - } while (1); - token = next_token(&val, cfile); -} - -struct interface_info * -interface_or_dummy(char *name) -{ - struct interface_info *ip; - - /* Find the interface (if any) that matches the name. */ - if (!strcmp(ifi->name, name)) - return (ifi); - - /* If it's not a real interface, see if it's on the dummy list. */ - for (ip = dummy_interfaces; ip; ip = ip->next) - if (!strcmp(ip->name, name)) - return (ip); - - /* - * If we didn't find an interface, make a dummy interface as a - * placeholder. - */ - ip = malloc(sizeof(*ip)); - if (!ip) - error("Insufficient memory to record interface %s", name); - memset(ip, 0, sizeof(*ip)); - strlcpy(ip->name, name, IFNAMSIZ); - ip->next = dummy_interfaces; - dummy_interfaces = ip; - return (ip); -} - -void -make_client_state(struct interface_info *ip) -{ - ip->client = malloc(sizeof(*(ip->client))); - if (!ip->client) - error("no memory for state on %s", ip->name); - memset(ip->client, 0, sizeof(*(ip->client))); -} - -void -make_client_config(struct interface_info *ip, struct client_config *config) -{ - ip->client->config = malloc(sizeof(struct client_config)); - if (!ip->client->config) - error("no memory for config for %s", ip->name); - memset(ip->client->config, 0, sizeof(*(ip->client->config))); - memcpy(ip->client->config, config, sizeof(*config)); -} - -/* - * client-lease-statement :== - * RBRACE client-lease-declarations LBRACE - * - * client-lease-declarations :== - * <nil> | - * client-lease-declaration | - * client-lease-declarations client-lease-declaration - */ -void -parse_client_lease_statement(FILE *cfile, int is_static) -{ - struct client_lease *lease, *lp, *pl; - struct interface_info *ip; - int token; - char *val; - - token = next_token(&val, cfile); - if (token != LBRACE) { - parse_warn("expecting left brace."); - skip_to_semi(cfile); - return; - } - - lease = malloc(sizeof(struct client_lease)); - if (!lease) - error("no memory for lease."); - memset(lease, 0, sizeof(*lease)); - lease->is_static = is_static; - - ip = NULL; - - do { - token = peek_token(&val, cfile); - if (token == EOF) { - parse_warn("unterminated lease declaration."); - return; - } - if (token == RBRACE) - break; - parse_client_lease_declaration(cfile, lease, &ip); - } while (1); - token = next_token(&val, cfile); - - /* If the lease declaration didn't include an interface - * declaration that we recognized, it's of no use to us. - */ - if (!ip) { - free_client_lease(lease); - return; - } - - /* Make sure there's a client state structure... */ - if (!ip->client) - make_client_state(ip); - - /* If this is an alias lease, it doesn't need to be sorted in. */ - if (is_static == 2) { - ip->client->alias = lease; - return; - } - - /* - * The new lease may supersede a lease that's not the active - * lease but is still on the lease list, so scan the lease list - * looking for a lease with the same address, and if we find it, - * toss it. - */ - pl = NULL; - for (lp = ip->client->leases; lp; lp = lp->next) { - if (lp->address.len == lease->address.len && - !memcmp(lp->address.iabuf, lease->address.iabuf, - lease->address.len)) { - if (pl) - pl->next = lp->next; - else - ip->client->leases = lp->next; - free_client_lease(lp); - break; - } - } - - /* - * If this is a preloaded lease, just put it on the list of - * recorded leases - don't make it the active lease. - */ - if (is_static) { - lease->next = ip->client->leases; - ip->client->leases = lease; - return; - } - - /* - * The last lease in the lease file on a particular interface is - * the active lease for that interface. Of course, we don't - * know what the last lease in the file is until we've parsed - * the whole file, so at this point, we assume that the lease we - * just parsed is the active lease for its interface. If - * there's already an active lease for the interface, and this - * lease is for the same ip address, then we just toss the old - * active lease and replace it with this one. If this lease is - * for a different address, then if the old active lease has - * expired, we dump it; if not, we put it on the list of leases - * for this interface which are still valid but no longer - * active. - */ - if (ip->client->active) { - if (ip->client->active->expiry < cur_time) - free_client_lease(ip->client->active); - else if (ip->client->active->address.len == - lease->address.len && - !memcmp(ip->client->active->address.iabuf, - lease->address.iabuf, lease->address.len)) - free_client_lease(ip->client->active); - else { - ip->client->active->next = ip->client->leases; - ip->client->leases = ip->client->active; - } - } - ip->client->active = lease; - - /* Phew. */ -} - -/* - * client-lease-declaration :== - * BOOTP | - * INTERFACE string | - * FIXED_ADDR ip_address | - * FILENAME string | - * SERVER_NAME string | - * OPTION option-decl | - * RENEW time-decl | - * REBIND time-decl | - * EXPIRE time-decl - */ -void -parse_client_lease_declaration(FILE *cfile, struct client_lease *lease, - struct interface_info **ipp) -{ - int token; - char *val; - struct interface_info *ip; - - switch (next_token(&val, cfile)) { - case BOOTP: - lease->is_bootp = 1; - break; - case INTERFACE: - token = next_token(&val, cfile); - if (token != STRING) { - parse_warn("expecting interface name (in quotes)."); - skip_to_semi(cfile); - break; - } - ip = interface_or_dummy(val); - *ipp = ip; - break; - case FIXED_ADDR: - if (!parse_ip_addr(cfile, &lease->address)) - return; - break; - case MEDIUM: - parse_string_list(cfile, &lease->medium, 0); - return; - case FILENAME: - lease->filename = parse_string(cfile); - return; - case SERVER_NAME: - lease->server_name = parse_string(cfile); - return; - case RENEW: - lease->renewal = parse_date(cfile); - return; - case REBIND: - lease->rebind = parse_date(cfile); - return; - case EXPIRE: - lease->expiry = parse_date(cfile); - return; - case OPTION: - parse_option_decl(cfile, lease->options); - return; - default: - parse_warn("expecting lease declaration."); - skip_to_semi(cfile); - break; - } - token = next_token(&val, cfile); - if (token != SEMI) { - parse_warn("expecting semicolon."); - skip_to_semi(cfile); - } -} - -struct option * -parse_option_decl(FILE *cfile, struct option_data *options) -{ - char *val; - int token; - u_int8_t buf[4]; - u_int8_t hunkbuf[1024]; - int hunkix = 0; - char *vendor; - char *fmt; - struct universe *universe; - struct option *option; - struct iaddr ip_addr; - u_int8_t *dp; - int len; - int nul_term = 0; - - token = next_token(&val, cfile); - if (!is_identifier(token)) { - parse_warn("expecting identifier after option keyword."); - if (token != SEMI) - skip_to_semi(cfile); - return (NULL); - } - if ((vendor = strdup(val)) == NULL) - error("no memory for vendor information."); - - token = peek_token(&val, cfile); - if (token == DOT) { - /* Go ahead and take the DOT token... */ - token = next_token(&val, cfile); - - /* The next token should be an identifier... */ - token = next_token(&val, cfile); - if (!is_identifier(token)) { - parse_warn("expecting identifier after '.'"); - if (token != SEMI) - skip_to_semi(cfile); - return (NULL); - } - - /* Look up the option name hash table for the specified - vendor. */ - universe = ((struct universe *)hash_lookup(&universe_hash, - (unsigned char *)vendor, 0)); - /* If it's not there, we can't parse the rest of the - declaration. */ - if (!universe) { - parse_warn("no vendor named %s.", vendor); - skip_to_semi(cfile); - return (NULL); - } - } else { - /* Use the default hash table, which contains all the - standard dhcp option names. */ - val = vendor; - universe = &dhcp_universe; - } - - /* Look up the actual option info... */ - option = (struct option *)hash_lookup(universe->hash, - (unsigned char *)val, 0); - - /* If we didn't get an option structure, it's an undefined option. */ - if (!option) { - if (val == vendor) - parse_warn("no option named %s", val); - else - parse_warn("no option named %s for vendor %s", - val, vendor); - skip_to_semi(cfile); - return (NULL); - } - - /* Free the initial identifier token. */ - free(vendor); - - /* Parse the option data... */ - do { - for (fmt = option->format; *fmt; fmt++) { - if (*fmt == 'A') - break; - switch (*fmt) { - case 'X': - len = parse_X(cfile, &hunkbuf[hunkix], - sizeof(hunkbuf) - hunkix); - hunkix += len; - break; - case 't': /* Text string... */ - token = next_token(&val, cfile); - if (token != STRING) { - parse_warn("expecting string."); - skip_to_semi(cfile); - return (NULL); - } - len = strlen(val); - if (hunkix + len + 1 > sizeof(hunkbuf)) { - parse_warn("option data buffer %s", - "overflow"); - skip_to_semi(cfile); - return (NULL); - } - memcpy(&hunkbuf[hunkix], val, len + 1); - nul_term = 1; - hunkix += len; - break; - case 'I': /* IP address. */ - if (!parse_ip_addr(cfile, &ip_addr)) - return (NULL); - len = ip_addr.len; - dp = ip_addr.iabuf; -alloc: - if (hunkix + len > sizeof(hunkbuf)) { - parse_warn("option data buffer " - "overflow"); - skip_to_semi(cfile); - return (NULL); - } - memcpy(&hunkbuf[hunkix], dp, len); - hunkix += len; - break; - case 'L': /* Unsigned 32-bit integer... */ - case 'l': /* Signed 32-bit integer... */ - token = next_token(&val, cfile); - if (token != NUMBER) { -need_number: - parse_warn("expecting number."); - if (token != SEMI) - skip_to_semi(cfile); - return (NULL); - } - convert_num(buf, val, 0, 32); - len = 4; - dp = buf; - goto alloc; - case 's': /* Signed 16-bit integer. */ - case 'S': /* Unsigned 16-bit integer. */ - token = next_token(&val, cfile); - if (token != NUMBER) - goto need_number; - convert_num(buf, val, 0, 16); - len = 2; - dp = buf; - goto alloc; - case 'b': /* Signed 8-bit integer. */ - case 'B': /* Unsigned 8-bit integer. */ - token = next_token(&val, cfile); - if (token != NUMBER) - goto need_number; - convert_num(buf, val, 0, 8); - len = 1; - dp = buf; - goto alloc; - case 'f': /* Boolean flag. */ - token = next_token(&val, cfile); - if (!is_identifier(token)) { - parse_warn("expecting identifier."); -bad_flag: - if (token != SEMI) - skip_to_semi(cfile); - return (NULL); - } - if (!strcasecmp(val, "true") || - !strcasecmp(val, "on")) - buf[0] = 1; - else if (!strcasecmp(val, "false") || - !strcasecmp(val, "off")) - buf[0] = 0; - else { - parse_warn("expecting boolean."); - goto bad_flag; - } - len = 1; - dp = buf; - goto alloc; - default: - warning("Bad format %c in parse_option_param.", - *fmt); - skip_to_semi(cfile); - return (NULL); - } - } - token = next_token(&val, cfile); - } while (*fmt == 'A' && token == COMMA); - - if (token != SEMI) { - parse_warn("semicolon expected."); - skip_to_semi(cfile); - return (NULL); - } - - options[option->code].data = malloc(hunkix + nul_term); - if (!options[option->code].data) - error("out of memory allocating option data."); - memcpy(options[option->code].data, hunkbuf, hunkix + nul_term); - options[option->code].len = hunkix; - return (option); -} - -void -parse_string_list(FILE *cfile, struct string_list **lp, int multiple) -{ - int token; - char *val; - struct string_list *cur, *tmp; - - /* Find the last medium in the media list. */ - if (*lp) - for (cur = *lp; cur->next; cur = cur->next) - ; /* nothing */ - else - cur = NULL; - - do { - token = next_token(&val, cfile); - if (token != STRING) { - parse_warn("Expecting media options."); - skip_to_semi(cfile); - return; - } - - tmp = new_string_list(strlen(val) + 1); - if (tmp == NULL) - error("no memory for string list entry."); - strlcpy(tmp->string, val, strlen(val) + 1); - tmp->next = NULL; - - /* Store this medium at the end of the media list. */ - if (cur) - cur->next = tmp; - else - *lp = tmp; - cur = tmp; - - token = next_token(&val, cfile); - } while (multiple && token == COMMA); - - if (token != SEMI) { - parse_warn("expecting semicolon."); - skip_to_semi(cfile); - } -} - -void -parse_reject_statement(FILE *cfile, struct client_config *config) -{ - int token; - char *val; - struct iaddr addr; - struct iaddrlist *list; - - do { - if (!parse_ip_addr(cfile, &addr)) { - parse_warn("expecting IP address."); - skip_to_semi(cfile); - return; - } - - list = malloc(sizeof(struct iaddrlist)); - if (!list) - error("no memory for reject list!"); - - list->addr = addr; - list->next = config->reject_list; - config->reject_list = list; - - token = next_token(&val, cfile); - } while (token == COMMA); - - if (token != SEMI) { - parse_warn("expecting semicolon."); - skip_to_semi(cfile); - } -} |