import of dnsmasq-2.48.tar.gz

This commit is contained in:
Simon Kelley
2009-06-04 20:32:05 +01:00
parent 73a08a248d
commit 7622fc06ab
37 changed files with 7873 additions and 6709 deletions

View File

@@ -19,6 +19,10 @@
#include "dnsmasq.h"
#include <setjmp.h>
static volatile int mem_recover = 0;
static jmp_buf mem_jmp;
static void one_file(char *file, int nest, int hard_opt);
/* Solaris headers don't have facility names. */
#ifdef HAVE_SOLARIS_NETWORK
static const struct {
@@ -34,10 +38,7 @@ static const struct {
{ "lpr", LOG_LPR },
{ "news", LOG_NEWS },
{ "uucp", LOG_UUCP },
#ifdef LOG_AUDIT
/* Not Solaris < 10 */
{ "audit", LOG_AUDIT },
#endif
{ "cron", LOG_CRON },
{ "local0", LOG_LOCAL0 },
{ "local1", LOG_LOCAL1 },
@@ -98,6 +99,9 @@ struct myoption {
#define LOPT_MINPORT 288
#define LOPT_DHCP_FQDN 289
#define LOPT_CNAME 290
#define LOPT_PXE_PROMT 291
#define LOPT_PXE_SERV 292
#define LOPT_TEST 293
#ifdef HAVE_GETOPT_LONG
static const struct option opts[] =
@@ -105,105 +109,106 @@ static const struct option opts[] =
static const struct myoption opts[] =
#endif
{
{"version", 0, 0, 'v'},
{"no-hosts", 0, 0, 'h'},
{"no-poll", 0, 0, 'n'},
{"help", 0, 0, 'w'},
{"no-daemon", 0, 0, 'd'},
{"log-queries", 0, 0, 'q'},
{"user", 2, 0, 'u'},
{"group", 2, 0, 'g'},
{"resolv-file", 2, 0, 'r'},
{"mx-host", 1, 0, 'm'},
{"mx-target", 1, 0, 't'},
{"cache-size", 2, 0, 'c'},
{"port", 1, 0, 'p'},
{"dhcp-leasefile", 2, 0, 'l'},
{"dhcp-lease", 1, 0, 'l' },
{"dhcp-host", 1, 0, 'G'},
{"dhcp-range", 1, 0, 'F'},
{"dhcp-option", 1, 0, 'O'},
{"dhcp-boot", 1, 0, 'M'},
{"domain", 1, 0, 's'},
{"domain-suffix", 1, 0, 's'},
{"interface", 1, 0, 'i'},
{"listen-address", 1, 0, 'a'},
{"bogus-priv", 0, 0, 'b'},
{"bogus-nxdomain", 1, 0, 'B'},
{"selfmx", 0, 0, 'e'},
{"filterwin2k", 0, 0, 'f'},
{"pid-file", 2, 0, 'x'},
{"strict-order", 0, 0, 'o'},
{"server", 1, 0, 'S'},
{"local", 1, 0, LOPT_LOCAL },
{"address", 1, 0, 'A' },
{"conf-file", 2, 0, 'C'},
{"no-resolv", 0, 0, 'R'},
{"expand-hosts", 0, 0, 'E'},
{"localmx", 0, 0, 'L'},
{"local-ttl", 1, 0, 'T'},
{"no-negcache", 0, 0, 'N'},
{"addn-hosts", 1, 0, 'H'},
{"query-port", 1, 0, 'Q'},
{"except-interface", 1, 0, 'I'},
{"no-dhcp-interface", 1, 0, '2'},
{"domain-needed", 0, 0, 'D'},
{"dhcp-lease-max", 1, 0, 'X' },
{"bind-interfaces", 0, 0, 'z'},
{"read-ethers", 0, 0, 'Z' },
{"alias", 1, 0, 'V' },
{"dhcp-vendorclass", 1, 0, 'U'},
{"dhcp-userclass", 1, 0, 'j'},
{"dhcp-ignore", 1, 0, 'J'},
{"edns-packet-max", 1, 0, 'P'},
{"keep-in-foreground", 0, 0, 'k'},
{"dhcp-authoritative", 0, 0, 'K'},
{"srv-host", 1, 0, 'W'},
{"localise-queries", 0, 0, 'y'},
{"txt-record", 1, 0, 'Y'},
{"enable-dbus", 0, 0, '1'},
{"bootp-dynamic", 2, 0, '3'},
{"dhcp-mac", 1, 0, '4'},
{"no-ping", 0, 0, '5'},
{"dhcp-script", 1, 0, '6'},
{"conf-dir", 1, 0, '7'},
{"log-facility", 1, 0 ,'8'},
{"leasefile-ro", 0, 0, '9'},
{"dns-forward-max", 1, 0, '0'},
{"clear-on-reload", 0, 0, LOPT_RELOAD },
{"dhcp-ignore-names", 2, 0, LOPT_NO_NAMES },
{"enable-tftp", 0, 0, LOPT_TFTP },
{"tftp-secure", 0, 0, LOPT_SECURE },
{"tftp-unique-root", 0, 0, LOPT_APREF },
{"tftp-root", 1, 0, LOPT_PREFIX },
{"tftp-max", 1, 0, LOPT_TFTP_MAX },
{"ptr-record", 1, 0, LOPT_PTR },
{"naptr-record", 1, 0, LOPT_NAPTR },
#ifdef HAVE_BSD_BRIDGE
{"bridge-interface", 1, 0 , LOPT_BRIDGE },
#endif
{"dhcp-option-force", 1, 0, LOPT_FORCE },
{"tftp-no-blocksize", 0, 0, LOPT_NOBLOCK },
{"log-dhcp", 0, 0, LOPT_LOG_OPTS },
{"log-async", 2, 0, LOPT_MAX_LOGS },
{"dhcp-circuitid", 1, 0, LOPT_CIRCUIT },
{"dhcp-remoteid", 1, 0, LOPT_REMOTE },
{"dhcp-subscrid", 1, 0, LOPT_SUBSCR },
{"interface-name", 1, 0, LOPT_INTNAME },
{"dhcp-hostsfile", 1, 0, LOPT_DHCP_HOST },
{"dhcp-optsfile", 1, 0, LOPT_DHCP_OPTS },
{"dhcp-no-override", 0, 0, LOPT_OVERRIDE },
{"tftp-port-range", 1, 0, LOPT_TFTPPORTS },
{"stop-dns-rebind", 0, 0, LOPT_REBIND },
{"all-servers", 0, 0, LOPT_NOLAST},
{"dhcp-match", 1, 0, LOPT_MATCH },
{"dhcp-broadcast", 1, 0, LOPT_BROADCAST },
{"neg-ttl", 1, 0, LOPT_NEGTTL },
{"dhcp-alternate-port", 2, 0, LOPT_ALTPORT },
{"dhcp-scriptuser", 1, 0, LOPT_SCRIPTUSR },
{"min-port", 1, 0, LOPT_MINPORT },
{"dhcp-fqdn", 0, 0, LOPT_DHCP_FQDN },
{"cname", 1, 0, LOPT_CNAME },
{ "version", 0, 0, 'v' },
{ "no-hosts", 0, 0, 'h' },
{ "no-poll", 0, 0, 'n' },
{ "help", 0, 0, 'w' },
{ "no-daemon", 0, 0, 'd' },
{ "log-queries", 0, 0, 'q' },
{ "user", 2, 0, 'u' },
{ "group", 2, 0, 'g' },
{ "resolv-file", 2, 0, 'r' },
{ "mx-host", 1, 0, 'm' },
{ "mx-target", 1, 0, 't' },
{ "cache-size", 2, 0, 'c' },
{ "port", 1, 0, 'p' },
{ "dhcp-leasefile", 2, 0, 'l' },
{ "dhcp-lease", 1, 0, 'l' },
{ "dhcp-host", 1, 0, 'G' },
{ "dhcp-range", 1, 0, 'F' },
{ "dhcp-option", 1, 0, 'O' },
{ "dhcp-boot", 1, 0, 'M' },
{ "domain", 1, 0, 's' },
{ "domain-suffix", 1, 0, 's' },
{ "interface", 1, 0, 'i' },
{ "listen-address", 1, 0, 'a' },
{ "bogus-priv", 0, 0, 'b' },
{ "bogus-nxdomain", 1, 0, 'B' },
{ "selfmx", 0, 0, 'e' },
{ "filterwin2k", 0, 0, 'f' },
{ "pid-file", 2, 0, 'x' },
{ "strict-order", 0, 0, 'o' },
{ "server", 1, 0, 'S' },
{ "local", 1, 0, LOPT_LOCAL },
{ "address", 1, 0, 'A' },
{ "conf-file", 2, 0, 'C' },
{ "no-resolv", 0, 0, 'R' },
{ "expand-hosts", 0, 0, 'E' },
{ "localmx", 0, 0, 'L' },
{ "local-ttl", 1, 0, 'T' },
{ "no-negcache", 0, 0, 'N' },
{ "addn-hosts", 1, 0, 'H' },
{ "query-port", 1, 0, 'Q' },
{ "except-interface", 1, 0, 'I' },
{ "no-dhcp-interface", 1, 0, '2' },
{ "domain-needed", 0, 0, 'D' },
{ "dhcp-lease-max", 1, 0, 'X' },
{ "bind-interfaces", 0, 0, 'z' },
{ "read-ethers", 0, 0, 'Z' },
{ "alias", 1, 0, 'V' },
{ "dhcp-vendorclass", 1, 0, 'U' },
{ "dhcp-userclass", 1, 0, 'j' },
{ "dhcp-ignore", 1, 0, 'J' },
{ "edns-packet-max", 1, 0, 'P' },
{ "keep-in-foreground", 0, 0, 'k' },
{ "dhcp-authoritative", 0, 0, 'K' },
{ "srv-host", 1, 0, 'W' },
{ "localise-queries", 0, 0, 'y' },
{ "txt-record", 1, 0, 'Y' },
{ "enable-dbus", 0, 0, '1' },
{ "bootp-dynamic", 2, 0, '3' },
{ "dhcp-mac", 1, 0, '4' },
{ "no-ping", 0, 0, '5' },
{ "dhcp-script", 1, 0, '6' },
{ "conf-dir", 1, 0, '7' },
{ "log-facility", 1, 0 ,'8' },
{ "leasefile-ro", 0, 0, '9' },
{ "dns-forward-max", 1, 0, '0' },
{ "clear-on-reload", 0, 0, LOPT_RELOAD },
{ "dhcp-ignore-names", 2, 0, LOPT_NO_NAMES },
{ "enable-tftp", 0, 0, LOPT_TFTP },
{ "tftp-secure", 0, 0, LOPT_SECURE },
{ "tftp-unique-root", 0, 0, LOPT_APREF },
{ "tftp-root", 1, 0, LOPT_PREFIX },
{ "tftp-max", 1, 0, LOPT_TFTP_MAX },
{ "ptr-record", 1, 0, LOPT_PTR },
{ "naptr-record", 1, 0, LOPT_NAPTR },
{ "bridge-interface", 1, 0 , LOPT_BRIDGE },
{ "dhcp-option-force", 1, 0, LOPT_FORCE },
{ "tftp-no-blocksize", 0, 0, LOPT_NOBLOCK },
{ "log-dhcp", 0, 0, LOPT_LOG_OPTS },
{ "log-async", 2, 0, LOPT_MAX_LOGS },
{ "dhcp-circuitid", 1, 0, LOPT_CIRCUIT },
{ "dhcp-remoteid", 1, 0, LOPT_REMOTE },
{ "dhcp-subscrid", 1, 0, LOPT_SUBSCR },
{ "interface-name", 1, 0, LOPT_INTNAME },
{ "dhcp-hostsfile", 1, 0, LOPT_DHCP_HOST },
{ "dhcp-optsfile", 1, 0, LOPT_DHCP_OPTS },
{ "dhcp-no-override", 0, 0, LOPT_OVERRIDE },
{ "tftp-port-range", 1, 0, LOPT_TFTPPORTS },
{ "stop-dns-rebind", 0, 0, LOPT_REBIND },
{ "all-servers", 0, 0, LOPT_NOLAST },
{ "dhcp-match", 1, 0, LOPT_MATCH },
{ "dhcp-broadcast", 1, 0, LOPT_BROADCAST },
{ "neg-ttl", 1, 0, LOPT_NEGTTL },
{ "dhcp-alternate-port", 2, 0, LOPT_ALTPORT },
{ "dhcp-scriptuser", 1, 0, LOPT_SCRIPTUSR },
{ "min-port", 1, 0, LOPT_MINPORT },
{ "dhcp-fqdn", 0, 0, LOPT_DHCP_FQDN },
{ "cname", 1, 0, LOPT_CNAME },
{ "pxe-prompt", 1, 0, LOPT_PXE_PROMT },
{ "pxe-service", 1, 0, LOPT_PXE_SERV },
{ "test", 0, 0, LOPT_TEST },
{ NULL, 0, 0, 0 }
};
@@ -287,9 +292,7 @@ static struct {
{ '2', ARG_DUP, "interface", gettext_noop("Do not provide DHCP on this interface, only provide DNS."), NULL },
{ '3', ARG_DUP, "[=<id>[,<id>]]", gettext_noop("Enable dynamic address allocation for bootp."), NULL },
{ '4', ARG_DUP, "<id>,<mac address>", gettext_noop("Map MAC address (with wildcards) to option set."), NULL },
#ifdef HAVE_BSD_BRIDGE
{ LOPT_BRIDGE, ARG_DUP, "iface,alias,..", gettext_noop("Treat DHCP requests on aliases as arriving from interface."), NULL },
#endif
{ '5', OPT_NO_PING, NULL, gettext_noop("Disable ICMP echo address checking in the DHCP server."), NULL },
{ '6', ARG_ONE, "path", gettext_noop("Script to run on DHCP lease creation and destruction."), NULL },
{ '7', ARG_DUP, "path", gettext_noop("Read configuration from all the files in this directory."), NULL },
@@ -317,13 +320,18 @@ static struct {
{ LOPT_MINPORT, ARG_ONE, "<port>", gettext_noop("Specify lowest port available for DNS query transmission."), NULL },
{ LOPT_DHCP_FQDN, OPT_DHCP_FQDN, NULL, gettext_noop("Use only fully qualified domain names for DHCP clients."), NULL },
{ LOPT_CNAME, ARG_DUP, "<alias>,<target>", gettext_noop("Specify alias name for LOCAL DNS name."), NULL },
{ LOPT_PXE_PROMT, ARG_DUP, "<prompt>,[<timeout>]", gettext_noop("Prompt to send to PXE clients."), NULL },
{ LOPT_PXE_SERV, ARG_DUP, "<service>", gettext_noop("Boot service for PXE menu."), NULL },
{ LOPT_TEST, 0, NULL, gettext_noop("Check configuration syntax."), NULL },
{ 0, 0, NULL, NULL, NULL }
};
#ifdef HAVE_DHCP
/* makes options which take a list of addresses */
#define OT_ADDR_LIST 255
#define OT_ADDR_LIST 0x80
/* DHCP-internal options, for logging. not valid in config file */
#define OT_INTERNAL 254
#define OT_INTERNAL 0x40
#define OT_NAME 0x20
static const struct {
char *name;
@@ -335,9 +343,9 @@ static const struct {
{ "dns-server", 6, OT_ADDR_LIST },
{ "log-server", 7, OT_ADDR_LIST },
{ "lpr-server", 9, OT_ADDR_LIST },
{ "hostname", 12, OT_INTERNAL },
{ "hostname", 12, OT_INTERNAL | OT_NAME },
{ "boot-file-size", 13, 2 },
{ "domain-name", 15, 0 },
{ "domain-name", 15, OT_NAME },
{ "swap-server", 16, OT_ADDR_LIST },
{ "root-path", 17, 0 },
{ "extension-path", 18, 0 },
@@ -348,7 +356,7 @@ static const struct {
{ "default-ttl", 23, 1 },
{ "mtu", 26, 2 },
{ "all-subnets-local", 27, 1 },
{ "broadcast", 28, OT_INTERNAL },
{ "broadcast", 28, OT_INTERNAL | OT_ADDR_LIST },
{ "router-discovery", 31, 1 },
{ "router-solicitation", 32, OT_ADDR_LIST },
{ "static-route", 33, OT_ADDR_LIST },
@@ -367,11 +375,11 @@ static const struct {
{ "netbios-scope", 47, 0 },
{ "x-windows-fs", 48, OT_ADDR_LIST },
{ "x-windows-dm", 49, OT_ADDR_LIST },
{ "requested-address", 50, OT_INTERNAL },
{ "requested-address", 50, OT_INTERNAL | OT_ADDR_LIST },
{ "lease-time", 51, OT_INTERNAL },
{ "option-overload", 52, OT_INTERNAL },
{ "message-type", 53, OT_INTERNAL, },
{ "server-identifier", 54, OT_INTERNAL },
{ "server-identifier", 54, OT_INTERNAL | OT_ADDR_LIST },
{ "parameter-request", 55, OT_INTERNAL },
{ "message", 56, OT_INTERNAL },
{ "max-message-size", 57, OT_INTERNAL },
@@ -401,21 +409,25 @@ static const struct {
{ NULL, 0, 0 }
};
static volatile int mem_recover = 0;
static jmp_buf mem_jmp;
static void one_file(char *file, int nest, int hard_opt);
char *option_string(unsigned char opt)
char *option_string(unsigned char opt, int *is_ip, int *is_name)
{
int i;
for (i = 0; opttab[i].name; i++)
if (opttab[i].val == opt)
return opttab[i].name;
{
if (is_ip)
*is_ip = !!(opttab[i].size & OT_ADDR_LIST);
if (is_name)
*is_name = !!(opttab[i].size & OT_NAME);
return opttab[i].name;
}
return NULL;
}
#endif
/* We hide metacharaters in quoted strings by mapping them into the ASCII control
character space. Note that the \0, \t \b \r \033 and \n characters are carefully placed in the
following sequence so that they map to themselves: it is therefore possible to call
@@ -626,6 +638,7 @@ static void do_usage(void)
}
}
#ifdef HAVE_DHCP
static void display_opts(void)
{
int i;
@@ -760,7 +773,7 @@ static char *parse_dhcp_opt(char *arg, int flags)
/* We know that some options take addresses */
if (opt_len == OT_ADDR_LIST)
if (opt_len & OT_ADDR_LIST)
{
is_string = is_dec = is_hex = 0;
if (!is_addr || dots == 0)
@@ -919,7 +932,7 @@ static char *parse_dhcp_opt(char *arg, int flags)
}
}
if (new->len > 255)
if ((new->len > 255) || (new->len > 253 && (new->flags & (DHOPT_VENDOR | DHOPT_ENCAPSULATE))))
problem = _("dhcp-option too long");
if (!problem)
@@ -946,6 +959,7 @@ static char *parse_dhcp_opt(char *arg, int flags)
return problem;
}
#endif
static char *one_opt(int option, char *arg, char *gen_prob, int nest)
{
@@ -1013,20 +1027,21 @@ static char *one_opt(int option, char *arg, char *gen_prob, int nest)
while ((ent = readdir(dir_stream)))
{
size_t len;
size_t len = strlen(ent->d_name);
struct stat buf;
if ((len = strlen(ent->d_name)) == 0)
continue;
/* ignore emacs backups and dotfiles */
if (ent->d_name[len - 1] == '~' ||
if (len == 0 ||
ent->d_name[len - 1] == '~' ||
(ent->d_name[0] == '#' && ent->d_name[len - 1] == '#') ||
ent->d_name[0] == '.')
continue;
path = opt_malloc(strlen(directory) + len + 2);
strcpy(path, directory);
strcat(path, "/");
strcat(path, ent->d_name);
if (stat(path, &buf) == -1)
die(_("cannot access %s: %s"), path, EC_FILE);
/* only reg files allowed. */
@@ -1139,25 +1154,28 @@ static char *one_opt(int option, char *arg, char *gen_prob, int nest)
else
daemon->mxtarget = opt_string_alloc(arg);
break;
#ifdef HAVE_DHCP
case 'l': /* --dhcp-leasefile */
daemon->lease_file = opt_string_alloc(arg);
break;
case '6': /* --dhcp-script */
#ifdef NO_FORK
# ifdef NO_FORK
problem = _("cannot run scripts under uClinux");
#else
# else
daemon->lease_change_command = opt_string_alloc(arg);
#endif
# endif
break;
#endif
case 'H': /* --addn-hosts */
{
struct hostsfile *new = opt_malloc(sizeof(struct hostsfile));
static int hosts_index = 1;
new->fname = opt_string_alloc(arg);
new->index = hosts_index++;
new->flags = 0;
new->next = daemon->addn_hosts;
daemon->addn_hosts = new;
break;
@@ -1219,9 +1237,11 @@ static char *one_opt(int option, char *arg, char *gen_prob, int nest)
daemon->group_set = 1;
break;
#ifdef HAVE_DHCP
case LOPT_SCRIPTUSR: /* --scriptuser */
daemon->scriptuser = opt_string_alloc(arg);
break;
#endif
case 'i': /* --interface */
do {
@@ -1520,11 +1540,14 @@ static char *one_opt(int option, char *arg, char *gen_prob, int nest)
break;
}
#ifdef HAVE_DHCP
case 'X': /* --dhcp-lease-max */
if (!atoi_check(arg, &daemon->dhcp_max))
option = '?';
break;
#endif
#ifdef HAVE_TFTP
case LOPT_TFTP_MAX: /* --tftp-max */
if (!atoi_check(arg, &daemon->tftp_max))
option = '?';
@@ -1548,8 +1571,8 @@ static char *one_opt(int option, char *arg, char *gen_prob, int nest)
}
break;
#endif
#ifdef HAVE_BSD_BRIDGE
case LOPT_BRIDGE: /* --bridge-interface */
{
struct dhcp_bridge *new = opt_malloc(sizeof(struct dhcp_bridge));
@@ -1578,8 +1601,8 @@ static char *one_opt(int option, char *arg, char *gen_prob, int nest)
break;
}
#endif
#ifdef HAVE_DHCP
case 'F': /* --dhcp-range */
{
int k, leasepos = 2;
@@ -1646,6 +1669,11 @@ static char *one_opt(int option, char *arg, char *gen_prob, int nest)
new->end = new->start;
new->flags |= CONTEXT_STATIC;
}
else if (strcmp(a[1], "proxy") == 0)
{
new->end = new->start;
new->flags |= CONTEXT_PROXY;
}
else if ((new->end.s_addr = inet_addr(a[1])) == (in_addr_t)-1)
option = '?';
@@ -1916,7 +1944,122 @@ static char *one_opt(int option, char *arg, char *gen_prob, int nest)
break;
}
case LOPT_PXE_PROMT: /* --pxe-prompt */
{
struct dhcp_opt *new = opt_malloc(sizeof(struct dhcp_opt));
int timeout;
new->netid = NULL;
new->opt = 10; /* PXE_MENU_PROMPT */
while (arg && strstr(arg, "net:") == arg)
{
struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid));
comma = split(arg);
nn->next = new->netid;
new->netid = nn;
nn->net = opt_string_alloc(arg+4);
arg = comma;
}
if (!arg)
option = '?';
else
{
comma = split(arg);
unhide_metas(arg);
new->len = strlen(arg) + 1;
new->val = opt_malloc(new->len);
memcpy(new->val + 1, arg, new->len - 1);
new->u.vendor_class = (unsigned char *)"PXEClient";
new->flags = DHOPT_VENDOR;
if (comma && atoi_check(comma, &timeout))
*(new->val) = timeout;
else
*(new->val) = 255;
new->next = daemon->dhcp_opts;
daemon->dhcp_opts = new;
}
break;
}
case LOPT_PXE_SERV: /* --pxe-service */
{
struct pxe_service *new = opt_malloc(sizeof(struct pxe_service));
char *CSA[] = { "x86PC", "PC98", "IA64_EFI", "Alpha", "Arc_x86", "Intel_Lean_Client",
"IA32_EFI", "BC_EFI", "Xscale_EFI", "x86-64_EFI", NULL };
static int boottype = 32768;
new->netid = NULL;
new->server.s_addr = 0;
while (arg && strstr(arg, "net:") == arg)
{
struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid));
comma = split(arg);
nn->next = new->netid;
new->netid = nn;
nn->net = opt_string_alloc(arg+4);
arg = comma;
}
if (arg && (comma = split(arg)))
{
for (i = 0; CSA[i]; i++)
if (strcasecmp(CSA[i], arg) == 0)
break;
if (CSA[i] || atoi_check(arg, &i))
{
arg = comma;
comma = split(arg);
new->CSA = i;
new->menu = opt_string_alloc(arg);
if (comma)
{
arg = comma;
comma = split(arg);
if (atoi_check(arg, &i))
{
new->type = i;
new->basename = NULL;
}
else
{
new->type = boottype++;
new->basename = opt_string_alloc(arg);
}
if (comma && (new->server.s_addr = inet_addr(comma)) == (in_addr_t)-1)
option = '?';
/* Order matters */
new->next = NULL;
if (!daemon->pxe_services)
daemon->pxe_services = new;
else
{
struct pxe_service *s;
for (s = daemon->pxe_services; s->next; s = s->next);
s->next = new;
}
break;
}
}
}
option = '?';
break;
}
case '4': /* --dhcp-mac */
{
if (!(comma = split(arg)))
@@ -2058,6 +2201,7 @@ static char *one_opt(int option, char *arg, char *gen_prob, int nest)
new->list = list;
break;
}
#endif
case 'V': /* --alias */
{
@@ -2311,6 +2455,10 @@ static char *one_opt(int option, char *arg, char *gen_prob, int nest)
new->weight = weight;
break;
}
default:
return _("unsupported option (check that dnsmasq was compiled with DHCP/TFTP/DBus support)");
}
if (problem)
@@ -2328,10 +2476,32 @@ static void one_file(char *file, int nest, int hard_opt)
int i, option;
FILE *f;
char *p, *arg, *start, *buff = daemon->namebuff;
static struct fileread {
dev_t dev;
ino_t ino;
struct fileread *next;
} *filesread = NULL;
struct stat statbuf;
/* ignore repeated files. */
if (hard_opt == 0 && stat(file, &statbuf) == 0)
{
struct fileread *r;
for (r = filesread; r; r = r->next)
if (r->dev == statbuf.st_dev && r->ino == statbuf.st_ino)
return;
r = safe_malloc(sizeof(struct fileread));
r->next = filesread;
filesread = r;
r->dev = statbuf.st_dev;
r->ino = statbuf.st_ino;
}
if (nest > 20)
die(_("files nested too deep in %s"), file, EC_BADCONF);
if (!(f = fopen(file, "r")))
{
if (errno == ENOENT && nest == 0)
@@ -2476,6 +2646,7 @@ static void one_file(char *file, int nest, int hard_opt)
fclose(f);
}
#ifdef HAVE_DHCP
void reread_dhcp(void)
{
if (daemon->dhcp_hosts_file)
@@ -2546,11 +2717,12 @@ void reread_dhcp(void)
my_syslog(LOG_INFO, _("read %s"), daemon->dhcp_opts_file);
}
}
#endif
void read_opts(int argc, char **argv, char *compile_opts)
{
char *buff = opt_malloc(MAXDNAME);
int option, nest = 0;
int option, nest = 0, testmode = 0;
char *errmess, *arg, *conffile = CONFFILE;
opterr = 0;
@@ -2600,12 +2772,16 @@ void read_opts(int argc, char **argv, char *compile_opts)
arg = NULL;
/* command-line only stuff */
if (option == 'w')
if (option == LOPT_TEST)
testmode = 1;
else if (option == 'w')
{
if (argc == 3 && strcmp(argv[2], "dhcp") == 0)
display_opts();
else
if (argc != 3 || strcmp(argv[2], "dhcp") != 0)
do_usage();
#ifdef HAVE_DHCP
else
display_opts();
#endif
exit(0);
}
else if (option == 'v')
@@ -2752,4 +2928,10 @@ void read_opts(int argc, char **argv, char *compile_opts)
}
else if (daemon->options & OPT_DHCP_FQDN)
die(_("there must be a default domain when --dhcp-fqdn is set"), NULL, EC_BADCONF);
if (testmode)
{
fprintf(stderr, "dnsmasq: %s.\n", _("syntax check OK"));
exit(0);
}
}