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import of dnsmasq-2.24.tar.gz

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This commit is contained in:
Simon Kelley
2005-11-26 21:46:27 +00:00
parent 3d8df260e1
commit b8187c80a8
35 changed files with 6104 additions and 364 deletions
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232
src/option.c
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@@ -116,69 +116,69 @@ static const struct optflags optmap[] = {
{ 0, 0 }
};
static const char * const usage =
"Usage: dnsmasq [options]\n\n"
#ifndef HAVE_GETOPT_LONG
"Use short options only on the command line.\n"
#endif
"Valid options are :\n"
"-a, --listen-address=ipaddr Specify local address(es) to listen on.\n"
"-A, --address=/domain/ipaddr Return ipaddr for all hosts in specified domains.\n"
"-b, --bogus-priv Fake reverse lookups for RFC1918 private address ranges.\n"
"-B, --bogus-nxdomain=ipaddr Treat ipaddr as NXDOMAIN (defeats Verisign wildcard).\n"
"-c, --cache-size=cachesize Specify the size of the cache in entries (defaults to %d).\n"
"-C, --conf-file=path Specify configuration file (defaults to " CONFFILE ").\n"
"-d, --no-daemon Do NOT fork into the background: run in debug mode.\n"
"-D, --domain-needed Do NOT forward queries with no domain part.\n"
"-e, --selfmx Return self-pointing MX records for local hosts.\n"
"-E, --expand-hosts Expand simple names in /etc/hosts with domain-suffix.\n"
"-f, --filterwin2k Don't forward spurious DNS requests from Windows hosts.\n"
"-F, --dhcp-range=ipaddr,ipaddr,time Enable DHCP in the range given with lease duration.\n"
"-g, --group=groupname Change to this group after startup (defaults to " CHGRP ").\n"
"-G, --dhcp-host=<hostspec> Set address or hostname for a specified machine.\n"
"-h, --no-hosts Do NOT load " HOSTSFILE " file.\n"
"-H, --addn-hosts=path Specify a hosts file to be read in addition to " HOSTSFILE ".\n"
"-i, --interface=interface Specify interface(s) to listen on.\n"
"-I, --except-interface=int Specify interface(s) NOT to listen on.\n"
"-j, --dhcp-userclass=<id>,<class> Map DHCP user class to option set.\n"
"-J, --dhcp-ignore=<id> Don't do DHCP for hosts in option set.\n"
"-k, --keep-in-foreground Do NOT fork into the background, do NOT run in debug mode.\n"
"-K, --dhcp-authoritative Assume we are the only DHCP server on the local network.\n"
"-l, --dhcp-leasefile=path Specify where to store DHCP leases (defaults to " LEASEFILE ").\n"
"-L, --localmx Return MX records for local hosts.\n"
"-m, --mx-host=host_name,target,pref Specify an MX record.\n"
"-M, --dhcp-boot=<bootp opts> Specify BOOTP options to DHCP server.\n"
"-n, --no-poll Do NOT poll " RESOLVFILE " file, reload only on SIGHUP.\n"
"-N, --no-negcache Do NOT cache failed search results.\n"
"-o, --strict-order Use nameservers strictly in the order given in " RESOLVFILE ".\n"
"-O, --dhcp-option=<optspec> Set extra options to be set to DHCP clients.\n"
"-p, --port=number Specify port to listen for DNS requests on (defaults to 53).\n"
"-P, --edns-packet-max=<size> Maximum supported UDP packet size for EDNS.0 (defaults to %d).\n"
"-q, --log-queries Log queries.\n"
"-Q, --query-port=number Force the originating port for upstream queries.\n"
"-R, --no-resolv Do NOT read resolv.conf.\n"
"-r, --resolv-file=path Specify path to resolv.conf (defaults to " RESOLVFILE ").\n"
"-S, --server=/domain/ipaddr Specify address(es) of upstream servers with optional domains.\n"
" --local=/domain/ Never forward queries to specified domains.\n"
"-s, --domain=domain Specify the domain to be assigned in DHCP leases.\n"
"-t, --mx-target=host_name Specify default target in an MX record.\n"
"-T, --local-ttl=time Specify time-to-live in seconds for replies from /etc/hosts.\n"
"-u, --user=username Change to this user after startup. (defaults to " CHUSER ").\n"
"-U, --dhcp-vendorclass=<id>,<class> Map DHCP vendor class to option set.\n"
"-v, --version Display dnsmasq version and copyright information.\n"
"-V, --alias=addr,addr,mask Translate IPv4 addresses from upstream servers.\n"
"-W, --srv-host=name,target,... Specify a SRV record.\n"
"-w, --help Display this message.\n"
"-x, --pid-file=path Specify path of PID file. (defaults to " RUNFILE ").\n"
"-X, --dhcp-lease-max=number Specify maximum number of DHCP leases (defaults to %d).\n"
"-y, --localise-queries Answer DNS queries based on the interface a query was sent to.\n"
"-Y --txt-record=name,txt.... Specify TXT DNS record.\n"
"-z, --bind-interfaces Bind only to interfaces in use.\n"
"-Z, --read-ethers Read DHCP static host information from " ETHERSFILE ".\n"
"-1, --enable-dbus Enable the DBus interface for setting upstream servers, etc.\n"
"-2, --no-dhcp-interface=interface Do not provide DHCP on this interface, only provide DNS.\n"
"-3, --bootp-dynamic Enable dynamic address allocation for bootp.\n"
"\n";
static const struct {
char * const flag;
char * const desc;
char * const arg;
} usage[] = {
{ "-a, --listen-address=ipaddr", gettext_noop("Specify local address(es) to listen on."), NULL },
{ "-A, --address=/domain/ipaddr", gettext_noop("Return ipaddr for all hosts in specified domains."), NULL },
{ "-b, --bogus-priv", gettext_noop("Fake reverse lookups for RFC1918 private address ranges."), NULL },
{ "-B, --bogus-nxdomain=ipaddr", gettext_noop("Treat ipaddr as NXDOMAIN (defeats Verisign wildcard)."), NULL },
{ "-c, --cache-size=cachesize", gettext_noop("Specify the size of the cache in entries (defaults to %s)."), "$" },
{ "-C, --conf-file=path", gettext_noop("Specify configuration file (defaults to %s)."), CONFFILE },
{ "-d, --no-daemon", gettext_noop("Do NOT fork into the background: run in debug mode."), NULL },
{ "-D, --domain-needed", gettext_noop("Do NOT forward queries with no domain part."), NULL },
{ "-e, --selfmx", gettext_noop("Return self-pointing MX records for local hosts."), NULL },
{ "-E, --expand-hosts", gettext_noop("Expand simple names in /etc/hosts with domain-suffix."), NULL },
{ "-f, --filterwin2k", gettext_noop("Don't forward spurious DNS requests from Windows hosts."), NULL },
{ "-F, --dhcp-range=ipaddr,ipaddr,time", gettext_noop("Enable DHCP in the range given with lease duration."), NULL },
{ "-g, --group=groupname", gettext_noop("Change to this group after startup (defaults to %s)."), CHGRP },
{ "-G, --dhcp-host=<hostspec>", gettext_noop("Set address or hostname for a specified machine."), NULL },
{ "-h, --no-hosts", gettext_noop("Do NOT load %s file."), HOSTSFILE },
{ "-H, --addn-hosts=path", gettext_noop("Specify a hosts file to be read in addition to %s."), HOSTSFILE },
{ "-i, --interface=interface", gettext_noop("Specify interface(s) to listen on."), NULL },
{ "-I, --except-interface=int", gettext_noop("Specify interface(s) NOT to listen on.") , NULL },
{ "-j, --dhcp-userclass=<id>,<class>", gettext_noop("Map DHCP user class to option set."), NULL },
{ "-J, --dhcp-ignore=<id>", gettext_noop("Don't do DHCP for hosts in option set."), NULL },
{ "-k, --keep-in-foreground", gettext_noop("Do NOT fork into the background, do NOT run in debug mode."), NULL },
{ "-K, --dhcp-authoritative", gettext_noop("Assume we are the only DHCP server on the local network."), NULL },
{ "-l, --dhcp-leasefile=path", gettext_noop("Specify where to store DHCP leases (defaults to %s)."), LEASEFILE },
{ "-L, --localmx", gettext_noop("Return MX records for local hosts."), NULL },
{ "-m, --mx-host=host_name,target,pref", gettext_noop("Specify an MX record."), NULL },
{ "-M, --dhcp-boot=<bootp opts>", gettext_noop("Specify BOOTP options to DHCP server."), NULL },
{ "-n, --no-poll", gettext_noop("Do NOT poll %s file, reload only on SIGHUP."), RESOLVFILE },
{ "-N, --no-negcache", gettext_noop("Do NOT cache failed search results."), NULL },
{ "-o, --strict-order", gettext_noop("Use nameservers strictly in the order given in %s."), RESOLVFILE },
{ "-O, --dhcp-option=<optspec>", gettext_noop("Set extra options to be set to DHCP clients."), NULL },
{ "-p, --port=number", gettext_noop("Specify port to listen for DNS requests on (defaults to 53)."), NULL },
{ "-P, --edns-packet-max=<size>", gettext_noop("Maximum supported UDP packet size for EDNS.0 (defaults to %s)."), "*" },
{ "-q, --log-queries", gettext_noop("Log queries."), NULL },
{ "-Q, --query-port=number", gettext_noop("Force the originating port for upstream queries."), NULL },
{ "-R, --no-resolv", gettext_noop("Do NOT read resolv.conf."), NULL },
{ "-r, --resolv-file=path", gettext_noop("Specify path to resolv.conf (defaults to %s)."), RESOLVFILE },
{ "-S, --server=/domain/ipaddr", gettext_noop("Specify address(es) of upstream servers with optional domains."), NULL },
{ " --local=/domain/", gettext_noop("Never forward queries to specified domains."), NULL },
{ "-s, --domain=domain", gettext_noop("Specify the domain to be assigned in DHCP leases."), NULL },
{ "-t, --mx-target=host_name", gettext_noop("Specify default target in an MX record."), NULL },
{ "-T, --local-ttl=time", gettext_noop("Specify time-to-live in seconds for replies from /etc/hosts."), NULL },
{ "-u, --user=username", gettext_noop("Change to this user after startup. (defaults to %s)."), CHUSER },
{ "-U, --dhcp-vendorclass=<id>,<class>", gettext_noop("Map DHCP vendor class to option set."), NULL },
{ "-v, --version", gettext_noop("Display dnsmasq version and copyright information."), NULL },
{ "-V, --alias=addr,addr,mask", gettext_noop("Translate IPv4 addresses from upstream servers."), NULL },
{ "-W, --srv-host=name,target,...", gettext_noop("Specify a SRV record."), NULL },
{ "-w, --help", gettext_noop("Display this message."), NULL },
{ "-x, --pid-file=path", gettext_noop("Specify path of PID file. (defaults to %s)."), RUNFILE },
{ "-X, --dhcp-lease-max=number", gettext_noop("Specify maximum number of DHCP leases (defaults to %s)."), "&" },
{ "-y, --localise-queries", gettext_noop("Answer DNS queries based on the interface a query was sent to."), NULL },
{ "-Y --txt-record=name,txt....", gettext_noop("Specify TXT DNS record."), NULL },
{ "-z, --bind-interfaces", gettext_noop("Bind only to interfaces in use."), NULL },
{ "-Z, --read-ethers", gettext_noop("Read DHCP static host information from %s."), ETHERSFILE },
{ "-1, --enable-dbus", gettext_noop("Enable the DBus interface for setting upstream servers, etc."), NULL },
{ "-2, --no-dhcp-interface=interface", gettext_noop("Do not provide DHCP on this interface, only provide DNS."), NULL },
{ "-3, --bootp-dynamic", gettext_noop("Enable dynamic address allocation for bootp."), NULL },
{ NULL, NULL, NULL }
};
/* We hide metacharaters in quoted strings by mapping them into the ASCII control
character space. Note that the \0, \t \a \b \r and \n characters are carefully placed in the
@@ -187,7 +187,7 @@ static const char * const usage =
The transformation gets undone by opt_canonicalise, atoi_check and safe_string_alloc, and a
couple of other places. */
static char meta[] = "\000123456\a\b\t\n78\r90abcdefABCDEF:,.";
static const char meta[] = "\000123456\a\b\t\n78\r90abcdefABCDEF:,.";
static char hide_meta(char c)
{
@@ -291,6 +291,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
char *p, *arg, *comma, *file_name_save = NULL, *conffile = CONFFILE;
int hosts_index = 1, conffile_set = 0;
int line_save = 0, lineno = 0;
opterr = 0;
memset(daemon, 0, sizeof(struct daemon));
@@ -390,7 +391,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
lastquote = p - buff;
}
else
complain("missing \"", lineno, conffile);
complain(_("missing \""), lineno, conffile);
}
if (white && *p == '#')
@@ -419,7 +420,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
option = opts[i].val;
if (!option)
{
complain("bad option", lineno, conffile);
complain(_("bad option"), lineno, conffile);
continue;
}
}
@@ -436,23 +437,46 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (errno == ENOENT && !conffile_set)
break; /* No conffile, all done. */
else
die("cannot read %s: %s", conffile);
die(_("cannot read %s: %s"), conffile);
}
}
if (!f && option == 'w')
{
printf (usage, CACHESIZ, EDNS_PKTSZ, MAXLEASES);
printf(_("Usage: dnsmasq [options]\n\n"));
#ifndef HAVE_GETOPT_LONG
printf(_("Use short options only on the command line.\n"));
#endif
printf(_("Valid options are :\n"));
for (i = 0; usage[i].flag; i++)
{
if (usage[i].arg)
{
if (strcmp(usage[i].arg, "$") == 0)
sprintf(buff, "%d", CACHESIZ);
else if (strcmp(usage[i].arg, "*") == 0)
sprintf(buff, "%d", EDNS_PKTSZ);
else if (strcmp(usage[i].arg, "&") == 0)
sprintf(buff, "%d", MAXLEASES);
else
strcpy(buff, usage[i].arg);
}
printf("%-36.36s", usage[i].flag);
printf(_(usage[i].desc), buff);
printf("\n");
}
exit(0);
}
if (!f && option == 'v')
{
printf("Dnsmasq version %s %s\n", VERSION, COPYRIGHT);
printf("Compile time options %s\n\n", compile_opts);
printf("This software comes with ABSOLUTELY NO WARRANTY.\n");
printf("Dnsmasq is free software, and you are welcome to redistribute it\n");
printf("under the terms of the GNU General Public License, version 2.\n");
printf(_("Dnsmasq version %s %s\n"), VERSION, COPYRIGHT);
printf(_("Compile time options %s\n\n"), compile_opts);
printf(_("This software comes with ABSOLUTELY NO WARRANTY.\n"));
printf(_("Dnsmasq is free software, and you are welcome to redistribute it\n"));
printf(_("under the terms of the GNU General Public License, version 2.\n"));
exit(0);
}
@@ -462,7 +486,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
daemon->options |= optmap[i].flag;
option = 0;
if (f && arg)
complain("extraneous parameter", lineno, conffile);
complain(_("extraneous parameter"), lineno, conffile);
break;
}
@@ -470,7 +494,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
{
if (f && !arg)
{
complain("missing parameter", lineno, conffile);
complain(_("missing parameter"), lineno, conffile);
continue;
}
@@ -487,7 +511,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
/* nest conffiles one deep */
if (file_save)
{
complain("nested includes not allowed", lineno, conffile);
complain(_("nested includes not allowed"), lineno, conffile);
continue;
}
file_name_save = conffile;
@@ -547,7 +571,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!atoi_check(prefstr, &pref))
{
option = '?';
problem = "bad MX preference";
problem = _("bad MX preference");
break;
}
}
@@ -556,7 +580,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!canonicalise_opt(arg) || (comma && !canonicalise_opt(comma)))
{
option = '?';
problem = "bad MX name";
problem = _("bad MX name");
break;
}
@@ -574,7 +598,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!canonicalise_opt(arg))
{
option = '?';
problem = "bad MX target";
problem = _("bad MX target");
}
else
daemon->mxtarget = safe_string_alloc(arg);
@@ -776,7 +800,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!atoi_check(portno+1, &source_port))
{
option = '?';
problem = "bad port";
problem = _("bad port");
}
}
}
@@ -787,7 +811,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!atoi_check(portno+1, &serv_port))
{
option = '?';
problem = "bad port";
problem = _("bad port");
}
}
@@ -927,7 +951,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
new->netid.net = NULL;
new->flags = 0;
problem = "bad dhcp-range";
problem = _("bad dhcp-range");
if (!arg)
{
@@ -987,7 +1011,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
leasepos = 3;
if (!is_same_net(new->start, new->end, new->netmask))
{
problem = "inconsistent DHCP range";
problem = _("inconsistent DHCP range");
option = '?';
}
}
@@ -1174,7 +1198,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (option == '?')
{
problem = "bad dhcp-host";
problem = _("bad dhcp-host");
if (new->flags & CONFIG_NAME)
free(new->hostname);
if (new->flags & CONFIG_CLID)
@@ -1234,7 +1258,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!arg || (new->opt = atoi(arg)) == 0)
{
option = '?';
problem = "bad dhcp-option";
problem = _("bad dhcp-option");
}
else if (comma && new->opt == 119 && !new->vendor_class)
{
@@ -1252,12 +1276,12 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!canonicalise_opt(arg))
{
option = '?';
problem = "bad domain in dhcp-option";
problem = _("bad domain in dhcp-option");
break;
}
if (!(p = realloc(p, len + strlen(arg) + 2)))
die("could not get memory", NULL);
die(_("could not get memory"), NULL);
q = p + len;
/* add string on the end in RFC1035 format */
@@ -1398,7 +1422,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (new->len > 255)
{
option = '?';
problem = "dhcp-option too long";
problem = _("dhcp-option too long");
}
if (option == '?')
@@ -1578,7 +1602,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!canonicalise_opt(arg))
{
option = '?';
problem = "bad TXT record";
problem = _("bad TXT record");
break;
}
@@ -1610,7 +1634,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (option == '?')
{
problem = "TXT record string too long";
problem = _("TXT record string too long");
break;
}
@@ -1649,7 +1673,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!canonicalise_opt(arg))
{
option = '?';
problem = "bad SRV record";
problem = _("bad SRV record");
break;
}
name = safe_string_alloc(arg);
@@ -1662,7 +1686,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!canonicalise_opt(arg))
{
option = '?';
problem = "bad SRV target";
problem = _("bad SRV target");
break;
}
target = safe_string_alloc(arg);
@@ -1674,7 +1698,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!atoi_check(arg, &port))
{
option = '?';
problem = "invalid port number";
problem = _("invalid port number");
break;
}
if (comma)
@@ -1685,7 +1709,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!atoi_check(arg, &priority))
{
option = '?';
problem = "invalid priority";
problem = _("invalid priority");
break;
}
if (comma)
@@ -1696,7 +1720,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (!atoi_check(arg, &weight))
{
option = '?';
problem = "invalid weight";
problem = _("invalid weight");
break;
}
}
@@ -1721,13 +1745,15 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
if (option == '?')
{
if (f)
complain( problem ? problem : "error", lineno, conffile);
complain( problem ? problem : _("error"), lineno, conffile);
else
die(_("bad command line options: %s."),
#ifdef HAVE_GETOPT_LONG
die("bad command line options: %s.", problem ? problem : "try --help");
problem ? problem : "try --help"
#else
die("bad command line options: %s.", problem ? problem : "try -w");
problem ? problem : "try -w"
#endif
);
}
}
@@ -1765,7 +1791,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
struct mx_srv_record *mx;
if (gethostname(buff, MAXDNAME) == -1)
die("cannot get host-name: %s", NULL);
die(_("cannot get host-name: %s"), NULL);
for (mx = daemon->mxnames; mx; mx = mx->next)
if (!mx->issrv && hostname_isequal(mx->name, buff))
@@ -1794,17 +1820,17 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
else if (daemon->resolv_files &&
(daemon->resolv_files)->next &&
(daemon->options & OPT_NO_POLL))
die("only one resolv.conf file allowed in no-poll mode.", NULL);
die(_("only one resolv.conf file allowed in no-poll mode."), NULL);
if (daemon->options & OPT_RESOLV_DOMAIN)
{
char *line;
if (!daemon->resolv_files || (daemon->resolv_files)->next)
die("must have exactly one resolv.conf to read domain from.", NULL);
die(_("must have exactly one resolv.conf to read domain from."), NULL);
if (!(f = fopen((daemon->resolv_files)->name, "r")))
die("failed to read %s: %m", (daemon->resolv_files)->name);
die(_("failed to read %s: %m"), (daemon->resolv_files)->name);
while ((line = fgets(buff, MAXDNAME, f)))
{
@@ -1822,7 +1848,7 @@ struct daemon *read_opts (int argc, char **argv, char *compile_opts)
fclose(f);
if (!daemon->domain_suffix)
die("no search directive found in %s", (daemon->resolv_files)->name);
die(_("no search directive found in %s"), (daemon->resolv_files)->name);
}
if (daemon->domain_suffix)