Fix conflicts.

This commit is contained in:
David E. O'Brien 2000-07-20 08:44:53 +00:00
parent 46814e0b72
commit 3074027e68
2 changed files with 159 additions and 93 deletions

View File

@ -42,7 +42,8 @@
#ifndef lint
static char copyright[] =
"$Id: clparse.c,v 1.13.2.4 1999/03/29 21:21:37 mellon Exp $ Copyright (c) 1997 The Internet Software Consortium. All rights reserved.\n";
"$Id: clparse.c,v 1.13.2.5 2000/07/20 05:06:40 mellon Exp $ Copyright (c) 1997 The Internet Software Consortium. All rights reserved.\n"
"$FreeBSD$\n";
#endif /* not lint */
#include "dhcpd.h"
@ -50,6 +51,8 @@ static char copyright[] =
struct client_config top_level_config;
char client_script_name [] = "/sbin/dhclient-script";
/* client-conf-file :== client-declarations EOF
client-declarations :== <nil>
| client-declaration
@ -79,7 +82,7 @@ int read_client_conf ()
top_level_config.backoff_cutoff = 15;
top_level_config.initial_interval = 3;
top_level_config.bootp_policy = ACCEPT;
top_level_config.script_name = "/sbin/dhclient-script";
top_level_config.script_name = client_script_name;
top_level_config.requested_options
[top_level_config.requested_option_count++] =
DHO_SUBNET_MASK;

View File

@ -56,7 +56,7 @@
#ifndef lint
static char ocopyright[] =
"$Id: dhclient.c,v 1.44.2.44 2000/01/26 12:51:11 mellon Exp $ Copyright (c) 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium. All rights reserved.\n"
"$Id: dhclient.c,v 1.44.2.45 2000/07/20 05:06:41 mellon Exp $ Copyright (c) 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium. All rights reserved.\n"
"$FreeBSD$\n";
#endif /* not lint */
@ -141,6 +141,10 @@ int main (argc, argv, envp)
no_daemon = 1;
} else if (!strcmp (argv [i], "-D")) {
save_scripts = 1;
} else if (!strcmp (argv [i], "-cf")) {
if (++i == argc)
usage (s);
path_dhclient_conf = argv [i];
} else if (!strcmp (argv [i], "-pf")) {
if (++i == argc)
usage (s);
@ -1907,38 +1911,24 @@ void script_init (ip, reason, medium)
char *reason;
struct string_list *medium;
{
int fd;
#ifndef HAVE_MKSTEMP
struct string_list *sl, *next;
do {
#endif
strcpy (scriptName, "/tmp/dcsXXXXXX");
#ifdef HAVE_MKSTEMP
fd = mkstemp (scriptName);
#else
if (!mktemp (scriptName))
error ("can't create temporary client script %s: %m",
scriptName);
fd = open (scriptName, O_EXCL | O_CREAT | O_WRONLY, 0600);
} while (fd < 0 && errno == EEXIST);
#endif
if (fd < 0)
error ("can't create temporary script %s: %m", scriptName);
scriptFile = fdopen (fd, "w");
if (!scriptFile)
error ("can't write script file: %m");
fprintf (scriptFile, "#!/bin/sh\n\n");
if (ip) {
fprintf (scriptFile, "interface=\"%s\"\n", ip -> name);
fprintf (scriptFile, "export interface\n");
for (sl = ip -> client -> env; sl; sl = next) {
next = sl -> next;
dfree (sl, "script_init");
}
ip -> client -> env = (struct string_list *)0;
ip -> client -> envc = 0;
client_envadd (ip -> client, "", "interface", "%s",
ip -> name);
if (medium)
client_envadd (ip -> client,
"", "medium", "%s", medium -> string);
client_envadd (ip -> client, "", "reason", "%s", reason);
}
if (medium) {
fprintf (scriptFile, "medium=\"%s\"\n", medium -> string);
fprintf (scriptFile, "export medium\n");
}
fprintf (scriptFile, "reason=\"%s\"\n", reason);
fprintf (scriptFile, "export reason\n");
}
void script_write_params (ip, prefix, lease)
@ -1950,9 +1940,8 @@ void script_write_params (ip, prefix, lease)
u_int8_t dbuf [1500];
int len;
fprintf (scriptFile, "%sip_address=\"%s\"\n",
prefix, piaddr (lease -> address));
fprintf (scriptFile, "export %sip_address\n", prefix);
client_envadd (ip -> client,
prefix, "ip_address", "%s", piaddr (lease -> address));
/* For the benefit of Linux (and operating systems which may
have similar needs), compute the network address based on
@ -1973,36 +1962,26 @@ void script_write_params (ip, prefix, lease)
subnet = subnet_number (lease -> address, netmask);
if (subnet.len) {
fprintf (scriptFile, "%snetwork_number=\"%s\";\n",
prefix, piaddr (subnet));
fprintf (scriptFile, "export %snetwork_number\n",
prefix);
client_envadd (ip -> client, prefix, "network_number",
"%s", piaddr (subnet));
if (!lease -> options [DHO_BROADCAST_ADDRESS].len) {
broadcast = broadcast_addr (subnet, netmask);
if (broadcast.len) {
fprintf (scriptFile,
"%s%s=\"%s\";\n", prefix,
"broadcast_address",
piaddr (broadcast));
fprintf (scriptFile,
"export %s%s\n", prefix,
"broadcast_address");
client_envadd (ip -> client,
prefix, "broadcast_address",
"%s", piaddr (subnet));
}
}
}
}
if (lease -> filename) {
fprintf (scriptFile, "%sfilename=\"%s\";\n",
prefix, lease -> filename);
fprintf (scriptFile, "export %sfilename\n", prefix);
}
if (lease -> server_name) {
fprintf (scriptFile, "%sserver_name=\"%s\";\n",
prefix, lease -> server_name);
fprintf (scriptFile, "export %sserver_name\n", prefix);
}
if (lease -> filename)
client_envadd (ip -> client,
prefix, "filename", "%s", lease -> filename);
if (lease -> server_name)
client_envadd (ip -> client, prefix, "server_name",
"%s", lease -> server_name);
for (i = 0; i < 256; i++) {
u_int8_t *dp;
@ -2075,57 +2054,141 @@ void script_write_params (ip, prefix, lease)
len = 0;
}
if (len) {
char *s = dhcp_option_ev_name (&dhcp_options [i]);
fprintf (scriptFile, "%s%s=\"%s\"\n", prefix, s,
pretty_print_option (i, dp, len, 0, 0));
fprintf (scriptFile, "export %s%s\n", prefix, s);
char name [256];
if (dhcp_option_ev_name (name, sizeof name,
&dhcp_options [i])) {
client_envadd (ip -> client, prefix, name, "%s",
(pretty_print_option (i, dp,
len, 0, 0)));
}
}
}
fprintf (scriptFile, "%sexpiry=\"%d\"\n",
prefix, (int)lease -> expiry); /* XXX */
fprintf (scriptFile, "export %sexpiry\n", prefix);
client_envadd (ip -> client,
prefix, "expiry", "%d", (int)(lease -> expiry));
}
int script_go (ip)
struct interface_info *ip;
{
int rval;
if (ip)
fprintf (scriptFile, "%s\n",
ip -> client -> config -> script_name);
else
fprintf (scriptFile, "%s\n",
top_level_config.script_name);
fprintf (scriptFile, "exit $?\n");
fclose (scriptFile);
chmod (scriptName, 0700);
rval = system (scriptName);
if (!save_scripts)
unlink (scriptName);
return rval;
}
char *dhcp_option_ev_name (option)
struct option *option;
{
static char evbuf [256];
char *scriptName;
char *argv [2];
char **envp;
char *epp [3];
char reason [] = "REASON=NBI";
static char client_path [] = CLIENT_PATH;
int i;
struct string_list *sp, *next;
int pid, wpid, wstatus;
if (strlen (option -> name) + 1 > sizeof evbuf)
error ("option %s name is larger than static buffer.");
for (i = 0; option -> name [i]; i++) {
if (option -> name [i] == '-')
evbuf [i] = '_';
else
evbuf [i] = option -> name [i];
if (ip) {
scriptName = ip -> client -> config -> script_name;
envp = dmalloc ((ip -> client -> envc + 2) * sizeof (char *),
"script_go");
if (!envp) {
error ("No memory for client script environment.");
return 0;
}
i = 0;
for (sp = ip -> client -> env; sp; sp = sp -> next) {
envp [i++] = sp -> string;
}
envp [i++] = client_path;
envp [i] = (char *)0;
} else {
scriptName = top_level_config.script_name;
epp [0] = reason;
epp [1] = client_path;
epp [2] = (char *)0;
envp = epp;
}
evbuf [i] = 0;
return evbuf;
argv [0] = scriptName;
argv [1] = (char *)0;
pid = fork ();
if (pid < 0) {
error ("fork: %m");
wstatus = 0;
} else if (pid) {
do {
wpid = wait (&wstatus);
} while (wpid != pid && wpid > 0);
if (wpid < 0) {
error ("wait: %m");
wstatus = 0;
}
} else {
execve (scriptName, argv, envp);
error ("execve (%s, ...): %m", scriptName);
exit (0);
}
if (ip) {
for (sp = ip -> client -> env; sp; sp = next) {
next = sp -> next;
dfree (sp, "script_go");
}
ip -> client -> env = (struct string_list *)0;
ip -> client -> envc = 0;
dfree (envp, "script_go");
}
return wstatus & 0xff;
}
void client_envadd (struct client_state *client,
const char *prefix, const char *name, const char *fmt, ...)
{
char spbuf [1024];
char *s;
unsigned len, i;
struct string_list *val;
va_list list;
va_start (list, fmt);
len = vsnprintf (spbuf, sizeof spbuf, fmt, list);
va_end (list);
val = dmalloc (strlen (prefix) + strlen (name) + 1 /* = */ +
len + sizeof *val, "client_envadd");
if (!val)
return;
s = val -> string;
strcpy (s, prefix);
strcat (s, name);
s += strlen (s);
*s++ = '=';
if (len >= sizeof spbuf) {
va_start (list, fmt);
vsnprintf (s, len + 1, fmt, list);
va_end (list);
} else
strcpy (s, spbuf);
val -> next = client -> env;
client -> env = val;
client -> envc++;
}
int dhcp_option_ev_name (buf, buflen, option)
char *buf;
unsigned buflen;
struct option *option;
{
int i;
for (i = 0; option -> name [i]; i++) {
if (i + 1 == buflen)
return 0;
if (option -> name [i] == '-')
buf [i] = '_';
else
buf [i] = option -> name [i];
}
buf [i] = 0;
return 1;
}
void go_daemon ()
{
static int state = 0;