start attempting to bring udhcp in busybox back to the state where it is (ideally) an exact copy of udhcp outside of busybox so that its easy to merge back and forth

This commit is contained in:
Russ Dill 2003-12-16 02:28:20 +00:00
parent 7becf5987a
commit 4b77acafa6
3 changed files with 80 additions and 6 deletions

View File

@ -75,6 +75,35 @@ struct client_config_t client_config = {
arp: "\0\0\0\0\0\0", /* appease gcc-3.0 */ arp: "\0\0\0\0\0\0", /* appease gcc-3.0 */
}; };
#ifndef IN_BUSYBOX
static void __attribute__ ((noreturn)) show_usage(void)
{
printf(
"Usage: udhcpc [OPTIONS]\n\n"
" -c, --clientid=CLIENTID Client identifier\n"
" -H, --hostname=HOSTNAME Client hostname\n"
" -h Alias for -H\n"
" -f, --foreground Do not fork after getting lease\n"
" -b, --background Fork to background if lease cannot be\n"
" immediately negotiated.\n"
" -i, --interface=INTERFACE Interface to use (default: eth0)\n"
" -n, --now Exit with failure if lease cannot be\n"
" immediately negotiated.\n"
" -p, --pidfile=file Store process ID of daemon in file\n"
" -q, --quit Quit after obtaining lease\n"
" -r, --request=IP IP address to request (default: none)\n"
" -s, --script=file Run file at dhcp events (default:\n"
" " DEFAULT_SCRIPT ")\n"
" -v, --version Display version\n"
);
exit(0);
}
#else
#define show_usage bb_show_usage
extern void show_usage(void) __attribute__ ((noreturn));
#endif
/* just a little helper */ /* just a little helper */
static void change_mode(int new_mode) static void change_mode(int new_mode)
{ {
@ -233,7 +262,7 @@ int udhcpc_main(int argc, char *argv[])
return(0); return(0);
break; break;
default: default:
bb_show_usage(); show_usage();
} }
} }

View File

@ -1,6 +1,7 @@
#include <fcntl.h> #include <fcntl.h>
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
#include <stdio.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <arpa/inet.h> #include <arpa/inet.h>
#include <netdb.h> #include <netdb.h>
@ -12,12 +13,32 @@
#include <time.h> #include <time.h>
#include "leases.h" #include "leases.h"
#include "busybox.h" #include "libbb_udhcp.h"
#define REMAINING 0 #define REMAINING 0
#define ABSOLUTE 1 #define ABSOLUTE 1
#ifndef IN_BUSYBOX
static void __attribute__ ((noreturn)) show_usage(void)
{
printf(
"Usage: dumpleases -f <file> -[r|a]\n\n"
" -f, --file=FILENAME Leases file to load\n"
" -r, --remaining Interepret lease times as time remaing\n"
" -a, --absolute Interepret lease times as expire time\n");
exit(0);
}
#else
#define show_usage bb_show_usage
#endif
#ifdef IN_BUSYBOX
int dumpleases_main(int argc, char *argv[]) int dumpleases_main(int argc, char *argv[])
#else
int main(int argc, char *argv[])
#endif
{ {
FILE *fp; FILE *fp;
int i, c, mode = REMAINING; int i, c, mode = REMAINING;
@ -42,14 +63,14 @@ int dumpleases_main(int argc, char *argv[])
case 'a': mode = ABSOLUTE; break; case 'a': mode = ABSOLUTE; break;
case 'r': mode = REMAINING; break; case 'r': mode = REMAINING; break;
case 'f': case 'f':
file = optarg; file = optarg;
break; break;
default: default:
bb_show_usage(); show_usage();
} }
} }
fp = bb_xfopen(file, "r"); fp = xfopen(file, "r");
printf("Mac Address IP-Address Expires %s\n", mode == REMAINING ? "in" : "at"); printf("Mac Address IP-Address Expires %s\n", mode == REMAINING ? "in" : "at");
/* "00:00:00:00:00:00 255.255.255.255 Wed Jun 30 21:49:08 1993" */ /* "00:00:00:00:00:00 255.255.255.255 Wed Jun 30 21:49:08 1993" */

View File

@ -4,7 +4,7 @@
#define _LIBBB_UDHCP_H #define _LIBBB_UDHCP_H
#ifdef IN_BUSYBOX #ifdef IN_BUSYBOX
#include "libbb.h" #include "busybox.h"
#ifdef CONFIG_FEATURE_UDHCP_SYSLOG #ifdef CONFIG_FEATURE_UDHCP_SYSLOG
#define SYSLOG #define SYSLOG
@ -17,12 +17,36 @@
#define COMBINED_BINARY #define COMBINED_BINARY
#include "version.h" #include "version.h"
#ifdef CONFIG_INSTALL_NO_USR
#define DEFAULT_SCRIPT "/share/udhcpc/default.script"
#else
#define DEFAULT_SCRIPT "/usr/share/udhcpc/default.script"
#endif
#define xfopen bb_xfopen
#else /* ! BB_VER */ #else /* ! BB_VER */
#include <stdlib.h>
#include <stdio.h>
#define TRUE 1 #define TRUE 1
#define FALSE 0 #define FALSE 0
#define xmalloc malloc #define xmalloc malloc
#define xcalloc calloc
#define DEFAULT_SCRIPT "/usr/share/udhcpc/default.script"
static inline FILE *xfopen(const char *file, const char *mode)
{
FILE *fp;
if (!(fp = fopen(file, mode))) {
perror("could not open input file");
exit(0);
}
return fp;
}
#endif /* BB_VER */ #endif /* BB_VER */