hush/patches/udhcp_additional_items.diff

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Index: include/usage.h
===================================================================
RCS file: /var/cvs/busybox/include/usage.h,v
retrieving revision 1.191
diff -u -r1.191 usage.h
--- a/include/usage.h 25 Feb 2004 10:35:55 -0000 1.191
+++ b/include/usage.h 5 Mar 2004 14:32:45 -0000
@@ -2606,6 +2606,7 @@
"\t-p,\t--pidfile=file\tStore process ID of daemon in file\n" \
"\t-q,\t--quit\tQuit after obtaining lease\n" \
"\t-r,\t--request=IP\tIP address to request (default: none)\n" \
+ "\t-R,\t--require=NAME\tAdd NAME to request\n" \
"\t-s,\t--script=file\tRun file at dhcp events (default: /usr/share/udhcpc/default.script)\n" \
"\t-v,\t--version\tDisplay version"
Index: networking/udhcp/README.udhcpc
===================================================================
RCS file: /var/cvs/busybox/networking/udhcp/README.udhcpc,v
retrieving revision 1.3
diff -u -r1.3 README.udhcpc
--- a/networking/udhcp/README.udhcpc 11 Dec 2002 21:12:44 -0000 1.3
+++ b/networking/udhcp/README.udhcpc 5 Mar 2004 14:32:46 -0000
@@ -22,6 +22,7 @@
-p, --pidfile=file Store process ID of daemon in file
-q, --quit Quit after obtaining lease
-r, --request=IP IP address to request (default: none)
+-R, --require=NAME Add NAME to request
-s, --script=file Run file at dhcp events (default:
/usr/share/udhcpc/default.script)
-v, --version Display version
@@ -101,6 +102,8 @@
additional options are easily added in options.c.
+By default, only a few basic items are requested. To request additional
+items use the -R option. Example: "-R rootpath"
note on udhcpc's random seed
---------------------------
Index: networking/udhcp/dhcpc.c
===================================================================
RCS file: /var/cvs/busybox/networking/udhcp/dhcpc.c,v
retrieving revision 1.16
diff -u -r1.16 dhcpc.c
--- a/networking/udhcp/dhcpc.c 30 Jan 2004 23:45:12 -0000 1.16
+++ b/networking/udhcp/dhcpc.c 5 Mar 2004 14:32:46 -0000
@@ -88,6 +88,7 @@
" -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"
+" -R, --require=NAME Add NAME to the request\n"
" -s, --script=file Run file at dhcp events (default:\n"
" " DEFAULT_SCRIPT ")\n"
" -v, --version Display version\n"
@@ -203,6 +204,7 @@
{"pidfile", required_argument, 0, 'p'},
{"quit", no_argument, 0, 'q'},
{"request", required_argument, 0, 'r'},
+ {"require", required_argument, 0, 'R'},
{"script", required_argument, 0, 's'},
{"version", no_argument, 0, 'v'},
{0, 0, 0, 0}
@@ -211,7 +213,7 @@
/* get options */
while (1) {
int option_index = 0;
- c = getopt_long(argc, argv, "c:fbH:h:i:np:qr:s:v", arg_options, &option_index);
+ c = getopt_long(argc, argv, "c:fbH:h:i:np:qr:R:s:v", arg_options, &option_index);
if (c == -1) break;
switch (c) {
@@ -254,6 +256,11 @@
case 'r':
requested_ip = inet_addr(optarg);
break;
+ case 'R':
+ if (require_option(optarg)) {
+ fprintf(stderr,"WARNING: %s unknown/not-supported (Ignored)\n", optarg );
+ }
+ break;
case 's':
client_config.script = optarg;
break;
Index: networking/udhcp/options.c
===================================================================
RCS file: /var/cvs/busybox/networking/udhcp/options.c,v
retrieving revision 1.7
diff -u -r1.7 options.c
--- a/networking/udhcp/options.c 30 Jan 2004 23:45:12 -0000 1.7
+++ b/networking/udhcp/options.c 5 Mar 2004 14:32:46 -0000
@@ -57,7 +57,19 @@
[OPTION_S32] = 4
};
-
+/* find and mark requested item as required */
+int require_option(char *name)
+{
+ int i;
+ for (i = 0; dhcp_options[i].code; i++) {
+ if (strcmp(name, dhcp_options[i].name) == 0 ){
+ dhcp_options[i].flags |= OPTION_REQ;
+ return 0;
+ }
+ }
+ return 1;
+}
+
/* get an option with bounds checking (warning, not aligned). */
uint8_t *get_option(struct dhcpMessage *packet, int code)
{
Index: networking/udhcp/options.h
===================================================================
RCS file: /var/cvs/busybox/networking/udhcp/options.h,v
retrieving revision 1.5
diff -u -r1.5 options.h
--- a/networking/udhcp/options.h 30 Jan 2004 23:45:12 -0000 1.5
+++ b/networking/udhcp/options.h 5 Mar 2004 14:32:46 -0000
@@ -30,6 +30,7 @@
extern struct dhcp_option dhcp_options[];
extern int option_lengths[];
+int require_option(char *name);
uint8_t *get_option(struct dhcpMessage *packet, int code);
int end_option(uint8_t *optionptr);
int add_option_string(uint8_t *optionptr, uint8_t *string);