Added a package for fconfig, which allows you to modify RedBoot configuration parameters from linux.

1 files changed, 177 insertions, 0 deletions

diff --git a/package/fconfig/fconfig-listmode.patch b/package/fconfig/fconfig-listmode.patch
new file mode 100644
index 000000000..e7f2418f2
--- /dev/null
+++ b/package/fconfig/fconfig-listmode.patch
@@ -0,0 +1,177 @@
+diff -x.svn -u fconfig/crunchfc.c ../../../snapgear_avila/user/fconfig/crunchfc.c
+--- fconfig/crunchfc.c	2006-03-15 01:18:17.000000000 +1100
++++ ../../../snapgear_avila/user/fconfig/crunchfc.c	2007-09-06 13:48:38.000000000 +1000
+@@ -320,6 +320,48 @@
+ }
+ 
+ /*
++ * List known keys.
++ */
++int8_t list_keys(struct config_data *data)
++{
++	struct fconfig_key key;
++	uint32_t len = data->reallen;
++	uint8_t *keyptr = NULL;
++	uint8_t *ptr = data->buf+8;
++	uint8_t *ptrend = data->buf+len-9;
++	printer_t printer;
++
++	while (ptr < ptrend-4) {
++		keyptr = ptr;
++		ptr = get_key(ptr, &key);
++		if (ptr == NULL) {
++			MESSAGE(VERB_LOW, "Error in structure\n");
++			return -1;
++		}
++		if (ptr > ptrend) {
++			MESSAGE(VERB_LOW, "Parser went out of struct!\n");
++			return -1;
++		}
++
++		if ((key.type == 0) && (key.namelen==0)) {
++			MESSAGE(VERB_NORMAL, "EOF reached - key not found\n");
++			return -1;
++		}
++		
++		print_key(&key, VERB_HIGH, data->swab);
++
++		printf("%s: ", key.keyname);
++		printer = TYPE_PRINTER(key.type);
++		if (printer == NULL) {
++			MESSAGE(VERB_LOW, "Printer missing for type %d\n", key.type);
++			return -1;
++		}	
++		printer(key.dataval);
++		printf("\n");
++	}
++}
++
++/*
+  * Find a key with given nickname, check its type and set value
+  * Assumes that verify_fconfig() has been called on 'data' before. 
+  */
+diff -x.svn -u fconfig/crunchfc.h ../../../snapgear_avila/user/fconfig/crunchfc.h
+--- fconfig/crunchfc.h	2006-03-15 01:18:17.000000000 +1100
++++ ../../../snapgear_avila/user/fconfig/crunchfc.h	2007-09-06 13:48:38.000000000 +1000
+@@ -31,6 +31,7 @@
+ int8_t verify_fconfig(struct config_data *data);
+ int8_t get_key_value(struct config_data *data, uint8_t *nickname);
+ int8_t set_key_value(struct config_data *data, uint8_t *nickname, void *value);
++int8_t list_keys(struct config_data *data);
+ void recalculate_crc(struct config_data *data);
+ 
+ #endif //CRUNCHFC_H
+diff -x.svn -u fconfig/fconfig.c ../../../snapgear_avila/user/fconfig/fconfig.c
+--- fconfig/fconfig.c	2006-03-15 01:18:18.000000000 +1100
++++ ../../../snapgear_avila/user/fconfig/fconfig.c	2007-09-06 13:48:38.000000000 +1000
+@@ -35,8 +35,9 @@
+ #include <string.h>
+ #include <unistd.h>
+ #include <fcntl.h>
++#include <getopt.h>
+ 
+ #include "debug.h"
+ #include "ftypes.h"
+ #include "crunchfc.h"
+ 
+@@ -72,7 +73,7 @@
+ 	}
+ 
+ 	fputs("Read or write Redboot configuration\n", stdout);
+-	fputs("usage: fconfig [-r|-w] -d dev -n nickname -x value\n", stdout);
++	fputs("usage: fconfig [-r|-w|-l] -d dev -n nickname -x value\n", stdout);
+ 	fputs("'dev' may be a char device, block device or a file\n", stdout);
+ 	fputs("Supported types: \n", stdout);
+ 	for (i = 0; i < NUM_TYPES; i++) {
+@@ -181,7 +182,33 @@
+ 	close_fconfig_handle(data);
+ 	return 0;
+ 
+-exit_fail: 
++exit_fail:
++	close_fconfig_handle(data);
++	return 1;
++}
++
++/*
++ * List mode of operation: list parameter values from the configuration.
++ */
++static int list_mode(struct config_data *data, uint8_t *device)
++{
++	if (get_fconfig_handle(data, device, O_RDONLY) == NULL) {
++		MESSAGE(VERB_LOW, "Could not get a config data handle!\n");
++		return 1;
++	}
++	if (verify_fconfig(data)) {
++		MESSAGE(VERB_LOW, "Config verification failed!\n");
++		goto exit_fail;
++	}
++
++	if (list_keys(data)) {
++		goto exit_fail;
++	}
++
++	close_fconfig_handle(data);
++	return 0;
++
++exit_fail:
+ 	close_fconfig_handle(data);
+ 	return 1;
+ }
+@@ -189,6 +216,7 @@
+ #define MODE_NONE 0
+ #define MODE_WRITE 1
+ #define MODE_READ 2
++#define MODE_LIST 3
+ 
+ /*
+  * main(). ...nuff said.
+@@ -202,14 +230,17 @@
+ 	uint8_t *value = NULL;
+ 	uint8_t *device = NULL;
+ 
+-	while ((c = getopt(argc, argv, "hrwvsd:n:x:")) != -1) {
++	while ((c = getopt(argc, argv, "hrwlvsd:n:x:")) != -1) {
+ 		switch (c) {
+ 		case 'r':
+ 			mode = MODE_READ;
+ 			break;
+-		case 'w': 
++		case 'w':
+ 			mode = MODE_WRITE;
+ 			break;
++		case 'l':
++			mode = MODE_LIST;
++			break;
+ 		case 'n':
+ 			nickname = optarg;
+ 			break;
+@@ -240,7 +271,7 @@
+ 	MESSAGE(VERB_NORMAL, "Normal verbosity messages are printed.\n");
+ 	MESSAGE(VERB_HIGH, "High verbosity messages are printed.\n");
+ 
+-	if (nickname == NULL) {
++	if (nickname == NULL && mode != MODE_LIST) {
+ 		usage();
+ 		exit(1);
+ 	}
+@@ -251,13 +282,16 @@
+ 	}
+ 
+ 	switch (mode) {
+-		case MODE_WRITE : 
++		case MODE_WRITE :
+ 			ret = write_mode(&data, device, nickname, value);
+ 			break;
+-		case MODE_READ : 
++		case MODE_READ :
+ 			ret = read_mode(&data, device, nickname);
+ 			break;
+-		default : 
++		case MODE_LIST :
++			ret = list_mode(&data, device);
++			break;
++		default :
+ 			MESSAGE(VERB_LOW, "Unknown mode of operation\n");
+ 			usage();
+ 			ret = 1;