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Diffstat (limited to 'package/system/utils/nvram/src/cli.c')
| -rw-r--r-- | package/system/utils/nvram/src/cli.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/package/system/utils/nvram/src/cli.c b/package/system/utils/nvram/src/cli.c deleted file mode 100644 index 66ef904..0000000 --- a/package/system/utils/nvram/src/cli.c +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Command line interface for libnvram - * - * Copyright 2009, Jo-Philipp Wich <xm@subsignal.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * - * The libnvram code is based on Broadcom code for Linux 2.4.x . - * - */ - -#include "nvram.h" - - -static nvram_handle_t * nvram_open_rdonly(void) -{ - const char *file = nvram_find_staging(); - - if( file == NULL ) - file = nvram_find_mtd(); - - if( file != NULL ) - return nvram_open(file, NVRAM_RO); - - return NULL; -} - -static nvram_handle_t * nvram_open_staging(void) -{ - if( nvram_find_staging() != NULL || nvram_to_staging() == 0 ) - return nvram_open(NVRAM_STAGING, NVRAM_RW); - - return NULL; -} - -static int do_show(nvram_handle_t *nvram) -{ - nvram_tuple_t *t; - int stat = 1; - - if( (t = nvram_getall(nvram)) != NULL ) - { - while( t ) - { - printf("%s=%s\n", t->name, t->value); - t = t->next; - } - - stat = 0; - } - - return stat; -} - -static int do_get(nvram_handle_t *nvram, const char *var) -{ - const char *val; - int stat = 1; - - if( (val = nvram_get(nvram, var)) != NULL ) - { - printf("%s\n", val); - stat = 0; - } - - return stat; -} - -static int do_unset(nvram_handle_t *nvram, const char *var) -{ - return nvram_unset(nvram, var); -} - -static int do_set(nvram_handle_t *nvram, const char *pair) -{ - char *val = strstr(pair, "="); - char var[strlen(pair)]; - int stat = 1; - - if( val != NULL ) - { - memset(var, 0, sizeof(var)); - strncpy(var, pair, (int)(val-pair)); - stat = nvram_set(nvram, var, (char *)(val + 1)); - } - - return stat; -} - -static int do_info(nvram_handle_t *nvram) -{ - nvram_header_t *hdr = nvram_header(nvram); - - /* CRC8 over the last 11 bytes of the header and data bytes */ - uint8_t crc = hndcrc8((unsigned char *) &hdr[0] + NVRAM_CRC_START_POSITION, - hdr->len - NVRAM_CRC_START_POSITION, 0xff); - - /* Show info */ - printf("Magic: 0x%08X\n", hdr->magic); - printf("Length: 0x%08X\n", hdr->len); - printf("Offset: 0x%08X\n", nvram->offset); - - printf("CRC8: 0x%02X (calculated: 0x%02X)\n", - hdr->crc_ver_init & 0xFF, crc); - - printf("Version: 0x%02X\n", (hdr->crc_ver_init >> 8) & 0xFF); - printf("SDRAM init: 0x%04X\n", (hdr->crc_ver_init >> 16) & 0xFFFF); - printf("SDRAM config: 0x%04X\n", hdr->config_refresh & 0xFFFF); - printf("SDRAM refresh: 0x%04X\n", (hdr->config_refresh >> 16) & 0xFFFF); - printf("NCDL values: 0x%08X\n\n", hdr->config_ncdl); - - printf("%i bytes used / %i bytes available (%.2f%%)\n", - hdr->len, NVRAM_SPACE - hdr->len, - (100.00 / (double)NVRAM_SPACE) * (double)hdr->len); - - return 0; -} - - -int main( int argc, const char *argv[] ) -{ - nvram_handle_t *nvram; - int commit = 0; - int write = 0; - int stat = 1; - int done = 0; - int i; - - /* Ugly... iterate over arguments to see whether we can expect a write */ - for( i = 1; i < argc; i++ ) - if( ( !strcmp(argv[i], "set") && ++i < argc ) || - ( !strcmp(argv[i], "unset") && ++i < argc ) || - !strcmp(argv[i], "commit") ) - { - write = 1; - break; - } - - - nvram = write ? nvram_open_staging() : nvram_open_rdonly(); - - if( nvram != NULL && argc > 1 ) - { - for( i = 1; i < argc; i++ ) - { - if( !strcmp(argv[i], "show") ) - { - stat = do_show(nvram); - done++; - } - else if( !strcmp(argv[i], "info") ) - { - stat = do_info(nvram); - done++; - } - else if( !strcmp(argv[i], "get") || !strcmp(argv[i], "unset") || !strcmp(argv[i], "set") ) - { - if( (i+1) < argc ) - { - switch(argv[i++][0]) - { - case 'g': - stat = do_get(nvram, argv[i]); - break; - - case 'u': - stat = do_unset(nvram, argv[i]); - break; - - case 's': - stat = do_set(nvram, argv[i]); - break; - } - done++; - } - else - { - fprintf(stderr, "Command '%s' requires an argument!\n", argv[i]); - done = 0; - break; - } - } - else if( !strcmp(argv[i], "commit") ) - { - commit = 1; - done++; - } - else - { - fprintf(stderr, "Unknown option '%s' !\n", argv[i]); - done = 0; - break; - } - } - - if( write ) - stat = nvram_commit(nvram); - - nvram_close(nvram); - - if( commit ) - stat = staging_to_nvram(); - } - - if( !nvram ) - { - fprintf(stderr, - "Could not open nvram! Possible reasons are:\n" - " - No device found (/proc not mounted or no nvram present)\n" - " - Insufficient permissions to open mtd device\n" - " - Insufficient memory to complete operation\n" - " - Memory mapping failed or not supported\n" - ); - - stat = 1; - } - else if( !done ) - { - fprintf(stderr, - "Usage:\n" - " nvram show\n" - " nvram info\n" - " nvram get variable\n" - " nvram set variable=value [set ...]\n" - " nvram unset variable [unset ...]\n" - " nvram commit\n" - ); - - stat = 1; - } - - return stat; -} |