view rvinterf/etmsync/rfcap.c @ 921:74d284add54d

fc-fsio: guard against bogus readdir results from the target If the FFS being operated on contains SE K2x0 extended filenames, readdir will return strings that are bad for printing. We need to guard against this possibility, and also against possible other bogosity that could be sent by other alien firmwares.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 31 Dec 2022 22:55:23 +0000
parents e7502631a0f9
children
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/*
 * Setting of /gsm/com/rfcap
 */

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "exitcodes.h"

static struct band_table {
	char	*keyword;
	u_char	bytes[4];
} band_table[] = {
	{"dual-eu",	{0x00, 0x0B, 0x41, 0x00}},
	{"dual-us",	{0x00, 0x14, 0x00, 0x14}},
	{"tri900",	{0x00, 0x0F, 0x41, 0x10}},
	{"tri850",	{0x00, 0x16, 0x01, 0x14}},
	{"quad",	{0x00, 0x1F, 0x41, 0x14}},
	{0,		{0x00, 0x00, 0x00, 0x00}}
};

static u_char rfcap_tail[12] = {0x00, 0x00, 0x00, 0x00,
				0x50, 0x00, 0x00, 0xA5,
				0x05, 0x00, 0xC0, 0x00};

set_rfcap(band_config_kw)
	char *band_config_kw;
{
	static char filename[] = "/gsm/com/rfcap";
	u_char bytes[16];
	struct band_table *tp;

	for (tp = band_table; tp->keyword; tp++)
		if (!strcmp(tp->keyword, band_config_kw))
			break;
	if (!tp->keyword) {
		printf("error: band configuration \"%s\" not known\n",
			band_config_kw);
		return(ERROR_USAGE);
	}
	bcopy(tp->bytes, bytes, 4);
	bcopy(rfcap_tail, bytes + 4, 12);

	printf("Writing \"%02X %02X %02X %02X %02X %02X %02X %02X  %02X %02X %02X %02X %02X %02X %02X %02X\" into %s\n",
		bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5],
		bytes[6], bytes[7], bytes[8], bytes[9], bytes[10], bytes[11],
		bytes[12], bytes[13], bytes[14], bytes[15], filename);
	return do_short_fwrite(filename, bytes, 16);
}