summaryrefslogtreecommitdiffstats
path: root/util.c
diff options
context:
space:
mode:
Diffstat (limited to 'util.c')
-rw-r--r--util.c486
1 files changed, 0 insertions, 486 deletions
diff --git a/util.c b/util.c
deleted file mode 100644
index 5d73d2c..0000000
--- a/util.c
+++ /dev/null
@@ -1,486 +0,0 @@
-/*
- * This file is part of Samsung-RIL.
- *
- * Copyright (C) 2010-2011 Joerie de Gram <j.de.gram@gmail.com>
- * Copyright (C) 2011-2013 Paul Kocialkowski <contact@paulk.fr>
- *
- * Samsung-RIL 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 3 of the License, or
- * (at your option) any later version.
- *
- * Samsung-RIL 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 Samsung-RIL. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <time.h>
-
-#define LOG_TAG "RIL-UTIL"
-#include <utils/Log.h>
-#include "util.h"
-
-#include "samsung-ril.h"
-
-/*
- * List
- */
-
-struct list_head *list_head_alloc(void *data, struct list_head *prev, struct list_head *next)
-{
- struct list_head *list;
-
- list = calloc(1, sizeof(struct list_head));
- if (list == NULL)
- return NULL;
-
- list->data = data;
- list->prev = prev;
- list->next = next;
-
- if (prev != NULL)
- prev->next = list;
- if (next != NULL)
- next->prev = list;
-
- return list;
-}
-
-void list_head_free(struct list_head *list)
-{
- if (list == NULL)
- return;
-
- if (list->next != NULL)
- list->next->prev = list->prev;
- if (list->prev != NULL)
- list->prev->next = list->next;
-
- memset(list, 0, sizeof(struct list_head));
- free(list);
-}
-
-/*
- * Converts a hexidecimal string to binary
- */
-void hex2bin(const char *data, int length, unsigned char *buf)
-{
- int i = 0;
- char b = 0;
- unsigned char *p = buf;
-
- length ^= 0x01;
-
- while (i < length) {
- b = 0;
-
- if (data[i] - '0' < 10)
- b = data[i] - '0';
- else if (data[i] - 'a' < 7)
- b = data[i] - 'a' + 10;
- else if (data[i] - 'A' < 7)
- b = data[i] - 'A' + 10;
- i++;
-
- b = (b << 4);
-
- if (data[i] - '0' < 10)
- b |= data[i] - '0';
- else if (data[i] - 'a' < 7)
- b |= data[i] - 'a' + 10;
- else if (data[i] - 'A' < 7)
- b |= data[i] - 'A' + 10;
- i++;
-
- *p++ = b;
- }
-}
-
-/*
- * Converts binary data to a hexidecimal string
- */
-void bin2hex(const unsigned char *data, int length, char *buf)
-{
- int i;
- char b;
- char *p = buf;
-
- for (i = 0; i < length; i++) {
- b = 0;
-
- b = (data[i] >> 4 & 0x0f);
- b += (b < 10) ? '0' : ('a' - 10);
- *p++ = b;
-
- b = (data[i] & 0x0f);
- b += (b < 10) ? '0' : ('a' - 10);
- *p++ = b;
- }
-
- *p = '\0';
-}
-
-/*
- * Converts GSM7 (8 bits) data to ASCII (7 bits)
- */
-int gsm72ascii(unsigned char *data, char **data_dec, int length)
-{
- int t, u, d, o = 0;
- int i;
-
- int dec_length;
- char *dec;
-
- dec_length = ((length * 8) - ((length * 8) % 7) ) / 7;
- dec = malloc(dec_length);
-
- memset(dec, 0, dec_length);
-
- for (i = 0 ; i < length ; i++)
- {
- d = 7 - i % 7;
- if (d == 7 && i != 0)
- o++;
-
- t = (data[i] - (((data[i] >> d) & 0xff) << d));
- u = (data[i] >> d) & 0xff;
-
- dec[i+o]+=t << (i + o) % 8;
-
- if (u)
- dec[i+1+o]+=u;
- }
-
- *data_dec = dec;
-
- return dec_length;
-}
-
-/*
- * Converts ASCII (7 bits) data to GSM7 (8 bits)
- */
-int ascii2gsm7_ussd(char *data, unsigned char **data_enc, int length)
-{
- int d_off, d_pos, a_off, a_pos = 0;
- int i;
-
- int enc_length;
- unsigned char *enc;
-
- enc_length = ((length * 7) - (length * 7) % 8) / 8;
- enc_length += (length * 7) % 8 > 0 ? 1 : 0;
-
- //FIXME: why does samsung does that?
- enc_length++;
-
- enc = malloc(enc_length);
- memset(enc, 0, enc_length);
-
- for (i = 0 ; i < length ; i++)
- {
- // offset from the right of data to keep
- d_off = i % 8;
-
- // position of the data we keep
- d_pos = ((i * 7) - (i * 7) % 8) / 8;
- d_pos += (i * 7) % 8 > 0 ? 1 : 0;
-
- // adding the data with correct offset
- enc[d_pos] |= data[i] >> d_off;
-
- // numbers of bits to omit to get data to add another place
- a_off = 8 - d_off;
- // position (on the encoded feed) of the data to add
- a_pos = d_pos - 1;
-
- // adding the data to add at the correct position
- enc[a_pos] |= data[i] << a_off;
- }
-
- *data_enc = enc;
-
- //FIXME: what is going on here?
- enc[enc_length - 2] |= 0x30;
- enc[enc_length - 1] = 0x02;
-
- return enc_length;
-}
-
-size_t ascii2gsm7(char *ascii, unsigned char *gsm7)
-{
- int ascii_length;
- int gsm7_length;
- int offset;
-
- unsigned char *p;
- int i;
-
- if (ascii == NULL)
- return -1;
-
- ascii_length = strlen(ascii);
-
- gsm7_length = ((ascii_length * 7) - (ascii_length * 7) % 8) / 8;
- gsm7_length = (ascii_length * 7) % 8 > 0 ? gsm7_length + 1 : gsm7_length;
-
- if (gsm7 == NULL)
- return gsm7_length;
-
- memset(gsm7, 0, gsm7_length);
-
- offset = 0;
- p = gsm7;
-
- for (i = 0; i < ascii_length; i++) {
- *p |= ((ascii[i] & 0x7f) >> offset) & 0xff;
-
- if (offset) {
- p--;
- *p |= ((ascii[i] & ((1 << (offset + 1)) - 1)) << (8 - offset)) & 0xff;
- p++;
- }
-
- if (offset < 7)
- p++;
-
- offset++;
- offset %= 8;
- }
-
- return gsm7_length;
-}
-
-void hex_dump(void *data, int size)
-{
- /* dumps size bytes of *data to stdout. Looks like:
- * [0000] 75 6E 6B 6E 6F 77 6E 20
- * 30 FF 00 00 00 00 39 00 unknown 0.....9.
- * (in a single line of course)
- */
-
- unsigned char *p = data;
- unsigned char c;
- int n;
- char bytestr[4] = {0};
- char addrstr[10] = {0};
- char hexstr[ 16*3 + 5] = {0};
- char charstr[16*1 + 5] = {0};
- for (n=1;n<=size;n++) {
- if (n%16 == 1) {
- /* store address for this line */
- snprintf(addrstr, sizeof(addrstr), "%.4x",
- ((unsigned int)p-(unsigned int)data) );
- }
-
- c = *p;
- if (isalnum(c) == 0) {
- c = '.';
- }
-
- /* store hex str (for left side) */
- snprintf(bytestr, sizeof(bytestr), "%02X ", *p);
- strncat(hexstr, bytestr, sizeof(hexstr)-strlen(hexstr)-1);
-
- /* store char str (for right side) */
- snprintf(bytestr, sizeof(bytestr), "%c", c);
- strncat(charstr, bytestr, sizeof(charstr)-strlen(charstr)-1);
-
- if (n%16 == 0) {
- /* line completed */
- RIL_LOGD("[%4.4s] %-50.50s %s", addrstr, hexstr, charstr);
- hexstr[0] = 0;
- charstr[0] = 0;
- } else if (n%8 == 0) {
- /* half line: add whitespaces */
- strncat(hexstr, " ", sizeof(hexstr)-strlen(hexstr)-1);
- strncat(charstr, " ", sizeof(charstr)-strlen(charstr)-1);
- }
- p++; /* next byte */
- }
-
- if (strlen(hexstr) > 0) {
- /* print rest of buffer if not empty */
- RIL_LOGD("[%4.4s] %-50.50s %s\n", addrstr, hexstr, charstr);
- }
-}
-
-/* writes the utf8 character encoded in v
- * to the buffer utf8 at the specified offset
- */
-int utf8_write(char *utf8, int offset, int v)
-{
-
- int result;
-
- if (v < 0x80) {
- result = 1;
- if (utf8)
- utf8[offset] = (char)v;
- } else if (v < 0x800) {
- result = 2;
- if (utf8) {
- utf8[offset + 0] = (char)(0xc0 | (v >> 6));
- utf8[offset + 1] = (char)(0x80 | (v & 0x3f));
- }
- } else if (v < 0x10000) {
- result = 3;
- if (utf8) {
- utf8[offset + 0] = (char)(0xe0 | (v >> 12));
- utf8[offset + 1] = (char)(0x80 | ((v >> 6) & 0x3f));
- utf8[offset + 2] = (char)(0x80 | (v & 0x3f));
- }
- } else {
- result = 4;
- if (utf8) {
- utf8[offset + 0] = (char)(0xf0 | ((v >> 18) & 0x7));
- utf8[offset + 1] = (char)(0x80 | ((v >> 12) & 0x3f));
- utf8[offset + 2] = (char)(0x80 | ((v >> 6) & 0x3f));
- utf8[offset + 3] = (char)(0x80 | (v & 0x3f));
- }
- }
- return result;
-}
-
-SmsCodingScheme sms_get_coding_scheme(int dataCoding)
-{
- switch (dataCoding >> 4) {
- case 0x00:
- case 0x02:
- case 0x03:
- return SMS_CODING_SCHEME_GSM7;
- case 0x01:
- if (dataCoding == 0x10)
- return SMS_CODING_SCHEME_GSM7;
- if (dataCoding == 0x11)
- return SMS_CODING_SCHEME_UCS2;
- break;
- case 0x04:
- case 0x05:
- case 0x06:
- case 0x07:
- if (dataCoding & 0x20)
- return SMS_CODING_SCHEME_UNKNOWN;
- if (((dataCoding >> 2) & 3) == 0)
- return SMS_CODING_SCHEME_GSM7;
- if (((dataCoding >> 2) & 3) == 2)
- return SMS_CODING_SCHEME_UCS2;
- break;
- case 0xF:
- if (!(dataCoding & 4))
- return SMS_CODING_SCHEME_GSM7;
- break;
- }
- return SMS_CODING_SCHEME_UNKNOWN;
-}
-
-char *pdu_create(char *number, char *message)
-{
- unsigned char pdu_first[] = { 0x00, 0x04 };
- unsigned char pdu_toa[] = { 0x91 };
- unsigned char pdu_tp[] = { 0x00, 0x00 };
- unsigned char timestamp[7] = { 0 };
- time_t t;
- struct tm *tm;
-
- unsigned char number_length;
- unsigned char message_length;
-
- unsigned char *buffer = NULL;
- char *pdu = NULL;
- size_t length = 0;
-
- unsigned char *p;
- unsigned char a;
- char c;
- int i;
-
- if (number == NULL || message == NULL || strlen(message) > 0xff)
- return NULL;
-
- number_length = strlen(number) & 0xff;
- if (number_length % 2 != 0)
- number_length++;
- number_length /= 2;
-
- message_length = ascii2gsm7(message, NULL) & 0xff;
-
- length = sizeof(pdu_first) + sizeof(number_length) + sizeof(pdu_toa) + number_length + sizeof(pdu_tp) + sizeof(timestamp) + sizeof(message_length) + message_length;
- buffer = calloc(1, length);
-
- p = (unsigned char *) buffer;
-
- memcpy(p, &pdu_first, sizeof(pdu_first));
- p += sizeof(pdu_first);
-
- number_length = strlen(number) & 0xff;
-
- memcpy(p, &number_length, sizeof(number_length));
- p += sizeof(number_length);
- memcpy(p, &pdu_toa, sizeof(pdu_toa));
- p += sizeof(pdu_toa);
-
- i = 0;
- while (i < number_length) {
- c = number[i++];
-
- if (isdigit(c))
- *p = (c - '0') & 0x0f;
-
- if (i < number_length) {
- c = number[i++];
- if (isdigit(c))
- *p |= ((c - '0') & 0x0f) << 4;
- } else {
- *p |= 0xf << 4;
- }
-
- p++;
- }
-
- memcpy(p, &pdu_tp, sizeof(pdu_tp));
- p += sizeof(pdu_tp);
-
- t = time(NULL);
- tm = localtime(&t);
-
- a = (tm->tm_year - 100);
- timestamp[0] = ((a - (a % 10)) / 10) | ((a % 10) * 0x10);
- a = (tm->tm_mon + 1);
- timestamp[1] = ((a - (a % 10)) / 10) | ((a % 10) * 0x10);
- a = tm->tm_mday;
- timestamp[2] = ((a - (a % 10)) / 10) | ((a % 10) * 0x10);
- a = tm->tm_hour;
- timestamp[3] = ((a - (a % 10)) / 10) | ((a % 10) * 0x10);
- a = tm->tm_min;
- timestamp[4] = ((a - (a % 10)) / 10) | ((a % 10) * 0x10);
- a = tm->tm_sec;
- timestamp[5] = ((a - (a % 10)) / 10) | ((a % 10) * 0x10);
- a = (unsigned char) (-timezone / 900);
- timestamp[6] = ((a - (a % 10)) / 10) | ((a % 10) * 0x10);
-
- memcpy(p, &timestamp, sizeof(timestamp));
- p += sizeof(timestamp);
-
- message_length = strlen(message) & 0xff;
-
- memcpy(p, &message_length, sizeof(message_length));
- p += sizeof(message_length);
-
- ascii2gsm7(message, p);
- p += message_length;
-
- pdu = (char *) calloc(1, length * 2 + 1);
-
- bin2hex(buffer, length, pdu);
-
- free(buffer);
-
- return pdu;
-}
generated by cgit v1.1 at 2024-04-29 07:00:35 +0000