FreeCalypso > hg > sms-coding-utils
annotate enc-text/ucs2.c @ 27:7418ca2e9949
libcoding: add functions from freecalypso-tools/uptools/libcoding
that are needed for sms-pdu-decode & pcm-sms-decode
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 13 Jun 2024 02:29:29 +0000 |
parents | e56bb9f09ff1 |
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1 /* |
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2 * In this module we implement SMS encoding in UCS-2. |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <stdio.h> |
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7 #include <stdlib.h> |
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8 #include <string.h> |
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9 #include <strings.h> |
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10 #include <unistd.h> |
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11 #include "defs.h" |
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12 |
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13 extern int allow_escape; |
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14 extern int concat_enable, concat_refno_set; |
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15 extern char msgtext[MAX_MSG_CHARS*2+2]; |
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16 extern u_char concat_refno; |
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17 |
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18 ucs2_mode_main() |
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19 { |
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20 u_short msgtext_uni[MAX_MSG_UNI]; |
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21 unsigned msgtext_unilen; |
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22 int rc; |
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23 unsigned nparts, n; |
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24 u_char udh[6], ucs2_be[140]; |
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25 unsigned pos, remain, chunk; |
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26 |
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27 rc = utf8_to_ucs2(msgtext, msgtext_uni, MAX_MSG_UNI, &msgtext_unilen, |
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28 allow_escape); |
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29 if (rc == -1) { |
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30 fprintf(stderr, "error: invalid UTF-8 message\n"); |
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31 exit(1); |
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32 } |
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33 if (rc == -2) { |
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34 fprintf(stderr, "error: message too long for max concat SMS\n"); |
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35 exit(1); |
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36 } |
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37 if (rc == -3) { |
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38 fprintf(stderr, |
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39 "error: message contains invalid backslash escape\n"); |
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40 exit(1); |
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41 } |
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42 if (msgtext_unilen <= 70) { |
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43 fputs("dcs 8 octet\nmsg ", stdout); |
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44 if (msgtext_unilen) { |
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45 ucs2_out_bigend(msgtext_uni, ucs2_be, msgtext_unilen); |
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46 emit_hex_out(ucs2_be, msgtext_unilen * 2, stdout); |
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47 } else { |
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48 putchar('"'); |
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49 putchar('"'); |
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50 } |
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51 putchar('\n'); |
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52 exit(0); |
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53 } |
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54 if (!concat_enable) { |
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55 fprintf(stderr, "error: message exceeds 70 UCS-2 chars\n"); |
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56 exit(1); |
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57 } |
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58 if (!concat_refno_set) |
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59 concat_refno = get_concsms_refno_from_host_fs(); |
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60 puts("dcs 8 octet"); |
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61 nparts = (msgtext_unilen + 66) / 67; |
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62 udh[0] = 5; |
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63 udh[1] = 0x00; |
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64 udh[2] = 0x03; |
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65 udh[3] = concat_refno; |
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66 udh[4] = nparts; |
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67 pos = 0; |
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68 remain = msgtext_unilen; |
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69 for (n = 1; n <= nparts; n++) { |
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70 udh[5] = n; |
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71 chunk = 67; |
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72 if (chunk > remain) |
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73 chunk = remain; |
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74 fputs("msg-udh ", stdout); |
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75 emit_hex_out(udh, 6, stdout); |
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76 ucs2_out_bigend(msgtext_uni + pos, ucs2_be, chunk); |
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77 emit_hex_out(ucs2_be, chunk * 2, stdout); |
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78 putchar('\n'); |
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79 pos += chunk; |
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80 remain -= chunk; |
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81 } |
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82 exit(0); |
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83 } |