FreeCalypso > hg > fc-sim-tools

annotate simtool/smsp_dump.c @ 53:fbedb67d234f

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serial: fix parity for inverse coding convention Important note: it is my (Mother Mychaela's) understanding that SIM cards with inverse coding convention are extremely rare, and I have never seen such a card. Therefore, our support for the inverse coding convention will likely remain forever untested.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 21 Mar 2021 20:46:09 +0000
parents ddd767f6e15b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10
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1 /*
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2 * This module implements intelligent dumping of EF_SMSP (smsp-dump).
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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 "simresp.h"
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Mychaela Falconia <falcon@freecalypso.org>
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8 #include "curfile.h"
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9
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10 static
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11 check_blank_area(dp, endp)
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12 u_char *dp, *endp;
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13 {
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14 while (dp < endp)
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15 if (*dp++ != 0xFF)
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Mychaela Falconia <falcon@freecalypso.org>
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16 return(-1);
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17 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
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18 }
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19
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20 static void
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21 dump_da_field(binaddr, outf)
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22 u_char *binaddr;
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23 FILE *outf;
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24 {
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25 char digits[21];
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Mychaela Falconia <falcon@freecalypso.org>
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26
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27 fputs("DA=", outf);
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28 if (binaddr[0] < 1 || binaddr[0] > 20) {
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29 malformed: fputs("malformed ", outf);
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30 return;
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31 }
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Mychaela Falconia <falcon@freecalypso.org>
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32 if ((binaddr[0] & 1) && (binaddr[(binaddr[0] >> 1) + 2] & 0xF0) != 0xF0)
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33 goto malformed;
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34 if (check_blank_area(binaddr + 2 + ((binaddr[0] + 1) >> 1),
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35 binaddr + 12) < 0)
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Mychaela Falconia <falcon@freecalypso.org>
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36 goto malformed;
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Mychaela Falconia <falcon@freecalypso.org>
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37 /* all checks passed */
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Mychaela Falconia <falcon@freecalypso.org>
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38 decode_address_digits(binaddr + 2, digits, binaddr[0]);
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39 fprintf(outf, "%s,0x%02X ", digits, binaddr[1]);
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40 }
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41
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42 static void
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43 dump_sca_field(binaddr, outf)
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44 u_char *binaddr;
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45 FILE *outf;
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46 {
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47 char digits[21];
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48 int rc;
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49
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50 fputs("SC=", outf);
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51 if (binaddr[0] < 2 || binaddr[0] > 11) {
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52 malformed: fputs("malformed ", outf);
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53 return;
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54 }
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55 rc = decode_phone_number(binaddr + 2, binaddr[0] - 1, digits);
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56 if (rc < 0)
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57 goto malformed;
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58 rc = check_blank_area(binaddr + 1 + binaddr[0], binaddr + 12);
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59 if (rc < 0)
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60 goto malformed;
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61 /* all checks passed */
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62 fprintf(outf, "%s,0x%02X ", digits, binaddr[1]);
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63 }
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64
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65 static void
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66 dump_record(recno, outf)
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67 unsigned recno;
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68 FILE *outf;
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69 {
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70 int rc;
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71 unsigned textlen;
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72 u_char *fixp;
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73
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74 fprintf(outf, "#%u: ", recno);
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Mychaela Falconia <falcon@freecalypso.org>
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75 if (sim_resp_data_len > 28) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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76 rc = validate_alpha_field(sim_resp_data,
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77 sim_resp_data_len - 28,
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78 &textlen);
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79 if (rc < 0) {
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80 malformed: fprintf(outf, "malformed record\n");
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81 return;
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82 }
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83 } else
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84 textlen = 0;
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85 fixp = sim_resp_data + sim_resp_data_len - 28;
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86 if ((fixp[0] & 0xE0) != 0xE0)
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parents:
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87 goto malformed;
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Mychaela Falconia <falcon@freecalypso.org>
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88 if ((fixp[0] & 0x01) && check_blank_area(fixp + 1, fixp + 13) < 0)
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parents:
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89 goto malformed;
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Mychaela Falconia <falcon@freecalypso.org>
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90 if ((fixp[0] & 0x02) && check_blank_area(fixp + 13, fixp + 25) < 0)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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91 goto malformed;
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Mychaela Falconia <falcon@freecalypso.org>
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92 if ((fixp[0] & 0x04) && fixp[25] != 0xFF)
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93 goto malformed;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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94 if ((fixp[0] & 0x08) && fixp[26] != 0xFF)
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parents:
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95 goto malformed;
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Mychaela Falconia <falcon@freecalypso.org>
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96 if ((fixp[0] & 0x10) && fixp[27] != 0xFF)
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parents:
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97 goto malformed;
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Mychaela Falconia <falcon@freecalypso.org>
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98 /* basic checks passed, emit present fields */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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99 if (!(fixp[0] & 0x01))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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100 dump_da_field(fixp + 1, outf);
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parents:
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101 if (!(fixp[0] & 0x02))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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102 dump_sca_field(fixp + 13, outf);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 if (!(fixp[0] & 0x04))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 fprintf(outf, "PID=0x%02X ", fixp[25]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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105 if (!(fixp[0] & 0x08))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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106 fprintf(outf, "DCS=0x%02X ", fixp[26]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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107 if (!(fixp[0] & 0x10))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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108 fprintf(outf, "VP=%u ", fixp[27]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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109 print_alpha_field(sim_resp_data, textlen, outf);
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parents:
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110 putc('\n', outf);
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parents:
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111 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 cmd_smsp_dump(argc, argv, outf)
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114 char **argv;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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115 FILE *outf;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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117 int rc;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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118 unsigned recno;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119
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Mychaela Falconia <falcon@freecalypso.org>
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120 rc = select_ef_smsp();
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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121 if (rc < 0)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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122 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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123 for (recno = 1; recno <= curfile_record_count; recno++) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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124 rc = readrec_op(recno, 0x04, curfile_record_len);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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125 if (rc < 0)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 return(rc);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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127 dump_record(recno, outf);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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129 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 }