FreeCalypso > hg > fc-sim-tools
annotate libutil/shorthand.c @ 99:97ba63d9361a
scripts/fcsim1-sst: turn off STK & OTA services
In the initial unprogrammed state of the cards from Grcard, SST has
services 25 through 29 set to allocated and activated. However,
these cards appear to not actually support OTA, ENVELOPE commands
do nothing (just return SW 9000), and they were never observed
issuing any proactive SIM commands, even after a feature-generous
TERMINAL PROFILE. Therefore, let's list these STK & OTA services
as allocated, but not activated in our FCSIM1 SST.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 05 May 2021 04:26:07 +0000 |
parents | 34bbb0585cab |
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rev | line source |
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1 /* |
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2 * This module implements the function for parsing shorthand decimal strings. |
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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 <ctype.h> |
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7 #include <stdio.h> |
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8 #include <string.h> |
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9 #include <strings.h> |
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10 |
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11 parse_decimal_shorthand(arg, dest, maxdigits) |
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12 char *arg; |
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13 u_char *dest; |
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14 unsigned maxdigits; |
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15 { |
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16 unsigned n, ntail; |
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17 |
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18 if (!*arg) { |
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19 fprintf(stderr, |
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20 "error: empty argument given for decimal string\n"); |
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21 return(-1); |
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22 } |
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23 if (!isdigit(*arg)) { |
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24 fprintf(stderr, |
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25 "error: decimal string argument begins with a non-digit\n"); |
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26 return(-1); |
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27 } |
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28 for (n = 0; isdigit(*arg); ) { |
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29 if (n >= maxdigits) { |
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30 toolong: fprintf(stderr, |
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31 "error: decimal string exceeds limit of %u digits\n", |
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32 maxdigits); |
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33 return(-1); |
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34 } |
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35 dest[n++] = *arg++ - '0'; |
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36 } |
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37 if (!*arg) { |
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38 if (n != maxdigits) { |
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39 fprintf(stderr, |
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40 "error: %u digits required, %u digits given\n", |
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41 maxdigits, n); |
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42 return(-1); |
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43 } |
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44 return(0); |
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45 } |
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46 if (*arg++ != '-') { |
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47 malformed: fprintf(stderr, |
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48 "error: malformed shorthand decimal string argument\n"); |
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49 return(-1); |
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50 } |
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51 ntail = strlen(arg); |
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52 if (n + ntail >= maxdigits) |
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53 goto toolong; |
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54 while (n < maxdigits - ntail) |
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55 dest[n++] = 0; |
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56 if (!isdigit(*arg)) |
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57 goto malformed; |
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58 while (*arg) { |
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59 if (!isdigit(*arg)) |
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60 goto malformed; |
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61 dest[n++] = *arg++ - '0'; |
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62 } |
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63 return(0); |
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64 } |