FreeCalypso > hg > fc-sim-tools
annotate libutil/pinentry.c @ 53:fbedb67d234f
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> |
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date | Sun, 21 Mar 2021 20:46:09 +0000 |
parents | 34bbb0585cab |
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rev | line source |
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libutil: import from previous fc-pcsc-tools version
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1 #include <sys/types.h> |
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2 #include <ctype.h> |
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3 #include <stdio.h> |
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4 |
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5 encode_pin_entry(arg, dest) |
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6 char *arg; |
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7 u_char *dest; |
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8 { |
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9 unsigned n; |
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Mychaela Falconia <falcon@freecalypso.org>
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10 |
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11 n = 0; |
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12 while (*arg) { |
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13 if (!isdigit(*arg)) { |
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14 fprintf(stderr, |
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15 "error: PIN argument contains a non-digit character\n"); |
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16 return(-1); |
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17 } |
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18 if (n >= 8) { |
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19 fprintf(stderr, "error: PIN argument is too long\n"); |
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20 return(-1); |
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21 } |
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22 *dest++ = *arg++; |
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23 n++; |
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24 } |
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25 for (; n < 8; n++) |
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26 *dest++ = 0xFF; |
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27 return(0); |
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28 } |