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dup-keygen.c - dedup - deduplicating backup program |
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git clone git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/ (git://bitreich.org) |
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README |
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LICENSE |
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--- |
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dup-keygen.c (918B) |
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--- |
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1 #include <sys/types.h> |
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2 #include <sys/stat.h> |
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3 |
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4 #include <err.h> |
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5 #include <fcntl.h> |
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6 #include <stdint.h> |
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7 #include <stdio.h> |
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8 #include <stdlib.h> |
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9 #include <unistd.h> |
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10 |
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11 #include "arg.h" |
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12 #include "config.h" |
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13 #include "key.h" |
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14 #include "misc.h" |
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15 #include "state.h" |
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16 |
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17 struct param param; /* unused but needed for linking */ |
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18 int verbose; |
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19 char *argv0; |
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20 |
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21 static void |
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22 usage(void) |
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23 { |
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24 fprintf(stderr, "usage: %s [-v] keyfile\n", argv0); |
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25 exit(1); |
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26 } |
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27 |
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28 int |
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29 main(int argc, char *argv[]) |
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30 { |
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31 unsigned char key[KEYSIZE]; |
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32 int fd; |
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33 |
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34 ARGBEGIN { |
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35 case 'v': |
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36 verbose++; |
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37 break; |
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38 default: |
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39 usage(); |
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40 } ARGEND |
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41 |
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42 if (argc != 1) |
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43 usage(); |
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44 |
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45 fd = open(argv[0], O_RDWR | O_CREAT | O_EXCL, 0600); |
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46 if (fd < 0) |
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47 err(1, "open: %s", argv[0]); |
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48 if (keygen(key, sizeof(key)) < 0) |
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49 printerr("keygen"); |
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50 if (writekey(fd, key, sizeof(key)) < 0) |
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51 printerr("writekey: %s", argv[0]); |
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52 fsync(fd); |
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53 if (close(fd) < 0) |
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54 err(1, "close: %s", argv[0]); |
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55 return 0; |
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56 } |
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