rev |
line source |
pascal@17451
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1 #ifdef __TURBOC__
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pascal@17451
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2 #include <io.h>
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pascal@17451
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3 #endif
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pascal@14150
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4 #include <sys/types.h>
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pascal@14150
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5 #include <fcntl.h>
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pascal@14150
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6 #include <stdio.h>
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pascal@17451
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7 #include <stdlib.h>
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pascal@17451
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8 #include <string.h>
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pascal@14268
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9 #ifdef WIN32
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pascal@14268
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10 #include <windows.h>
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pascal@14268
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11 #endif
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pascal@18775
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12 #ifdef __MSDOS__
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pascal@18783
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13 int ftruncate(int fd, long newsize)
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pascal@18783
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14 {
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pascal@18783
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15 if (lseek(fd, newsize, SEEK_SET) != -1L)
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pascal@18783
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16 return write(fd, NULL, 0);
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pascal@18783
|
17 return -1;
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pascal@18783
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18 }
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pascal@18775
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19 #endif
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pascal@18775
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20 #ifdef __MINGW32__
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pascal@18775
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21 #define ftruncate chsize
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pascal@18775
|
22 #endif
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pascal@18775
|
23 #if !defined(__MSDOS__) && !defined(WIN32)
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pascal@18775
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24 #define O_BINARY 0
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pascal@18775
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25 #endif
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pascal@17591
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26 typedef unsigned char uint8_t;
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pascal@17591
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27 typedef unsigned long uint32_t;
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pascal@14150
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28 #include "iso2exe.h"
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pascal@14150
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29
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pascal@18780
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30 static int fd, forced, uninstall;
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pascal@18780
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31 static unsigned status = 1;
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pascal@18775
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32 static char *append, *initrd;
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pascal@17489
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33 static char tazlitoinfo[0x8000U - BOOTISOSZ];
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pascal@14264
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34 #define buffer tazlitoinfo
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pascal@14264
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35 #define BUFFERSZ 2048
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pascal@17451
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36 #define WORD(n) * (unsigned short *) (n)
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pascal@17451
|
37 #define LONG(n) * (unsigned long *) (n)
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pascal@14150
|
38
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pascal@14150
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39 static void readsector(unsigned long sector)
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pascal@14150
|
40 {
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pascal@14264
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41 if (lseek(fd, sector * BUFFERSZ, SEEK_SET) == -1 ||
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pascal@14268
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42 read(fd, buffer, BUFFERSZ) != BUFFERSZ) {
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pascal@17451
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43 puts(bootiso+READSECTORERR);
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pascal@14268
|
44 exit(1);
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pascal@14268
|
45 }
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pascal@14150
|
46 }
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pascal@14150
|
47
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pascal@18775
|
48 static unsigned long getcustomsector(void)
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pascal@18775
|
49 {
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pascal@18775
|
50 readsector(16UL);
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pascal@18775
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51 return 16UL + LONG(buffer + 80);
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pascal@18775
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52 }
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pascal@18775
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53
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pascal@17810
|
54 static int skipmd5 = 0;
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pascal@17591
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55 #define ALIGN1
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pascal@17591
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56
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pascal@17591
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57 typedef struct {
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pascal@17591
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58 uint32_t l;
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pascal@17591
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59 uint32_t h;
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pascal@17591
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60 } uint64_t;
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pascal@17591
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61 static uint8_t wbuffer[64]; /* always correctly aligned for uint64_t */
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pascal@17591
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62 static uint64_t total64; /* must be directly before hash[] */
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pascal@17591
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63 static uint32_t hash[8]; /* 4 elements for md5, 5 for sha1, 8 for sha256 */
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pascal@17591
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64
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pascal@17591
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65 //#define rotl32(x,n) (((x) << (n)) | ((x) >> (32 - (n))))
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pascal@17591
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66 static uint32_t rotl32(uint32_t x, unsigned n)
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pascal@17591
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67 {
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pascal@17591
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68 return (x << n) | (x >> (32 - n));
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pascal@17591
|
69 }
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pascal@17591
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70
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pascal@17591
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71 static void md5_process_block64(void);
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pascal@17591
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72
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pascal@17591
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73 /* Feed data through a temporary buffer.
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pascal@17591
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74 * The internal buffer remembers previous data until it has 64
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pascal@17591
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75 * bytes worth to pass on.
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pascal@17591
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76 */
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pascal@17591
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77 static void common64_hash(const void *buffer, size_t len)
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pascal@17591
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78 {
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pascal@17591
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79 unsigned bufpos = total64.l & 63;
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pascal@17591
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80
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pascal@17591
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81 total64.l += len; if (total64.l < len) total64.h++;
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pascal@17591
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82
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pascal@17591
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83 while (1) {
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pascal@17591
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84 unsigned remaining = 64 - bufpos;
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pascal@17591
|
85 if (remaining > len)
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pascal@17591
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86 remaining = len;
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pascal@17591
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87 /* Copy data into aligned buffer */
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pascal@17591
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88 memcpy(wbuffer + bufpos, buffer, remaining);
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pascal@17591
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89 len -= remaining;
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pascal@17591
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90 buffer = (const char *)buffer + remaining;
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pascal@17591
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91 bufpos += remaining;
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pascal@17591
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92 /* clever way to do "if (bufpos != 64) break; ... ; bufpos = 0;" */
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pascal@17591
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93 bufpos -= 64;
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pascal@17591
|
94 if (bufpos != 0)
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pascal@17591
|
95 break;
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pascal@17591
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96 /* Buffer is filled up, process it */
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pascal@17591
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97 md5_process_block64();
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pascal@17591
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98 /*bufpos = 0; - already is */
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pascal@17591
|
99 }
|
pascal@17591
|
100 }
|
pascal@17591
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101
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pascal@17591
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102 /* Process the remaining bytes in the buffer */
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pascal@17591
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103 static void common64_end(void)
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pascal@17591
|
104 {
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pascal@17591
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105 unsigned bufpos = total64.l & 63;
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pascal@17591
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106 /* Pad the buffer to the next 64-byte boundary with 0x80,0,0,0... */
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pascal@17591
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107 wbuffer[bufpos++] = 0x80;
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pascal@17591
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108
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pascal@17591
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109 /* This loop iterates either once or twice, no more, no less */
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pascal@17591
|
110 while (1) {
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pascal@17591
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111 unsigned remaining = 64 - bufpos;
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pascal@17591
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112 memset(wbuffer + bufpos, 0, remaining);
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pascal@17591
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113 /* Do we have enough space for the length count? */
|
pascal@17591
|
114 if (remaining >= 8) {
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pascal@17591
|
115 /* Store the 64-bit counter of bits in the buffer */
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pascal@17591
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116 //uint64_t t = total64 << 3;
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pascal@17591
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117 uint32_t *t = (uint32_t *) (&wbuffer[64 - 8]);
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pascal@17591
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118 /* wbuffer is suitably aligned for this */
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pascal@17591
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119 //*(uint64_t *) (&wbuffer[64 - 8]) = t;
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pascal@17591
|
120 t[0] = total64.l << 3;
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pascal@17591
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121 t[1] = (total64.h << 3) | (total64.l >> 29);
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pascal@17591
|
122 }
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pascal@17591
|
123 md5_process_block64();
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pascal@17591
|
124 if (remaining >= 8)
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pascal@17591
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125 break;
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pascal@17591
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126 bufpos = 0;
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pascal@17591
|
127 }
|
pascal@17591
|
128 }
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pascal@17591
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129
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pascal@17591
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130 /* These are the four functions used in the four steps of the MD5 algorithm
|
pascal@17591
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131 * and defined in the RFC 1321. The first function is a little bit optimized
|
pascal@17591
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132 * (as found in Colin Plumbs public domain implementation).
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pascal@17591
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133 * #define FF(b, c, d) ((b & c) | (~b & d))
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pascal@17591
|
134 */
|
pascal@17591
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135 #undef FF
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pascal@17591
|
136 #undef FG
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pascal@17591
|
137 #undef FH
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pascal@17591
|
138 #undef FI
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pascal@17591
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139 #define FF(b, c, d) (d ^ (b & (c ^ d)))
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pascal@17591
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140 #define FG(b, c, d) FF(d, b, c)
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pascal@17591
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141 #define FH(b, c, d) (b ^ c ^ d)
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pascal@17591
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142 #define FI(b, c, d) (c ^ (b | ~d))
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pascal@17591
|
143
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pascal@17591
|
144 /* Hash a single block, 64 bytes long and 4-byte aligned */
|
pascal@17591
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145 static void md5_process_block64(void)
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pascal@17591
|
146 {
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pascal@17591
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147 uint32_t *words = (void*) wbuffer;
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pascal@17591
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148 uint32_t A = hash[0];
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pascal@17591
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149 uint32_t B = hash[1];
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pascal@17591
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150 uint32_t C = hash[2];
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pascal@17591
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151 uint32_t D = hash[3];
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pascal@17591
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152
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pascal@17591
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153 const uint32_t *pc;
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pascal@17591
|
154 const char *pp;
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pascal@17591
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155 const char *ps;
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pascal@17591
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156 int i;
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pascal@17591
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157 uint32_t temp;
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pascal@17591
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158
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pascal@17591
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159
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pascal@17591
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160 pc = C_array;
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pascal@17591
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161 pp = P_array;
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pascal@17591
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162 ps = S_array - 4;
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pascal@17591
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163
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pascal@17591
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164 for (i = 0; i < 64; i++) {
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pascal@17591
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165 if ((i & 0x0f) == 0)
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pascal@17591
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166 ps += 4;
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pascal@17591
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167 temp = A;
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pascal@17591
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168 switch (i >> 4) {
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pascal@17591
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169 case 0:
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pascal@17591
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170 temp += FF(B, C, D);
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pascal@17591
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171 break;
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pascal@17591
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172 case 1:
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pascal@17591
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173 temp += FG(B, C, D);
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pascal@17591
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174 break;
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pascal@17591
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175 case 2:
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pascal@17591
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176 temp += FH(B, C, D);
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pascal@17591
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177 break;
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pascal@17591
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178 case 3:
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pascal@17591
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179 temp += FI(B, C, D);
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pascal@17591
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180 }
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pascal@17591
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181 temp += words[(int) (*pp++)] + *pc++;
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pascal@17591
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182 temp = rotl32(temp, ps[i & 3]);
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pascal@17591
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183 temp += B;
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pascal@17591
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184 A = D;
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pascal@17591
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185 D = C;
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pascal@17591
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186 C = B;
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pascal@17591
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187 B = temp;
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pascal@17591
|
188 }
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pascal@17591
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189 /* Add checksum to the starting values */
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pascal@17591
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190 hash[0] += A;
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pascal@17591
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191 hash[1] += B;
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pascal@17591
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192 hash[2] += C;
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pascal@17591
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193 hash[3] += D;
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pascal@17591
|
194
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pascal@17591
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195 }
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pascal@17591
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196 #undef FF
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pascal@17591
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197 #undef FG
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pascal@17591
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198 #undef FH
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pascal@17591
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199 #undef FI
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pascal@17591
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200
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pascal@17591
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201 /* Initialize structure containing state of computation.
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pascal@17591
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202 * (RFC 1321, 3.3: Step 3)
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pascal@17591
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203 */
|
pascal@17591
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204 static void md5_begin(void)
|
pascal@17591
|
205 {
|
pascal@17591
|
206 hash[0] = 0x67452301;
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pascal@17591
|
207 hash[1] = 0xefcdab89;
|
pascal@17591
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208 hash[2] = 0x98badcfe;
|
pascal@17591
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209 hash[3] = 0x10325476;
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pascal@17591
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210 total64.l = total64.h = 0;
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pascal@17591
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211 }
|
pascal@17591
|
212
|
pascal@17591
|
213 /* Used also for sha1 and sha256 */
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pascal@17591
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214 #define md5_hash common64_hash
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pascal@17591
|
215
|
pascal@17591
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216 /* Process the remaining bytes in the buffer and put result from CTX
|
pascal@17591
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217 * in first 16 bytes following RESBUF. The result is always in little
|
pascal@17591
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218 * endian byte order, so that a byte-wise output yields to the wanted
|
pascal@17591
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219 * ASCII representation of the message digest.
|
pascal@17591
|
220 */
|
pascal@17591
|
221 #define md5_end common64_end
|
pascal@17591
|
222
|
pascal@18775
|
223 static int writenhash(void *buffer, size_t len)
|
pascal@18775
|
224 {
|
pascal@18775
|
225 md5_hash(buffer, len);
|
pascal@18775
|
226 return write(fd, buffer, len);
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pascal@18775
|
227 }
|
pascal@18775
|
228
|
pascal@17591
|
229 static void md5sum(void)
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pascal@17591
|
230 {
|
pascal@17591
|
231 unsigned long sectors = 0;
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pascal@17591
|
232 int count;
|
pascal@17591
|
233
|
pascal@17591
|
234 lseek(fd, 32768UL, SEEK_SET);
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pascal@17591
|
235
|
pascal@17591
|
236 md5_begin();
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pascal@17591
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237 while ((count = read(fd, buffer, BUFFERSZ)) > 0) {
|
pascal@17591
|
238 if (sectors == 0)
|
pascal@17591
|
239 sectors = LONG(buffer + 80);
|
pascal@17591
|
240 md5_hash(buffer, count);
|
pascal@17591
|
241 if (--sectors == 0)
|
pascal@17591
|
242 break;
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pascal@17591
|
243 }
|
pascal@17591
|
244
|
pascal@17591
|
245 if (count < 0)
|
pascal@17591
|
246 return;
|
pascal@17591
|
247
|
pascal@17591
|
248 md5_end();
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pascal@17591
|
249
|
pascal@17591
|
250 lseek(fd, 32752UL, SEEK_SET);
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pascal@17591
|
251 write(fd, hash, 16);
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pascal@17591
|
252 memcpy(bootiso + BOOTISOSZ - 16, hash, 16);
|
pascal@17591
|
253 }
|
pascal@17591
|
254
|
pascal@17591
|
255 static unsigned chksum(unsigned start, unsigned stop)
|
pascal@17591
|
256 {
|
pascal@17591
|
257 unsigned i, n = 0;
|
pascal@17591
|
258
|
pascal@17591
|
259 lseek(fd, 0UL /* (unsigned long) (start / BUFFERSZ) */, SEEK_SET);
|
pascal@17591
|
260 while (1) {
|
pascal@17591
|
261 if (read(fd, buffer, BUFFERSZ) != BUFFERSZ)
|
pascal@17591
|
262 return 0;
|
pascal@17591
|
263 for (i = start % BUFFERSZ; i < BUFFERSZ; i += 2, start += 2) {
|
pascal@17591
|
264 if (start >= stop)
|
pascal@17591
|
265 return - n;
|
pascal@17591
|
266 n += WORD(buffer + i);
|
pascal@17591
|
267 }
|
pascal@17591
|
268 }
|
pascal@17591
|
269 }
|
pascal@17591
|
270
|
pascal@18783
|
271 static unsigned clear_config(unsigned i)
|
pascal@18779
|
272 {
|
pascal@18779
|
273 for (;i % 512; i++) {
|
pascal@18779
|
274 /* clear custom config */
|
pascal@18779
|
275 write(fd, buffer + 2048, 2048);
|
pascal@18779
|
276 }
|
pascal@18783
|
277 return i;
|
pascal@18779
|
278 }
|
pascal@18779
|
279
|
pascal@17451
|
280 static unsigned install(char *filename)
|
pascal@14150
|
281 {
|
pascal@14150
|
282 #define heads 64
|
pascal@14150
|
283 #define sectors 32
|
pascal@17489
|
284 #define partition (446+16)
|
pascal@17451
|
285 #define trksz (512UL * heads * sectors)
|
pascal@14150
|
286 unsigned long size, catalog, lba;
|
pascal@14261
|
287 int cylinders, i, j, isohybrid;
|
pascal@14150
|
288 unsigned n;
|
pascal@18775
|
289 #ifdef __MSDOS__
|
pascal@14268
|
290 for (bootiso = (char *) install;
|
pascal@17451
|
291 bootiso[0] != 'M' || bootiso[1] != 'Z' || bootiso[2] != '\xEB';
|
pascal@17451
|
292 bootiso++) if (bootiso < (char *) install) {
|
pascal@17451
|
293 bootiso = "No bootiso data";
|
pascal@17451
|
294 return 0;
|
pascal@17451
|
295 }
|
pascal@14150
|
296 #endif
|
pascal@14268
|
297 if (!filename)
|
pascal@17451
|
298 return USAGE;
|
pascal@14268
|
299 fd = open(filename,O_RDWR|O_BINARY);
|
pascal@14150
|
300 if (fd == -1)
|
pascal@17451
|
301 return OPENERR;
|
pascal@14150
|
302
|
pascal@17591
|
303 if (uninstall) {
|
pascal@17591
|
304 struct { char check[sizeof(tazlitoinfo) - BUFFERSZ - 1024]; };
|
pascal@17591
|
305 readsector(0UL);
|
pascal@18775
|
306 n = BUFFERSZ; /* fill with zeros */
|
pascal@17591
|
307 if (WORD(buffer) == 23117) {
|
pascal@18775
|
308 /* restore isolinux hybrid boot */
|
pascal@17810
|
309 readsector((unsigned long) buffer[417]);
|
pascal@18775
|
310 n = 0; /* fill with hybrid boot */
|
pascal@17591
|
311 }
|
pascal@17591
|
312 lseek(fd, 0UL, SEEK_SET);
|
pascal@17591
|
313 for (i = 0; i < 32; i++, n = BUFFERSZ) {
|
pascal@18789
|
314 write(fd, buffer + n, BUFFERSZ);
|
pascal@17591
|
315 }
|
pascal@18775
|
316 i = getcustomsector();
|
pascal@18775
|
317 lseek(fd, i * 2048UL, SEEK_SET);
|
pascal@18783
|
318 i = clear_config(i);
|
pascal@18775
|
319 ftruncate(fd, i * 2048UL);
|
pascal@17591
|
320 close(fd);
|
pascal@17591
|
321 status = 0;
|
pascal@17591
|
322 return UNINSTALLMSG;
|
pascal@17591
|
323 }
|
pascal@17591
|
324
|
pascal@18781
|
325 readsector(0UL);
|
pascal@18781
|
326 if (buffer[0] == 'M' && buffer[1] == 'Z') {
|
pascal@18781
|
327 if (forced == 0)
|
pascal@18781
|
328 return ALREADYEXEERR;
|
pascal@18781
|
329 n = (buffer[417] + 1) * 512;
|
pascal@18781
|
330 i = 0x8000 - 1024;
|
pascal@18781
|
331 if (i > sizeof(tazlitoinfo))
|
pascal@18781
|
332 i = sizeof(tazlitoinfo);
|
pascal@18781
|
333 if (lseek(fd, n, SEEK_SET) == -1 ||
|
pascal@18781
|
334 read(fd, tazlitoinfo, sizeof(tazlitoinfo)) != sizeof(tazlitoinfo) ||
|
pascal@18781
|
335 lseek(fd, 1024UL, SEEK_SET) == -1 ||
|
pascal@18781
|
336 write(fd, tazlitoinfo, i) != i) {
|
pascal@18781
|
337 puts(bootiso+READSECTORERR);
|
pascal@18781
|
338 exit(1);
|
pascal@18781
|
339 }
|
pascal@18781
|
340 }
|
pascal@18781
|
341
|
pascal@18780
|
342 do {
|
pascal@18780
|
343 /* Install hybridiso boot sector */
|
pascal@18780
|
344 readsector(17UL);
|
pascal@18780
|
345 status = ELTORITOERR;
|
pascal@18780
|
346 if (strncmp(buffer+7, bootiso+ELTORITOERR+ELTORITOOFS, 23))
|
pascal@18780
|
347 break;
|
pascal@18780
|
348 catalog = LONG(buffer + 71);
|
pascal@18780
|
349 readsector(catalog);
|
pascal@18780
|
350 status = CATALOGERR;
|
pascal@18780
|
351 if (LONG(buffer) != 1 || LONG(buffer + 30) != 0x88AA55UL)
|
pascal@18780
|
352 break;
|
pascal@18780
|
353 lba = LONG(buffer + 40);
|
pascal@18780
|
354 readsector(lba);
|
pascal@18780
|
355 status = HYBRIDERR;
|
pascal@18780
|
356 if (LONG(buffer + 64) != 1886961915UL)
|
pascal@18780
|
357 break;
|
pascal@18780
|
358 isohybrid = bootiso[417] * 512;
|
pascal@18780
|
359 LONG(bootiso + isohybrid + 432) = lba * 4;
|
pascal@18780
|
360 LONG(bootiso + isohybrid + 440) = rand();
|
pascal@18780
|
361 LONG(bootiso + isohybrid + partition) = 0x10080UL;
|
pascal@18780
|
362 WORD(bootiso + isohybrid + 510) = 0xAA55U;
|
pascal@18780
|
363 #if 0
|
pascal@18780
|
364 size = lseek(fd, 0UL, SEEK_END);
|
pascal@18780
|
365 size += 0x000FFFFFUL;
|
pascal@18780
|
366 size &= 0xFFF00000UL;
|
pascal@18780
|
367 #else
|
pascal@18780
|
368 for (size = 0x000FFFFFUL; /* 1M - 1 */
|
pascal@18780
|
369 read(fd, tazlitoinfo, 1024) == 1024;
|
pascal@18780
|
370 size += 1024);
|
pascal@18780
|
371 size &= 0xFFF00000UL; /* round */
|
pascal@18780
|
372 #endif
|
pascal@18780
|
373 cylinders = (size >> 20) - 1;
|
pascal@18780
|
374 bootiso[isohybrid + partition + 4] = 23; /* "Windows hidden IFS" */
|
pascal@18780
|
375 bootiso[isohybrid + partition + 5] = heads - 1;
|
pascal@18780
|
376 bootiso[isohybrid + partition + 6] = ((cylinders & 0x300) >> 2) + sectors;
|
pascal@18780
|
377 bootiso[isohybrid + partition + 7] = cylinders & 0xFF;
|
pascal@18780
|
378 LONG(bootiso + isohybrid + partition + 8) = 0;
|
pascal@18780
|
379 LONG(bootiso + isohybrid + partition + 12) = (size >> 9);
|
pascal@18780
|
380
|
pascal@18780
|
381 /* Copy the partition table */
|
pascal@18780
|
382 memcpy(bootiso + 0x1BE, bootiso + isohybrid + 0x1BE, 66);
|
pascal@18780
|
383 status = 0;
|
pascal@18780
|
384 } while (0);
|
pascal@18780
|
385
|
pascal@18780
|
386 if (forced == 0 && status)
|
pascal@18780
|
387 return status;
|
pascal@18780
|
388
|
pascal@18780
|
389 status = 1;
|
pascal@18775
|
390 if (append || initrd) {
|
pascal@18775
|
391 unsigned long pos = getcustomsector() * 2048UL;
|
pascal@18775
|
392 lseek(fd, pos, SEEK_SET);
|
pascal@18779
|
393 clear_config(pos);
|
pascal@18779
|
394 lseek(fd, pos, SEEK_SET);
|
pascal@18775
|
395 write(fd, "#!boot 00000000000000000000000000000000\n", 40);
|
pascal@18789
|
396 n = pos + 40;
|
pascal@18775
|
397 md5_begin();
|
pascal@18775
|
398 if (append) {
|
pascal@18789
|
399 i = strlen(append);
|
pascal@18775
|
400 writenhash("append=", 7);
|
pascal@18789
|
401 writenhash(append, i);
|
pascal@18775
|
402 writenhash("\n", 1);
|
pascal@18789
|
403 n += i + 8;
|
pascal@18775
|
404 }
|
pascal@18775
|
405 if (initrd) {
|
pascal@18775
|
406 char number[16], *p;
|
pascal@18775
|
407 unsigned long end, x;
|
pascal@18775
|
408 int data = open(initrd,O_RDONLY|O_BINARY);
|
pascal@18775
|
409 if (data == -1)
|
pascal@18775
|
410 return OPENINITRDERR;
|
pascal@18775
|
411 for (end = 0;; end += i) {
|
pascal@18775
|
412 i = read(data, buffer, BUFFERSZ);
|
pascal@18775
|
413 if (i <= 0)
|
pascal@18775
|
414 break;
|
pascal@18775
|
415 }
|
pascal@18775
|
416 p = number + sizeof(number) -1;
|
pascal@18775
|
417 x = end; *p-- = '\n';
|
pascal@18775
|
418 do {
|
pascal@18775
|
419 *p-- = '0' + (x % 10);
|
pascal@18775
|
420 x /= 10;
|
pascal@18775
|
421 } while (x);
|
pascal@18775
|
422 if (*++p != '0') {
|
pascal@18775
|
423 writenhash("initrd:", 7);
|
pascal@18775
|
424 i = number - p + sizeof(number);
|
pascal@18775
|
425 writenhash(p, i);
|
pascal@18789
|
426 n += i + 7;
|
pascal@18775
|
427 lseek(data, 0UL, SEEK_SET);
|
pascal@18775
|
428 do {
|
pascal@18775
|
429 i = read(data, buffer, BUFFERSZ);
|
pascal@18775
|
430 if (i <= 0)
|
pascal@18775
|
431 break;
|
pascal@18775
|
432 if (i > end)
|
pascal@18775
|
433 i = end;
|
pascal@18775
|
434 writenhash(buffer, i);
|
pascal@18789
|
435 n += i;
|
pascal@18775
|
436 end -= i;
|
pascal@18775
|
437 } while (end != 0);
|
pascal@18775
|
438 }
|
pascal@18775
|
439 close(data);
|
pascal@18775
|
440 }
|
pascal@18789
|
441 while (n & 0x000FFFFFUL) {
|
pascal@18789
|
442 unsigned long i = 0x100000UL - (n & 0x000FFFFFUL);
|
pascal@18789
|
443 if (i > BUFFERSZ)
|
pascal@18789
|
444 i = BUFFERSZ;
|
pascal@18789
|
445 i = write(fd, buffer + BUFFERSZ, i);
|
pascal@18789
|
446 if (i <= 0)
|
pascal@18789
|
447 break;
|
pascal@18789
|
448 n += i;
|
pascal@18789
|
449 }
|
pascal@18789
|
450 ftruncate(fd, n);
|
pascal@18775
|
451 md5_end();
|
pascal@18775
|
452 {
|
pascal@18779
|
453 static char h[] = "0123456789abcdef";
|
pascal@18775
|
454 char string[32], *s = string + 30;
|
pascal@18775
|
455 unsigned char *p = (void *) hash;
|
pascal@18775
|
456
|
pascal@18775
|
457 lseek(fd, 7 + pos, SEEK_SET);
|
pascal@18775
|
458 for (p += 15; s >= string; p--, s -= 2) {
|
pascal@18775
|
459 s[1] = h[ *p & 15 ];
|
pascal@18775
|
460 s[0] = h[ *p >> 4 ];
|
pascal@18775
|
461 }
|
pascal@18775
|
462 write(fd, string, 32);
|
pascal@18775
|
463 }
|
pascal@18775
|
464 }
|
pascal@18775
|
465
|
pascal@17451
|
466 /* Install iso2exe boot sector */
|
pascal@17810
|
467 LONG(bootiso + 440) = time(NULL);
|
pascal@14150
|
468
|
pascal@17451
|
469 /* read tazlito flavor data */
|
pascal@14261
|
470 lseek(fd, 1024UL, SEEK_SET);
|
pascal@14261
|
471 read(fd, tazlitoinfo, sizeof(tazlitoinfo));
|
pascal@14261
|
472
|
pascal@17451
|
473 /* Update iso image */
|
pascal@17810
|
474 n = (bootiso[417] + 1) * 512;
|
pascal@14151
|
475 lseek(fd, 0UL, SEEK_SET);
|
pascal@17451
|
476 write(fd, bootiso, n); /* EXE/PE + isohybrid mbr */
|
pascal@17489
|
477 write(fd, tazlitoinfo, sizeof(tazlitoinfo));
|
pascal@17451
|
478 write(fd, bootiso + n, BOOTISOSZ - n); /* COM + rootfs + EXE/DOS */
|
pascal@14150
|
479
|
pascal@17810
|
480 /* Compute the boot checksums */
|
pascal@17810
|
481 if (!skipmd5) {
|
pascal@17591
|
482 puts(bootiso + MD5MSG);
|
pascal@17591
|
483 md5sum();
|
pascal@17591
|
484 lseek(fd, 0UL, SEEK_SET);
|
pascal@17591
|
485 write(fd, bootiso, 512);
|
pascal@17810
|
486 n = WORD(bootiso + 2) - 512*(WORD(bootiso + 4) - 1);
|
pascal@17810
|
487 WORD(bootiso + 18) = chksum(0, (unsigned short) n) - 1;
|
pascal@17591
|
488 }
|
pascal@17810
|
489 lseek(fd, 0UL, SEEK_SET);
|
pascal@17810
|
490 write(fd, bootiso, 512);
|
pascal@14150
|
491 close(fd);
|
pascal@14268
|
492 status = 0;
|
pascal@17451
|
493 return SUCCESSMSG;
|
pascal@14150
|
494 }
|
pascal@14268
|
495
|
pascal@14268
|
496 int main(int argc, char *argv[])
|
pascal@14268
|
497 {
|
pascal@17591
|
498 int i;
|
pascal@18775
|
499 char *s;
|
pascal@18775
|
500
|
pascal@18775
|
501 while (argc > 2) {
|
pascal@18775
|
502 s = argv[1];
|
pascal@18775
|
503 if (*s != '-') break;
|
pascal@18775
|
504 while (*s == '-') s++;
|
pascal@18775
|
505 switch (*s | 0x20) {
|
pascal@18775
|
506 case 'a' : append=argv[2]; break;
|
pascal@18775
|
507 case 'i' : initrd=argv[2]; break;
|
pascal@18775
|
508 }
|
pascal@18775
|
509 argv += 2;
|
pascal@18775
|
510 argc -= 2;
|
pascal@18775
|
511 }
|
pascal@17591
|
512 for (i = 2; i < argc; i++) {
|
pascal@17591
|
513 char *s = argv[i];
|
pascal@17591
|
514 while ((unsigned)(*s - '-') <= ('/' - '-')) s++;
|
pascal@17591
|
515 switch (*s | 0x20) {
|
pascal@17591
|
516 case 'f' : forced++; break;
|
pascal@17810
|
517 case 'q' : skipmd5++; break;
|
pascal@17591
|
518 case 'u' : uninstall++; break;
|
pascal@17591
|
519 }
|
pascal@17591
|
520 }
|
pascal@17451
|
521 puts(bootiso + install(argv[1]));
|
pascal@16055
|
522 if (status > 1)
|
pascal@17451
|
523 puts(bootiso + FORCEMSG);
|
pascal@14268
|
524 #ifdef WIN32
|
pascal@14268
|
525 Sleep(2000);
|
pascal@14268
|
526 #endif
|
pascal@14268
|
527 return status;
|
pascal@14268
|
528 }
|