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    revision 983 by niro, Fri Apr 24 18:33:46 2009 UTC revision 984 by niro, Sun May 30 11:32:42 2010 UTC
    # Line 8  Line 8 
    8    
    9  #include "libbb.h"  #include "libbb.h"
    10    
    11  typedef enum { HASH_SHA1, HASH_MD5 } hash_algo_t;  typedef enum {
    12     /* 4th letter of applet_name is... */
    13     HASH_MD5 = 's', /* "md5>s<um" */
    14     HASH_SHA1 = '1',
    15     HASH_SHA256 = '2',
    16     HASH_SHA512 = '5',
    17    } hash_algo_t;
    18    
    19  #define FLAG_SILENT 1  #define FLAG_SILENT 1
    20  #define FLAG_CHECK 2  #define FLAG_CHECK 2
    # Line 24  static unsigned char *hash_bin_to_hex(un Line 30  static unsigned char *hash_bin_to_hex(un
    30   return (unsigned char *)hex_value;   return (unsigned char *)hex_value;
    31  }  }
    32    
    33  static uint8_t *hash_file(const char *filename, hash_algo_t hash_algo)  static uint8_t *hash_file(const char *filename /*, hash_algo_t hash_algo*/)
    34  {  {
    35   int src_fd, hash_len, count;   int src_fd, hash_len, count;
    36   union _ctx_ {   union _ctx_ {
    37     sha512_ctx_t sha512;
    38     sha256_ctx_t sha256;
    39   sha1_ctx_t sha1;   sha1_ctx_t sha1;
    40   md5_ctx_t md5;   md5_ctx_t md5;
    41   } context;   } context;
    # Line 35  static uint8_t *hash_file(const char *fi Line 43  static uint8_t *hash_file(const char *fi
    43   RESERVE_CONFIG_UBUFFER(in_buf, 4096);   RESERVE_CONFIG_UBUFFER(in_buf, 4096);
    44   void FAST_FUNC (*update)(const void*, size_t, void*);   void FAST_FUNC (*update)(const void*, size_t, void*);
    45   void FAST_FUNC (*final)(void*, void*);   void FAST_FUNC (*final)(void*, void*);
    46     hash_algo_t hash_algo = applet_name[3];
    47    
    48   src_fd = open_or_warn_stdin(filename);   src_fd = open_or_warn_stdin(filename);
    49   if (src_fd < 0) {   if (src_fd < 0) {
    # Line 42  static uint8_t *hash_file(const char *fi Line 51  static uint8_t *hash_file(const char *fi
    51   }   }
    52    
    53   /* figure specific hash algorithims */   /* figure specific hash algorithims */
    54   if (ENABLE_MD5SUM && hash_algo==HASH_MD5) {   if (ENABLE_MD5SUM && hash_algo == HASH_MD5) {
    55   md5_begin(&context.md5);   md5_begin(&context.md5);
    56   update = (void*)md5_hash;   update = (void*)md5_hash;
    57   final = (void*)md5_end;   final = (void*)md5_end;
    58   hash_len = 16;   hash_len = 16;
    59   } else if (ENABLE_SHA1SUM && hash_algo==HASH_SHA1) {   } else if (ENABLE_SHA1SUM && hash_algo == HASH_SHA1) {
    60   sha1_begin(&context.sha1);   sha1_begin(&context.sha1);
    61   update = (void*)sha1_hash;   update = (void*)sha1_hash;
    62   final = (void*)sha1_end;   final = (void*)sha1_end;
    63   hash_len = 20;   hash_len = 20;
    64     } else if (ENABLE_SHA256SUM && hash_algo == HASH_SHA256) {
    65     sha256_begin(&context.sha256);
    66     update = (void*)sha256_hash;
    67     final = (void*)sha256_end;
    68     hash_len = 32;
    69     } else if (ENABLE_SHA512SUM && hash_algo == HASH_SHA512) {
    70     sha512_begin(&context.sha512);
    71     update = (void*)sha512_hash;
    72     final = (void*)sha512_end;
    73     hash_len = 64;
    74   } else {   } else {
    75   bb_error_msg_and_die("algorithm not supported");   bb_error_msg_and_die("algorithm not supported");
    76   }   }
    # Line 80  int md5_sha1_sum_main(int argc UNUSED_PA Line 99  int md5_sha1_sum_main(int argc UNUSED_PA
    99   int return_value = EXIT_SUCCESS;   int return_value = EXIT_SUCCESS;
    100   uint8_t *hash_value;   uint8_t *hash_value;
    101   unsigned flags;   unsigned flags;
    102   hash_algo_t hash_algo = ENABLE_MD5SUM   /*hash_algo_t hash_algo = applet_name[3];*/
      ? (ENABLE_SHA1SUM ? (applet_name[0] == 'm' ? HASH_MD5 : HASH_SHA1) : HASH_MD5)  
      : HASH_SHA1;  
    103    
    104   if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK)   if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK) {
    105   flags = getopt32(argv, "scw");   /* -b "binary", -t "text" are ignored (shaNNNsum compat) */
    106     flags = getopt32(argv, "scwbt");
    107     }
    108   else optind = 1;   else optind = 1;
    109   argv += optind;   argv += optind;
    110   //argc -= optind;   //argc -= optind;
    # Line 136  int md5_sha1_sum_main(int argc UNUSED_PA Line 155  int md5_sha1_sum_main(int argc UNUSED_PA
    155   *filename_ptr = '\0';   *filename_ptr = '\0';
    156   filename_ptr += 2;   filename_ptr += 2;
    157    
    158   hash_value = hash_file(filename_ptr, hash_algo);   hash_value = hash_file(filename_ptr /*, hash_algo*/);
    159    
    160   if (hash_value && (strcmp((char*)hash_value, line) == 0)) {   if (hash_value && (strcmp((char*)hash_value, line) == 0)) {
    161   if (!(flags & FLAG_SILENT))   if (!(flags & FLAG_SILENT))
    # Line 157  int md5_sha1_sum_main(int argc UNUSED_PA Line 176  int md5_sha1_sum_main(int argc UNUSED_PA
    176   }   }
    177   /*   /*
    178   if (fclose_if_not_stdin(pre_computed_stream) == EOF) {   if (fclose_if_not_stdin(pre_computed_stream) == EOF) {
    179   bb_perror_msg_and_die("cannot close file %s", file_ptr);   bb_perror_msg_and_die("can't close file %s", file_ptr);
    180   }   }
    181   */   */
    182   } else {   } else {
    183   do {   do {
    184   hash_value = hash_file(*argv, hash_algo);   hash_value = hash_file(*argv/*, hash_algo*/);
    185   if (hash_value == NULL) {   if (hash_value == NULL) {
    186   return_value = EXIT_FAILURE;   return_value = EXIT_FAILURE;
    187   } else {   } else {
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