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use eina_sha1() instead of duplicated code

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Vincent Torri 2023-10-03 08:50:36 +02:00 committed by Gitea
parent b17bd6574f
commit 9387d94b30
1 changed files with 1 additions and 86 deletions
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87
src/lib/efreet/efreet_cache.c
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@ -545,91 +545,6 @@ efreet_desktop_util_cache_file(void)
/*
* Needs EAPI because of helper binaries
*/
#define SHSH(n, v) ((((v) << (n)) & 0xffffffff) | ((v) >> (32 - (n))))
static inline int
int_to_bigendian(int in)
{
static const unsigned char test[4] = { 0x11, 0x22, 0x33, 0x44 };
static const unsigned int *test_i = (const unsigned int *)test;
if (test_i[0] == 0x44332211) return eina_swap32(in);
return in;
}
static void
sha1(unsigned char *data, int size, unsigned char *dst)
{
unsigned int digest[5], word[80], wa, wb, wc, wd, we, t;
unsigned char buf[64], *d;
int idx, left, i;
const unsigned int magic[4] =
{ 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6 };
idx = 0;
digest[0] = 0x67452301; digest[1] = 0xefcdab89; digest[2] = 0x98badcfe;
digest[3] = 0x10325476; digest[4] = 0xc3d2e1f0;
memset(buf, 0, sizeof(buf));
for (left = size, d = data; left > 0; left--, d++)
{
if ((idx == 0) && (left < 64))
{
memset(buf, 0, 60);
buf[60] = (size >> 24) & 0xff;
buf[61] = (size >> 16) & 0xff;
buf[62] = (size >> 8) & 0xff;
buf[63] = (size) & 0xff;
}
buf[idx] = *d;
idx++;
if ((idx == 64) || (left == 1))
{
if ((left == 1) && (idx < 64)) buf[idx] = 0x80;
for (i = 0; i < 16; i++)
{
word[i] = (unsigned int)buf[(i * 4) ] << 24;
word[i] |= (unsigned int)buf[(i * 4) + 1] << 16;
word[i] |= (unsigned int)buf[(i * 4) + 2] << 8;
word[i] |= (unsigned int)buf[(i * 4) + 3];
}
for (i = 16; i < 80; i++)
word[i] = SHSH(1,
word[i - 3 ] ^ word[i - 8 ] ^
word[i - 14] ^ word[i - 16]);
wa = digest[0]; wb = digest[1]; wc = digest[2];
wd = digest[3]; we = digest[4];
for (i = 0; i < 80; i++)
{
if (i < 20)
t = SHSH(5, wa) + ((wb & wc) | ((~wb) & wd)) +
we + word[i] + magic[0];
else if (i < 40)
t = SHSH(5, wa) + (wb ^ wc ^ wd) +
we + word[i] + magic[1];
else if (i < 60)
t = SHSH(5, wa) + ((wb & wc) | (wb & wd) | (wc & wd)) +
we + word[i] + magic[2];
else if (i < 80)
t = SHSH(5, wa) + (wb ^ wc ^ wd) +
we + word[i] + magic[3];
we = wd;
wd = wc;
wc = SHSH(30, wb);
wb = wa;
wa = t;
}
digest[0] += wa; digest[1] += wb; digest[2] += wc;
digest[3] += wd; digest[4] += we;
idx = 0;
}
}
t = int_to_bigendian(digest[0]); digest[0] = t;
t = int_to_bigendian(digest[1]); digest[1] = t;
t = int_to_bigendian(digest[2]); digest[2] = t;
t = int_to_bigendian(digest[3]); digest[3] = t;
t = int_to_bigendian(digest[4]); digest[4] = t;
memcpy(dst, digest, 5 * 4);
}
EAPI Eina_Bool
efreet_file_cache_fill(const char *file, Efreet_Cache_Check *check)
@ -651,7 +566,7 @@ efreet_file_cache_fill(const char *file, Efreet_Cache_Check *check)
if ((size > 0) && ((size_t)size >= sizeof(link))) return EINA_FALSE;
if (stat(file, &st) != 0) return EINA_FALSE;
}
if (size > 0) sha1((unsigned char *)link, size, check->link_sha1);
if (size > 0) eina_sha1((const unsigned char *)link, size, check->link_sha1);
#endif
check->uid = st.st_uid;
check->gid = st.st_gid;