From 8747cd034a460597a78c4ac616c13e3c981ff1d3 Mon Sep 17 00:00:00 2001 From: Konstantin Serebryany Date: Tue, 3 Jun 2014 16:39:08 +0530 Subject: [PATCH] Remove redundant nested function b64_from_24bit Move multiple definitions of the nested function b64_from_24bit into a single function __b64_from_24bit. --- ChangeLog | 15 ++++++++++ crypt/crypt-private.h | 7 +++++ crypt/crypt_util.c | 18 +++++++++++ crypt/md5-crypt.c | 43 ++++++++------------------ crypt/sha256-crypt.c | 50 ++++++++++++++----------------- crypt/sha512-crypt.c | 83 ++++++++++++++++++++++++++++----------------------- 6 files changed, 121 insertions(+), 95 deletions(-) diff --git a/ChangeLog b/ChangeLog index ad31181..a8e0501 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,18 @@ +2014-06-03 Kostya Serebryany + + * crypt/crypt-private.h: Include ufc-crypt.h. + (__b64_from_24bit): Declare extern. + * crypt/crypt_util.c(__b64_from_24bit): New function. + (b64t): New static const variable. + * crypt/md5-crypt.c (b64_from_24bit): Remove function. + (b64t): Remove variable. + (__md5_crypt_r): Replace b64_from_24bit with __b64_from_24bit. + * crypt/sha256-crypt.c: Include crypt-private.h. + (b64t): Remove variable. + (__sha256_crypt_r): Remove b64_from_24bit and replace + with __b64_from_24bit. + * crypt/sha512-crypt.c: Likewise. + 2014-06-02 Roland McGrath * nptl/sysdeps/unix/sysv/linux/sh/vfork.S: Moved ... diff --git a/crypt/crypt-private.h b/crypt/crypt-private.h index fbaf9c4..ea46a7f 100644 --- a/crypt/crypt-private.h +++ b/crypt/crypt-private.h @@ -28,6 +28,9 @@ #include #include +#include "ufc-crypt.h" +#include "crypt.h" + /* crypt.c */ extern void _ufc_doit_r (ufc_long itr, struct crypt_data * __restrict __data, ufc_long *res); @@ -57,4 +60,8 @@ extern char *__crypt_r (const char *__key, const char *__salt, struct crypt_data * __restrict __data); extern char *fcrypt (const char *key, const char *salt); +extern void __b64_from_24bit (char **cp, int *buflen, + unsigned int b2, unsigned int b1, unsigned int b0, + int n); + #endif /* crypt-private.h */ diff --git a/crypt/crypt_util.c b/crypt/crypt_util.c index 2875931..9381d67 100644 --- a/crypt/crypt_util.c +++ b/crypt/crypt_util.c @@ -253,6 +253,10 @@ static ufc_long eperm32tab[4][256][2]; */ static ufc_long efp[16][64][2]; +/* Table with characters for base64 transformation. */ +static const char b64t[64] = +"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; + /* * For use by the old, non-reentrant routines * (crypt/encrypt/setkey) @@ -956,3 +960,17 @@ setkey(__key) { __setkey_r(__key, &_ufc_foobar); } + +void +__b64_from_24bit (char **cp, int *buflen, + unsigned int b2, unsigned int b1, unsigned int b0, + int n) +{ + unsigned int w = (b2 << 16) | (b1 << 8) | b0; + while (n-- > 0 && (*buflen) > 0) + { + *(*cp)++ = b64t[w & 0x3f]; + --(*buflen); + w >>= 6; + } +} diff --git a/crypt/md5-crypt.c b/crypt/md5-crypt.c index f6739d3..0aa4f7e 100644 --- a/crypt/md5-crypt.c +++ b/crypt/md5-crypt.c @@ -25,6 +25,7 @@ #include #include "md5.h" +#include "crypt-private.h" #ifdef USE_NSS @@ -78,30 +79,12 @@ typedef int PRBool; encryption implementations. */ static const char md5_salt_prefix[] = "$1$"; -/* Table with characters for base64 transformation. */ -static const char b64t[64] = -"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; - /* Prototypes for local functions. */ extern char *__md5_crypt_r (const char *key, const char *salt, char *buffer, int buflen); extern char *__md5_crypt (const char *key, const char *salt); -static void -b64_from_24bit (char **cp, int *buflen, - unsigned int b2, unsigned int b1, unsigned int b0, - int n) -{ - unsigned int w = (b2 << 16) | (b1 << 8) | b0; - while (n-- > 0 && *buflen > 0) - { - *(*cp)++ = b64t[w & 0x3f]; - --*buflen; - w >>= 6; - } -} - /* This entry point is equivalent to the `crypt' function in Unix libcs. */ @@ -282,18 +265,18 @@ __md5_crypt_r (key, salt, buffer, buflen) --buflen; } - b64_from_24bit (&cp, &buflen, - alt_result[0], alt_result[6], alt_result[12], 4); - b64_from_24bit (&cp, &buflen, - alt_result[1], alt_result[7], alt_result[13], 4); - b64_from_24bit (&cp, &buflen, - alt_result[2], alt_result[8], alt_result[14], 4); - b64_from_24bit (&cp, &buflen, - alt_result[3], alt_result[9], alt_result[15], 4); - b64_from_24bit (&cp, &buflen, - alt_result[4], alt_result[10], alt_result[5], 4); - b64_from_24bit (&cp, &buflen, - 0, 0, alt_result[11], 2); + __b64_from_24bit (&cp, &buflen, + alt_result[0], alt_result[6], alt_result[12], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[1], alt_result[7], alt_result[13], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[2], alt_result[8], alt_result[14], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[3], alt_result[9], alt_result[15], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[4], alt_result[10], alt_result[5], 4); + __b64_from_24bit (&cp, &buflen, + 0, 0, alt_result[11], 2); if (buflen <= 0) { __set_errno (ERANGE); diff --git a/crypt/sha256-crypt.c b/crypt/sha256-crypt.c index cf0abd2..6f6a722 100644 --- a/crypt/sha256-crypt.c +++ b/crypt/sha256-crypt.c @@ -26,6 +26,7 @@ #include #include "sha256.h" +#include "crypt-private.h" #ifdef USE_NSS @@ -90,10 +91,6 @@ static const char sha256_rounds_prefix[] = "rounds="; /* Maximum number of rounds. */ #define ROUNDS_MAX 999999999 -/* Table with characters for base64 transformation. */ -static const char b64t[64] = -"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; - /* Prototypes for local functions. */ extern char *__sha256_crypt_r (const char *key, const char *salt, @@ -341,29 +338,28 @@ __sha256_crypt_r (key, salt, buffer, buflen) --buflen; } - void b64_from_24bit (unsigned int b2, unsigned int b1, unsigned int b0, - int n) - { - unsigned int w = (b2 << 16) | (b1 << 8) | b0; - while (n-- > 0 && buflen > 0) - { - *cp++ = b64t[w & 0x3f]; - --buflen; - w >>= 6; - } - } - - b64_from_24bit (alt_result[0], alt_result[10], alt_result[20], 4); - b64_from_24bit (alt_result[21], alt_result[1], alt_result[11], 4); - b64_from_24bit (alt_result[12], alt_result[22], alt_result[2], 4); - b64_from_24bit (alt_result[3], alt_result[13], alt_result[23], 4); - b64_from_24bit (alt_result[24], alt_result[4], alt_result[14], 4); - b64_from_24bit (alt_result[15], alt_result[25], alt_result[5], 4); - b64_from_24bit (alt_result[6], alt_result[16], alt_result[26], 4); - b64_from_24bit (alt_result[27], alt_result[7], alt_result[17], 4); - b64_from_24bit (alt_result[18], alt_result[28], alt_result[8], 4); - b64_from_24bit (alt_result[9], alt_result[19], alt_result[29], 4); - b64_from_24bit (0, alt_result[31], alt_result[30], 3); + __b64_from_24bit (&cp, &buflen, + alt_result[0], alt_result[10], alt_result[20], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[21], alt_result[1], alt_result[11], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[12], alt_result[22], alt_result[2], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[3], alt_result[13], alt_result[23], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[24], alt_result[4], alt_result[14], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[15], alt_result[25], alt_result[5], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[6], alt_result[16], alt_result[26], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[27], alt_result[7], alt_result[17], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[18], alt_result[28], alt_result[8], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[9], alt_result[19], alt_result[29], 4); + __b64_from_24bit (&cp, &buflen, + 0, alt_result[31], alt_result[30], 3); if (buflen <= 0) { __set_errno (ERANGE); diff --git a/crypt/sha512-crypt.c b/crypt/sha512-crypt.c index c0338a7..5e323ea 100644 --- a/crypt/sha512-crypt.c +++ b/crypt/sha512-crypt.c @@ -26,6 +26,7 @@ #include #include "sha512.h" +#include "crypt-private.h" #ifdef USE_NSS @@ -90,10 +91,6 @@ static const char sha512_rounds_prefix[] = "rounds="; /* Maximum number of rounds. */ #define ROUNDS_MAX 999999999 -/* Table with characters for base64 transformation. */ -static const char b64t[64] = -"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; - /* Prototypes for local functions. */ extern char *__sha512_crypt_r (const char *key, const char *salt, @@ -340,40 +337,50 @@ __sha512_crypt_r (key, salt, buffer, buflen) --buflen; } - void b64_from_24bit (unsigned int b2, unsigned int b1, unsigned int b0, - int n) - { - unsigned int w = (b2 << 16) | (b1 << 8) | b0; - while (n-- > 0 && buflen > 0) - { - *cp++ = b64t[w & 0x3f]; - --buflen; - w >>= 6; - } - } - - b64_from_24bit (alt_result[0], alt_result[21], alt_result[42], 4); - b64_from_24bit (alt_result[22], alt_result[43], alt_result[1], 4); - b64_from_24bit (alt_result[44], alt_result[2], alt_result[23], 4); - b64_from_24bit (alt_result[3], alt_result[24], alt_result[45], 4); - b64_from_24bit (alt_result[25], alt_result[46], alt_result[4], 4); - b64_from_24bit (alt_result[47], alt_result[5], alt_result[26], 4); - b64_from_24bit (alt_result[6], alt_result[27], alt_result[48], 4); - b64_from_24bit (alt_result[28], alt_result[49], alt_result[7], 4); - b64_from_24bit (alt_result[50], alt_result[8], alt_result[29], 4); - b64_from_24bit (alt_result[9], alt_result[30], alt_result[51], 4); - b64_from_24bit (alt_result[31], alt_result[52], alt_result[10], 4); - b64_from_24bit (alt_result[53], alt_result[11], alt_result[32], 4); - b64_from_24bit (alt_result[12], alt_result[33], alt_result[54], 4); - b64_from_24bit (alt_result[34], alt_result[55], alt_result[13], 4); - b64_from_24bit (alt_result[56], alt_result[14], alt_result[35], 4); - b64_from_24bit (alt_result[15], alt_result[36], alt_result[57], 4); - b64_from_24bit (alt_result[37], alt_result[58], alt_result[16], 4); - b64_from_24bit (alt_result[59], alt_result[17], alt_result[38], 4); - b64_from_24bit (alt_result[18], alt_result[39], alt_result[60], 4); - b64_from_24bit (alt_result[40], alt_result[61], alt_result[19], 4); - b64_from_24bit (alt_result[62], alt_result[20], alt_result[41], 4); - b64_from_24bit (0, 0, alt_result[63], 2); + __b64_from_24bit (&cp, &buflen, + alt_result[0], alt_result[21], alt_result[42], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[22], alt_result[43], alt_result[1], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[44], alt_result[2], alt_result[23], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[3], alt_result[24], alt_result[45], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[25], alt_result[46], alt_result[4], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[47], alt_result[5], alt_result[26], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[6], alt_result[27], alt_result[48], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[28], alt_result[49], alt_result[7], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[50], alt_result[8], alt_result[29], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[9], alt_result[30], alt_result[51], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[31], alt_result[52], alt_result[10], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[53], alt_result[11], alt_result[32], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[12], alt_result[33], alt_result[54], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[34], alt_result[55], alt_result[13], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[56], alt_result[14], alt_result[35], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[15], alt_result[36], alt_result[57], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[37], alt_result[58], alt_result[16], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[59], alt_result[17], alt_result[38], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[18], alt_result[39], alt_result[60], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[40], alt_result[61], alt_result[19], 4); + __b64_from_24bit (&cp, &buflen, + alt_result[62], alt_result[20], alt_result[41], 4); + __b64_from_24bit (&cp, &buflen, + 0, 0, alt_result[63], 2); if (buflen <= 0) { -- 2.7.4