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libbb: random hunt for statics
function old new delta bb_askpass 306 321 +15 pw_encrypt 38 39 +1 static.passwd 64 4 -60 static.cipher 128 4 -124 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/2 up/down: 16/-184) Total: -168 bytes # size busybox_old busybox_unstripped text data bss dec hex filename 683705 2704 14240 700649 ab0e9 busybox_old 683721 2704 14064 700489 ab049 busybox_unstripped
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@ -9,7 +9,6 @@
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*/
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#include <termios.h>
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//#include <sys/ioctl.h>
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#include "libbb.h"
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@ -20,18 +19,22 @@ static void askpass_timeout(int ATTRIBUTE_UNUSED ignore)
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char *bb_askpass(int timeout, const char * prompt)
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{
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static char passwd[64];
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/* Was static char[BIGNUM] */
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enum { sizeof_passwd = 128 };
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static char *passwd;
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char *ret;
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int i;
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struct sigaction sa;
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struct termios old, new;
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if (!passwd)
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passwd = xmalloc(sizeof_passwd);
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memset(passwd, 0, sizeof_passwd);
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tcgetattr(STDIN_FILENO, &old);
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tcflush(STDIN_FILENO, TCIFLUSH);
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memset(passwd, 0, sizeof(passwd));
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fputs(prompt, stdout);
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fflush(stdout);
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@ -48,7 +51,9 @@ char *bb_askpass(int timeout, const char * prompt)
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}
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ret = NULL;
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if (read(STDIN_FILENO, passwd, sizeof(passwd)-1) > 0) {
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/* On timeout, read will hopefully be interrupted by SIGALRM,
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* and we return NULL */
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if (read(STDIN_FILENO, passwd, sizeof_passwd-1) > 0) {
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ret = passwd;
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i = 0;
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/* Last byte is guaranteed to be 0
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@ -64,7 +69,7 @@ char *bb_askpass(int timeout, const char * prompt)
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}
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tcsetattr(STDIN_FILENO, TCSANOW, &old);
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puts("");
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putchar('\n');
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fflush(stdout);
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return ret;
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}
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@ -12,18 +12,16 @@
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char *pw_encrypt(const char *clear, const char *salt)
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{
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static char cipher[128];
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char *cp;
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/* Was static char[BIGNUM]. Malloced thing works as well */
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static char *cipher;
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#if 0 /* was CONFIG_FEATURE_SHA1_PASSWORDS, but there is no such thing??? */
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if (strncmp(salt, "$2$", 3) == 0) {
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return sha1_crypt(clear);
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}
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#endif
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cp = (char *) crypt(clear, salt);
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/* if crypt (a nonstandard crypt) returns a string too large,
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truncate it so we don't overrun buffers and hope there is
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enough security in what's left */
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safe_strncpy(cipher, cp, sizeof(cipher));
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free(cipher);
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cipher = xstrdup(crypt(clear, salt));
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return cipher;
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}
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