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refactor get_salt function

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refactor get_salt function to make it easier to read.
This commit is contained in:
juyin 2022-04-01 09:26:29 +08:00 committed by Serge Hallyn
parent 3732cf72d6
commit 3c1e5fcf16
1 changed files with 27 additions and 29 deletions
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56
src/chpasswd.c
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@ -394,38 +394,36 @@ static void close_files (void)
static const char *get_salt(void) static const char *get_salt(void)
{ {
if ( !eflg void *arg = NULL;
&& ( (NULL == crypt_method)
|| (0 != strcmp (crypt_method, "NONE")))) {
void *arg = NULL;
if (md5flg) { if (eflg || ((NULL != crypt_method) && (0 == strcmp (crypt_method, "NONE")))) {
crypt_method = "MD5"; return NULL;
}
#if defined(USE_SHA_CRYPT) || defined(USE_BCRYPT) || defined(USE_YESCRYPT)
if (sflg) {
#if defined(USE_SHA_CRYPT)
if ( (0 == strcmp (crypt_method, "SHA256"))
|| (0 == strcmp (crypt_method, "SHA512"))) {
arg = &sha_rounds;
}
#endif /* USE_SHA_CRYPT */
#if defined(USE_BCRYPT)
if (0 == strcmp (crypt_method, "BCRYPT")) {
arg = &bcrypt_rounds;
}
#endif /* USE_BCRYPT */
#if defined(USE_YESCRYPT)
if (0 == strcmp (crypt_method, "YESCRYPT")) {
arg = &yescrypt_cost;
}
#endif /* USE_YESCRYPT */
}
#endif
return crypt_make_salt (crypt_method, arg);
} }
return NULL; if (md5flg) {
crypt_method = "MD5";
}
#if defined(USE_SHA_CRYPT) || defined(USE_BCRYPT) || defined(USE_YESCRYPT)
if (sflg) {
#if defined(USE_SHA_CRYPT)
if ((0 == strcmp (crypt_method, "SHA256"))
|| (0 == strcmp (crypt_method, "SHA512"))) {
arg = &sha_rounds;
}
#endif /* USE_SHA_CRYPT */
#if defined(USE_BCRYPT)
if (0 == strcmp (crypt_method, "BCRYPT")) {
arg = &bcrypt_rounds;
}
#endif /* USE_BCRYPT */
#if defined(USE_YESCRYPT)
if (0 == strcmp (crypt_method, "YESCRYPT")) {
arg = &yescrypt_cost;
}
#endif /* USE_YESCRYPT */
}
#endif
return crypt_make_salt (crypt_method, arg);
} }
int main (int argc, char **argv) int main (int argc, char **argv)