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mkpasswd: implement a generic way to provide the hash type

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This commit is contained in:
Marco d'Itri 2018-10-14 03:41:14 +02:00
parent 80c36bb8e5
commit 4d24d493ff
2 changed files with 15 additions and 0 deletions
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4
mkpasswd.1
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@ -25,6 +25,8 @@ The behavior is undefined if this option is used without \fI--method\fP.
.B -m, --method=TYPE
Compute the password using the \fITYPE\fP method.
If \fITYPE\fP is \fIhelp\fP then the available methods are printed.
If \fITYPE\fP begins and end with \fI$\fP characters then the string
is passed to \fIcrypt_gensalt(3)\fP as-is.
.TP
.B -5
Like \fI--method=md5\fP.
@ -50,6 +52,8 @@ This programs suffers of a bad case of featuritis.
.IR passwd(1),
.IR passwd(5),
.IR crypt(3),
.IR crypt(5),
.IR crypt_gensalt(3),
.IR getpass(3)
.SH AUTHOR
.B mkpasswd

11
mkpasswd.c
View File

@ -181,6 +181,17 @@ int main(int argc, char *argv[])
display_methods();
exit(0);
}
#if defined HAVE_LINUX_CRYPT_GENSALT || defined HAVE_SOLARIS_CRYPT_GENSALT
if (optarg[0] == '$'
&& strlen(optarg) > 2
&& *(optarg + strlen(optarg) - 1) == '$') {
salt_prefix = NOFAIL(strdup(optarg));
salt_minlen = 0;
salt_maxlen = 0;
rounds_support = 0;
break;
}
#endif
for (i = 0; methods[i].method != NULL; i++)
if (strcaseeq(methods[i].method, optarg)) {
salt_prefix = methods[i].prefix;