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libsec: use the right string encoding for various x509 fields

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C= has to be PrintableString, E= and DC= are IA5String, everything
else is DirectoryString which can be PrintableString or UTF8String.
This commit is contained in:
cinap_lenrek 2015-10-09 18:31:49 +02:00
parent 4040ea7a5e
commit 6bb63f7832
1 changed files with 31 additions and 12 deletions
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43
sys/src/libsec/port/x509.c
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@ -2358,12 +2358,12 @@ mkbigint(mpint *p)
}
static Elem
mkstring(char *s)
mkstring(char *s, int t)
{
Elem e;
e.tag.class = Universal;
e.tag.num = IA5String;
e.tag.num = t;
e.val.tag = VString;
e.val.u.stringval = estrdup(s);
return e;
@ -2451,25 +2451,44 @@ mkalg(int alg)
return mkseq(mkel(mkoid(alg_oid_tab[alg]), mkel(Null(), nil)));
}
static int
printable(char *s)
{
int c;
while((c = (uchar)*s++) != 0){
if((c >= 'a' && c <= 'z')
|| (c >= 'A' && c <= 'Z')
|| (c >= '0' && c <= '9')
|| strchr("'=()+,-./:? ", c) != nil)
continue;
return 0;
}
return 1;
}
typedef struct Ints7pref {
int len;
int data[7];
int len;
int data[7];
char prefix[4];
int stype;
} Ints7pref;
Ints7pref DN_oid[] = {
{4, 2, 5, 4, 6, 0, 0, 0, "C="},
{4, 2, 5, 4, 8, 0, 0, 0, "ST="},
{4, 2, 5, 4, 7, 0, 0, 0, "L="},
{4, 2, 5, 4, 10, 0, 0, 0, "O="},
{4, 2, 5, 4, 11, 0, 0, 0, "OU="},
{4, 2, 5, 4, 3, 0, 0, 0, "CN="},
{7, 1,2,840,113549,1,9,1, "E="},
{4, 2, 5, 4, 6, 0, 0, 0, "C=", PrintableString},
{4, 2, 5, 4, 8, 0, 0, 0, "ST=" },
{4, 2, 5, 4, 7, 0, 0, 0, "L=" },
{4, 2, 5, 4, 10, 0, 0, 0, "O=" },
{4, 2, 5, 4, 11, 0, 0, 0, "OU=" },
{4, 2, 5, 4, 3, 0, 0, 0, "CN=" },
{7, 1,2,840,113549,1,9,1, "E=", IA5String},
{7, 0,9,2342,19200300,100,1,25, "DC=",IA5String},
};
static Elem
mkname(Ints7pref *oid, char *subj)
{
return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj), nil))), nil));
int stype = oid->stype ? oid->stype : (printable(subj) ? PrintableString : UTF8String);
return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj, stype), nil))), nil));
}
static Elem