diff options
author | Dr. Stephen Henson <steve@openssl.org> | 1999-12-02 02:33:56 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 1999-12-02 02:33:56 +0000 |
commit | dd4134101fb41261b20fe47fdf9068c84e923102 (patch) | |
tree | 322439de2b7206640b18faa7eaa3a67943b18bf9 /crypto/x509/x509_trs.c | |
parent | 08cba61011cdf8519a1c7d1316fb27fc724b6945 (diff) |
Change the trust and purpose code so it doesn't need init
either and has a static and dynamic mix.
Diffstat (limited to 'crypto/x509/x509_trs.c')
-rw-r--r-- | crypto/x509/x509_trs.c | 109 |
1 files changed, 71 insertions, 38 deletions
diff --git a/crypto/x509/x509_trs.c b/crypto/x509/x509_trs.c index 94c64a1bcf..f96f5f9b26 100644 --- a/crypto/x509/x509_trs.c +++ b/crypto/x509/x509_trs.c @@ -67,72 +67,110 @@ static void trtable_free(X509_TRUST *p); static int trust_1bit(X509_TRUST *trust, X509 *x, int flags); static int trust_any(X509_TRUST *trust, X509 *x, int flags); +/* WARNING: the following table should be kept in order of trust + * and without any gaps so we can just subtract the minimum trust + * value to get an index into the table + */ + static X509_TRUST trstandard[] = { {X509_TRUST_ANY, 0, trust_any, "Any", 0, NULL}, {X509_TRUST_SSL_CLIENT, 0, trust_1bit, "SSL Client", X509_TRUST_BIT_SSL_CLIENT, NULL}, {X509_TRUST_SSL_SERVER, 0, trust_1bit, "SSL Client", X509_TRUST_BIT_SSL_SERVER, NULL}, {X509_TRUST_EMAIL, 0, trust_1bit, "S/MIME email", X509_TRUST_BIT_EMAIL, NULL}, {X509_TRUST_OBJECT_SIGN, 0, trust_1bit, "Object Signing", X509_TRUST_BIT_OBJECT_SIGN, NULL}, -{0, 0, NULL, NULL, 0, NULL} }; +#define X509_TRUST_COUNT (sizeof(trstandard)/sizeof(X509_TRUST)) + IMPLEMENT_STACK_OF(X509_TRUST) static STACK_OF(X509_TRUST) *trtable = NULL; static int tr_cmp(X509_TRUST **a, X509_TRUST **b) { - return (*a)->trust_id - (*b)->trust_id; + return (*a)->trust - (*b)->trust; } int X509_check_trust(X509 *x, int id, int flags) { - int idx; X509_TRUST *pt; + int idx; if(id == -1) return 1; - idx = X509_TRUST_get_by_id(id); - if(idx == -1) return -1; - pt = sk_X509_TRUST_value(trtable, idx); + if(!(idx = X509_TRUST_get_by_id(id))) return 0; + pt = X509_TRUST_iget(idx); return pt->check_trust(pt, x, flags); } int X509_TRUST_get_count(void) { - return sk_X509_TRUST_num(trtable); + if(!trtable) return X509_TRUST_COUNT; + return sk_X509_TRUST_num(trtable) + X509_TRUST_COUNT; } X509_TRUST * X509_TRUST_iget(int idx) { - return sk_X509_TRUST_value(trtable, idx); + if(idx < 0) return NULL; + if(idx < X509_TRUST_COUNT) return trstandard + idx; + return sk_X509_TRUST_value(trtable, idx - X509_TRUST_COUNT); } int X509_TRUST_get_by_id(int id) { X509_TRUST tmp; - tmp.trust_id = id; + int idx; + if((id >= X509_TRUST_MIN) && (id <= X509_TRUST_MAX)) + return id - X509_TRUST_MIN; + tmp.trust = id; if(!trtable) return -1; - return sk_X509_TRUST_find(trtable, &tmp); + idx = sk_X509_TRUST_find(trtable, &tmp); + if(idx == -1) return -1; + return idx + X509_TRUST_COUNT; } -int X509_TRUST_add(X509_TRUST *xp) +int X509_TRUST_add(int id, int flags, int (*ck)(X509_TRUST *, X509 *, int), + char *name, int arg1, void *arg2) { int idx; - if(!trtable) - { - trtable = sk_X509_TRUST_new(tr_cmp); - if (!trtable) - { + X509_TRUST *trtmp; + /* This is set according to what we change: application can't set it */ + flags &= ~X509_TRUST_DYNAMIC; + /* This will always be set for application modified trust entries */ + flags |= X509_TRUST_DYNAMIC_NAME; + /* Get existing entry if any */ + idx = X509_TRUST_get_by_id(id); + /* Need a new entry */ + if(idx == -1) { + if(!(trtmp = Malloc(sizeof(X509_TRUST)))) { X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE); return 0; - } } - - idx = X509_TRUST_get_by_id(xp->trust_id); - if(idx != -1) { - trtable_free(sk_X509_TRUST_value(trtable, idx)); - sk_X509_TRUST_set(trtable, idx, xp); - } else { - if (!sk_X509_TRUST_push(trtable, xp)) { + trtmp->flags = X509_TRUST_DYNAMIC; + } else trtmp = X509_TRUST_iget(idx); + + /* Free existing name if dynamic */ + if(trtmp->flags & X509_TRUST_DYNAMIC_NAME) Free(trtmp->name); + /* dup supplied name */ + if(!(trtmp->name = BUF_strdup(name))) { + X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE); + return 0; + } + /* Keep the dynamic flag of existing entry */ + trtmp->flags &= X509_TRUST_DYNAMIC; + /* Set all other flags */ + trtmp->flags |= flags; + + trtmp->trust = id; + trtmp->check_trust = ck; + trtmp->arg1 = arg1; + trtmp->arg2 = arg2; + + /* If its a new entry manage the dynamic table */ + if(idx == -1) { + if(!trtable && !(trtable = sk_X509_TRUST_new(tr_cmp))) { + X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE); + return 0; + } + if (!sk_X509_TRUST_push(trtable, trtmp)) { X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE); return 0; } @@ -143,40 +181,35 @@ int X509_TRUST_add(X509_TRUST *xp) static void trtable_free(X509_TRUST *p) { if(!p) return; - if (p->trust_flags & X509_TRUST_DYNAMIC) + if (p->flags & X509_TRUST_DYNAMIC) { - if (p->trust_flags & X509_TRUST_DYNAMIC_NAME) - Free(p->trust_name); + if (p->flags & X509_TRUST_DYNAMIC_NAME) + Free(p->name); Free(p); } } void X509_TRUST_cleanup(void) { + int i; + for(i = 0; i < X509_TRUST_COUNT; i++) trtable_free(trstandard + i); sk_X509_TRUST_pop_free(trtable, trtable_free); trtable = NULL; } -void X509_TRUST_add_standard(void) -{ - X509_TRUST *xp; - for(xp = trstandard; xp->trust_name; xp++) - X509_TRUST_add(xp); -} - -int X509_TRUST_get_id(X509_TRUST *xp) +int X509_TRUST_get_flags(X509_TRUST *xp) { - return xp->trust_id; + return xp->flags; } char *X509_TRUST_iget_name(X509_TRUST *xp) { - return xp->trust_name; + return xp->name; } int X509_TRUST_get_trust(X509_TRUST *xp) { - return xp->trust_id; + return xp->trust; } static int trust_1bit(X509_TRUST *trust, X509 *x, int flags) |