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https://github.com/yuzu-emu/mbedtls.git
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Add prototype for CRT verification with static and dynamic CA list
So far, there were the following CRT verification functions: - `mbedtls_x509_crt_verify()` -- no profile, no restartable ECC - `mbedtls_x509_crt_verify_with_profile()` -- profile, no restartable ECC - `mbedtls_x509_crt_verify_restartable()` -- profile, restartable ECC all publicly declared and offering increasing functionality. On the implementation-side, - `mbedtls_x509_crt_verify()` resolves to a call to `mbedtls_x509_crt_verify_with_profile()` setting the profile to `NULL`, and - `mbedtls_x509_crt_verify_with_profile()` resolves to a call to ``mbedtls_x509_crt_verify_restartable()` setting the ECC restart context to NULL. This commit adds two more functions to this zoo: - `mbedtls_x509_crt_verify_with_cb()` - `x509_crt_verify_restartable_cb()` Here, `mbedtls_x509_crt_verify_with_cb()` is similar to `mbedtls_x509_crt_verify_with_profile()` but uses a CA callback instead of a static CA list, and no restart context. `x509_crt_verify_restartable_cb()` is similar to `mbedtls_x509_crt_verify_restartable()` but allows to either use a static list of trusted CAs _or_ a trusted CA callback. On the implementation-side, - the body of `mbedtls_x509_crt_verify_restartable()` is moved to `x509_crt_verify_restartable_cb()`, and the new version of `mbedtls_x509_crt_verify_restartable()` just resolves to `x509_crt_verify_restartable_cb()` with the trusted CA callback set to NULL. - The new function `mbedtls_x509_crt_verify_with_cb()` forward to `x509_crt_verify_restartable_cb()` with the restart context set to `NULL`. There's no change to the implementation yet, and in particular, `mbedtls_x509_crt_verify_with_cb()` isn't yet usable.
This commit is contained in:
Hanno Becker
parent
afd0b0a1a7
commit
3116fb362c
@ -2309,6 +2309,8 @@ static int x509_crt_verify_chain(
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mbedtls_x509_crt *crt,
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mbedtls_x509_crt *trust_ca,
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mbedtls_x509_crl *ca_crl,
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mbedtls_x509_crt_ca_cb_t f_ca_cb,
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void *p_ca_cb,
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const mbedtls_x509_crt_profile *profile,
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mbedtls_x509_crt_verify_chain *ver_chain,
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mbedtls_x509_crt_restart_ctx *rs_ctx )
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@ -2539,36 +2541,6 @@ static int x509_crt_merge_flags_with_cb(
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return( 0 );
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}
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/*
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* Verify the certificate validity (default profile, not restartable)
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*/
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int mbedtls_x509_crt_verify( mbedtls_x509_crt *crt,
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mbedtls_x509_crt *trust_ca,
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mbedtls_x509_crl *ca_crl,
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const char *cn, uint32_t *flags,
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int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
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void *p_vrfy )
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{
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return( mbedtls_x509_crt_verify_restartable( crt, trust_ca, ca_crl,
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&mbedtls_x509_crt_profile_default, cn, flags,
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f_vrfy, p_vrfy, NULL ) );
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}
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/*
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* Verify the certificate validity (user-chosen profile, not restartable)
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*/
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int mbedtls_x509_crt_verify_with_profile( mbedtls_x509_crt *crt,
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mbedtls_x509_crt *trust_ca,
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mbedtls_x509_crl *ca_crl,
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const mbedtls_x509_crt_profile *profile,
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const char *cn, uint32_t *flags,
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int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
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void *p_vrfy )
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{
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return( mbedtls_x509_crt_verify_restartable( crt, trust_ca, ca_crl,
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profile, cn, flags, f_vrfy, p_vrfy, NULL ) );
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}
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/*
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* Verify the certificate validity, with profile, restartable version
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*
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@ -2578,10 +2550,19 @@ int mbedtls_x509_crt_verify_with_profile( mbedtls_x509_crt *crt,
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* as that isn't done as part of chain building/verification currently
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* - builds and verifies the chain
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* - then calls the callback and merges the flags
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*
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* The parameters pairs `trust_ca`, `ca_crl` and `f_ca_cb`, `p_ca_cb`
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* are mutually exclusive: If `f_ca_cb != NULL`, it will be used by the
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* verification routine to search for trusted signers, and CRLs will
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* be disabled. Otherwise, `trust_ca` will be used as the static list
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* of trusted signers, and `ca_crl` will be use as the static list
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* of CRLs.
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*/
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int mbedtls_x509_crt_verify_restartable( mbedtls_x509_crt *crt,
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static int mbedtls_x509_crt_verify_restartable_cb( mbedtls_x509_crt *crt,
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mbedtls_x509_crt *trust_ca,
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mbedtls_x509_crl *ca_crl,
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mbedtls_x509_crt_ca_cb_t f_ca_cb,
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void *p_ca_cb,
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const mbedtls_x509_crt_profile *profile,
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const char *cn, uint32_t *flags,
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int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
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@ -2617,7 +2598,8 @@ int mbedtls_x509_crt_verify_restartable( mbedtls_x509_crt *crt,
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ee_flags |= MBEDTLS_X509_BADCERT_BAD_KEY;
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/* Check the chain */
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ret = x509_crt_verify_chain( crt, trust_ca, ca_crl, profile,
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ret = x509_crt_verify_chain( crt, trust_ca, ca_crl,
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f_ca_cb, p_ca_cb, profile,
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&ver_chain, rs_ctx );
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if( ret != 0 )
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@ -2653,6 +2635,77 @@ exit:
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return( 0 );
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}
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/*
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* Verify the certificate validity (default profile, not restartable)
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*/
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int mbedtls_x509_crt_verify( mbedtls_x509_crt *crt,
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mbedtls_x509_crt *trust_ca,
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mbedtls_x509_crl *ca_crl,
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const char *cn, uint32_t *flags,
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int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
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void *p_vrfy )
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{
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return( mbedtls_x509_crt_verify_restartable_cb( crt, trust_ca, ca_crl,
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NULL, NULL,
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&mbedtls_x509_crt_profile_default,
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cn, flags,
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f_vrfy, p_vrfy, NULL ) );
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}
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/*
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* Verify the certificate validity (user-chosen profile, not restartable)
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*/
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int mbedtls_x509_crt_verify_with_profile( mbedtls_x509_crt *crt,
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mbedtls_x509_crt *trust_ca,
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mbedtls_x509_crl *ca_crl,
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const mbedtls_x509_crt_profile *profile,
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const char *cn, uint32_t *flags,
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int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
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void *p_vrfy )
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{
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return( mbedtls_x509_crt_verify_restartable_cb( crt, trust_ca, ca_crl,
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NULL, NULL,
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profile, cn, flags,
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f_vrfy, p_vrfy, NULL ) );
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}
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#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
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/*
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* Verify the certificate validity (user-chosen profile, CA callback,
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* not restartable).
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*/
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int mbedtls_x509_crt_verify_with_cb( mbedtls_x509_crt *crt,
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mbedtls_x509_crt_ca_cb_t f_ca_cb,
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void *p_ca_cb,
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const mbedtls_x509_crt_profile *profile,
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const char *cn, uint32_t *flags,
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int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
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void *p_vrfy )
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{
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return( mbedtls_x509_crt_verify_restartable_cb( crt, NULL, NULL,
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f_ca_cb, p_ca_cb,
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profile, cn, flags,
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f_vrfy, p_vrfy, NULL ) );
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}
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#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
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int mbedtls_x509_crt_verify_restartable( mbedtls_x509_crt *crt,
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mbedtls_x509_crt *trust_ca,
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mbedtls_x509_crl *ca_crl,
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const mbedtls_x509_crt_profile *profile,
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const char *cn, uint32_t *flags,
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int (*f_vrfy)(void *, mbedtls_x509_crt *, int, uint32_t *),
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void *p_vrfy,
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mbedtls_x509_crt_restart_ctx *rs_ctx )
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{
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return( mbedtls_x509_crt_verify_restartable_cb( crt, trust_ca, ca_crl,
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NULL, NULL,
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profile, cn, flags,
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f_vrfy, p_vrfy, rs_ctx ) );
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}
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/*
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* Initialize a certificate chain
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*/
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