chunk 7 of CMP contribution to OpenSSL

add CMP message validation and related tests; while doing so:
* add ERR_add_error_mem_bio() to crypto/err/err_prn.c
* move ossl_cmp_add_error_txt() as ERR_add_error_txt() to crypto/err/err_prn.c
* add X509_STORE_CTX_print_verify_cb() to crypto/x509/t_x509.c,
  adding internally x509_print_ex_brief(), print_certs(), and print_store_certs()
* move {ossl_cmp_,}X509_STORE_get1_certs() to crypto/x509/x509_lu.c

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
(Merged from https://github.com/openssl/openssl/pull/10620)

1 files changed, 7 insertions, 12 deletions

diff --git a/doc/internal/man3/ossl_cmp_print_log.pod b/doc/internal/man3/ossl_cmp_print_log.pod
index a45897a067..47d4dd8efa 100644
--- a/doc/internal/man3/ossl_cmp_print_log.pod
+++ b/doc/internal/man3/ossl_cmp_print_log.pod
@@ -14,7 +14,6 @@ ossl_cmp_log2,
 ossl_cmp_log3,
 ossl_cmp_log4,
 ossl_cmp_log_parse_metadata,
-ossl_cmp_add_error_txt,
 ossl_cmp_add_error_data,
 ossl_cmp_add_error_line
 - logging and error reporting support for CMP
@@ -40,7 +39,6 @@ ossl_cmp_add_error_line
                                          OSSL_CMP_severity *level, char **func,
                                          char **file, int *line);
 
- void ossl_cmp_add_error_txt(const char *separator, const char *txt);
  #define ossl_cmp_add_error_data(txt)
  #define ossl_cmp_add_error_line(txt)
 
@@ -72,17 +70,11 @@ the variable pointed to by I<file> with the filename string or NULL, and
 the variable pointed to by I<line> with the line number or -1.
 Any string returned via I<*func> and I<*file> must be freeed by the caller.
 
-ossl_cmp_add_error_txt() appends text to the extra data field of the last
-error message in the OpenSSL error queue, after adding the optional separator
-unless data has been empty so far. The text can be of arbitrary length,
-which is not possible when using L<ERR_add_error_data(3)> in conjunction with
-L<ERR_print_errors_cb(3)>.
-
 ossl_cmp_add_error_data() is a macro calling
-ossl_cmp_add_error_txt() with the separator being ":".
+L<ERR_add_error_txt(3)> with the separator being ":".
 
 ossl_cmp_add_error_line() is a macro calling
-ossl_cmp_add_error_txt() with the separator being "\n".
+L<ERR_add_error_txt(3)> with the separator being "\n".
 
 =head1 RETURN VALUES
 
@@ -90,13 +82,16 @@ ossl_cmp_log_parse_metadata() returns the pointer to the actual message text
 after the OSSL_CMP_LOG_PREFIX and level and ':' if found in the buffer,
 else the beginning of the buffer.
 
-ossl_cmp_add_error_txt()
-ossl_cmp_add_error_data(), and
+ossl_cmp_add_error_data() and
 ossl_cmp_add_error_line()
 do not return anything.
 
 All other functions return 1 on success, 0 on error.
 
+=head1 SEE ALSO
+
+L<ERR_add_error_txt(3)>
+
 =head1 HISTORY
 
 The OpenSSL CMP support was added in OpenSSL 3.0.