Set error code, no fprintf stderr, on errors.

Reviewed-by: NRichard Levitte <levitte@openssl.org>

crypto/ts/ts_conf.c

@@ -102,7 +102,7 @@ X509 *TS_CONF_load_cert(const char *file)
     x = PEM_read_bio_X509_AUX(cert, NULL, NULL, NULL);
  end:
     if (x == NULL)
-        fprintf(stderr, "unable to load certificate: %s\n", file);
+        TSerr(TS_F_TS_CONF_LOAD_CERT, TS_R_CANNOT_LOAD_CERT);
     BIO_free(cert);
     return x;
 }
@@ -129,7 +129,7 @@ STACK_OF(X509) *TS_CONF_load_certs(const char *file)
     }
  end:
     if (othercerts == NULL)
-        fprintf(stderr, "unable to load certificates: %s\n", file);
+        TSerr(TS_F_TS_CONF_LOAD_CERTS, TS_R_CANNOT_LOAD_CERT);
     sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
     BIO_free(certs);
     return othercerts;
@@ -145,7 +145,7 @@ EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass)
     pkey = PEM_read_bio_PrivateKey(key, NULL, NULL, (char *)pass);
  end:
     if (pkey == NULL)
-        fprintf(stderr, "unable to load private key: %s\n", file);
+        TSerr(TS_F_TS_CONF_LOAD_KEY, TS_R_CANNOT_LOAD_KEY);
     BIO_free(key);
     return pkey;
 }
@@ -154,12 +154,14 @@ EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass)
 
 static void ts_CONF_lookup_fail(const char *name, const char *tag)
 {
-    fprintf(stderr, "variable lookup failed for %s::%s\n", name, tag);
+    TSerr(TS_F_TS_CONF_LOOKUP_FAIL, TS_R_VAR_LOOKUP_FAILURE);
+    ERR_add_error_data(3, name, "::", tag);
 }
 
 static void ts_CONF_invalid(const char *name, const char *tag)
 {
-    fprintf(stderr, "invalid variable value for %s::%s\n", name, tag);
+    TSerr(TS_F_TS_CONF_INVALID, TS_R_VAR_BAD_VALUE);
+    ERR_add_error_data(3, name, "::", tag);
 }
 
 const char *TS_CONF_get_tsa_section(CONF *conf, const char *section)

crypto/ts/ts_err.c

 /* crypto/ts/ts_err.c */
 /* ====================================================================
- * Copyright (c) 1999-2007 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1999-2015 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -87,6 +87,11 @@ static ERR_STRING_DATA TS_str_functs[] = {
     {ERR_FUNC(TS_F_TS_CHECK_SIGNING_CERTS), "TS_CHECK_SIGNING_CERTS"},
     {ERR_FUNC(TS_F_TS_CHECK_STATUS_INFO), "TS_CHECK_STATUS_INFO"},
     {ERR_FUNC(TS_F_TS_COMPUTE_IMPRINT), "TS_COMPUTE_IMPRINT"},
+    {ERR_FUNC(TS_F_TS_CONF_INVALID), "ts_CONF_invalid"},
+    {ERR_FUNC(TS_F_TS_CONF_LOAD_CERT), "TS_CONF_load_cert"},
+    {ERR_FUNC(TS_F_TS_CONF_LOAD_CERTS), "TS_CONF_load_certs"},
+    {ERR_FUNC(TS_F_TS_CONF_LOAD_KEY), "TS_CONF_load_key"},
+    {ERR_FUNC(TS_F_TS_CONF_LOOKUP_FAIL), "ts_CONF_lookup_fail"},
     {ERR_FUNC(TS_F_TS_CONF_SET_DEFAULT_ENGINE), "TS_CONF_set_default_engine"},
     {ERR_FUNC(TS_F_TS_GET_STATUS_TEXT), "TS_GET_STATUS_TEXT"},
     {ERR_FUNC(TS_F_TS_MSG_IMPRINT_SET_ALGO), "TS_MSG_IMPRINT_set_algo"},
@@ -132,6 +137,8 @@ static ERR_STRING_DATA TS_str_functs[] = {
 static ERR_STRING_DATA TS_str_reasons[] = {
     {ERR_REASON(TS_R_BAD_PKCS7_TYPE), "bad pkcs7 type"},
     {ERR_REASON(TS_R_BAD_TYPE), "bad type"},
+    {ERR_REASON(TS_R_CANNOT_LOAD_CERT), "cannot load certificate"},
+    {ERR_REASON(TS_R_CANNOT_LOAD_KEY), "cannot load private key"},
     {ERR_REASON(TS_R_CERTIFICATE_VERIFY_ERROR), "certificate verify error"},
     {ERR_REASON(TS_R_COULD_NOT_SET_ENGINE), "could not set engine"},
     {ERR_REASON(TS_R_COULD_NOT_SET_TIME), "could not set time"},
@@ -170,6 +177,8 @@ static ERR_STRING_DATA TS_str_reasons[] = {
     {ERR_REASON(TS_R_UNACCEPTABLE_POLICY), "unacceptable policy"},
     {ERR_REASON(TS_R_UNSUPPORTED_MD_ALGORITHM), "unsupported md algorithm"},
     {ERR_REASON(TS_R_UNSUPPORTED_VERSION), "unsupported version"},
+    {ERR_REASON(TS_R_VAR_BAD_VALUE), "var bad value"},
+    {ERR_REASON(TS_R_VAR_LOOKUP_FAILURE), "cannot find config variable"},
     {ERR_REASON(TS_R_WRONG_CONTENT_TYPE), "wrong content type"},
     {0, NULL}
 };

include/openssl/ts.h

@@ -775,6 +775,11 @@ void ERR_load_TS_strings(void);
 # define TS_F_TS_CHECK_SIGNING_CERTS                      103
 # define TS_F_TS_CHECK_STATUS_INFO                        104
 # define TS_F_TS_COMPUTE_IMPRINT                          145
+# define TS_F_TS_CONF_INVALID                             151
+# define TS_F_TS_CONF_LOAD_CERT                           153
+# define TS_F_TS_CONF_LOAD_CERTS                          154
+# define TS_F_TS_CONF_LOAD_KEY                            155
+# define TS_F_TS_CONF_LOOKUP_FAIL                         152
 # define TS_F_TS_CONF_SET_DEFAULT_ENGINE                  146
 # define TS_F_TS_GET_STATUS_TEXT                          105
 # define TS_F_TS_MSG_IMPRINT_SET_ALGO                     118
@@ -813,6 +818,8 @@ void ERR_load_TS_strings(void);
 /* Reason codes. */
 # define TS_R_BAD_PKCS7_TYPE                              132
 # define TS_R_BAD_TYPE                                    133
+# define TS_R_CANNOT_LOAD_CERT                            137
+# define TS_R_CANNOT_LOAD_KEY                             138
 # define TS_R_CERTIFICATE_VERIFY_ERROR                    100
 # define TS_R_COULD_NOT_SET_ENGINE                        127
 # define TS_R_COULD_NOT_SET_TIME                          115
@@ -845,6 +852,8 @@ void ERR_load_TS_strings(void);
 # define TS_R_UNACCEPTABLE_POLICY                         125
 # define TS_R_UNSUPPORTED_MD_ALGORITHM                    126
 # define TS_R_UNSUPPORTED_VERSION                         113
+# define TS_R_VAR_BAD_VALUE                               135
+# define TS_R_VAR_LOOKUP_FAILURE                          136
 # define TS_R_WRONG_CONTENT_TYPE                          114
 
 #ifdef  __cplusplus