[pkg-opensc-commit] [libp11] 29/239: improve code: - reindent - display slot information - display error messages

[Eric Dorland]

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eric pushed a commit to branch master
in repository libp11.

commit c999be111dd17725999ce050ce1f35637432fe9b
Author: Ludovic Rousseau <ludovic.rousseau+github at gmail.com>
Date:   Wed Aug 31 06:50:02 2005 +0000

    improve code:
    - reindent
    - display slot information
    - display error messages
---
 examples/auth.c | 61 ++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 37 insertions(+), 24 deletions(-)

diff --git a/examples/auth.c b/examples/auth.c
index 2e6c5b1..ff8b1a4 100644
--- a/examples/auth.c
+++ b/examples/auth.c
@@ -1,49 +1,62 @@
 #include <stdio.h>
 #include <libp11.h>
 
-int main(int argc, char **argv)
+#define PKCS11_LIB "/usr/lib/opensc-pkcs11.so"
+
+int main(int argc, char *argv[])
 {
 	PKCS11_CTX *ctx;
-        PKCS11_SLOT *slot;
+	PKCS11_SLOT *slot;
 	unsigned char random[10];
-	int rc,len;
+	int rc = 0, i, len;
 
 	ctx = PKCS11_CTX_new();
 
-        /* load pkcs #11 module */
-        rc = PKCS11_CTX_load(ctx, "/home/aj/opensc/lib/opensc-pkcs11.so");
-        if (rc) {
-                fprintf(stderr, "loading pkcs11 engine failed\n");
-		rc=1;
+	/* load pkcs #11 module */
+	rc = PKCS11_CTX_load(ctx, PKCS11_LIB);
+	if (rc) {
+		fprintf(stderr, "loading pkcs11 engine failed: %s\n",
+			ERR_reason_error_string(ERR_get_error()));
+		rc = 1;
 		goto nolib;
-        }
+	}
 
-        /* get first slot with a token */
-        slot = PKCS11_find_token(ctx);
-        if (!slot || !slot->token) {
-                fprintf(stderr, "no token available\n");
-                rc=2;
-                goto noslot;
-        }
+	/* get first slot with a token */
+	slot = PKCS11_find_token(ctx);
+	if (!slot || !slot->token) {
+		fprintf(stderr, "no token available\n");
+		rc = 2;
+		goto noslot;
+	}
+	printf("Slot manufacturer......: %s\n", slot->manufacturer);
+	printf("Slot description.......: %s\n", slot->description);
+	printf("Slot token label.......: %s\n", slot->token->label);
+	printf("Slot token manufacturer: %s\n", slot->token->manufacturer);
+	printf("Slot token model.......: %s\n", slot->token->model);
+	printf("Slot token serialnr....: %s\n", slot->token->serialnr);
 
 	/* get 10 random bytes */
-	len=sizeof(random);
+	len = sizeof(random);
 	rc = PKCS11_generate_random(slot, random, len);
 	if (rc < 0) {
-		fprintf(stderr,"generate_random failed: %d\n",rc);
-		rc=3;
+		fprintf(stderr, "generate_random failed: %s\n",
+			ERR_reason_error_string(ERR_get_error()));
+		rc = 3;
 		goto norandom;
 	}
 
-	printf("%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
-		random[0], random[1], random[2], random[3], random[4], 
-		random[5], random[6], random[7], random[8], random[9]); 
+	printf("\nRandom numbers generated by the token: ");
+	for (i=0; i<len; i++)
+		printf("%02X ", random[i]);
+	printf("\n");
 
-	rc=0;
+	rc = 0;
 norandom:
 noslot:
-        PKCS11_CTX_unload(ctx);
+	PKCS11_CTX_unload(ctx);
+
 nolib:
 	PKCS11_CTX_free(ctx);
 	return rc;
 }
+

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