From f1845f25dbea79c191427710fa56ed01e63a045b Mon Sep 17 00:00:00 2001 From: NIIBE Yutaka Date: Tue, 18 Oct 2016 20:40:09 +0900 Subject: [PATCH] scd: minor cleanup to merge other works. * scd/iso7816.c (do_generate_keypair): Use const char * for DATA. (iso7816_generate_keypair, iso7816_read_public_key): Likewise. * scd/app-openpgp.c (get_public_key): Follow the change. (do_genkey): Ditto. Use ERR instead of RC. Use u32 for CREATED_AT. -- Signed-off-by: NIIBE Yutaka --- scd/app-openpgp.c | 58 +++++++++++++++++++++-------------------------- scd/iso7816.c | 9 ++++---- scd/iso7816.h | 4 ++-- 3 files changed, 32 insertions(+), 39 deletions(-) diff --git a/scd/app-openpgp.c b/scd/app-openpgp.c index ef335fee3..ba16255ea 100644 --- a/scd/app-openpgp.c +++ b/scd/app-openpgp.c @@ -1276,12 +1276,10 @@ get_public_key (app_t app, int keyno) le_value = 256; /* Use legacy value. */ } - err = iso7816_read_public_key - (app->slot, exmode, - (const unsigned char*)(keyno == 0? "\xB6" : - keyno == 1? "\xB8" : "\xA4"), 2, - le_value, - &buffer, &buflen); + err = iso7816_read_public_key (app->slot, exmode, + (keyno == 0? "\xB6" : + keyno == 1? "\xB8" : "\xA4"), + 2, le_value, &buffer, &buflen); if (err) { log_error (_("reading public key failed: %s\n"), gpg_strerror (err)); @@ -3534,13 +3532,13 @@ do_genkey (app_t app, ctrl_t ctrl, const char *keynostr, unsigned int flags, gpg_error_t (*pincb)(void*, const char *, char **), void *pincb_arg) { - int rc; + gpg_error_t err; char numbuf[30]; unsigned char fprbuf[20]; const unsigned char *keydata, *m, *e; unsigned char *buffer = NULL; size_t buflen, keydatalen, mlen, elen; - time_t created_at; + u32 created_at; int keyno = atoi (keynostr) - 1; int force = (flags & 1); time_t start_at; @@ -3562,9 +3560,9 @@ do_genkey (app_t app, ctrl_t ctrl, const char *keynostr, unsigned int flags, app->app_local->pk[keyno].read_done = 0; /* Check whether a key already exists. */ - rc = does_key_exist (app, keyno, 1, force); - if (rc) - return rc; + err = does_key_exist (app, keyno, 1, force); + if (err) + return err; /* Because we send the key parameter back via status lines we need to put a limit on the max. allowed keysize. 2048 bit will @@ -3575,8 +3573,8 @@ do_genkey (app_t app, ctrl_t ctrl, const char *keynostr, unsigned int flags, return gpg_error (GPG_ERR_TOO_LARGE); /* Prepare for key generation by verifying the Admin PIN. */ - rc = verify_chv3 (app, pincb, pincb_arg); - if (rc) + err = verify_chv3 (app, pincb, pincb_arg); + if (err) goto leave; /* Test whether we will need extended length mode. (1900 is an @@ -3597,17 +3595,13 @@ do_genkey (app_t app, ctrl_t ctrl, const char *keynostr, unsigned int flags, log_info (_("please wait while key is being generated ...\n")); start_at = time (NULL); - rc = iso7816_generate_keypair -/* # warning key generation temporary replaced by reading an existing key. */ -/* rc = iso7816_read_public_key */ - (app->slot, exmode, - (const unsigned char*)(keyno == 0? "\xB6" : - keyno == 1? "\xB8" : "\xA4"), 2, - le_value, - &buffer, &buflen); - if (rc) + err = iso7816_generate_keypair (app->slot, exmode, + (keyno == 0? "\xB6" : + keyno == 1? "\xB8" : "\xA4"), + 2, le_value, &buffer, &buflen); + if (err) { - rc = gpg_error (GPG_ERR_CARD); + err = gpg_error (GPG_ERR_CARD); log_error (_("generating key failed\n")); goto leave; } @@ -3622,7 +3616,7 @@ do_genkey (app_t app, ctrl_t ctrl, const char *keynostr, unsigned int flags, keydata = find_tlv (buffer, buflen, 0x7F49, &keydatalen); if (!keydata) { - rc = gpg_error (GPG_ERR_CARD); + err = gpg_error (GPG_ERR_CARD); log_error (_("response does not contain the public key data\n")); goto leave; } @@ -3630,7 +3624,7 @@ do_genkey (app_t app, ctrl_t ctrl, const char *keynostr, unsigned int flags, m = find_tlv (keydata, keydatalen, 0x0081, &mlen); if (!m) { - rc = gpg_error (GPG_ERR_CARD); + err = gpg_error (GPG_ERR_CARD); log_error (_("response does not contain the RSA modulus\n")); goto leave; } @@ -3640,15 +3634,15 @@ do_genkey (app_t app, ctrl_t ctrl, const char *keynostr, unsigned int flags, e = find_tlv (keydata, keydatalen, 0x0082, &elen); if (!e) { - rc = gpg_error (GPG_ERR_CARD); + err = gpg_error (GPG_ERR_CARD); log_error (_("response does not contain the RSA public exponent\n")); goto leave; } /* log_printhex ("RSA e:", e, elen); */ send_key_data (ctrl, "e", e, elen); - created_at = createtime? createtime : gnupg_get_time (); - sprintf (numbuf, "%lu", (unsigned long)created_at); + created_at = (u32)(createtime? createtime : gnupg_get_time ()); + sprintf (numbuf, "%u", created_at); send_status_info (ctrl, "KEY-CREATED-AT", numbuf, (size_t)strlen(numbuf), NULL, 0); @@ -3657,16 +3651,16 @@ do_genkey (app_t app, ctrl_t ctrl, const char *keynostr, unsigned int flags, for (; elen && !*e; elen--, e++) /* strip leading zeroes */ ; - rc = store_fpr (app, keyno, (u32)created_at, fprbuf, PUBKEY_ALGO_RSA, - m, mlen, e, elen); - if (rc) + err = store_fpr (app, keyno, created_at, fprbuf, PUBKEY_ALGO_RSA, + m, mlen, e, elen); + if (err) goto leave; send_fpr_if_not_null (ctrl, "KEY-FPR", -1, fprbuf); leave: xfree (buffer); - return rc; + return err; } diff --git a/scd/iso7816.c b/scd/iso7816.c index 515e21fe6..28cd2eb96 100644 --- a/scd/iso7816.c +++ b/scd/iso7816.c @@ -604,8 +604,7 @@ iso7816_internal_authenticate (int slot, int extended_mode, (e.g. 4096 bytes), a value larger 256 used that value. */ static gpg_error_t do_generate_keypair (int slot, int extended_mode, int read_only, - const unsigned char *data, size_t datalen, - int le, + const char *data, size_t datalen, int le, unsigned char **result, size_t *resultlen) { int sw; @@ -617,7 +616,7 @@ do_generate_keypair (int slot, int extended_mode, int read_only, sw = apdu_send_le (slot, extended_mode, 0x00, CMD_GENERATE_KEYPAIR, read_only? 0x81:0x80, 0, - datalen, (const char*)data, + datalen, data, le >= 0 && le < 256? 256:le, result, resultlen); if (sw != SW_SUCCESS) @@ -635,7 +634,7 @@ do_generate_keypair (int slot, int extended_mode, int read_only, gpg_error_t iso7816_generate_keypair (int slot, int extended_mode, - const unsigned char *data, size_t datalen, + const char *data, size_t datalen, int le, unsigned char **result, size_t *resultlen) { @@ -646,7 +645,7 @@ iso7816_generate_keypair (int slot, int extended_mode, gpg_error_t iso7816_read_public_key (int slot, int extended_mode, - const unsigned char *data, size_t datalen, + const char *data, size_t datalen, int le, unsigned char **result, size_t *resultlen) { diff --git a/scd/iso7816.h b/scd/iso7816.h index 6dd1052fe..45cd416bb 100644 --- a/scd/iso7816.h +++ b/scd/iso7816.h @@ -100,11 +100,11 @@ gpg_error_t iso7816_internal_authenticate (int slot, int extended_mode, int le, unsigned char **result, size_t *resultlen); gpg_error_t iso7816_generate_keypair (int slot, int extended_mode, - const unsigned char *data, size_t datalen, + const char *data, size_t datalen, int le, unsigned char **result, size_t *resultlen); gpg_error_t iso7816_read_public_key (int slot, int extended_mode, - const unsigned char *data, size_t datalen, + const char *data, size_t datalen, int le, unsigned char **result, size_t *resultlen); gpg_error_t iso7816_get_challenge (int slot,