Add check for the return value of gcry_sexp_find_token().
git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@536 7dcaeef0-15fb-0310-b436-a5af3365683c
Этот коммит содержится в:
родитель
57a6388b82
Коммит
192657d88c
@ -326,6 +326,9 @@ PUBLIC_KEY *publickey_from_privatekey(PRIVATE_KEY *prv) {
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case TYPE_DSS:
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#ifdef HAVE_LIBGCRYPT
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sexp = gcry_sexp_find_token(prv->dsa_priv, "p", 0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp, 1, &size);
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p = string_new(size);
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if (p == NULL) {
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@ -335,6 +338,9 @@ PUBLIC_KEY *publickey_from_privatekey(PRIVATE_KEY *prv) {
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gcry_sexp_release(sexp);
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sexp = gcry_sexp_find_token(prv->dsa_priv,"q",0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp,1,&size);
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q = string_new(size);
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if (q == NULL) {
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@ -344,6 +350,9 @@ PUBLIC_KEY *publickey_from_privatekey(PRIVATE_KEY *prv) {
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gcry_sexp_release(sexp);
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sexp = gcry_sexp_find_token(prv->dsa_priv, "g", 0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp,1,&size);
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g = string_new(size);
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if (g == NULL) {
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@ -352,8 +361,11 @@ PUBLIC_KEY *publickey_from_privatekey(PRIVATE_KEY *prv) {
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string_fill(g,(char *) tmp,size);
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gcry_sexp_release(sexp);
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sexp=gcry_sexp_find_token(prv->dsa_priv,"y",0);
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tmp=gcry_sexp_nth_data(sexp,1,&size);
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sexp = gcry_sexp_find_token(prv->dsa_priv,"y",0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp,1,&size);
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y = string_new(size);
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if (y == NULL) {
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goto error;
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@ -397,6 +409,9 @@ PUBLIC_KEY *publickey_from_privatekey(PRIVATE_KEY *prv) {
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case TYPE_RSA1:
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#ifdef HAVE_LIBGCRYPT
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sexp = gcry_sexp_find_token(prv->rsa_priv, "n", 0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp, 1, &size);
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n = string_new(size);
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if (n == NULL) {
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@ -406,6 +421,9 @@ PUBLIC_KEY *publickey_from_privatekey(PRIVATE_KEY *prv) {
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gcry_sexp_release(sexp);
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sexp = gcry_sexp_find_token(prv->rsa_priv, "e", 0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp, 1, &size);
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e = string_new(size);
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if (e == NULL) {
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@ -445,6 +463,7 @@ PUBLIC_KEY *publickey_from_privatekey(PRIVATE_KEY *prv) {
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return key;
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error:
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#ifdef HAVE_LIBGCRYPT
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gcry_sexp_release(sexp);
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string_burn(p);
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string_free(p);
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string_burn(q);
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@ -482,6 +501,9 @@ static int dsa_public_to_string(DSA *key, BUFFER *buffer) {
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gcry_sexp_t sexp;
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sexp = gcry_sexp_find_token(key, "p", 0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp, 1, &size);
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p = string_new(size);
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if (p == NULL) {
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@ -491,6 +513,9 @@ static int dsa_public_to_string(DSA *key, BUFFER *buffer) {
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gcry_sexp_release(sexp);
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sexp = gcry_sexp_find_token(key, "q", 0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp, 1, &size);
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q = string_new(size);
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if (q == NULL) {
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@ -500,6 +525,9 @@ static int dsa_public_to_string(DSA *key, BUFFER *buffer) {
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gcry_sexp_release(sexp);
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sexp = gcry_sexp_find_token(key, "g", 0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp, 1, &size);
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g = string_new(size);
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if (g == NULL) {
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@ -509,6 +537,9 @@ static int dsa_public_to_string(DSA *key, BUFFER *buffer) {
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gcry_sexp_release(sexp);
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sexp = gcry_sexp_find_token(key, "y", 0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp, 1, &size);
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n = string_new(size);
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if (n == NULL) {
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@ -541,6 +572,10 @@ static int dsa_public_to_string(DSA *key, BUFFER *buffer) {
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rc = 0;
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error:
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#ifdef HAVE_LIBGCRYPT
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gcry_sexp_release(sexp);
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#endif
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string_burn(p);
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string_free(p);
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string_burn(q);
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@ -570,6 +605,9 @@ static int rsa_public_to_string(RSA *key, BUFFER *buffer) {
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gcry_sexp_t sexp;
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sexp = gcry_sexp_find_token(key, "n", 0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp, 1, &size);
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n = string_new(size);
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if (n == NULL) {
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@ -579,6 +617,9 @@ static int rsa_public_to_string(RSA *key, BUFFER *buffer) {
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gcry_sexp_release(sexp);
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sexp = gcry_sexp_find_token(key, "e", 0);
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if (sexp == NULL) {
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goto error;
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}
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tmp = gcry_sexp_nth_data(sexp, 1, &size);
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e = string_new(size);
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if (e == NULL) {
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@ -604,6 +645,10 @@ static int rsa_public_to_string(RSA *key, BUFFER *buffer) {
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rc = 0;
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error:
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#ifdef HAVE_LIBGCRYPT
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gcry_sexp_release(sexp);
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#endif
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string_burn(e);
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string_free(e);
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string_burn(n);
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