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Change rsa and rsa_pub from static arrays in ssh_conn to be dynamically

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allocated when needed
This commit is contained in:
James Housley 2007-06-19 11:31:33 +00:00
parent df7eed16dd
commit f0b361ecc1
2 changed files with 24 additions and 14 deletions
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34
lib/ssh.c
View File

@ -369,24 +369,21 @@ static CURLcode ssh_statemach_act(struct connectdata *conn)
(strstr(sshc->authlist, "publickey") != NULL)) {
char *home;
sshc->rsa_pub[0] = sshc->rsa[0] = '\0';
sshc->rsa_pub = sshc->rsa = NULL;
/* To ponder about: should really the lib be messing about with the
HOME environment variable etc? */
home = curl_getenv("HOME");
if (data->set.ssh_public_key)
snprintf(sshc->rsa_pub, sizeof(sshc->rsa_pub), "%s",
data->set.ssh_public_key);
sshc->rsa_pub = aprintf("%s", data->set.ssh_public_key);
else if (home)
snprintf(sshc->rsa_pub, sizeof(sshc->rsa_pub), "%s/.ssh/id_dsa.pub",
home);
sshc->rsa_pub = aprintf("%s/.ssh/id_dsa.pub", home);
if (data->set.ssh_private_key)
snprintf(sshc->rsa, sizeof(sshc->rsa), "%s",
data->set.ssh_private_key);
sshc->rsa = aprintf("%s", data->set.ssh_private_key);
else if (home)
snprintf(sshc->rsa, sizeof(sshc->rsa), "%s/.ssh/id_dsa", home);
sshc->rsa = aprintf("%s/.ssh/id_dsa", home);
sshc->passphrase = data->set.key_passwd;
if (!sshc->passphrase)
@ -394,12 +391,21 @@ static CURLcode ssh_statemach_act(struct connectdata *conn)
curl_free(home);
infof(conn->data, "Using ssh public key file %s\n", sshc->rsa_pub);
infof(conn->data, "Using ssh private key file %s\n", sshc->rsa);
if (sshc->rsa_pub) {
infof(conn->data, "Using ssh public key file %s\n", sshc->rsa_pub);
}
if (sshc->rsa) {
infof(conn->data, "Using ssh private key file %s\n", sshc->rsa);
}
if (sshc->rsa_pub[0]) {
if (sshc->rsa_pub && sshc->rsa_pub) {
state(conn, SSH_AUTH_PKEY);
} else {
/* One or both aprint()'s might have failed,
move on to password authentication */
curl_free(sshc->rsa_pub);
curl_free(sshc->rsa);
state(conn, SSH_AUTH_PASS_INIT);
}
} else {
@ -416,7 +422,11 @@ static CURLcode ssh_statemach_act(struct connectdata *conn)
if (rc == LIBSSH2_ERROR_EAGAIN) {
break;
}
else if (rc == 0) {
curl_free(sshc->rsa_pub);
curl_free(sshc->rsa);
if (rc == 0) {
sshc->authed = TRUE;
infof(conn->data, "Initialized SSH public key authentication\n");
state(conn, SSH_AUTH_DONE);

4
lib/urldata.h
View File

@ -451,8 +451,8 @@ struct SSHPROTO {
struct ssh_conn {
const char *authlist; /* List of auth. methods, managed by libssh2 */
const char *passphrase;
char rsa_pub[PATH_MAX];
char rsa[PATH_MAX];
char *rsa_pub;
char *rsa;
bool authed;
sshstate state; /* always use ssh.c:state() to change state! */
CURLcode actualCode; /* the actual error code */