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/*
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* Copyright (C) the libgit2 contributors. All rights reserved.
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#include "git2.h"
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#include "smart.h"
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#include "git2/cred_helpers.h"
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static int git_cred_ssh_key_type_new(
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git_cred **cred,
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const char *username,
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const char *publickey,
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const char *privatekey,
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const char *passphrase,
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git_credtype_t credtype);
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int git_cred_has_username(git_cred *cred)
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{
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if (cred->credtype == GIT_CREDTYPE_DEFAULT)
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return 0;
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return 1;
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}
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const char *git_cred__username(git_cred *cred)
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{
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switch (cred->credtype) {
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case GIT_CREDTYPE_USERNAME:
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{
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git_cred_username *c = (git_cred_username *) cred;
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return c->username;
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}
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case GIT_CREDTYPE_USERPASS_PLAINTEXT:
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{
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git_cred_userpass_plaintext *c = (git_cred_userpass_plaintext *) cred;
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return c->username;
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}
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case GIT_CREDTYPE_SSH_KEY:
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case GIT_CREDTYPE_SSH_MEMORY:
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{
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git_cred_ssh_key *c = (git_cred_ssh_key *) cred;
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return c->username;
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}
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case GIT_CREDTYPE_SSH_CUSTOM:
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{
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git_cred_ssh_custom *c = (git_cred_ssh_custom *) cred;
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return c->username;
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}
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case GIT_CREDTYPE_SSH_INTERACTIVE:
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{
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git_cred_ssh_interactive *c = (git_cred_ssh_interactive *) cred;
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return c->username;
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}
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default:
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return NULL;
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}
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}
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static void plaintext_free(struct git_cred *cred)
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{
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git_cred_userpass_plaintext *c = (git_cred_userpass_plaintext *)cred;
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git__free(c->username);
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/* Zero the memory which previously held the password */
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if (c->password) {
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size_t pass_len = strlen(c->password);
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git__memzero(c->password, pass_len);
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git__free(c->password);
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}
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git__free(c);
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}
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int git_cred_userpass_plaintext_new(
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git_cred **cred,
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const char *username,
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const char *password)
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{
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git_cred_userpass_plaintext *c;
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assert(cred && username && password);
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c = git__malloc(sizeof(git_cred_userpass_plaintext));
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GITERR_CHECK_ALLOC(c);
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c->parent.credtype = GIT_CREDTYPE_USERPASS_PLAINTEXT;
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c->parent.free = plaintext_free;
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c->username = git__strdup(username);
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if (!c->username) {
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git__free(c);
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return -1;
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}
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c->password = git__strdup(password);
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if (!c->password) {
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git__free(c->username);
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git__free(c);
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return -1;
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}
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*cred = &c->parent;
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return 0;
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}
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static void ssh_key_free(struct git_cred *cred)
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{
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git_cred_ssh_key *c =
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(git_cred_ssh_key *)cred;
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git__free(c->username);
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if (c->privatekey) {
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/* Zero the memory which previously held the private key */
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size_t key_len = strlen(c->privatekey);
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git__memzero(c->privatekey, key_len);
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git__free(c->privatekey);
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}
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if (c->passphrase) {
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/* Zero the memory which previously held the passphrase */
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size_t pass_len = strlen(c->passphrase);
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git__memzero(c->passphrase, pass_len);
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git__free(c->passphrase);
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}
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if (c->publickey) {
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/* Zero the memory which previously held the public key */
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size_t key_len = strlen(c->publickey);
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git__memzero(c->publickey, key_len);
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git__free(c->publickey);
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}
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git__free(c);
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}
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static void ssh_interactive_free(struct git_cred *cred)
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{
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git_cred_ssh_interactive *c = (git_cred_ssh_interactive *)cred;
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git__free(c->username);
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git__free(c);
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}
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static void ssh_custom_free(struct git_cred *cred)
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{
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git_cred_ssh_custom *c = (git_cred_ssh_custom *)cred;
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git__free(c->username);
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if (c->publickey) {
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/* Zero the memory which previously held the publickey */
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size_t key_len = strlen(c->publickey);
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git__memzero(c->publickey, key_len);
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git__free(c->publickey);
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}
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git__free(c);
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}
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static void default_free(struct git_cred *cred)
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{
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git_cred_default *c = (git_cred_default *)cred;
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git__free(c);
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}
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static void username_free(struct git_cred *cred)
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{
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git__free(cred);
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}
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int git_cred_ssh_key_new(
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git_cred **cred,
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const char *username,
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const char *publickey,
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const char *privatekey,
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const char *passphrase)
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{
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return git_cred_ssh_key_type_new(
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cred,
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username,
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publickey,
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privatekey,
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passphrase,
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GIT_CREDTYPE_SSH_KEY);
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}
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int git_cred_ssh_key_memory_new(
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git_cred **cred,
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const char *username,
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const char *publickey,
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const char *privatekey,
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const char *passphrase)
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{
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#ifdef GIT_SSH_MEMORY_CREDENTIALS
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return git_cred_ssh_key_type_new(
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cred,
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username,
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publickey,
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privatekey,
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passphrase,
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GIT_CREDTYPE_SSH_MEMORY);
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#else
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GIT_UNUSED(cred);
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GIT_UNUSED(username);
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GIT_UNUSED(publickey);
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GIT_UNUSED(privatekey);
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GIT_UNUSED(passphrase);
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giterr_set(GITERR_INVALID,
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"this version of libgit2 was not built with ssh memory credentials.");
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return -1;
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#endif
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}
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static int git_cred_ssh_key_type_new(
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git_cred **cred,
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const char *username,
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const char *publickey,
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const char *privatekey,
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const char *passphrase,
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git_credtype_t credtype)
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{
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git_cred_ssh_key *c;
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assert(username && cred && privatekey);
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c = git__calloc(1, sizeof(git_cred_ssh_key));
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GITERR_CHECK_ALLOC(c);
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c->parent.credtype = credtype;
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c->parent.free = ssh_key_free;
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c->username = git__strdup(username);
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GITERR_CHECK_ALLOC(c->username);
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c->privatekey = git__strdup(privatekey);
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GITERR_CHECK_ALLOC(c->privatekey);
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if (publickey) {
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c->publickey = git__strdup(publickey);
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GITERR_CHECK_ALLOC(c->publickey);
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}
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if (passphrase) {
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c->passphrase = git__strdup(passphrase);
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GITERR_CHECK_ALLOC(c->passphrase);
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}
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*cred = &c->parent;
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return 0;
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}
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int git_cred_ssh_interactive_new(
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git_cred **out,
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const char *username,
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git_cred_ssh_interactive_callback prompt_callback,
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void *payload)
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{
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git_cred_ssh_interactive *c;
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assert(out && username && prompt_callback);
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c = git__calloc(1, sizeof(git_cred_ssh_interactive));
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GITERR_CHECK_ALLOC(c);
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c->parent.credtype = GIT_CREDTYPE_SSH_INTERACTIVE;
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c->parent.free = ssh_interactive_free;
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c->username = git__strdup(username);
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GITERR_CHECK_ALLOC(c->username);
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c->prompt_callback = prompt_callback;
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c->payload = payload;
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*out = &c->parent;
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return 0;
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}
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int git_cred_ssh_key_from_agent(git_cred **cred, const char *username) {
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git_cred_ssh_key *c;
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assert(username && cred);
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c = git__calloc(1, sizeof(git_cred_ssh_key));
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GITERR_CHECK_ALLOC(c);
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c->parent.credtype = GIT_CREDTYPE_SSH_KEY;
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c->parent.free = ssh_key_free;
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c->username = git__strdup(username);
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GITERR_CHECK_ALLOC(c->username);
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c->privatekey = NULL;
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*cred = &c->parent;
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return 0;
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}
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int git_cred_ssh_custom_new(
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git_cred **cred,
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const char *username,
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const char *publickey,
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size_t publickey_len,
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git_cred_sign_callback sign_callback,
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20376f |
void *payload)
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Packit Service |
20376f |
{
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Packit Service |
20376f |
git_cred_ssh_custom *c;
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Packit Service |
20376f |
|
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Packit Service |
20376f |
assert(username && cred);
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Packit Service |
20376f |
|
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Packit Service |
20376f |
c = git__calloc(1, sizeof(git_cred_ssh_custom));
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Packit Service |
20376f |
GITERR_CHECK_ALLOC(c);
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Packit Service |
20376f |
|
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Packit Service |
20376f |
c->parent.credtype = GIT_CREDTYPE_SSH_CUSTOM;
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|
Packit Service |
20376f |
c->parent.free = ssh_custom_free;
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|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
c->username = git__strdup(username);
|
|
Packit Service |
20376f |
GITERR_CHECK_ALLOC(c->username);
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
if (publickey_len > 0) {
|
|
Packit Service |
20376f |
c->publickey = git__malloc(publickey_len);
|
|
Packit Service |
20376f |
GITERR_CHECK_ALLOC(c->publickey);
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
memcpy(c->publickey, publickey, publickey_len);
|
|
Packit Service |
20376f |
}
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
c->publickey_len = publickey_len;
|
|
Packit Service |
20376f |
c->sign_callback = sign_callback;
|
|
Packit Service |
20376f |
c->payload = payload;
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
*cred = &c->parent;
|
|
Packit Service |
20376f |
return 0;
|
|
Packit Service |
20376f |
}
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
int git_cred_default_new(git_cred **cred)
|
|
Packit Service |
20376f |
{
|
|
Packit Service |
20376f |
git_cred_default *c;
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
assert(cred);
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
c = git__calloc(1, sizeof(git_cred_default));
|
|
Packit Service |
20376f |
GITERR_CHECK_ALLOC(c);
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
c->credtype = GIT_CREDTYPE_DEFAULT;
|
|
Packit Service |
20376f |
c->free = default_free;
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
*cred = c;
|
|
Packit Service |
20376f |
return 0;
|
|
Packit Service |
20376f |
}
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
int git_cred_username_new(git_cred **cred, const char *username)
|
|
Packit Service |
20376f |
{
|
|
Packit Service |
20376f |
git_cred_username *c;
|
|
Packit Service |
20376f |
size_t len, allocsize;
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
assert(cred);
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
len = strlen(username);
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
GITERR_CHECK_ALLOC_ADD(&allocsize, sizeof(git_cred_username), len);
|
|
Packit Service |
20376f |
GITERR_CHECK_ALLOC_ADD(&allocsize, allocsize, 1);
|
|
Packit Service |
20376f |
c = git__malloc(allocsize);
|
|
Packit Service |
20376f |
GITERR_CHECK_ALLOC(c);
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
c->parent.credtype = GIT_CREDTYPE_USERNAME;
|
|
Packit Service |
20376f |
c->parent.free = username_free;
|
|
Packit Service |
20376f |
memcpy(c->username, username, len + 1);
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
*cred = (git_cred *) c;
|
|
Packit Service |
20376f |
return 0;
|
|
Packit Service |
20376f |
}
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
void git_cred_free(git_cred *cred)
|
|
Packit Service |
20376f |
{
|
|
Packit Service |
20376f |
if (!cred)
|
|
Packit Service |
20376f |
return;
|
|
Packit Service |
20376f |
|
|
Packit Service |
20376f |
cred->free(cred);
|
|
Packit Service |
20376f |
}
|