thodg/libgit2/src/transports/cred.c

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• Hash : f7158cd7
  Author :
  Date : 2013-05-03T16:31:16
  

  Push working over ssh

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• src/transports/cred.c

• /*
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  
  #include "git2.h"
  #include "smart.h"
  #include "git2/cred_helpers.h"
  
  static void plaintext_free(struct git_cred *cred)
  {
  	git_cred_userpass_plaintext *c = (git_cred_userpass_plaintext *)cred;
  	size_t pass_len = strlen(c->password);
  
  	git__free(c->username);
  
  	/* Zero the memory which previously held the password */
  	memset(c->password, 0x0, pass_len);
  	git__free(c->password);
  
  	memset(c, 0, sizeof(*c));
  
  	git__free(c);
  }
  
  int git_cred_userpass_plaintext_new(
  	git_cred **cred,
  	const char *username,
  	const char *password)
  {
  	git_cred_userpass_plaintext *c;
  
  	if (!cred)
  		return -1;
  
  	c = git__malloc(sizeof(git_cred_userpass_plaintext));
  	GITERR_CHECK_ALLOC(c);
  
  	c->parent.credtype = GIT_CREDTYPE_USERPASS_PLAINTEXT;
  	c->parent.free = plaintext_free;
  	c->username = git__strdup(username);
  
  	if (!c->username) {
  		git__free(c);
  		return -1;
  	}
  
  	c->password = git__strdup(password);
  
  	if (!c->password) {
  		git__free(c->username);
  		git__free(c);
  		return -1;
  	}
  
  	*cred = &c->parent;
  	return 0;
  }
  
  static void ssh_keyfile_passphrase_free(struct git_cred *cred)
  {
  	git_cred_ssh_keyfile_passphrase *c = (git_cred_ssh_keyfile_passphrase *)cred;
  	size_t pass_len = strlen(c->passphrase);
  
      if (c->publickey) {
          git__free(c->publickey);
      }
      
  	git__free(c->privatekey);
  
      if (c->passphrase) {
          /* Zero the memory which previously held the passphrase */
          memset(c->passphrase, 0x0, pass_len);
          git__free(c->passphrase);
      }
  
  	memset(c, 0, sizeof(*c));
  
  	git__free(c);
  }
  
  int git_cred_ssh_keyfile_passphrase_new(
  	git_cred **cred,
  	const char *publickey,
  	const char *privatekey,
  	const char *passphrase)
  {
  	git_cred_ssh_keyfile_passphrase *c;
  
  	if (!cred)
  		return -1;
  
  	c = git__malloc(sizeof(git_cred_ssh_keyfile_passphrase));
  	GITERR_CHECK_ALLOC(c);
  
  	c->parent.credtype = GIT_CREDTYPE_SSH_KEYFILE_PASSPHRASE;
  	c->parent.free = ssh_keyfile_passphrase_free;
      
      c->privatekey = git__strdup(privatekey);
      
  	if (!c->privatekey) {
  		git__free(c);
  		return -1;
  	}
      
      if (publickey) {
          c->publickey = git__strdup(publickey);
  
          if (!c->publickey) {
              git__free(c->privatekey);
              git__free(c);
              return -1;
          }
      } else {
          c->publickey = NULL;
      }
      
      if (passphrase) {
          c->passphrase = git__strdup(passphrase);
          
          if (!c->passphrase) {
              git__free(c->privatekey);
              if (c->publickey) {
                  git__free(c->publickey);
              }
              git__free(c);
              return -1;
          }
      } else {
          c->passphrase = NULL;
      }
  
  	*cred = &c->parent;
  	return 0;
  }
  

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