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📄 adler32.c(3.16 KB)
📄 atomic.c(7.23 KB)
📄 auth.c(32.4 KB)
📄 auth.h(6.1 KB)
📄 base64.c(19.18 KB)
📄 bit_array.c(6.26 KB)
📄 cache-inprocess.c(21.2 KB)
📄 cache-membuffer.c(116.43 KB)
📄 cache-memcache.c(17.35 KB)
📄 cache-null.c(4.35 KB)
📄 cache.c(10.22 KB)
📄 cache.h(4.03 KB)
📄 cache_config.c(6.01 KB)
📄 checksum.c(24.17 KB)
📄 checksum.h(2.32 KB)
📄 cmdline.c(58.99 KB)
📄 compat.c(5.28 KB)
📄 compress_lz4.c(4.51 KB)
📄 compress_zlib.c(6.85 KB)
📄 config.c(39.66 KB)
📄 config_auth.c(8.65 KB)
📄 config_file.c(70.25 KB)
📄 config_impl.h(6.15 KB)
📄 config_keys.inc(2.65 KB)
📄 config_win.c(9.61 KB)
📄 crypto.c(25.19 KB)
📄 crypto.h(5.43 KB)
📄 ctype.c(13.81 KB)
📄 date.c(12.86 KB)
📄 debug.c(3.77 KB)
📄 deprecated.c(64.3 KB)
📄 dirent_uri.c(80.17 KB)
📄 dirent_uri.h(1.43 KB)
📄 dso.c(3.74 KB)
📄 encode.c(2.69 KB)
📄 eol.c(2.79 KB)
📄 error.c(24.52 KB)
📄 errorcode.inc(4.27 KB)
📄 fnv1a.c(6.92 KB)
📄 fnv1a.h(3.04 KB)
📄 genctype.py(3.84 KB)
📄 gpg_agent.c(22.29 KB)
📄 hash.c(19.59 KB)
📄 internal_statements.h(1.87 KB)
📄 internal_statements.sql(1.58 KB)
📄 io.c(182.6 KB)
📄 iter.c(3.84 KB)
📄 libsvn_subr.pc.in(515 B)
📄 lock.c(1.69 KB)
📄 log.c(14 KB)
📁 lz4
📄 macos_keychain.c(9.7 KB)
📄 magic.c(5.25 KB)
📄 md5.c(1.8 KB)
📄 mergeinfo.c(89.24 KB)
📄 mutex.c(3.06 KB)
📄 nls.c(3.06 KB)
📄 object_pool.c(9.76 KB)
📄 opt.c(39.34 KB)
📄 opt.h(1.89 KB)
📄 packed_data.c(33.43 KB)
📄 path.c(35.99 KB)
📄 pool.c(4.35 KB)
📄 pools.h(1.45 KB)
📄 prefix_string.c(10.65 KB)
📄 prompt.c(28.82 KB)
📄 properties.c(13.59 KB)
📄 quoprint.c(8.96 KB)
📄 root_pools.c(3.15 KB)
📄 simple_providers.c(25.54 KB)
📄 skel.c(23.04 KB)
📄 sorts.c(15.9 KB)
📄 spillbuf.c(19.78 KB)
📄 sqlite.c(49.68 KB)
📄 sqlite3wrapper.c(3.16 KB)
📄 ssl_client_cert_providers.c(6.66 KB)
📄 ssl_client_cert_pw_providers.c(18.93 KB)
📄 ssl_server_trust_providers.c(7.77 KB)
📄 stream.c(65.69 KB)
📄 string.c(40.2 KB)
📄 subst.c(67.57 KB)
📄 sysinfo.c(43.67 KB)
📄 sysinfo.h(2.58 KB)
📄 target.c(11.58 KB)
📄 temp_serializer.c(14.02 KB)
📄 time.c(9.08 KB)
📄 token.c(2.58 KB)
📄 types.c(9.43 KB)
📄 user.c(2.66 KB)
📄 username_providers.c(9.2 KB)
📄 utf.c(40.38 KB)
📁 utf8proc
📄 utf8proc.c(20.71 KB)
📄 utf_validate.c(13.3 KB)
📄 utf_width.c(10.85 KB)
📄 validate.c(3.35 KB)
📄 version.c(9.89 KB)
📄 win32_crashrpt.c(25.06 KB)
📄 win32_crashrpt.h(1.35 KB)
📄 win32_crashrpt_dll.h(4 KB)
📄 win32_crypto.c(18.12 KB)
📄 win32_xlate.c(7.3 KB)
📄 win32_xlate.h(2.11 KB)
📄 x509.h(3.75 KB)
📄 x509info.c(9.53 KB)
📄 x509parse.c(35.77 KB)
📄 xml.c(20.01 KB)

Editing: username_providers.c

/*
 * username_providers.c: providers for SVN_AUTH_CRED_USERNAME
 *
 * ====================================================================
 *    Licensed to the Apache Software Foundation (ASF) under one
 *    or more contributor license agreements.  See the NOTICE file
 *    distributed with this work for additional information
 *    regarding copyright ownership.  The ASF licenses this file
 *    to you under the Apache License, Version 2.0 (the
 *    "License"); you may not use this file except in compliance
 *    with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing,
 *    software distributed under the License is distributed on an
 *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *    KIND, either express or implied.  See the License for the
 *    specific language governing permissions and limitations
 *    under the License.
 * ====================================================================
 */

/* ==================================================================== */

/*** Includes. ***/

#include <apr_pools.h>
#include "svn_hash.h"
#include "svn_auth.h"
#include "svn_error.h"
#include "svn_utf.h"
#include "svn_config.h"
#include "svn_user.h"

/*-----------------------------------------------------------------------*/
/* File provider                                                         */
/*-----------------------------------------------------------------------*/

/*** Username-only Provider ***/
static svn_error_t *
username_first_creds(void **credentials,
                     void **iter_baton,
                     void *provider_baton,
                     apr_hash_t *parameters,
                     const char *realmstring,
                     apr_pool_t *pool)
{
  const char *config_dir = svn_hash_gets(parameters,
                                         SVN_AUTH_PARAM_CONFIG_DIR);
  const char *username = svn_hash_gets(parameters,
                                       SVN_AUTH_PARAM_DEFAULT_USERNAME);
  svn_boolean_t may_save = !! username;
  svn_error_t *err;

/* If we don't have a usename yet, try the auth cache */
  if (! username)
    {
      apr_hash_t *creds_hash = NULL;

/* Try to load credentials from a file on disk, based on the
         realmstring.  Don't throw an error, though: if something went
         wrong reading the file, no big deal.  What really matters is that
         we failed to get the creds, so allow the auth system to try the
         next provider. */
      err = svn_config_read_auth_data(&creds_hash, SVN_AUTH_CRED_USERNAME,
                                      realmstring, config_dir, pool);
      svn_error_clear(err);
      if (! err && creds_hash)
        {
          svn_string_t *str = svn_hash_gets(creds_hash,
                                            SVN_CONFIG_AUTHN_USERNAME_KEY);
          if (str && str->data)
            username = str->data;
        }
    }

/* If that failed, ask the OS for the username */
  if (! username)
    username = svn_user_get_name(pool);

if (username)
    {
      svn_auth_cred_simple_t *creds = apr_pcalloc(pool, sizeof(*creds));
      creds->username = username;
      creds->may_save = may_save;
      *credentials = creds;
    }
  else
    *credentials = NULL;

*iter_baton = NULL;

return SVN_NO_ERROR;
}

static svn_error_t *
username_save_creds(svn_boolean_t *saved,
                    void *credentials,
                    void *provider_baton,
                    apr_hash_t *parameters,
                    const char *realmstring,
                    apr_pool_t *pool)
{
  svn_auth_cred_simple_t *creds = credentials;
  apr_hash_t *creds_hash = NULL;
  const char *config_dir;
  svn_error_t *err;

*saved = FALSE;

if (! creds->may_save)
    return SVN_NO_ERROR;

config_dir = svn_hash_gets(parameters, SVN_AUTH_PARAM_CONFIG_DIR);

/* Put the credentials in a hash and save it to disk */
  creds_hash = apr_hash_make(pool);
  svn_hash_sets(creds_hash, SVN_CONFIG_AUTHN_USERNAME_KEY,
                svn_string_create(creds->username, pool));
  err = svn_config_write_auth_data(creds_hash, SVN_AUTH_CRED_USERNAME,
                                   realmstring, config_dir, pool);
  svn_error_clear(err);
  *saved = ! err;

return SVN_NO_ERROR;
}

static const svn_auth_provider_t username_provider = {
  SVN_AUTH_CRED_USERNAME,
  username_first_creds,
  NULL,
  username_save_creds
};

/* Public API */
void
svn_auth_get_username_provider(svn_auth_provider_object_t **provider,
                               apr_pool_t *pool)
{
  svn_auth_provider_object_t *po = apr_pcalloc(pool, sizeof(*po));

po->vtable = &username_provider;
  *provider = po;
}

/*-----------------------------------------------------------------------*/
/* Prompt provider                                                       */
/*-----------------------------------------------------------------------*/

/* Baton type for username-only prompting. */
typedef struct username_prompt_provider_baton_t
{
  svn_auth_username_prompt_func_t prompt_func;
  void *prompt_baton;

/* how many times to re-prompt after the first one fails */
  int retry_limit;
} username_prompt_provider_baton_t;

/* Iteration baton type for username-only prompting. */
typedef struct username_prompt_iter_baton_t
{
  /* how many times we've reprompted */
  int retries;

} username_prompt_iter_baton_t;

/*** Helper Functions ***/
static svn_error_t *
prompt_for_username_creds(svn_auth_cred_username_t **cred_p,
                          username_prompt_provider_baton_t *pb,
                          apr_hash_t *parameters,
                          const char *realmstring,
                          svn_boolean_t first_time,
                          svn_boolean_t may_save,
                          apr_pool_t *pool)
{
  const char *def_username = NULL;

*cred_p = NULL;

/* If we're allowed to check for default usernames, do so. */
  if (first_time)
    def_username = svn_hash_gets(parameters, SVN_AUTH_PARAM_DEFAULT_USERNAME);

/* If we have defaults, just build the cred here and return it.
   *
   * ### I do wonder why this is here instead of in a separate
   * ### 'defaults' provider that would run before the prompt
   * ### provider... Hmmm.
   */
  if (def_username)
    {
      *cred_p = apr_palloc(pool, sizeof(**cred_p));
      (*cred_p)->username = apr_pstrdup(pool, def_username);
      (*cred_p)->may_save = TRUE;
    }
  else
    {
      SVN_ERR(pb->prompt_func(cred_p, pb->prompt_baton, realmstring,
                              may_save, pool));
    }

return SVN_NO_ERROR;
}

/* Our first attempt will use any default username passed
   in, and prompt for the remaining stuff. */
static svn_error_t *
username_prompt_first_creds(void **credentials_p,
                            void **iter_baton,
                            void *provider_baton,
                            apr_hash_t *parameters,
                            const char *realmstring,
                            apr_pool_t *pool)
{
  username_prompt_provider_baton_t *pb = provider_baton;
  username_prompt_iter_baton_t *ibaton = apr_pcalloc(pool, sizeof(*ibaton));
  const char *no_auth_cache = svn_hash_gets(parameters,
                                            SVN_AUTH_PARAM_NO_AUTH_CACHE);

SVN_ERR(prompt_for_username_creds
          ((svn_auth_cred_username_t **) credentials_p, pb,
           parameters, realmstring, TRUE, ! no_auth_cache, pool));

ibaton->retries = 0;
  *iter_baton = ibaton;

return SVN_NO_ERROR;
}

/* Subsequent attempts to fetch will ignore the default username
   value, and simply re-prompt for the username, up to a maximum of
   ib->pb->retry_limit. */
static svn_error_t *
username_prompt_next_creds(void **credentials_p,
                           void *iter_baton,
                           void *provider_baton,
                           apr_hash_t *parameters,
                           const char *realmstring,
                           apr_pool_t *pool)
{
  username_prompt_iter_baton_t *ib = iter_baton;
  username_prompt_provider_baton_t *pb = provider_baton;
  const char *no_auth_cache = svn_hash_gets(parameters,
                                            SVN_AUTH_PARAM_NO_AUTH_CACHE);

if ((pb->retry_limit >= 0) && (ib->retries >= pb->retry_limit))
    {
      /* give up, go on to next provider. */
      *credentials_p = NULL;
      return SVN_NO_ERROR;
    }
  ib->retries++;

return prompt_for_username_creds
         ((svn_auth_cred_username_t **) credentials_p, pb,
          parameters, realmstring, FALSE, ! no_auth_cache, pool);
}

static const svn_auth_provider_t username_prompt_provider = {
  SVN_AUTH_CRED_USERNAME,
  username_prompt_first_creds,
  username_prompt_next_creds,
  NULL,
};

/* Public API */
void
svn_auth_get_username_prompt_provider
  (svn_auth_provider_object_t **provider,
   svn_auth_username_prompt_func_t prompt_func,
   void *prompt_baton,
   int retry_limit,
   apr_pool_t *pool)
{
  svn_auth_provider_object_t *po = apr_pcalloc(pool, sizeof(*po));
  username_prompt_provider_baton_t *pb = apr_pcalloc(pool, sizeof(*pb));

pb->prompt_func = prompt_func;
  pb->prompt_baton = prompt_baton;
  pb->retry_limit = retry_limit;

po->vtable = &username_prompt_provider;
  po->provider_baton = pb;
  *provider = po;
}

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Editing: username_providers.c

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