Copyright (C) Tom Jansen (Ninja ISD) 2002
Copyright (C) Derrell Lipman 2003-2008
Copyright (C) Jeremy Allison 2007, 2008
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libsmbclient.h"
#include "libsmb_internal.h"
+#include "secrets.h"
/*
* Is the logging working / configfile read ?
*/
-static bool SMBC_initialized;
-static unsigned int initialized_ctx_count;
+static bool SMBC_initialized = false;
+static unsigned int initialized_ctx_count = 0;
+static void *initialized_ctx_count_mutex = NULL;
+
+/*
+ * Do some module- and library-wide intializations
+ */
+static void
+SMBC_module_init(void * punused)
+{
+ bool conf_loaded = False;
+ char *home = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ load_case_tables();
+
+ setup_logging("libsmbclient", DEBUG_STDOUT);
+
+ /* Here we would open the smb.conf file if needed ... */
+
+ lp_set_in_client(True);
+
+ home = getenv("HOME");
+ if (home) {
+ char *conf = NULL;
+ if (asprintf(&conf, "%s/.smb/smb.conf", home) > 0) {
+ if (lp_load(conf, True, False, False, True)) {
+ conf_loaded = True;
+ } else {
+ DEBUG(5, ("Could not load config file: %s\n",
+ conf));
+ }
+ SAFE_FREE(conf);
+ }
+ }
+
+ if (!conf_loaded) {
+ /*
+ * Well, if that failed, try the get_dyn_CONFIGFILE
+ * Which points to the standard locn, and if that
+ * fails, silently ignore it and use the internal
+ * defaults ...
+ */
+
+ if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, False)) {
+ DEBUG(5, ("Could not load config file: %s\n",
+ get_dyn_CONFIGFILE()));
+ } else if (home) {
+ char *conf;
+ /*
+ * We loaded the global config file. Now lets
+ * load user-specific modifications to the
+ * global config.
+ */
+ if (asprintf(&conf,
+ "%s/.smb/smb.conf.append",
+ home) > 0) {
+ if (!lp_load(conf, True, False, False, False)) {
+ DEBUG(10,
+ ("Could not append config file: "
+ "%s\n",
+ conf));
+ }
+ SAFE_FREE(conf);
+ }
+ }
+ }
+
+ load_interfaces(); /* Load the list of interfaces ... */
+
+ reopen_logs(); /* Get logging working ... */
+
+ /*
+ * Block SIGPIPE (from lib/util_sock.c: write())
+ * It is not needed and should not stop execution
+ */
+ BlockSignals(True, SIGPIPE);
+
+ /* Create the mutex we'll use to protect initialized_ctx_count */
+ if (SMB_THREAD_CREATE_MUTEX("initialized_ctx_count_mutex",
+ initialized_ctx_count_mutex) != 0) {
+ smb_panic("SMBC_module_init: "
+ "failed to create 'initialized_ctx_count' mutex");
+ }
+
+
+ TALLOC_FREE(frame);
+}
+
+
+static void
+SMBC_module_terminate(void)
+{
+ secrets_shutdown();
+ gfree_all();
+ SMBC_initialized = false;
+}
+
/*
* Get a new empty handle to fill in with your own info
smbc_new_context(void)
{
SMBCCTX *context;
-
+
+ /* The first call to this function should initialize the module */
+ SMB_THREAD_ONCE(&SMBC_initialized, SMBC_module_init, NULL);
+
/*
* All newly added context fields should be placed in
* SMBC_internal_data, not directly in SMBCCTX.
errno = ENOMEM;
return NULL;
}
-
+
ZERO_STRUCTP(context);
-
+
context->internal = SMB_MALLOC_P(struct SMBC_internal_data);
if (!context->internal) {
SAFE_FREE(context);
errno = ENOMEM;
return NULL;
}
-
+
/* Initialize the context and establish reasonable defaults */
ZERO_STRUCTP(context->internal);
-
+
smbc_setDebug(context, 0);
smbc_setTimeout(context, 20000);
-
+
smbc_setOptionFullTimeNames(context, False);
smbc_setOptionOpenShareMode(context, SMBC_SHAREMODE_DENY_NONE);
smbc_setOptionSmbEncryptionLevel(context, SMBC_ENCRYPTLEVEL_NONE);
+ smbc_setOptionUseCCache(context, True);
smbc_setOptionCaseSensitive(context, False);
smbc_setOptionBrowseMaxLmbCount(context, 3); /* # LMBs to query */
smbc_setOptionUrlEncodeReaddirEntries(context, False);
smbc_setOptionOneSharePerServer(context, False);
-
+ if (getenv("LIBSMBCLIENT_NO_CCACHE") == NULL) {
+ smbc_setOptionUseCCache(context, true);
+ }
+
smbc_setFunctionAuthData(context, SMBC_get_auth_data);
smbc_setFunctionCheckServer(context, SMBC_check_server);
smbc_setFunctionRemoveUnusedServer(context, SMBC_remove_unused_server);
-
+
smbc_setOptionUserData(context, NULL);
smbc_setFunctionAddCachedServer(context, SMBC_add_cached_server);
smbc_setFunctionGetCachedServer(context, SMBC_get_cached_server);
smbc_setFunctionRemoveCachedServer(context, SMBC_remove_cached_server);
smbc_setFunctionPurgeCachedServers(context, SMBC_purge_cached_servers);
-
+
smbc_setFunctionOpen(context, SMBC_open_ctx);
smbc_setFunctionCreat(context, SMBC_creat_ctx);
smbc_setFunctionRead(context, SMBC_read_ctx);
smbc_setFunctionGetxattr(context, SMBC_getxattr_ctx);
smbc_setFunctionRemovexattr(context, SMBC_removexattr_ctx);
smbc_setFunctionListxattr(context, SMBC_listxattr_ctx);
-
+
smbc_setFunctionOpenPrintJob(context, SMBC_open_print_job_ctx);
smbc_setFunctionPrintFile(context, SMBC_print_file_ctx);
smbc_setFunctionListPrintJobs(context, SMBC_list_print_jobs_ctx);
smbc_setFunctionUnlinkPrintJob(context, SMBC_unlink_print_job_ctx);
-
+
return context;
}
errno = EBADF;
return 1;
}
-
+
if (shutdown_ctx) {
SMBCFILE * f;
DEBUG(1,("Performing aggressive shutdown.\n"));
-
+
f = context->internal->files;
while (f) {
smbc_getFunctionClose(context)(context, f);
f = f->next;
}
context->internal->files = NULL;
-
+
/* First try to remove the servers the nice way. */
if (smbc_getFunctionPurgeCachedServers(context)(context)) {
SMBCSRV * s;
return 1;
}
}
-
+
/* Things we have to clean up */
- free(smbc_getWorkgroup(context));
smbc_setWorkgroup(context, NULL);
-
- free(smbc_getNetbiosName(context));
smbc_setNetbiosName(context, NULL);
-
- free(smbc_getUser(context));
smbc_setUser(context, NULL);
-
+
DEBUG(3, ("Context %p successfully freed\n", context));
/* Free any DFS auth context. */
SAFE_FREE(context->internal);
SAFE_FREE(context);
+ /* Protect access to the count of contexts in use */
+ if (SMB_THREAD_LOCK(initialized_ctx_count_mutex) != 0) {
+ smb_panic("error locking 'initialized_ctx_count'");
+ }
+
if (initialized_ctx_count) {
initialized_ctx_count--;
}
- if (initialized_ctx_count == 0 && SMBC_initialized) {
- gencache_shutdown();
- secrets_shutdown();
- gfree_all();
- SMBC_initialized = false;
+ if (initialized_ctx_count == 0) {
+ SMBC_module_terminate();
+ }
+
+ /* Unlock the mutex */
+ if (SMB_THREAD_UNLOCK(initialized_ctx_count_mutex) != 0) {
+ smb_panic("error unlocking 'initialized_ctx_count'");
}
+
return 0;
}
void *v;
const char *s;
} option_value;
-
+
va_start(ap, option_name);
-
+
if (strcmp(option_name, "debug_to_stderr") == 0) {
option_value.b = (bool) va_arg(ap, int);
smbc_setOptionDebugToStderr(context, option_value.b);
-
+
} else if (strcmp(option_name, "full_time_names") == 0) {
option_value.b = (bool) va_arg(ap, int);
smbc_setOptionFullTimeNames(context, option_value.b);
-
+
} else if (strcmp(option_name, "open_share_mode") == 0) {
option_value.i = va_arg(ap, int);
smbc_setOptionOpenShareMode(context, option_value.i);
-
+
} else if (strcmp(option_name, "auth_function") == 0) {
option_value.auth_fn =
va_arg(ap, smbc_get_auth_data_with_context_fn);
smbc_setFunctionAuthDataWithContext(context, option_value.auth_fn);
-
+
} else if (strcmp(option_name, "user_data") == 0) {
option_value.v = va_arg(ap, void *);
smbc_setOptionUserData(context, option_value.v);
-
+
} else if (strcmp(option_name, "smb_encrypt_level") == 0) {
option_value.s = va_arg(ap, const char *);
if (strcmp(option_value.s, "none") == 0) {
smbc_setOptionSmbEncryptionLevel(context,
SMBC_ENCRYPTLEVEL_REQUIRE);
}
-
+
} else if (strcmp(option_name, "browse_max_lmb_count") == 0) {
option_value.i = va_arg(ap, int);
smbc_setOptionBrowseMaxLmbCount(context, option_value.i);
-
+
} else if (strcmp(option_name, "urlencode_readdir_entries") == 0) {
option_value.b = (bool) va_arg(ap, int);
smbc_setOptionUrlEncodeReaddirEntries(context, option_value.b);
-
+
} else if (strcmp(option_name, "one_share_per_server") == 0) {
option_value.b = (bool) va_arg(ap, int);
smbc_setOptionOneSharePerServer(context, option_value.b);
-
+
} else if (strcmp(option_name, "use_kerberos") == 0) {
option_value.b = (bool) va_arg(ap, int);
smbc_setOptionUseKerberos(context, option_value.b);
-
+
} else if (strcmp(option_name, "fallback_after_kerberos") == 0) {
option_value.b = (bool) va_arg(ap, int);
smbc_setOptionFallbackAfterKerberos(context, option_value.b);
-
+
+ } else if (strcmp(option_name, "use_ccache") == 0) {
+ option_value.b = (bool) va_arg(ap, int);
+ smbc_setOptionUseCCache(context, option_value.b);
+
} else if (strcmp(option_name, "no_auto_anonymous_login") == 0) {
option_value.b = (bool) va_arg(ap, int);
smbc_setOptionNoAutoAnonymousLogin(context, option_value.b);
}
-
+
va_end(ap);
}
#else
return (void *) smbc_getOptionDebugToStderr(context);
#endif
-
+
} else if (strcmp(option_name, "full_time_names") == 0) {
#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
return (void *) (intptr_t) smbc_getOptionFullTimeNames(context);
#else
return (void *) smbc_getOptionFullTimeNames(context);
#endif
-
+
} else if (strcmp(option_name, "open_share_mode") == 0) {
#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
return (void *) (intptr_t) smbc_getOptionOpenShareMode(context);
#else
return (void *) smbc_getOptionOpenShareMode(context);
#endif
-
+
} else if (strcmp(option_name, "auth_function") == 0) {
return (void *) smbc_getFunctionAuthDataWithContext(context);
-
+
} else if (strcmp(option_name, "user_data") == 0) {
return smbc_getOptionUserData(context);
-
+
} else if (strcmp(option_name, "smb_encrypt_level") == 0) {
switch(smbc_getOptionSmbEncryptionLevel(context))
{
case 2:
return (void *) "require";
}
-
+
} else if (strcmp(option_name, "smb_encrypt_on") == 0) {
SMBCSRV *s;
unsigned int num_servers = 0;
-
+
for (s = context->internal->servers; s; s = s->next) {
num_servers++;
if (s->cli->trans_enc_state == NULL) {
#else
return (void *) (bool) (num_servers > 0);
#endif
-
+
} else if (strcmp(option_name, "browse_max_lmb_count") == 0) {
#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
return (void *) (intptr_t) smbc_getOptionBrowseMaxLmbCount(context);
#else
return (void *) smbc_getOptionBrowseMaxLmbCount(context);
#endif
-
+
} else if (strcmp(option_name, "urlencode_readdir_entries") == 0) {
#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
return (void *)(intptr_t) smbc_getOptionUrlEncodeReaddirEntries(context);
#else
return (void *) (bool) smbc_getOptionUrlEncodeReaddirEntries(context);
#endif
-
+
} else if (strcmp(option_name, "one_share_per_server") == 0) {
#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
return (void *) (intptr_t) smbc_getOptionOneSharePerServer(context);
#else
return (void *) (bool) smbc_getOptionOneSharePerServer(context);
#endif
-
+
} else if (strcmp(option_name, "use_kerberos") == 0) {
#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
return (void *) (intptr_t) smbc_getOptionUseKerberos(context);
#else
return (void *) (bool) smbc_getOptionUseKerberos(context);
#endif
-
+
} else if (strcmp(option_name, "fallback_after_kerberos") == 0) {
#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
return (void *)(intptr_t) smbc_getOptionFallbackAfterKerberos(context);
#else
return (void *) (bool) smbc_getOptionFallbackAfterKerberos(context);
#endif
-
+
+ } else if (strcmp(option_name, "use_ccache") == 0) {
+#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
+ return (void *) (intptr_t) smbc_getOptionUseCCache(context);
+#else
+ return (void *) (bool) smbc_getOptionUseCCache(context);
+#endif
+
} else if (strcmp(option_name, "no_auto_anonymous_login") == 0) {
#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
return (void *) (intptr_t) smbc_getOptionNoAutoAnonymousLogin(context);
return (void *) (bool) smbc_getOptionNoAutoAnonymousLogin(context);
#endif
}
-
+
return NULL;
}
smbc_init_context(SMBCCTX *context)
{
int pid;
- char *user = NULL;
- char *home = NULL;
-
+
if (!context) {
errno = EBADF;
return NULL;
}
-
+
/* Do not initialise the same client twice */
if (context->internal->initialized) {
return NULL;
}
-
+
if ((!smbc_getFunctionAuthData(context) &&
!smbc_getFunctionAuthDataWithContext(context)) ||
smbc_getDebug(context) < 0 ||
smbc_getDebug(context) > 100) {
-
+
errno = EINVAL;
return NULL;
-
- }
-
- if (!SMBC_initialized) {
- /*
- * Do some library-wide intializations the first time we get
- * called
- */
- bool conf_loaded = False;
- TALLOC_CTX *frame = talloc_stackframe();
-
- load_case_tables();
-
- setup_logging("libsmbclient", True);
- if (context->internal->debug_stderr) {
- dbf = x_stderr;
- x_setbuf(x_stderr, NULL);
- }
-
- /* Here we would open the smb.conf file if needed ... */
-
- lp_set_in_client(True);
-
- home = getenv("HOME");
- if (home) {
- char *conf = NULL;
- if (asprintf(&conf, "%s/.smb/smb.conf", home) > 0) {
- if (lp_load(conf, True, False, False, True)) {
- conf_loaded = True;
- } else {
- DEBUG(5, ("Could not load config file: %s\n",
- conf));
- }
- SAFE_FREE(conf);
- }
- }
-
- if (!conf_loaded) {
- /*
- * Well, if that failed, try the get_dyn_CONFIGFILE
- * Which points to the standard locn, and if that
- * fails, silently ignore it and use the internal
- * defaults ...
- */
-
- if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, False)) {
- DEBUG(5, ("Could not load config file: %s\n",
- get_dyn_CONFIGFILE()));
- } else if (home) {
- char *conf;
- /*
- * We loaded the global config file. Now lets
- * load user-specific modifications to the
- * global config.
- */
- if (asprintf(&conf,
- "%s/.smb/smb.conf.append",
- home) > 0) {
- if (!lp_load(conf, True, False, False, False)) {
- DEBUG(10,
- ("Could not append config file: "
- "%s\n",
- conf));
- }
- SAFE_FREE(conf);
- }
- }
- }
-
- load_interfaces(); /* Load the list of interfaces ... */
-
- reopen_logs(); /* Get logging working ... */
-
- /*
- * Block SIGPIPE (from lib/util_sock.c: write())
- * It is not needed and should not stop execution
- */
- BlockSignals(True, SIGPIPE);
-
- /* Done with one-time initialisation */
- SMBC_initialized = true;
-
- TALLOC_FREE(frame);
+
}
-
+
if (!smbc_getUser(context)) {
/*
* FIXME: Is this the best way to get the user info?
*/
- user = getenv("USER");
+ char *user = getenv("USER");
/* walk around as "guest" if no username can be found */
if (!user) {
user = SMB_STRDUP("guest");
}
smbc_setUser(context, user);
+ SAFE_FREE(user);
+
+ if (!smbc_getUser(context)) {
+ errno = ENOMEM;
+ return NULL;
+ }
}
-
+
if (!smbc_getNetbiosName(context)) {
/*
* We try to get our netbios name from the config. If that
errno = ENOMEM;
return NULL;
}
-
+
smbc_setNetbiosName(context, netbios_name);
+ SAFE_FREE(netbios_name);
+
+ if (!smbc_getNetbiosName(context)) {
+ errno = ENOMEM;
+ return NULL;
+ }
}
-
+
DEBUG(1, ("Using netbios name %s.\n", smbc_getNetbiosName(context)));
-
+
if (!smbc_getWorkgroup(context)) {
char *workgroup;
}
smbc_setWorkgroup(context, workgroup);
+ SAFE_FREE(workgroup);
+
+ if (!smbc_getWorkgroup(context)) {
+ errno = ENOMEM;
+ return NULL;
+ }
}
-
+
DEBUG(1, ("Using workgroup %s.\n", smbc_getWorkgroup(context)));
-
+
/* shortest timeout is 1 second */
if (smbc_getTimeout(context) > 0 && smbc_getTimeout(context) < 1000)
smbc_setTimeout(context, 1000);
-
- /*
- * FIXME: Should we check the function pointers here?
- */
-
+
context->internal->initialized = True;
+
+ /* Protect access to the count of contexts in use */
+ if (SMB_THREAD_LOCK(initialized_ctx_count_mutex) != 0) {
+ smb_panic("error locking 'initialized_ctx_count'");
+ }
+
initialized_ctx_count++;
+ /* Unlock the mutex */
+ if (SMB_THREAD_UNLOCK(initialized_ctx_count_mutex) != 0) {
+ smb_panic("error unlocking 'initialized_ctx_count'");
+ }
+
return context;
}
{
smbc_bool use_kerberos = false;
const char *signing_state = "off";
- struct user_auth_info *auth_info = user_auth_info_init(NULL);
+ struct user_auth_info *auth_info = NULL;
+
+ if (! context) {
+
+ return;
+ }
- if (auth_info) {
+ if (! workgroup || ! *workgroup) {
+ workgroup = smbc_getWorkgroup(context);
}
- if (! context ||
- ! workgroup || ! *workgroup ||
- ! user || ! *user ||
- ! password || ! *password) {
+ if (! user) {
+ user = smbc_getUser(context);
+ }
- return;
+ if (! password) {
+ password = "";
}
auth_info = user_auth_info_init(NULL);
- if (auth_info) {
+ if (! auth_info) {
DEBUG(0, ("smbc_set_credentials_with_fallback: allocation fail\n"));
return;
}
set_cmdline_auth_info_signing_state(auth_info, signing_state);
set_cmdline_auth_info_fallback_after_kerberos(auth_info,
smbc_getOptionFallbackAfterKerberos(context));
+ set_cmdline_auth_info_use_ccache(
+ auth_info, smbc_getOptionUseCCache(context));
set_global_myworkgroup(workgroup);
TALLOC_FREE(context->internal->auth_info);
git.samba.org / metze / samba / wip.git / blobdiff