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authorRichard Sharpe <sharpe@samba.org>2002-07-13 05:13:02 +0000
committerRichard Sharpe <sharpe@samba.org>2002-07-13 05:13:02 +0000
commit5c682b73371c22e3e9abb620d4cdab10f7a78646 (patch)
tree912f52355a722059959ebfacd176225c6d53b324 /source3
parent1e8952c6849d0d5d4984a61080ab49ac2f64e43d (diff)
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Add these two files I forgot.
(This used to be commit 5706e6af168b14a40cb1e306c2911182260ff0d3)
Diffstat (limited to 'source3')
-rw-r--r--source3/libsmb/libsmb_cache.c191
-rw-r--r--source3/libsmb/libsmb_compat.c285
2 files changed, 476 insertions, 0 deletions
diff --git a/source3/libsmb/libsmb_cache.c b/source3/libsmb/libsmb_cache.c
new file mode 100644
index 0000000000..34b818ee74
--- /dev/null
+++ b/source3/libsmb/libsmb_cache.c
@@ -0,0 +1,191 @@
+/*
+ Unix SMB/CIFS implementation.
+ SMB client library implementation (server cache)
+ Copyright (C) Andrew Tridgell 1998
+ Copyright (C) Richard Sharpe 2000
+ Copyright (C) John Terpstra 2000
+ Copyright (C) Tom Jansen (Ninja ISD) 2002
+
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/*
+ * Define this to get the real SMBCFILE and SMBCSRV structures
+ */
+#define _SMBC_INTERNAL
+#include "libsmbclient.h"
+
+/*
+ * Structure we use if internal caching mechanism is used
+ * nothing fancy here.
+ */
+struct smbc_server_cache {
+ char *server_name;
+ char *share_name;
+ char *workgroup;
+ char *username;
+ SMBCSRV *server;
+
+ struct smbc_server_cache *next, *prev;
+};
+
+
+
+/*
+ * Add a new connection to the server cache.
+ * This function is only used if the external cache is not enabled
+ */
+static int smbc_add_cached_server(SMBCCTX * context, SMBCSRV * new,
+ char * server, char * share,
+ char * workgroup, char * username)
+{
+ struct smbc_server_cache * srvcache = NULL;
+
+ if (!(srvcache = malloc(sizeof(*srvcache)))) {
+ errno = ENOMEM;
+ DEBUG(3, ("Not enough space for server cache allocation\n"));
+ return 1;
+ }
+
+ ZERO_STRUCTP(srvcache);
+
+ srvcache->server = new;
+
+ srvcache->server_name = strdup(server);
+ if (!srvcache->server_name) {
+ errno = ENOMEM;
+ goto failed;
+ }
+
+ srvcache->share_name = strdup(share);
+ if (!srvcache->share_name) {
+ errno = ENOMEM;
+ goto failed;
+ }
+
+ srvcache->workgroup = strdup(workgroup);
+ if (!srvcache->workgroup) {
+ errno = ENOMEM;
+ goto failed;
+ }
+
+ srvcache->username = strdup(username);
+ if (!srvcache->username) {
+ errno = ENOMEM;
+ goto failed;
+ }
+
+ DLIST_ADD(((struct smbc_server_cache *)context->server_cache), srvcache);
+ return 0;
+
+ failed:
+ SAFE_FREE(srvcache->server_name);
+ SAFE_FREE(srvcache->share_name);
+ SAFE_FREE(srvcache->workgroup);
+ SAFE_FREE(srvcache->username);
+
+ return 1;
+}
+
+
+
+/*
+ * Search the server cache for a server
+ * returns server_fd on success, -1 on error (not found)
+ * This function is only used if the external cache is not enabled
+ */
+static SMBCSRV * smbc_get_cached_server(SMBCCTX * context, char * server,
+ char * share, char * workgroup, char * user)
+{
+ struct smbc_server_cache * srv = NULL;
+
+ /* Search the cache lines */
+ for (srv=((struct smbc_server_cache *)context->server_cache);srv;srv=srv->next) {
+ if (strcmp(server,srv->server_name) == 0 &&
+ strcmp(share,srv->share_name) == 0 &&
+ strcmp(workgroup,srv->workgroup) == 0 &&
+ strcmp(user, srv->username) == 0)
+ return srv->server;
+ }
+
+ return NULL;
+}
+
+
+/*
+ * Search the server cache for a server and remove it
+ * returns 0 on success
+ * This function is only used if the external cache is not enabled
+ */
+static int smbc_remove_cached_server(SMBCCTX * context, SMBCSRV * server)
+{
+ struct smbc_server_cache * srv = NULL;
+
+ for (srv=((struct smbc_server_cache *)context->server_cache);srv;srv=srv->next) {
+ if (server == srv->server) {
+
+ /* remove this sucker */
+ DLIST_REMOVE(((struct smbc_server_cache *)context->server_cache), srv);
+ SAFE_FREE(srv->server_name);
+ SAFE_FREE(srv->share_name);
+ SAFE_FREE(srv->workgroup);
+ SAFE_FREE(srv->username);
+ SAFE_FREE(srv);
+ return 0;
+ }
+ }
+ /* server not found */
+ return 1;
+}
+
+
+/*
+ * Try to remove all the servers in cache
+ * returns 1 on failure and 0 if all servers could be removed.
+ */
+static int smbc_purge_cached(SMBCCTX * context)
+{
+ struct smbc_server_cache * srv = NULL;
+ int could_not_purge_all = 0;
+
+ for (srv=((struct smbc_server_cache *) context->server_cache);srv;srv=srv->next) {
+ if (smbc_remove_unused_server(context, srv->server)) {
+ /* could not be removed */
+ could_not_purge_all = 1;
+ }
+ }
+ return could_not_purge_all;
+}
+
+
+
+/*
+ * This functions initializes all server-cache related functions
+ * to the default (internal) system.
+ *
+ * We use this to make the rest of the cache system static.
+ */
+
+int smbc_default_cache_functions(SMBCCTX * context)
+{
+ context->callbacks.add_cached_srv_fn = smbc_add_cached_server;
+ context->callbacks.get_cached_srv_fn = smbc_get_cached_server;
+ context->callbacks.remove_cached_srv_fn = smbc_remove_cached_server;
+ context->callbacks.purge_cached_fn = smbc_purge_cached;
+
+ return 0;
+}
diff --git a/source3/libsmb/libsmb_compat.c b/source3/libsmb/libsmb_compat.c
new file mode 100644
index 0000000000..dbfd860358
--- /dev/null
+++ b/source3/libsmb/libsmb_compat.c
@@ -0,0 +1,285 @@
+/*
+ Unix SMB/CIFS implementation.
+ SMB client library implementation (Old interface compatibility)
+ Copyright (C) Andrew Tridgell 1998
+ Copyright (C) Richard Sharpe 2000
+ Copyright (C) John Terpstra 2000
+ Copyright (C) Tom Jansen (Ninja ISD) 2002
+
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#include "includes.h"
+
+/*
+ * Define this to get the real SMBCFILE and SMBCSRV structures
+ */
+#define _SMBC_INTERNAL
+#include "libsmbclient.h"
+
+struct smbc_compat_fdlist {
+ SMBCFILE * file;
+ int fd;
+ struct smbc_compat_fdlist *next, *prev;
+};
+
+static SMBCCTX * statcont = NULL;
+static int smbc_compat_initialized = 0;
+static int smbc_currentfd = 10000;
+static struct smbc_compat_fdlist * smbc_compat_fdlist = NULL;
+
+
+/* Find an fd and return the SMBCFILE * or NULL on failure */
+static SMBCFILE * find_fd(int fd)
+{
+ struct smbc_compat_fdlist * f = smbc_compat_fdlist;
+ while (f) {
+ if (f->fd == fd)
+ return f->file;
+ f = f->next;
+ }
+ return NULL;
+}
+
+/* Add an fd, returns 0 on success, -1 on error with errno set */
+static int add_fd(SMBCFILE * file)
+{
+ struct smbc_compat_fdlist * f = malloc(sizeof(struct smbc_compat_fdlist));
+ if (!f) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ f->fd = smbc_currentfd++;
+ f->file = file;
+
+ DLIST_ADD(smbc_compat_fdlist, f);
+
+ return f->fd;
+}
+
+
+
+/* Delete an fd, returns 0 on success */
+static int del_fd(int fd)
+{
+ struct smbc_compat_fdlist * f = smbc_compat_fdlist;
+ while (f) {
+ if (f->fd == fd)
+ break;
+ f = f->next;
+ }
+ if (f) {
+ /* found */
+ DLIST_REMOVE(smbc_compat_fdlist, f);
+ SAFE_FREE(f);
+ return 0;
+ }
+ return 1;
+}
+
+
+
+int smbc_init(smbc_get_auth_data_fn fn, int debug)
+{
+ if (!smbc_compat_initialized) {
+ statcont = smbc_new_context();
+ if (!statcont)
+ return -1;
+
+ statcont->debug = debug;
+ statcont->callbacks.auth_fn = fn;
+
+ if (!smbc_init_context(statcont)) {
+ smbc_free_context(statcont, False);
+ return -1;
+ }
+
+ smbc_compat_initialized = 1;
+
+ return 0;
+ }
+ return 0;
+}
+
+
+int smbc_open(const char *furl, int flags, mode_t mode)
+{
+ SMBCFILE * file;
+ int fd;
+
+ file = statcont->open(statcont, furl, flags, mode);
+ if (!file)
+ return -1;
+
+ fd = add_fd(file);
+ if (fd == -1)
+ statcont->close(statcont, file);
+ return fd;
+}
+
+
+int smbc_creat(const char *furl, mode_t mode)
+{
+ SMBCFILE * file;
+ int fd;
+
+ file = statcont->creat(statcont, furl, mode);
+ if (!file)
+ return -1;
+
+ fd = add_fd(file);
+ if (fd == -1) {
+ /* Hmm... should we delete the file too ? I guess we could try */
+ statcont->close(statcont, file);
+ statcont->unlink(statcont, furl);
+ }
+ return fd;
+}
+
+
+ssize_t smbc_read(int fd, void *buf, size_t bufsize)
+{
+ SMBCFILE * file = find_fd(fd);
+ return statcont->read(statcont, file, buf, bufsize);
+}
+
+ssize_t smbc_write(int fd, void *buf, size_t bufsize)
+{
+ SMBCFILE * file = find_fd(fd);
+ return statcont->write(statcont, file, buf, bufsize);
+}
+
+off_t smbc_lseek(int fd, off_t offset, int whence)
+{
+ SMBCFILE * file = find_fd(fd);
+ return statcont->lseek(statcont, file, offset, whence);
+}
+
+int smbc_close(int fd)
+{
+ SMBCFILE * file = find_fd(fd);
+ del_fd(fd);
+ return statcont->close(statcont, file);
+}
+
+int smbc_unlink(const char *fname)
+{
+ return statcont->unlink(statcont, fname);
+}
+
+int smbc_rename(const char *ourl, const char *nurl)
+{
+ return statcont->rename(statcont, ourl, statcont, nurl);
+}
+
+int smbc_opendir(const char *durl)
+{
+ SMBCFILE * file;
+ int fd;
+
+ file = statcont->opendir(statcont, durl);
+ if (!file)
+ return -1;
+
+ fd = add_fd(file);
+ if (fd == -1)
+ statcont->closedir(statcont, file);
+
+ return fd;
+}
+
+int smbc_closedir(int dh)
+{
+ SMBCFILE * file = find_fd(dh);
+ del_fd(dh);
+ return statcont->closedir(statcont, file);
+}
+
+int smbc_getdents(unsigned int dh, struct smbc_dirent *dirp, int count)
+{
+ SMBCFILE * file = find_fd(dh);
+ return statcont->getdents(statcont, file,dirp, count);
+}
+
+struct smbc_dirent* smbc_readdir(unsigned int dh)
+{
+ SMBCFILE * file = find_fd(dh);
+ return statcont->readdir(statcont, file);
+}
+
+off_t smbc_telldir(int dh)
+{
+ SMBCFILE * file = find_fd(dh);
+ return statcont->telldir(statcont, file);
+}
+
+int smbc_lseekdir(int fd, off_t offset)
+{
+ SMBCFILE * file = find_fd(fd);
+ return statcont->lseekdir(statcont, file, offset);
+}
+
+int smbc_mkdir(const char *durl, mode_t mode)
+{
+ return statcont->mkdir(statcont, durl, mode);
+}
+
+int smbc_rmdir(const char *durl)
+{
+ return statcont->rmdir(statcont, durl);
+}
+
+int smbc_stat(const char *url, struct stat *st)
+{
+ return statcont->stat(statcont, url, st);
+}
+
+int smbc_fstat(int fd, struct stat *st)
+{
+ SMBCFILE * file = find_fd(fd);
+ return statcont->fstat(statcont, file, st);
+}
+
+int smbc_chmod(const char *url, mode_t mode)
+{
+ /* NOT IMPLEMENTED IN LIBSMBCLIENT YET */
+ return -1;
+}
+
+int smbc_print_file(const char *fname, const char *printq)
+{
+ return statcont->print_file(statcont, fname, statcont, printq);
+}
+
+int smbc_open_print_job(const char *fname)
+{
+ SMBCFILE * file = statcont->open_print_job(statcont, fname);
+ if (!file) return -1;
+ return (int) file;
+}
+
+int smbc_list_print_jobs(const char *purl, smbc_get_print_job_info fn)
+{
+ return statcont->list_print_jobs(statcont, purl, fn);
+}
+
+int smbc_unlink_print_job(const char *purl, int id)
+{
+ return statcont->unlink_print_job(statcont, purl, id);
+}
+
+