diff options
| -rw-r--r-- | source4/lib/ldb/Makefile.in | 12 | ||||
| -rw-r--r-- | source4/lib/ldb/examples/ldbreader.c | 125 | ||||
| -rw-r--r-- | source4/lib/ldb/examples/ldifreader.c | 129 |
3 files changed, 263 insertions, 3 deletions
diff --git a/source4/lib/ldb/Makefile.in b/source4/lib/ldb/Makefile.in index fb73f10c50..039e9a657f 100644 --- a/source4/lib/ldb/Makefile.in +++ b/source4/lib/ldb/Makefile.in @@ -52,7 +52,6 @@ LDB_TDB_OBJ=ldb_tdb/ldb_tdb.o \ ldb_tdb/ldb_pack.o ldb_tdb/ldb_search.o ldb_tdb/ldb_index.o \ ldb_tdb/ldb_cache.o ldb_tdb/ldb_tdb_wrap.o - COMMON_OBJ=common/ldb.o common/ldb_ldif.o \ common/ldb_parse.o common/ldb_msg.o common/ldb_utf8.o \ common/ldb_debug.o common/ldb_modules.o \ @@ -75,6 +74,8 @@ DIRS = lib bin MANPAGES = $(patsubst %.xml,%,$(wildcard man/*.xml)) +EXAMPLES = examples/ldbreader examples/ldifreader + all: $(DIRS) $(BINS) $(LIBS) $(EXAMPLES) $(MANPAGES) .c.o: @@ -113,6 +114,12 @@ bin/ldbtest: tools/ldbtest.o tools/cmdline.o $(LIBS) bin/oLschema2ldif: tools/oLschema2ldif.o tools/cmdline.o $(LIBS) $(CC) -o bin/oLschema2ldif tools/oLschema2ldif.o tools/cmdline.o $(LIB_FLAGS) +examples/ldbreader: examples/ldbreader.o $(LIBS) + $(CC) -o examples/ldbreader examples/ldbreader.o $(LIB_FLAGS) + +examples/ldifreader: examples/ldifreader.o $(LIBS) + $(CC) -o examples/ldifreader examples/ldifreader.o $(LIB_FLAGS) + .SUFFIXES: .1 .1.xml .3 .3.xml .xml .html %.3: %.3.xml @@ -124,12 +131,11 @@ bin/oLschema2ldif: tools/oLschema2ldif.o tools/cmdline.o $(LIBS) %.html: %.xml test -z "$(XSLTPROC)" || $(XSLTPROC) -o $@ http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl $< -manpages: $(patsubst %.xml,%,$(wildcard man/*.xml)) - clean: rm -f */*.o *.gcov */*.gc?? tdbtest.ldb* \ rm -f $(BINS) $(TDB_OBJ) $(TALLOC_OBJ) $(LDB_LIB) rm -f $(MANPAGES) + rm -f $(EXAMPLES) distclean: clean rm -f *~ */*~ diff --git a/source4/lib/ldb/examples/ldbreader.c b/source4/lib/ldb/examples/ldbreader.c new file mode 100644 index 0000000000..207c6c3d42 --- /dev/null +++ b/source4/lib/ldb/examples/ldbreader.c @@ -0,0 +1,125 @@ +/* + example code for the ldb database library + + Copyright (C) Brad Hards (bradh@frogmouth.net) 2005-2006 + + ** NOTE! The following LGPL license applies to the ldb + ** library. This does NOT imply that all of Samba is released + ** under the LGPL + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301 USA +*/ + +/** \example ldbreader.c + +The code below shows a simple LDB application. + +It lists / dumps the records in a LDB database to standard output. + +*/ + +#include "includes.h" +#include "ldb/include/ldb.h" +#include "ldb/include/ldb_errors.h" + +/* + ldb_ldif_write takes a function pointer to a custom output + function. This version is about as simple as the output function can + be. In a more complex example, you'd likely be doing something with + the private data function (e.g. holding a file handle). +*/ +static int vprintf_fn(void *private_data, const char *fmt, ...) +{ + int retval; + va_list ap; + + va_start(ap, fmt); + /* We just write to standard output */ + retval = vprintf(fmt, ap); + va_end(ap); + /* Note that the function should return the number of + bytes written, or a negative error code */ + return retval; +} + +int main(int argc, const char **argv) +{ + struct ldb_context *ldb; + const char *expression = "(dn=*)"; + struct ldb_result *resultMsg; + int i; + + /* + This is the always the first thing you want to do in an LDB + application - initialise up the context structure. + + Note that you can use the context structure as a parent + for talloc allocations as well + */ + ldb = ldb_init(NULL); + + /* + We now open the database. In this example we just hard code the connection path. + + Also note that the database is being opened read-only. This means that the + call will fail unless the database already exists. + */ + if (LDB_SUCCESS != ldb_connect(ldb, "tdb://tdbtest.ldb", LDB_FLG_RDONLY, NULL) ){ + printf("Problem on connection\n"); + exit(-1); + } + + /* + At this stage we have an open database, and can start using it. It is opened + read-only, so a query is possible. + + We construct a search that just returns all the (sensible) contents. You can do + quite fine grained results with the LDAP search syntax, however it is a bit + confusing to start with. See RFC2254. + */ + if (LDB_SUCCESS != ldb_search(ldb, NULL, LDB_SCOPE_DEFAULT, + expression, NULL, &resultMsg) ) { + printf("Problem in search\n"); + exit(-1); + } + + printf("%i records returned\n", resultMsg->count); + + /* + We can now iterate through the results, writing them out + (to standard output) with our custom output routine as defined + at the top of this file + */ + for (i = 0; i < resultMsg->count; ++i) { + struct ldb_ldif ldifMsg; + + printf("Message: %i\n", i+1); + + ldifMsg.changetype = LDB_CHANGETYPE_NONE; + ldifMsg.msg = resultMsg->msgs[i]; + ldb_ldif_write(ldb, vprintf_fn, NULL, &ldifMsg); + } + + /* + There are two objects to clean up - the result from the + ldb_search() query, and the original ldb context. + */ + talloc_free(resultMsg); + + talloc_free(ldb); + + return 0; +} diff --git a/source4/lib/ldb/examples/ldifreader.c b/source4/lib/ldb/examples/ldifreader.c new file mode 100644 index 0000000000..3b8591e73f --- /dev/null +++ b/source4/lib/ldb/examples/ldifreader.c @@ -0,0 +1,129 @@ +/* + example code for the ldb database library + + Copyright (C) Brad Hards (bradh@frogmouth.net) 2005-2006 + + ** NOTE! The following LGPL license applies to the ldb + ** library. This does NOT imply that all of Samba is released + ** under the LGPL + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301 USA +*/ + +/** \example ldifreader.c + +The code below shows a simple LDB application. + +It lists / dumps the entries in an LDIF file to standard output. + +*/ + +#include "includes.h" +#include "ldb/include/ldb.h" +#include "ldb/include/ldb_errors.h" + +/* + ldb_ldif_write takes a function pointer to a custom output + function. This version is about as simple as the output function can + be. In a more complex example, you'd likely be doing something with + the private data function (e.g. holding a file handle). +*/ +static int vprintf_fn(void *private_data, const char *fmt, ...) +{ + int retval; + va_list ap; + + va_start(ap, fmt); + /* We just write to standard output */ + retval = vprintf(fmt, ap); + va_end(ap); + /* Note that the function should return the number of + bytes written, or a negative error code */ + return retval; +} + +int main(int argc, const char **argv) +{ + struct ldb_context *ldb; + FILE *fileStream; + struct ldb_ldif *ldifMsg; + + if (argc != 2) { + printf("Usage %s filename.ldif\n", argv[0]); + exit(1); + } + + /* + This is the always the first thing you want to do in an LDB + application - initialise up the context structure. + + Note that you can use the context structure as a parent + for talloc allocations as well + */ + ldb = ldb_init(NULL); + + fileStream = fopen(argv[1], "r"); + if (0 == fileStream) { + perror(argv[1]); + exit(1); + } + + /* + We now work through the filestream to get each entry. + */ + while ( (ldifMsg = ldb_ldif_read_file(ldb, fileStream)) ) { + /* + Each message has a particular change type. For Add, + Modify and Delete, this will also appear in the + output listing (as changetype: add, changetype: + modify or changetype:delete, respectively). + */ + switch (ldifMsg->changetype) { + case LDB_CHANGETYPE_NONE: + printf("ChangeType: None\n"); + break; + case LDB_CHANGETYPE_ADD: + printf("ChangeType: Add\n"); + break; + case LDB_CHANGETYPE_MODIFY: + printf("ChangeType: Modify\n"); + break; + case LDB_CHANGETYPE_DELETE: + printf("ChangeType: Delete\n"); + break; + default: + printf("ChangeType: Unknown\n"); + } + + /* + We can now write out the results, using our custom + output routine as defined at the top of this file. + */ + ldb_ldif_write(ldb, vprintf_fn, NULL, ldifMsg); + + /* + Clean up the message + */ + ldb_ldif_read_free(ldb, ldifMsg); + } + + /* + Clean up the context + */ + talloc_free(ldb); + + return 0; +} |