From 8420a36dc7fe72fb665e065b8673fa44ff1bbf21 Mon Sep 17 00:00:00 2001 From: Andrew Bartlett Date: Tue, 5 Jul 2011 10:01:32 +1000 Subject: ldb: make ldb a top level library for Samba 4.0 Signed-off-by: Andrew Tridgell --- lib/ldb/tools/cmdline.c | 469 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 469 insertions(+) create mode 100644 lib/ldb/tools/cmdline.c (limited to 'lib/ldb/tools/cmdline.c') diff --git a/lib/ldb/tools/cmdline.c b/lib/ldb/tools/cmdline.c new file mode 100644 index 0000000000..a06445fc0f --- /dev/null +++ b/lib/ldb/tools/cmdline.c @@ -0,0 +1,469 @@ +/* + ldb database library - command line handling for ldb tools + + Copyright (C) Andrew Tridgell 2005 + + ** 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 3 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, see . +*/ + +#include "replace.h" +#include "system/filesys.h" +#include "system/time.h" +#include "ldb.h" +#include "ldb_module.h" +#include "tools/cmdline.h" + +static struct ldb_cmdline options; /* needs to be static for older compilers */ + +enum ldb_cmdline_options { CMDLINE_RELAX=1 }; + +static struct poptOption builtin_popt_options[] = { + POPT_AUTOHELP + { "url", 'H', POPT_ARG_STRING, &options.url, 0, "database URL", "URL" }, + { "basedn", 'b', POPT_ARG_STRING, &options.basedn, 0, "base DN", "DN" }, + { "editor", 'e', POPT_ARG_STRING, &options.editor, 0, "external editor", "PROGRAM" }, + { "scope", 's', POPT_ARG_STRING, NULL, 's', "search scope", "SCOPE" }, + { "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "increase verbosity", NULL }, + { "trace", 0, POPT_ARG_NONE, &options.tracing, 0, "enable tracing", NULL }, + { "interactive", 'i', POPT_ARG_NONE, &options.interactive, 0, "input from stdin", NULL }, + { "recursive", 'r', POPT_ARG_NONE, &options.recursive, 0, "recursive delete", NULL }, + { "modules-path", 0, POPT_ARG_STRING, &options.modules_path, 0, "modules path", "PATH" }, + { "num-searches", 0, POPT_ARG_INT, &options.num_searches, 0, "number of test searches", NULL }, + { "num-records", 0, POPT_ARG_INT, &options.num_records, 0, "number of test records", NULL }, + { "all", 'a', POPT_ARG_NONE, &options.all_records, 0, "(|(objectClass=*)(distinguishedName=*))", NULL }, + { "nosync", 0, POPT_ARG_NONE, &options.nosync, 0, "non-synchronous transactions", NULL }, + { "sorted", 'S', POPT_ARG_NONE, &options.sorted, 0, "sort attributes", NULL }, + { NULL, 'o', POPT_ARG_STRING, NULL, 'o', "ldb_connect option", "OPTION" }, + { "controls", 0, POPT_ARG_STRING, NULL, 'c', "controls", NULL }, + { "show-binary", 0, POPT_ARG_NONE, &options.show_binary, 0, "display binary LDIF", NULL }, + { "paged", 0, POPT_ARG_NONE, NULL, 'P', "use a paged search", NULL }, + { "show-deleted", 0, POPT_ARG_NONE, NULL, 'D', "show deleted objects", NULL }, + { "show-recycled", 0, POPT_ARG_NONE, NULL, 'R', "show recycled objects", NULL }, + { "show-deactivated-link", 0, POPT_ARG_NONE, NULL, 'd', "show deactivated links", NULL }, + { "reveal", 0, POPT_ARG_NONE, NULL, 'r', "reveal ldb internals", NULL }, + { "relax", 0, POPT_ARG_NONE, NULL, CMDLINE_RELAX, "pass relax control", NULL }, + { "cross-ncs", 0, POPT_ARG_NONE, NULL, 'N', "search across NC boundaries", NULL }, + { "extended-dn", 0, POPT_ARG_NONE, NULL, 'E', "show extended DNs", NULL }, + { NULL } +}; + +void ldb_cmdline_help(struct ldb_context *ldb, const char *cmdname, FILE *f) +{ + poptContext pc; + struct poptOption **popt_options = ldb_module_popt_options(ldb); + pc = poptGetContext(cmdname, 0, NULL, *popt_options, + POPT_CONTEXT_KEEP_FIRST); + poptPrintHelp(pc, f, 0); +} + +/* + add a control to the options structure + */ +static bool add_control(TALLOC_CTX *mem_ctx, const char *control) +{ + unsigned int i; + + /* count how many controls we already have */ + for (i=0; options.controls && options.controls[i]; i++) ; + + options.controls = talloc_realloc(mem_ctx, options.controls, const char *, i + 2); + if (options.controls == NULL) { + return false; + } + options.controls[i] = control; + options.controls[i+1] = NULL; + return true; +} + +/** + process command line options +*/ +struct ldb_cmdline *ldb_cmdline_process(struct ldb_context *ldb, + int argc, const char **argv, + void (*usage)(struct ldb_context *)) +{ + struct ldb_cmdline *ret=NULL; + poptContext pc; + int num_options = 0; + int opt; + unsigned int flags = 0; + int rc; + struct poptOption **popt_options; + + /* make the ldb utilities line buffered */ + setlinebuf(stdout); + + ret = talloc_zero(ldb, struct ldb_cmdline); + if (ret == NULL) { + fprintf(stderr, "Out of memory!\n"); + goto failed; + } + + options = *ret; + + /* pull in URL */ + options.url = getenv("LDB_URL"); + + /* and editor (used by ldbedit) */ + options.editor = getenv("VISUAL"); + if (!options.editor) { + options.editor = getenv("EDITOR"); + } + if (!options.editor) { + options.editor = "vi"; + } + + options.scope = LDB_SCOPE_DEFAULT; + + popt_options = ldb_module_popt_options(ldb); + (*popt_options) = builtin_popt_options; + + rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_OPTIONS); + if (rc != LDB_SUCCESS) { + fprintf(stderr, "ldb: failed to run command line hooks : %s\n", ldb_strerror(rc)); + goto failed; + } + + pc = poptGetContext(argv[0], argc, argv, *popt_options, + POPT_CONTEXT_KEEP_FIRST); + + while((opt = poptGetNextOpt(pc)) != -1) { + switch (opt) { + case 's': { + const char *arg = poptGetOptArg(pc); + if (strcmp(arg, "base") == 0) { + options.scope = LDB_SCOPE_BASE; + } else if (strcmp(arg, "sub") == 0) { + options.scope = LDB_SCOPE_SUBTREE; + } else if (strcmp(arg, "one") == 0) { + options.scope = LDB_SCOPE_ONELEVEL; + } else { + fprintf(stderr, "Invalid scope '%s'\n", arg); + goto failed; + } + break; + } + + case 'v': + options.verbose++; + break; + + case 'o': + options.options = talloc_realloc(ret, options.options, + const char *, num_options+3); + if (options.options == NULL) { + fprintf(stderr, "Out of memory!\n"); + goto failed; + } + options.options[num_options] = poptGetOptArg(pc); + options.options[num_options+1] = NULL; + num_options++; + break; + + case 'c': { + const char *cs = poptGetOptArg(pc); + const char *p; + + for (p = cs; p != NULL; ) { + const char *t, *c; + + t = strchr(p, ','); + if (t == NULL) { + c = talloc_strdup(options.controls, p); + p = NULL; + } else { + c = talloc_strndup(options.controls, p, t-p); + p = t + 1; + } + if (c == NULL || !add_control(ret, c)) { + fprintf(stderr, __location__ ": out of memory\n"); + goto failed; + } + } + + break; + } + case 'P': + if (!add_control(ret, "paged_results:1:1024")) { + fprintf(stderr, __location__ ": out of memory\n"); + goto failed; + } + break; + case 'D': + if (!add_control(ret, "show_deleted:1")) { + fprintf(stderr, __location__ ": out of memory\n"); + goto failed; + } + break; + case 'R': + if (!add_control(ret, "show_recycled:0")) { + fprintf(stderr, __location__ ": out of memory\n"); + goto failed; + } + break; + case 'd': + if (!add_control(ret, "show_deactivated_link:0")) { + fprintf(stderr, __location__ ": out of memory\n"); + goto failed; + } + break; + case 'r': + if (!add_control(ret, "reveal_internals:0")) { + fprintf(stderr, __location__ ": out of memory\n"); + goto failed; + } + break; + case CMDLINE_RELAX: + if (!add_control(ret, "relax:0")) { + fprintf(stderr, __location__ ": out of memory\n"); + goto failed; + } + break; + case 'N': + if (!add_control(ret, "search_options:1:2")) { + fprintf(stderr, __location__ ": out of memory\n"); + goto failed; + } + break; + case 'E': + if (!add_control(ret, "extended_dn:1:1")) { + fprintf(stderr, __location__ ": out of memory\n"); + goto failed; + } + break; + default: + fprintf(stderr, "Invalid option %s: %s\n", + poptBadOption(pc, 0), poptStrerror(opt)); + if (usage) usage(ldb); + goto failed; + } + } + + /* setup the remaining options for the main program to use */ + options.argv = poptGetArgs(pc); + if (options.argv) { + options.argv++; + while (options.argv[options.argc]) options.argc++; + } + + *ret = options; + + /* all utils need some option */ + if (ret->url == NULL) { + fprintf(stderr, "You must supply a url with -H or with $LDB_URL\n"); + if (usage) usage(ldb); + goto failed; + } + + if (strcmp(ret->url, "NONE") == 0) { + return ret; + } + + if (options.nosync) { + flags |= LDB_FLG_NOSYNC; + } + + if (options.show_binary) { + flags |= LDB_FLG_SHOW_BINARY; + } + + if (options.tracing) { + flags |= LDB_FLG_ENABLE_TRACING; + } + + if (options.modules_path != NULL) { + ldb_set_modules_dir(ldb, options.modules_path); + } + + rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_PRECONNECT); + if (rc != LDB_SUCCESS) { + fprintf(stderr, "ldb: failed to run preconnect hooks : %s\n", ldb_strerror(rc)); + goto failed; + } + + /* now connect to the ldb */ + if (ldb_connect(ldb, ret->url, flags, ret->options) != LDB_SUCCESS) { + fprintf(stderr, "Failed to connect to %s - %s\n", + ret->url, ldb_errstring(ldb)); + goto failed; + } + + rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_POSTCONNECT); + if (rc != LDB_SUCCESS) { + fprintf(stderr, "ldb: failed to run post connect hooks : %s\n", ldb_strerror(rc)); + goto failed; + } + + return ret; + +failed: + talloc_free(ret); + exit(LDB_ERR_OPERATIONS_ERROR); + return NULL; +} + +/* this function check controls reply and determines if more + * processing is needed setting up the request controls correctly + * + * returns: + * -1 error + * 0 all ok + * 1 all ok, more processing required + */ +int handle_controls_reply(struct ldb_control **reply, struct ldb_control **request) +{ + unsigned int i, j; + int ret = 0; + + if (reply == NULL || request == NULL) return -1; + + for (i = 0; reply[i]; i++) { + if (strcmp(LDB_CONTROL_VLV_RESP_OID, reply[i]->oid) == 0) { + struct ldb_vlv_resp_control *rep_control; + + rep_control = talloc_get_type(reply[i]->data, struct ldb_vlv_resp_control); + + /* check we have a matching control in the request */ + for (j = 0; request[j]; j++) { + if (strcmp(LDB_CONTROL_VLV_REQ_OID, request[j]->oid) == 0) + break; + } + if (! request[j]) { + fprintf(stderr, "Warning VLV reply received but no request have been made\n"); + continue; + } + + /* check the result */ + if (rep_control->vlv_result != 0) { + fprintf(stderr, "Warning: VLV not performed with error: %d\n", rep_control->vlv_result); + } else { + fprintf(stderr, "VLV Info: target position = %d, content count = %d\n", rep_control->targetPosition, rep_control->contentCount); + } + + continue; + } + + if (strcmp(LDB_CONTROL_ASQ_OID, reply[i]->oid) == 0) { + struct ldb_asq_control *rep_control; + + rep_control = talloc_get_type(reply[i]->data, struct ldb_asq_control); + + /* check the result */ + if (rep_control->result != 0) { + fprintf(stderr, "Warning: ASQ not performed with error: %d\n", rep_control->result); + } + + continue; + } + + if (strcmp(LDB_CONTROL_PAGED_RESULTS_OID, reply[i]->oid) == 0) { + struct ldb_paged_control *rep_control, *req_control; + + rep_control = talloc_get_type(reply[i]->data, struct ldb_paged_control); + if (rep_control->cookie_len == 0) /* we are done */ + break; + + /* more processing required */ + /* let's fill in the request control with the new cookie */ + + for (j = 0; request[j]; j++) { + if (strcmp(LDB_CONTROL_PAGED_RESULTS_OID, request[j]->oid) == 0) + break; + } + /* if there's a reply control we must find a request + * control matching it */ + if (! request[j]) return -1; + + req_control = talloc_get_type(request[j]->data, struct ldb_paged_control); + + if (req_control->cookie) + talloc_free(req_control->cookie); + req_control->cookie = (char *)talloc_memdup( + req_control, rep_control->cookie, + rep_control->cookie_len); + req_control->cookie_len = rep_control->cookie_len; + + ret = 1; + + continue; + } + + if (strcmp(LDB_CONTROL_SORT_RESP_OID, reply[i]->oid) == 0) { + struct ldb_sort_resp_control *rep_control; + + rep_control = talloc_get_type(reply[i]->data, struct ldb_sort_resp_control); + + /* check we have a matching control in the request */ + for (j = 0; request[j]; j++) { + if (strcmp(LDB_CONTROL_SERVER_SORT_OID, request[j]->oid) == 0) + break; + } + if (! request[j]) { + fprintf(stderr, "Warning Server Sort reply received but no request found\n"); + continue; + } + + /* check the result */ + if (rep_control->result != 0) { + fprintf(stderr, "Warning: Sorting not performed with error: %d\n", rep_control->result); + } + + continue; + } + + if (strcmp(LDB_CONTROL_DIRSYNC_OID, reply[i]->oid) == 0) { + struct ldb_dirsync_control *rep_control, *req_control; + char *cookie; + + rep_control = talloc_get_type(reply[i]->data, struct ldb_dirsync_control); + if (rep_control->cookie_len == 0) /* we are done */ + break; + + /* more processing required */ + /* let's fill in the request control with the new cookie */ + + for (j = 0; request[j]; j++) { + if (strcmp(LDB_CONTROL_DIRSYNC_OID, request[j]->oid) == 0) + break; + } + /* if there's a reply control we must find a request + * control matching it */ + if (! request[j]) return -1; + + req_control = talloc_get_type(request[j]->data, struct ldb_dirsync_control); + + if (req_control->cookie) + talloc_free(req_control->cookie); + req_control->cookie = (char *)talloc_memdup( + req_control, rep_control->cookie, + rep_control->cookie_len); + req_control->cookie_len = rep_control->cookie_len; + + cookie = ldb_base64_encode(req_control, rep_control->cookie, rep_control->cookie_len); + printf("# DIRSYNC cookie returned was:\n# %s\n", cookie); + + continue; + } + + /* no controls matched, throw a warning */ + fprintf(stderr, "Unknown reply control oid: %s\n", reply[i]->oid); + } + + return ret; +} + -- cgit