#include "includes.h"
#include "lib/cmdline/popt_common.h"
#include "system/iconv.h"
-#include "librpc/gen_ndr/tables.h"
-
-static const struct dcerpc_interface_table *find_pipe(const char *pipe_name)
-{
- int i;
- for (i=0;dcerpc_pipes[i];i++) {
- if (strcmp(dcerpc_pipes[i]->name, pipe_name) == 0) {
- break;
- }
- }
- if (!dcerpc_pipes[i]) {
- printf("pipe '%s' not in table\n", pipe_name);
- exit(1);
- }
- return dcerpc_pipes[i];
-}
+#include "system/filesys.h"
+#include "librpc/rpc/dcerpc.h"
+#include "librpc/rpc/dcerpc_table.h"
static const struct dcerpc_interface_call *find_function(
const struct dcerpc_interface_table *p,
static void show_pipes(void)
{
- int i;
+ const struct dcerpc_interface_list *l;
printf("\nYou must specify a pipe\n");
printf("known pipes are:\n");
- for (i=0;dcerpc_pipes[i];i++) {
- if(dcerpc_pipes[i]->helpstring) {
- printf("\t%s - %s\n", dcerpc_pipes[i]->name, dcerpc_pipes[i]->helpstring);
+ for (l=librpc_dcerpc_pipes();l;l=l->next) {
+ if(l->table->helpstring) {
+ printf("\t%s - %s\n", l->table->name, l->table->helpstring);
} else {
- printf("\t%s\n", dcerpc_pipes[i]->name);
+ printf("\t%s\n", l->table->name);
}
}
exit(1);
exit(1);
}
- int main(int argc, const char *argv[])
+static char *stdin_load(TALLOC_CTX *mem_ctx, size_t *size)
+{
+ int num_read, total_len = 0;
+ char buf[255];
+ char *result = NULL;
+
+ while((num_read = read(STDIN_FILENO, buf, 255)) > 0) {
+
+ if (result) {
+ result = (char *) talloc_realloc(
+ mem_ctx, result, char *, total_len + num_read);
+ } else {
+ result = talloc_size(mem_ctx, num_read);
+ }
+
+ memcpy(result + total_len, buf, num_read);
+
+ total_len += num_read;
+ }
+
+ if (size)
+ *size = total_len;
+
+ return result;
+}
+
+const struct dcerpc_interface_table *load_iface_from_plugin(const char *plugin, const char *pipe_name)
{
const struct dcerpc_interface_table *p;
+ void *handle;
+ char *symbol;
+
+ handle = dlopen(plugin, RTLD_NOW);
+ if (handle == NULL) {
+ printf("%s: Unable to open: %s\n", plugin, dlerror());
+ return NULL;
+ }
+
+ symbol = talloc_asprintf(NULL, "dcerpc_table_%s", pipe_name);
+ p = dlsym(handle, symbol);
+
+ if (!p) {
+ printf("%s: Unable to find DCE/RPC interface table for '%s': %s\n", plugin, pipe_name, dlerror());
+ talloc_free(symbol);
+ return NULL;
+ }
+
+ talloc_free(symbol);
+
+ return p;
+}
+
+ int main(int argc, const char *argv[])
+{
+ const struct dcerpc_interface_table *p = NULL;
const struct dcerpc_interface_call *f;
const char *pipe_name, *function, *inout, *filename;
- char *data;
+ uint8_t *data;
size_t size;
DATA_BLOB blob;
- struct ndr_pull *ndr;
+ struct ndr_pull *ndr_pull;
+ struct ndr_print *ndr_print;
TALLOC_CTX *mem_ctx;
int flags;
poptContext pc;
NTSTATUS status;
void *st;
+ void *v_st;
const char *ctx_filename = NULL;
+ const char *plugin = NULL;
+ BOOL validate = False;
+ BOOL dumpdata = False;
int opt;
- struct ndr_print *pr;
struct poptOption long_options[] = {
{"context-file", 'c', POPT_ARG_STRING, &ctx_filename, 0, "In-filename to parse first", "CTX-FILE" },
+ {"validate", 0, POPT_ARG_NONE, &validate, 0, "try to validate the data", NULL },
+ {"dump-data", 0, POPT_ARG_NONE, &dumpdata, 0, "dump the hex data", NULL },
+ {"load-dso", 'l', POPT_ARG_STRING, &plugin, 0, "load from shared object file", NULL },
+ POPT_COMMON_SAMBA
POPT_AUTOHELP
POPT_TABLEEND
};
- ndrdump_init_subsystems;
-
- DEBUGLEVEL = 10;
-
- setup_logging("ndrdump", DEBUG_STDOUT);
+ dcerpc_table_init();
pc = poptGetContext("ndrdump", argc, argv, long_options, 0);
- poptSetOtherOptionHelp(pc, "<pipe> <function> <inout> <filename>");
+ poptSetOtherOptionHelp(
+ pc, "<pipe|uuid> <function> <inout> [<filename>]");
while ((opt = poptGetNextOpt(pc)) != -1) {
}
exit(1);
}
- p = find_pipe(pipe_name);
+ if (plugin != NULL) {
+ p = load_iface_from_plugin(plugin, pipe_name);
+ }
+
+ if (!p) {
+ p = idl_iface_by_name(pipe_name);
+ }
+
+ if (!p) {
+ struct GUID uuid;
+
+ status = GUID_from_string(pipe_name, &uuid);
+
+ if (NT_STATUS_IS_OK(status)) {
+ p = idl_iface_by_uuid(&uuid);
+ }
+ }
+
+ if (!p) {
+ printf("Unknown pipe or UUID '%s'\n", pipe_name);
+ exit(1);
+ }
function = poptGetArg(pc);
inout = poptGetArg(pc);
filename = poptGetArg(pc);
- if (!function || !inout || !filename) {
+ if (!function || !inout) {
poptPrintUsage(pc, stderr, 0);
show_functions(p);
exit(1);
mem_ctx = talloc_init("ndrdump");
- st = talloc_zero(mem_ctx, f->struct_size);
+ st = talloc_zero_size(mem_ctx, f->struct_size);
if (!st) {
- printf("Unable to allocate %d bytes\n", f->struct_size);
+ printf("Unable to allocate %d bytes\n", (int)f->struct_size);
+ exit(1);
+ }
+
+ v_st = talloc_zero_size(mem_ctx, f->struct_size);
+ if (!v_st) {
+ printf("Unable to allocate %d bytes\n", (int)f->struct_size);
exit(1);
}
exit(1);
}
- data = file_load(ctx_filename, &size);
+ data = (uint8_t *)file_load(ctx_filename, &size, mem_ctx);
if (!data) {
perror(ctx_filename);
exit(1);
blob.data = data;
blob.length = size;
- ndr = ndr_pull_init_blob(&blob, mem_ctx);
+ ndr_pull = ndr_pull_init_blob(&blob, mem_ctx);
+ ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
- status = f->ndr_pull(ndr, NDR_IN, st);
+ status = f->ndr_pull(ndr_pull, NDR_IN, st);
- if (ndr->offset != ndr->data_size) {
- printf("WARNING! %d unread bytes while parsing context file\n", ndr->data_size - ndr->offset);
+ if (ndr_pull->offset != ndr_pull->data_size) {
+ printf("WARNING! %d unread bytes while parsing context file\n", ndr_pull->data_size - ndr_pull->offset);
}
if (!NT_STATUS_IS_OK(status)) {
printf("pull for context file returned %s\n", nt_errstr(status));
exit(1);
}
+ memcpy(v_st, st, f->struct_size);
}
- data = file_load(filename, &size);
+ if (filename)
+ data = (uint8_t *)file_load(filename, &size, mem_ctx);
+ else
+ data = (uint8_t *)stdin_load(mem_ctx, &size);
+
if (!data) {
- perror(filename);
+ if (filename)
+ perror(filename);
+ else
+ perror("stdin");
exit(1);
}
blob.data = data;
blob.length = size;
- ndr = ndr_pull_init_blob(&blob, mem_ctx);
-
- if (flags == NDR_OUT) {
- ndr->flags |= LIBNDR_FLAG_REF_ALLOC;
- }
+ ndr_pull = ndr_pull_init_blob(&blob, mem_ctx);
+ ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
- status = f->ndr_pull(ndr, flags, st);
+ status = f->ndr_pull(ndr_pull, flags, st);
printf("pull returned %s\n", nt_errstr(status));
- if (ndr->offset != ndr->data_size) {
- printf("WARNING! %d unread bytes\n", ndr->data_size - ndr->offset);
- dump_data(0, ndr->data+ndr->offset, ndr->data_size - ndr->offset);
+ if (ndr_pull->offset != ndr_pull->data_size) {
+ printf("WARNING! %d unread bytes\n", ndr_pull->data_size - ndr_pull->offset);
+ dump_data(0, ndr_pull->data+ndr_pull->offset, ndr_pull->data_size - ndr_pull->offset);
+ }
+
+ if (dumpdata) {
+ printf("%d bytes consumed\n", ndr_pull->offset);
+ dump_data(0, blob.data, blob.length);
}
- pr = talloc_p(NULL, struct ndr_print);
- pr->print = ndr_print_debug_helper;
- pr->depth = 1;
- f->ndr_print(pr, function, flags, st);
+ ndr_print = talloc_zero(mem_ctx, struct ndr_print);
+ ndr_print->print = ndr_print_debug_helper;
+ ndr_print->depth = 1;
+ f->ndr_print(ndr_print, function, flags, st);
- if (!NT_STATUS_IS_OK(status) ||
- ndr->offset != ndr->data_size) {
+ if (!NT_STATUS_IS_OK(status)) {
printf("dump FAILED\n");
exit(1);
}
+ if (validate) {
+ DATA_BLOB v_blob;
+ struct ndr_push *ndr_v_push;
+ struct ndr_pull *ndr_v_pull;
+ struct ndr_print *ndr_v_print;
+
+ ndr_v_push = ndr_push_init_ctx(mem_ctx);
+
+ status = f->ndr_push(ndr_v_push, flags, st);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("validate push FAILED\n");
+ exit(1);
+ }
+
+ v_blob = ndr_push_blob(ndr_v_push);
+
+ if (dumpdata) {
+ printf("%ld bytes generated (validate)\n", (long)v_blob.length);
+ dump_data(0, v_blob.data, v_blob.length);
+ }
+
+ ndr_v_pull = ndr_pull_init_blob(&v_blob, mem_ctx);
+ ndr_v_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
+
+ status = f->ndr_pull(ndr_v_pull, flags, v_st);
+ if (!NT_STATUS_IS_OK(status)) {
+ printf("validate pull FAILED\n");
+ exit(1);
+ }
+
+ printf("pull returned %s\n", nt_errstr(status));
+
+ if (ndr_v_pull->offset != ndr_v_pull->data_size) {
+ printf("WARNING! %d unread bytes in validation\n", ndr_v_pull->data_size - ndr_v_pull->offset);
+ dump_data(0, ndr_v_pull->data+ndr_v_pull->offset, ndr_v_pull->data_size - ndr_v_pull->offset);
+ }
+
+ ndr_v_print = talloc_zero(mem_ctx, struct ndr_print);
+ ndr_v_print->print = ndr_print_debug_helper;
+ ndr_v_print->depth = 1;
+ f->ndr_print(ndr_v_print, function, flags, v_st);
+
+ if (blob.length != v_blob.length) {
+ printf("WARNING! orig bytes:%ld validated pushed bytes:%ld\n", (long)blob.length, (long)v_blob.length);
+ }
+
+ if (ndr_pull->offset != ndr_v_pull->offset) {
+ printf("WARNING! orig pulled bytes:%d validated pulled bytes:%d\n", ndr_pull->offset, ndr_v_pull->offset);
+ }
+ }
+
printf("dump OK\n");
- talloc_free(pr);
-
+ talloc_free(mem_ctx);
+
poptFreeContext(pc);
return 0;