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/*
Unix SMB/CIFS implementation.
simple registry frontend
Copyright (C) Jelmer Vernooij 2004
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"
static void writediff(REG_KEY *oldkey, REG_KEY *newkey, FILE *out)
{
int i;
REG_KEY *t1, *t2;
REG_VAL *v1, *v2;
WERROR error1, error2;
for(i = 0; W_ERROR_IS_OK(error1 = reg_key_get_subkey_by_index(oldkey, i, &t1)); i++) {
error2 = reg_key_get_subkey_by_name(newkey, reg_key_name(t1), &t2);
if(W_ERROR_EQUAL(error2, WERR_DEST_NOT_FOUND)) {
fprintf(out, "-%s\n", reg_key_get_path(t1)+1);
} else if(!W_ERROR_IS_OK(error2)) {
DEBUG(0, ("Error occured while getting subkey by name: %d\n", W_ERROR_V(error2)));
}
}
if(!W_ERROR_EQUAL(error1, WERR_NO_MORE_ITEMS)) {
DEBUG(0, ("Error occured while getting subkey by index: %d\n", W_ERROR_V(error1)));
return;
}
for(i = 0; W_ERROR_IS_OK(error1 = reg_key_get_subkey_by_index(newkey, i, &t1)); i++) {
error2 = reg_key_get_subkey_by_name(oldkey, reg_key_name(t1), &t2);
if(W_ERROR_EQUAL(error2, WERR_DEST_NOT_FOUND)) {
fprintf(out, "\n[%s]\n", reg_key_get_path(t1)+1);
} else if(!W_ERROR_IS_OK(error2)) {
DEBUG(0, ("Error occured while getting subkey by name: %d\n", W_ERROR_V(error2)));
}
writediff(t2, t1, out);
}
if(!W_ERROR_EQUAL(error1, WERR_NO_MORE_ITEMS)) {
DEBUG(0, ("Error occured while getting subkey by index: %d\n", W_ERROR_V(error1)));
return;
}
for(i = 0; W_ERROR_IS_OK(error1 = reg_key_get_value_by_index(newkey, i, &v1)); i++) {
error2 = reg_key_get_value_by_name(oldkey, reg_val_name(v1), &v2);
if ((W_ERROR_IS_OK(error2) && (reg_val_size(v2) != reg_val_size(v1) || memcmp(reg_val_data_blk(v1), reg_val_data_blk(v2), reg_val_size(v1))))
|| W_ERROR_EQUAL(error2, WERR_DEST_NOT_FOUND)) {
fprintf(out, "\"%s\"=%s:%s\n", reg_val_name(v1), str_regtype(reg_val_type(v1)), reg_val_data_string(v1));
}
if(!W_ERROR_IS_OK(error2) && !W_ERROR_EQUAL(error2, WERR_DEST_NOT_FOUND)) {
DEBUG(0, ("Error occured while getting value by name: %d\n", W_ERROR_V(error2)));
}
}
if(!W_ERROR_EQUAL(error1, WERR_NO_MORE_ITEMS)) {
DEBUG(0, ("Error occured while getting value by index: %d\n", W_ERROR_V(error1)));
return;
}
for(i = 0; W_ERROR_IS_OK(error1 = reg_key_get_value_by_index(oldkey, i, &v1)); i++) {
error2 = reg_key_get_value_by_name(newkey, reg_val_name(v1), &v2);
if(W_ERROR_IS_OK(error2)) {
} else if(W_ERROR_EQUAL(error2, WERR_DEST_NOT_FOUND)) {
fprintf(out, "\"%s\"=-\n", reg_val_name(v1));
} else {
DEBUG(0, ("Error occured while getting value by name: %d\n", W_ERROR_V(error2)));
}
}
if(!W_ERROR_EQUAL(error1, WERR_NO_MORE_ITEMS)) {
DEBUG(0, ("Error occured while getting value by index: %d\n", W_ERROR_V(error1)));
return;
}
}
int main(int argc, char **argv)
{
int opt;
poptContext pc;
const char *backend1 = NULL, *backend2 = NULL;
const char *location2;
const char *credentials1= NULL, *credentials2 = NULL;
char *outputfile = NULL;
FILE *fd = stdout;
REG_HANDLE *h1, *h2;
REG_KEY *root1 = NULL, *root2;
int from_null = 0;
int i;
WERROR error, error2;
struct poptOption long_options[] = {
POPT_AUTOHELP
{"backend", 'b', POPT_ARG_STRING, NULL, 'b', "backend to use", NULL},
{"credentials", 'c', POPT_ARG_STRING, NULL, 'c', "credentials", NULL},
{"output", 'o', POPT_ARG_STRING, &outputfile, 'o', "output file to use", NULL },
{"null", 'n', POPT_ARG_NONE, &from_null, 'n', "Diff from NULL" },
POPT_TABLEEND
};
pc = poptGetContext(argv[0], argc, (const char **) argv, long_options,0);
while((opt = poptGetNextOpt(pc)) != -1) {
switch(opt) {
case 'c':
if(!credentials1 && !from_null) credentials1 = poptGetOptArg(pc);
else if(!credentials2) credentials2 = poptGetOptArg(pc);
break;
case 'b':
if(!backend1 && !from_null) backend1 = poptGetOptArg(pc);
else if(!backend2) backend2 = poptGetOptArg(pc);
break;
}
}
setup_logging(argv[0], True);
if(!from_null) {
const char *location1;
location1 = poptGetArg(pc);
if(!location1) {
poptPrintUsage(pc, stderr, 0);
return 1;
}
if(!backend1) backend1 = "dir";
error = reg_open(backend1, location1, credentials1, &h1);
if(!W_ERROR_IS_OK(error)) {
fprintf(stderr, "Unable to open '%s' with backend '%s'\n", location1, backend1);
return 1;
}
}
location2 = poptGetArg(pc);
if(!location2) {
poptPrintUsage(pc, stderr, 0);
return 2;
}
if(!backend2) backend2 = "dir";
error = reg_open(backend2, location2, credentials2, &h2);
if(!W_ERROR_IS_OK(error)) {
fprintf(stderr, "Unable to open '%s' with backend '%s'\n", location2, backend2);
return 1;
}
poptFreeContext(pc);
if(outputfile) {
fd = fopen(outputfile, "w+");
if(!fd) {
fprintf(stderr, "Unable to open '%s'\n", outputfile);
return 1;
}
}
fprintf(fd, "REGEDIT4\n\n");
fprintf(fd, "; Generated using regdiff\n");
error2 = error = WERR_OK;
for(i = 0; ; i++) {
if(backend1) error = reg_get_hive(h1, i, &root1);
else root1 = NULL;
if(!W_ERROR_IS_OK(error)) break;
if(backend2) error2 = reg_get_hive(h2, i, &root2);
else root2 = NULL;
if(!W_ERROR_IS_OK(error2)) break;
writediff(root1, root2, fd);
if(!root1 && !root2) break;
}
fclose(fd);
return 0;
}
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