blob: 677e43218e6e242a04d5e73af3e7b2443a3c2de9 [file] [log] [blame]
/*
* plistutil.c
* Simple tool to convert a plist into different formats
*
* Copyright (c) 2009-2020 Martin Szulecki All Rights Reserved.
* Copyright (c) 2013-2020 Nikias Bassen, All Rights Reserved.
* Copyright (c) 2008 Zach C., All Rights Reserved.
*
* 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 2.1 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
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "plist/plist.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <errno.h>
#include <unistd.h>
#ifdef _MSC_VER
#pragma warning(disable:4996)
#endif
typedef struct _options
{
char *in_file, *out_file;
uint8_t debug, in_fmt, out_fmt; // fmts 0 = undef, 1 = bin, 2 = xml, 3 = json
} options_t;
static void print_usage(int argc, char *argv[])
{
char *name = NULL;
name = strrchr(argv[0], '/');
printf("Usage: %s [OPTIONS] [-i FILE] [-o FILE]\n", (name ? name + 1: argv[0]));
printf("\n");
printf("Convert a plist FILE between binary, XML, and JSON format.\n");
printf("If -f is omitted, XML plist data will be converted to binary and vice-versa.\n");
printf("To convert to/from JSON the output format needs to be specified.\n");
printf("\n");
printf("OPTIONS:\n");
printf(" -i, --infile FILE Optional FILE to convert from or stdin if - or not used\n");
printf(" -o, --outfile FILE Optional FILE to convert to or stdout if - or not used\n");
printf(" -f, --format FORMAT Force output format, regardless of input type\n");
printf(" FORMAT is one of xml, bin, or json\n");
printf(" If omitted XML will be converted to binary,\n");
printf(" and binary to XML.\n");
printf(" -d, --debug Enable extended debug output\n");
printf(" -v, --version Print version information\n");
printf("\n");
printf("Homepage: <" PACKAGE_URL ">\n");
printf("Bug Reports: <" PACKAGE_BUGREPORT ">\n");
}
static options_t *parse_arguments(int argc, char *argv[])
{
int i = 0;
options_t *options = (options_t*)calloc(1, sizeof(options_t));
options->out_fmt = 0;
for (i = 1; i < argc; i++)
{
if (!strcmp(argv[i], "--infile") || !strcmp(argv[i], "-i"))
{
if ((i + 1) == argc)
{
free(options);
return NULL;
}
options->in_file = argv[i + 1];
i++;
continue;
}
else if (!strcmp(argv[i], "--outfile") || !strcmp(argv[i], "-o"))
{
if ((i + 1) == argc)
{
free(options);
return NULL;
}
options->out_file = argv[i + 1];
i++;
continue;
}
else if (!strcmp(argv[i], "--format") || !strcmp(argv[i], "-f"))
{
if ((i + 1) == argc)
{
free(options);
return NULL;
}
if (!strncmp(argv[i+1], "bin", 3)) {
options->out_fmt = 1;
} else if (!strncmp(argv[i+1], "xml", 3)) {
options->out_fmt = 2;
} else if (!strncmp(argv[i+1], "json", 4)) {
options->out_fmt = 3;
} else {
fprintf(stderr, "ERROR: Unsupported output format\n");
free(options);
return NULL;
}
i++;
continue;
}
else if (!strcmp(argv[i], "--debug") || !strcmp(argv[i], "-d"))
{
options->debug = 1;
}
else if (!strcmp(argv[i], "--help") || !strcmp(argv[i], "-h"))
{
free(options);
return NULL;
}
else if (!strcmp(argv[i], "--version") || !strcmp(argv[i], "-v"))
{
printf("plistutil %s\n", PACKAGE_VERSION);
exit(EXIT_SUCCESS);
}
else
{
fprintf(stderr, "ERROR: Invalid option '%s'\n", argv[i]);
free(options);
return NULL;
}
}
return options;
}
int main(int argc, char *argv[])
{
int ret = 0;
int input_res = PLIST_ERR_UNKNOWN;
int output_res = PLIST_ERR_UNKNOWN;
FILE *iplist = NULL;
plist_t root_node = NULL;
char *plist_out = NULL;
uint32_t size = 0;
int read_size = 0;
int read_capacity = 4096;
char *plist_entire = NULL;
struct stat filestats;
options_t *options = parse_arguments(argc, argv);
if (!options)
{
print_usage(argc, argv);
return 0;
}
if (!options->in_file || !strcmp(options->in_file, "-"))
{
read_size = 0;
plist_entire = malloc(sizeof(char) * read_capacity);
if(plist_entire == NULL)
{
fprintf(stderr, "ERROR: Failed to allocate buffer to read from stdin");
free(options);
return 1;
}
plist_entire[read_size] = '\0';
char ch;
while(read(STDIN_FILENO, &ch, 1) > 0)
{
if (read_size >= read_capacity) {
char *old = plist_entire;
read_capacity += 4096;
plist_entire = realloc(plist_entire, sizeof(char) * read_capacity);
if (plist_entire == NULL)
{
fprintf(stderr, "ERROR: Failed to reallocate stdin buffer\n");
free(old);
free(options);
return 1;
}
}
plist_entire[read_size] = ch;
read_size++;
}
if (read_size >= read_capacity) {
char *old = plist_entire;
plist_entire = realloc(plist_entire, sizeof(char) * (read_capacity+1));
if (plist_entire == NULL)
{
fprintf(stderr, "ERROR: Failed to reallocate stdin buffer\n");
free(old);
free(options);
return 1;
}
}
plist_entire[read_size] = '\0';
// Not positive we need this, but it doesnt seem to hurt lol
if(ferror(stdin))
{
fprintf(stderr, "ERROR: reading from stdin.\n");
free(plist_entire);
free(options);
return 1;
}
if (read_size < 8) {
fprintf(stderr, "ERROR: Input file is too small to contain valid plist data.\n");
free(plist_entire);
free(options);
return 1;
}
}
else
{
// read input file
iplist = fopen(options->in_file, "rb");
if (!iplist) {
fprintf(stderr, "ERROR: Could not open input file '%s': %s\n", options->in_file, strerror(errno));
free(options);
return 1;
}
memset(&filestats, '\0', sizeof(struct stat));
fstat(fileno(iplist), &filestats);
if (filestats.st_size < 8) {
fprintf(stderr, "ERROR: Input file is too small to contain valid plist data.\n");
free(options);
fclose(iplist);
return -1;
}
plist_entire = (char *) malloc(sizeof(char) * (filestats.st_size + 1));
read_size = fread(plist_entire, sizeof(char), filestats.st_size, iplist);
plist_entire[read_size] = '\0';
fclose(iplist);
}
if (options->out_fmt == 0) {
// convert from binary to xml or vice-versa
if (plist_is_binary(plist_entire, read_size))
{
input_res = plist_from_bin(plist_entire, read_size, &root_node);
if (input_res == PLIST_ERR_SUCCESS) {
output_res = plist_to_xml(root_node, &plist_out, &size);
}
}
else
{
input_res = plist_from_xml(plist_entire, read_size, &root_node);
if (input_res == PLIST_ERR_SUCCESS) {
output_res = plist_to_bin(root_node, &plist_out, &size);
}
}
}
else
{
input_res = plist_from_memory(plist_entire, read_size, &root_node);
if (input_res == PLIST_ERR_SUCCESS) {
if (options->out_fmt == 1) {
output_res = plist_to_bin(root_node, &plist_out, &size);
} else if (options->out_fmt == 2) {
output_res = plist_to_xml(root_node, &plist_out, &size);
} else if (options->out_fmt == 3) {
output_res = plist_to_json(root_node, &plist_out, &size, 0);
}
}
}
plist_free(root_node);
free(plist_entire);
if (plist_out)
{
if (options->out_file != NULL && strcmp(options->out_file, "-") != 0)
{
FILE *oplist = fopen(options->out_file, "wb");
if (!oplist) {
fprintf(stderr, "ERROR: Could not open output file '%s': %s\n", options->out_file, strerror(errno));
free(options);
return 1;
}
fwrite(plist_out, size, sizeof(char), oplist);
fclose(oplist);
}
// if no output file specified, write to stdout
else
fwrite(plist_out, size, sizeof(char), stdout);
free(plist_out);
}
if (input_res == PLIST_ERR_SUCCESS) {
switch (output_res) {
case PLIST_ERR_SUCCESS:
break;
case PLIST_ERR_FORMAT:
fprintf(stderr, "ERROR: Input plist data is not compatible with output format.\n");
ret = 2;
break;
default:
fprintf(stderr, "ERROR: Failed to convert plist data (%d)\n", output_res);
ret = 1;
}
} else {
fprintf(stderr, "ERROR: Could not parse plist data (%d)\n", input_res);
ret = 1;
}
free(options);
return ret;
}