364 lines
7.3 KiB
C
364 lines
7.3 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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/* ugly ugly. avert your eyes. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <Ecore_File.h>
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#include "edje_decc.h"
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char *progname = NULL;
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char *file_in = NULL;
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char *file_out = NULL;
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Edje_File *edje_file = NULL;
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SrcFile_List *srcfiles = NULL;
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Font_List *fontlist = NULL;
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int line = 0;
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int decomp(void);
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void output(void);
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static int compiler_cmd_is_sane();
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static int root_filename_is_sane();
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static void
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main_help(void)
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{
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printf
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("Usage:\n"
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"\t%s input_file.edj [-main-out file.edc]\n"
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"\n"
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,progname);
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}
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Eet_File *ef;
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Eet_Dictionary *ed;
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int
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main(int argc, char **argv)
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{
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int i;
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setlocale(LC_NUMERIC, "C");
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progname = argv[0];
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for (i = 1; i < argc; i++)
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{
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if (!file_in)
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file_in = argv[i];
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else if ((!strcmp(argv[i], "-main-out")) && (i < (argc - 1)))
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{
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i++;
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file_out = argv[i];
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}
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}
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if (!file_in)
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{
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fprintf(stderr, "%s: Error: no input file specified.\n", progname);
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main_help();
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exit(-1);
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}
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edje_init();
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eet_init();
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source_edd();
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if (!decomp()) return -1;
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output();
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eet_close(ef);
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eet_shutdown();
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return 0;
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}
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int
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decomp(void)
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{
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ef = eet_open(file_in, EET_FILE_MODE_READ);
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if (!ef)
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{
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printf("ERROR: cannot open %s\n", file_in);
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return 0;
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}
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srcfiles = source_load(ef);
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if (!srcfiles || !srcfiles->list)
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{
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printf("ERROR: %s has no decompile information\n", file_in);
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eet_close(ef);
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return 0;
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}
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if (!srcfiles->list->data || !root_filename_is_sane())
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{
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printf("ERROR: Invalid root filename: '%s'\n", (char *) srcfiles->list->data);
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eet_close(ef);
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return 0;
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}
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edje_file = eet_data_read(ef, _edje_edd_edje_file, "edje_file");
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if (!edje_file)
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{
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printf("ERROR: %s does not appear to be an edje file\n", file_in);
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eet_close(ef);
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return 0;
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}
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if (!edje_file->compiler)
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{
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edje_file->compiler = strdup("edje_cc");
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}
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else if (!compiler_cmd_is_sane())
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{
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printf("ERROR: invalid compiler executable: '%s'\n", edje_file->compiler);
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eet_close(ef);
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return 0;
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}
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fontlist = source_fontmap_load(ef);
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return 1;
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}
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void
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output(void)
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{
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Evas_List *l;
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Eet_File *ef;
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char *outdir, *p;
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p = strrchr(file_in, '/');
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if (p)
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outdir = strdup(p + 1);
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else
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outdir = strdup(file_in);
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p = strrchr(outdir, '.');
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if (p) *p = 0;
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ecore_file_mkpath(outdir);
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ef = eet_open(file_in, EET_FILE_MODE_READ);
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if (edje_file->image_dir)
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{
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for (l = edje_file->image_dir->entries; l; l = l->next)
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{
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Edje_Image_Directory_Entry *ei;
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ei = l->data;
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if ((ei->source_type > EDJE_IMAGE_SOURCE_TYPE_NONE) &&
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(ei->source_type < EDJE_IMAGE_SOURCE_TYPE_LAST) &&
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(ei->source_type != EDJE_IMAGE_SOURCE_TYPE_EXTERNAL) &&
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(ei->entry))
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{
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Ecore_Evas *ee;
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Evas *evas;
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Evas_Object *im;
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char buf[4096];
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char out[4096];
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char *pp;
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ecore_init();
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ecore_evas_init();
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ee = ecore_evas_buffer_new(1, 1);
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if (!ee)
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{
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fprintf(stderr, "Error. cannot create buffer engine canvas for image save.\n");
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exit(-1);
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}
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evas = ecore_evas_get(ee);
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im = evas_object_image_add(evas);
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if (!im)
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{
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fprintf(stderr, "Error. cannot create image object for save.\n");
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exit(-1);
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}
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snprintf(buf, sizeof(buf), "images/%i", ei->id);
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evas_object_image_file_set(im, file_in, buf);
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snprintf(out, sizeof(out), "%s/%s", outdir, ei->entry);
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printf("Output Image: %s\n", out);
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pp = strdup(out);
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p = strrchr(pp, '/');
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*p = 0;
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if (strstr(pp, "../"))
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{
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printf("ERROR: potential security violation. attempt to write in parent dir.\n");
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exit(-1);
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}
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ecore_file_mkpath(pp);
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free(pp);
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if (!evas_object_image_save(im, out, NULL, "quality=100 compress=9"))
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{
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printf("ERROR: cannot write file %s. Perhaps missing JPEG or PNG saver modules for Evas.\n", out);
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exit(-1);
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}
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evas_object_del(im);
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ecore_evas_free(ee);
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ecore_evas_shutdown();
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ecore_shutdown();
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}
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}
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}
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for (l = srcfiles->list; l; l = l->next)
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{
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SrcFile *sf;
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char out[4096];
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FILE *f;
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char *pp;
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sf = l->data;
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snprintf(out, sizeof(out), "%s/%s", outdir, sf->name);
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printf("Output Source File: %s\n", out);
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pp = strdup(out);
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p = strrchr(pp, '/');
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*p = 0;
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if (strstr(pp, "../"))
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{
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printf("ERROR: potential security violation. attempt to write in parent dir.\n");
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exit (-1);
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}
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ecore_file_mkpath(pp);
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free(pp);
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if (strstr(out, "../"))
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{
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printf("ERROR: potential security violation. attempt to write in parent dir.\n");
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exit (-1);
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}
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f = fopen(out, "wb");
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if (!f)
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{
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printf("ERROR: unable to write file (%s).\n", out);
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exit (-1);
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}
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/* if the file is empty, sf->file will be NULL.
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* note that that's not an error
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*/
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if (sf->file) fputs(sf->file, f);
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fclose(f);
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}
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if (fontlist)
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{
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for (l = fontlist->list; l; l = l->next)
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{
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Font *fn;
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void *font;
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int fontsize;
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char out[4096];
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fn = l->data;
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snprintf(out, sizeof(out), "fonts/%s", fn->name);
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font = eet_read(ef, out, &fontsize);
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if (font)
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{
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FILE *f;
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char *pp;
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snprintf(out, sizeof(out), "%s/%s", outdir, fn->file);
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printf("Output Font: %s\n", out);
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pp = strdup(out);
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p = strrchr(pp, '/');
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*p = 0;
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if (strstr(pp, "../"))
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{
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printf("ERROR: potential security violation. attempt to write in parent dir.\n");
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exit (-1);
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}
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ecore_file_mkpath(pp);
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free(pp);
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if (strstr(out, "../"))
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{
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printf("ERROR: potential security violation. attempt to write in parent dir.\n");
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exit (-1);
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}
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f = fopen(out, "wb");
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fwrite(font, fontsize, 1, f);
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fclose(f);
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free(font);
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}
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}
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}
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{
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char out[4096];
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FILE *f;
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SrcFile *sf = srcfiles->list->data;
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snprintf(out, sizeof(out), "%s/build.sh", outdir);
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printf("Output Build Script: %s\n", out);
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if (strstr(out, "../"))
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{
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printf("ERROR: potential security violation. attempt to write in parent dir.\n");
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exit (-1);
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}
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f = fopen(out, "wb");
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fprintf(f, "#!/bin/sh\n");
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fprintf(f, "%s $@ -id . -fd . %s -o %s.edj\n", edje_file->compiler, sf->name, outdir);
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fclose(f);
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if (file_out)
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{
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snprintf(out, sizeof(out), "%s/%s", outdir, file_out);
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symlink(sf->name, out);
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}
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chmod(out, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP);
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printf("\n*** CAUTION ***\n"
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"Please check the build script for anything malicious "
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"before running it!\n\n");
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}
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eet_close(ef);
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}
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static int
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compiler_cmd_is_sane()
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{
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char *c = edje_file->compiler, *ptr;
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if (!c || !*c)
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{
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return 0;
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}
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for (ptr = c; ptr && *ptr; ptr++)
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{
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/* only allow [a-z][A-Z][0-9]_- */
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if (!isalnum(*ptr) && *ptr != '_' && *ptr != '-')
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{
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return 0;
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}
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}
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return 1;
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}
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static int
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root_filename_is_sane()
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{
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SrcFile *sf = srcfiles->list->data;
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char *f = sf->name, *ptr;
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if (!f || !*f)
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{
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return 0;
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}
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for (ptr = f; ptr && *ptr; ptr++)
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{
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/* only allow [a-z][A-Z][0-9]_-./ */
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switch (*ptr)
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{
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case '_': case '-': case '.': case '/':
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break;
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default:
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if (!isalnum(*ptr))
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{
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return 0;
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}
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}
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}
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return 1;
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}
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