#include #include #include #include #include #include #include #include #include #include #include #include char *progname = NULL; extern char *optarg; static void usage(char *progname) { printf("usage: %s ppfile modfile [fcfile]\n", progname); exit(1); } static int file_to_policy_file(char *filename, struct sepol_policy_file **pf, char *mode) { FILE *f; if (sepol_policy_file_create(pf)) { fprintf(stderr, "%s: Out of memory\n", progname); return -1; } f = fopen(filename, mode); if (!f) { fprintf(stderr, "%s: Could not open file %s: %s\n", progname, strerror(errno), filename); return -1; } sepol_policy_file_set_fp(*pf, f); return 0; } int main(int argc, char **argv) { struct sepol_module_package *pkg; struct sepol_policy_file *in, *out; FILE *fp; size_t len; char *ppfile, *modfile, *fcfile = NULL, *fcdata; progname = argv[0]; if (argc < 3) { usage(progname); exit(1); } ppfile = argv[1]; modfile = argv[2]; if (argc >= 3) fcfile = argv[3]; if (file_to_policy_file(ppfile, &in, "r")) exit(1); if (sepol_module_package_create(&pkg)) { fprintf(stderr, "%s: Out of memory\n", progname); exit(1); } if (sepol_module_package_read(pkg, in, 0) == -1) { fprintf(stderr, "%s: Error while reading policy module from %s\n", progname, ppfile); exit(1); } if (file_to_policy_file(modfile, &out, "w")) exit(1); if (sepol_policydb_write(sepol_module_package_get_policy(pkg), out)) { fprintf(stderr, "%s: Error while writing module to %s\n", progname, modfile); exit(1); } sepol_policy_file_free(in); sepol_policy_file_free(out); len = sepol_module_package_get_file_contexts_len(pkg); if (fcfile && len) { fp = fopen(fcfile, "w"); if (!fp) { fprintf(stderr, "%s: Could not open file %s: %s\n", progname, strerror(errno), fcfile); exit(1); } fcdata = sepol_module_package_get_file_contexts(pkg); if (fwrite(fcdata, 1, len, fp) != len) { fprintf(stderr, "%s: Could not write file %s: %s\n", progname, strerror(errno), fcfile); exit(1); } fclose(fp); } sepol_module_package_free(pkg); exit(0); }