/* zxencdectest.c - Test XML encoding and decoding using zx generated code * Copyright (c) 2006-2007 Symlabs (symlabs@symlabs.com), All Rights Reserved. * Author: Sampo Kellomaki (sampo@iki.fi) * This is confidential unpublished proprietary source code of the author. * NO WARRANTY, not even implied warranties. Contains trade secrets. * Distribution prohibited unless authorized in writing. * Licensed under Apache License 2.0, see file COPYING. * $Id: zxencdectest.c,v 1.4 2007-10-01 05:03:40 sampo Exp $ * * 1.7.2006, started --Sampo * 9.2.2007, improved to make basis of a test suite tool --Sampo * * Test encoding and decoding SAML 2.0 assertions and other related stuff. */ #include #include #include #include #include #include #include #include #include #include #include #include #include "errmac.h" #include "zx.h" #include "zxid.h" #include "c/zxidvers.h" #include "c/zx-data.h" #include "c/zx-const.h" #include "c/zx-ns.h" int read_all_fd(int fd, char* p, int want, int* got_all); int write_all_fd(int fd, char* p, int pending); CU8* help = "zxencdectest - ZX encoding and decoding tester - R" ZXID_REL "\n\ Copyright (c) 2006-2007 Symlabs (symlabs@symlabs.com), All Rights Reserved.\n\ Author: Sampo Kellomaki (sampo@iki.fi)\n\ NO WARRANTY, not even implied warranties. Licensed under Apache License v2.0\n\ See http://www.apache.org/licenses/LICENSE-2.0\n\ Send well researched bug reports to the author. Home: zxid.org\n\ \n\ Usage: zxencdectest [options] reencoded-foo.xml\n\ -n N Number of iterations to benchmark (default 1).\n\ -t SECONDS Timeout. Default: 0=no timeout.\n\ -c CIPHER Enable crypto on DTS interface using specified cipher. Use '?' for list.\n\ -k FDNUMBER File descriptor for reading symmetric key. Use 0 for stdin.\n\ -egd PATH Specify path of Entropy Gathering Daemon socket, default on\n\ Solaris: /tmp/entropy. On Linux /dev/urandom is used instead\n\ See http://www.lothar.com/tech/crypto/ or\n\ http://www.aet.tu-cottbus.de/personen/jaenicke/postfix_tls/prngd.html\n\ -rand PATH Location of random number seed file. On Solaris EGD is used.\n\ On Linux the default is /dev/urandom. See RFC1750.\n\ -v Verbose messages.\n\ -q Be extra quiet.\n\ -d Turn on debugging.\n\ -license Show licensing and NO WARRANTY details.\n\ -h This help message\n\ -- End of options\n"; #define DIE(reason) MB fprintf(stderr, "%s\n", reason); exit(2); ME char* instance = "zxencdectest"; /* how this server is identified in logs */ int afr_buf_size = 0; int verbose = 1; extern int debug; int debugpoll = 0; int timeout = 0; int gcthreshold = 0; int leak_free = 0; extern int assert_nonfatal; int drop_uid = 0; int drop_gid = 0; char* rand_path; char* egd_path; char symmetric_key[1024]; int symmetric_key_len; int n_iter = 1; /* Called by: main x4 */ void opt(int* argc, char*** argv, char*** env) { if (*argc <= 1) goto argerr; while (1) { ++(*argv); --(*argc); if (!(*argc) || ((*argv)[0][0] != '-')) break; /* probably the remote host and port */ switch ((*argv)[0][1]) { case '-': if ((*argv)[0][2]) break; ++(*argv); --(*argc); DD("End of options by --"); return; /* -- ends the options */ case 'n': if ((*argv)[0][2]) break; ++(*argv); --(*argc); if (!(*argc)) break; n_iter = atoi((*argv)[0]); continue; case 't': if ((*argv)[0][2]) break; ++(*argv); --(*argc); if (!(*argc)) break; timeout = atoi((*argv)[0]); continue; case 'd': switch ((*argv)[0][2]) { case '\0': ++debug; continue; case 'p': if ((*argv)[0][3]) break; ++debugpoll; continue; case 'i': if ((*argv)[0][3]) break; ++(*argv); --(*argc); if (!(*argc)) break; instance = (*argv)[0]; continue; } break; case 'v': switch ((*argv)[0][2]) { case '\0': ++verbose; continue; } break; case 'q': switch ((*argv)[0][2]) { case '\0': verbose = 0; continue; } break; case 'e': switch ((*argv)[0][2]) { case 'g': if ((*argv)[0][3] != 'd' || (*argv)[0][4]) break; ++(*argv); --(*argc); if (!(*argc)) break; egd_path = (*argv)[0]; continue; } break; case 'r': switch ((*argv)[0][2]) { case 'f': /*AFR_TS(LEAK, 0, "memory leaks enabled");*/ #if 1 ERR("*** WARNING: You have turned memory frees to memory leaks. We will (eventually) run out of memory. Using -rf is not recommended. %d\n", 0); #endif ++leak_free; continue; #if 0 case 'e': if ((*argv)[0][3]) break; ++(*argv); --(*argc); if ((*argc) < 4) break; sscanf((*argv)[0], "%i", &abort_funcno); ++(*argv); --(*argc); sscanf((*argv)[0], "%i", &abort_line); ++(*argv); --(*argc); sscanf((*argv)[0], "%i", &abort_error_code); ++(*argv); --(*argc); sscanf((*argv)[0], "%i", &abort_iter); fprintf(stderr, "Will force core upon %x:%x err=%d iter=%d\n", abort_funcno, abort_line, abort_error_code, abort_iter); continue; #endif case 'g': if ((*argv)[0][3]) break; ++(*argv); --(*argc); if (!(*argc)) break; gcthreshold = atoi((*argv)[0]); if (!gcthreshold) ERR("*** WARNING: You have disabled garbage collection. This may lead to increased memory consumption for scripts that handle a lot of PDUs or run for long time. Using `-rg 0' is not recommended. %d\n", 0); continue; case 'a': if ((*argv)[0][3] == 0) { /*AFR_TS(ASSERT_NONFATAL, 0, "assert nonfatal enabled");*/ #if 1 ERR("*** WARNING: YOU HAVE TURNED ASSERTS OFF USING -ra FLAG. THIS MEANS THAT YOU WILL NOT BE ABLE TO OBTAIN ANY SUPPORT. IF PROGRAM NOW TRIES TO ASSERT IT MAY MYSTERIOUSLY AND UNPREDICTABLY CRASH INSTEAD, AND NOBODY WILL BE ABLE TO FIGURE OUT WHAT WENT WRONG OR HOW MUCH DAMAGE MAY BE DONE. USING -ra IS NOT RECOMMENDED. %d\n", assert_nonfatal); #endif ++assert_nonfatal; continue; } if (!strcmp((*argv)[0],"-rand")) { ++(*argv); --(*argc); if (!(*argc)) break; rand_path = (*argv)[0]; continue; } break; } break; case 'k': switch ((*argv)[0][2]) { case '\0': ++(*argv); --(*argc); if (!(*argc)) break; read_all_fd(atoi((*argv)[0]), symmetric_key, sizeof(symmetric_key), &symmetric_key_len); D("Got %d characters of symmetric key", symmetric_key_len); continue; } break; case 'c': if ((*argv)[0][2]) break; ++(*argv); --(*argc); if (!(*argc)) break; #ifndef ENCRYPTION ERR("Encryption not compiled in. %d",0); #endif continue; case 'u': switch ((*argv)[0][2]) { case 'i': if ((*argv)[0][3] != 'd' || (*argv)[0][4]) break; ++(*argv); --(*argc); if (!(*argc)) break; sscanf((*argv)[0], "%i:%i", &drop_uid, &drop_gid); continue; } break; case 'l': switch ((*argv)[0][2]) { case 'i': if (!strcmp((*argv)[0],"-license")) { extern char* license; fprintf(stderr, license); exit(0); } break; } break; } /* fall thru means unrecognized flag */ if (*argc) fprintf(stderr, "Unrecognized flag `%s'\n", (*argv)[0]); argerr: fprintf(stderr, help); exit(3); } } /* ============== M A I N ============== */ /* Called by: */ int main(int argc, char** argv, char** env) { struct zx_ctx ctx; struct zx_root_s* r; int got_all, len_so, len_wo; char buf[256*1024]; char out[256*1024]; char* p; char wo_out[256*1024]; char* wo_p; opt(&argc, &argv, &env); len_so = read_all_fd(0, buf, sizeof(buf)-1, &got_all); if (got_all <= 0) DIE("Missing data"); buf[got_all] = 0; D("Decoding %d chars, n_iter(%d)\n", got_all, n_iter); for (; n_iter; --n_iter) { memset(&ctx, 0, sizeof(ctx)); zx_prepare_dec_ctx(&ctx, zx_ns_tab, buf, buf + got_all); r = zx_DEC_root(&ctx, 0, 1000); if (!r) DIE("Decode failure"); len_so = zx_LEN_SO_root(&ctx, r); D("Enc so len %d chars", len_so); ctx.base = out; p = zx_ENC_SO_root(&ctx, r, out); if (!p) DIE("encoding error"); len_wo = zx_LEN_WO_root(&ctx, r); D("Enc wo len %d chars", len_wo); ctx.base = wo_out; wo_p = zx_ENC_WO_root(&ctx, r, wo_out); if (!wo_p) DIE("encoding error"); zx_FREE_root(&ctx, r, 0); } printf("\nRe-encoded result SO:\n%.*s\n\n", len_so, out); if (p - out != len_so) D("so encode length mismatch %d vs. %d (len)", p - out, len_so); printf("Re-encoded result WO:\n%.*s\n\n", len_wo, wo_out); if (wo_p - wo_out != len_wo) D("wo encode length mismatch %d vs %d (len)", wo_p - wo_out, len_wo); if (memcmp(out, wo_out, MIN(len_so, len_wo))) printf("SO and WO differ.\n"); return 0; } /* EOF -- zxencdectest.c */