/* * Copyright (c) 2006, 2023 Proofpoint, Inc. and its suppliers. * All rights reserved. * * By using this file, you agree to the terms and conditions set * forth in the LICENSE file which can be found at the top level of * the sendmail distribution. */ #include SM_IDSTR(id, "@(#)$Id: t-qic.c,v 1.10 2013-11-22 20:51:43 ca Exp $") #include #include #include #include #include #include extern bool SmTestVerbose; void show_diff(s1, s2) const char *s1; const char *s2; { int i; for (i = 0; s1[i] != '\0' && s2[i] != '\0'; i++) { if (s1[i] != s2[i]) { fprintf(stderr, "i=%d, s1[]=%u, s2[]=%u\n", i, (unsigned char) s1[i], (unsigned char) s2[i]); return; } } if (s1[i] != s2[i]) { fprintf(stderr, "i=%d, s1[]=%u, s2[]=%u\n", i, (unsigned char) s1[i], (unsigned char) s2[i]); } } char *quote_unquote __P((char *, char *, int, int, int)); char * quote_unquote(in, out, outlen, exp, mode) char *in; char *out; int outlen; int exp; int mode; { char *obp, *bp; char line_back[1024]; char line_in[1024]; int cmp; sm_strlcpy(line_in, in, sizeof(line_in)); obp = quote_internal_chars(in, out, &outlen, NULL); bp = str2prt(line_in); if (0 == mode) dequote_internal_chars(obp, line_back, sizeof(line_back)); else if (1 == mode) dequote_internal_chars(obp, line_back, strlen(obp)); else if (2 == mode) dequote_internal_chars(obp, line_back, strlen(obp) + 1); cmp = strcmp(line_in, line_back); SM_TEST(exp == cmp); if (cmp != exp && !SmTestVerbose) { fprintf(stderr, "in: %s\n", bp); bp = str2prt(line_back); fprintf(stderr, "out:%s\n", bp); fprintf(stderr, "cmp=%d\n", cmp); show_diff(in, line_back); } if (SmTestVerbose) { fprintf(stderr, "%s -> ", bp); bp = str2prt(obp); fprintf(stderr, "%s\n", bp); fprintf(stderr, "cmp=%d\n", cmp); } return obp; } struct sm_qic_S { char *qic_in; char *qic_out; int qic_exp; }; typedef struct sm_qic_S sm_qic_T; int main(argc, argv) int argc; char *argv[]; { char line_in[1024], line[256], line_out[32], *obp; int i, los, cmp, mode; sm_qic_T inout[] = { { "", "", 0 } , { "\t", "\t", 0 } , { "\tuser", "\tuser", 0 } , { "abcdef", "abcdef", 0 } , { "01234567890123456789", "01234567890123456789", 0 } , { "\\", "\\", 0 } , { "\\A", "\\A", 0 } , { "01234567890123456789\001", "01234567890123456789\001", 0 } , { "012345\2067890123456789", "012345\377\2067890123456789", 0 } , { "\377", "\377\377", 0 } , { "\240", "\240", 0 } , { "\220", "\377\220", 0 } , { "\240\220", "\240\377\220", 0 } , { "\377\377", "\377\377\377\377", 0 } , { "\377a\377b", "\377\377a\377\377b", 0 } , { "\376a\377b", "\376a\377\377b", 0 } , { "\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240", "\377\200\377\201\377\202\377\203\377\204\377\205\377\206\377\207\377\210\377\211\377\212\377\213\377\214\377\215\377\216\377\217\377\220\377\221\377\222\377\223\377\224\377\225\377\226\377\227\377\230\377\231\377\232\377\233\377\234\377\235\377\236\377\237\240", 0 } , { NULL, NULL, 0 } }; sm_test_begin(argc, argv, "test meta quoting"); mode = 0; if (argc > 1) mode = atoi(argv[1]); for (i = 0; i < sizeof(line_out); i++) line_out[i] = '\0'; for (i = 0; i < sizeof(line_in); i++) line_in[i] = '\0'; for (i = 0; i < sizeof(line_in) / 2; i++) { char ch; ch = 0200 + i; if ('\0' == ch) ch = '0'; line_in[i] = ch; } los = sizeof(line_out) / 2; obp = quote_unquote(line_in, line_out, los, 0, mode); if (obp != line_out) SM_FREE(obp); for (i = 0; i < sizeof(line_in); i++) line_in[i] = '\0'; for (i = 0; i < sizeof(line_in) / 2; i++) { char ch; ch = 0200 + i; if ('\0' == ch) ch = '0'; line_in[i] = ch; } los = sizeof(line_in); obp = quote_unquote(line_in, line_in, los, 0, mode); if (obp != line_in) SM_FREE(obp); for (i = 0; inout[i].qic_in != NULL; i++) { los = sizeof(line_out) / 2; obp = quote_unquote(inout[i].qic_in, line_out, los, inout[i].qic_exp, mode); cmp = strcmp(inout[i].qic_out, obp); SM_TEST(inout[i].qic_exp == cmp); if (inout[i].qic_exp != cmp && !SmTestVerbose) { char *bp; bp = str2prt(obp); fprintf(stderr, "got: %s\n", bp); bp = str2prt(inout[i].qic_out); fprintf(stderr, "exp:%s\n", bp); fprintf(stderr, "cmp=%d\n", cmp); show_diff(inout[i].qic_in, inout[i].qic_out); } if (obp != line_out) SM_FREE(obp); } /* use same buffer for in and out */ for (i = 0; inout[i].qic_in != NULL; i++) { bool same; same = strcmp(inout[i].qic_in, inout[i].qic_out) == 0; los = sm_strlcpy(line, inout[i].qic_in, sizeof(line)); SM_TEST(los + 1 < sizeof(line)); ++los; obp = quote_unquote(line, line, los, inout[i].qic_exp, mode); cmp = strcmp(inout[i].qic_out, obp); SM_TEST(inout[i].qic_exp == cmp); if (inout[i].qic_exp != cmp && !SmTestVerbose) { char *bp; bp = str2prt(obp); fprintf(stderr, "got: %s\n", bp); bp = str2prt(inout[i].qic_out); fprintf(stderr, "exp:%s\n", bp); fprintf(stderr, "cmp=%d\n", cmp); show_diff(inout[i].qic_in, inout[i].qic_out); } if (obp != line) { SM_TEST(!same); if (same) show_diff(obp, inout[i].qic_out); SM_FREE(obp); } } /* use NULL buffer for out */ for (i = 0; inout[i].qic_in != NULL; i++) { los = 0; obp = quote_unquote(inout[i].qic_in, NULL, los, inout[i].qic_exp, mode); SM_TEST(obp != NULL); cmp = strcmp(inout[i].qic_out, obp); SM_TEST(inout[i].qic_exp == cmp); if (inout[i].qic_exp != cmp && !SmTestVerbose) { char *bp; bp = str2prt(obp); fprintf(stderr, "got: %s\n", bp); bp = str2prt(inout[i].qic_out); fprintf(stderr, "exp:%s\n", bp); fprintf(stderr, "cmp=%d\n", cmp); show_diff(inout[i].qic_in, inout[i].qic_out); } } los = -1; obp = quote_internal_chars(NULL, NULL, &los, NULL); SM_TEST(NULL == obp); SM_TEST(-1 == los); sm_strlcpy(line_in, "nothing", sizeof(line_in)); los = -123; obp = quote_internal_chars(line_in, NULL, &los, NULL); SM_TEST(NULL != obp); SM_TEST(los > 0); return sm_test_end(); }