X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=apps%2Fopt.c;h=902563639679fd6298dae6fbd04ae215c29e11d8;hp=63d32150cc6375010a2809b6dd57c97feb9e0d00;hb=f6d765988f37c43edb1056ab83165f2569182e9d;hpb=c3a7e0c565c5d41e7d9b910a45c2248c2f3d5152 diff --git a/apps/opt.c b/apps/opt.c index 63d32150cc..9025636396 100644 --- a/apps/opt.c +++ b/apps/opt.c @@ -1,53 +1,11 @@ -/* ==================================================================== - * Copyright (c) 2015 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" +/* + * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ - -/* #define COMPILE_STANDALONE_TEST_DRIVER */ #include "apps.h" #include #if !defined(OPENSSL_SYS_MSDOS) @@ -59,6 +17,7 @@ #include #include #include +#include #define MAX_OPT_HELP_WIDTH 30 const char OPT_HELP_STR[] = "--"; @@ -99,10 +58,10 @@ char *opt_progname(const char *argv0) n -= 4; /* Copy over the name, in lowercase. */ - if (n > sizeof prog - 1) - n = sizeof prog - 1; + if (n > sizeof(prog) - 1) + n = sizeof(prog) - 1; for (q = prog, i = 0; i < n; i++, p++) - *q++ = isupper(*p) ? tolower(*p) : *p; + *q++ = tolower((unsigned char)*p); *q = '\0'; return prog; } @@ -113,7 +72,7 @@ char *opt_progname(const char *argv0) { const char *p, *q; - /* Find last special charcter sys:[foo.bar]openssl */ + /* Find last special character sys:[foo.bar]openssl */ for (p = argv0 + strlen(argv0); --p > argv0;) if (*p == ':' || *p == ']' || *p == '>') { p++; @@ -121,9 +80,9 @@ char *opt_progname(const char *argv0) } q = strrchr(p, '.'); - strncpy(prog, p, sizeof prog - 1); - prog[sizeof prog - 1] = '\0'; - if (q != NULL && q - p < sizeof prog) + strncpy(prog, p, sizeof(prog) - 1); + prog[sizeof(prog) - 1] = '\0'; + if (q != NULL && q - p < sizeof(prog)) prog[q - p] = '\0'; return prog; } @@ -140,8 +99,8 @@ char *opt_progname(const char *argv0) p++; break; } - strncpy(prog, p, sizeof prog - 1); - prog[sizeof prog - 1] = '\0'; + strncpy(prog, p, sizeof(prog) - 1); + prog[sizeof(prog) - 1] = '\0'; return prog; } #endif @@ -179,7 +138,7 @@ char *opt_init(int ac, char **av, const OPTIONS *o) switch (i) { case 0: case '-': case '/': case '<': case '>': case 'E': case 'F': case 'M': case 'U': case 'f': case 'l': case 'n': case 'p': case 's': - case 'u': + case 'u': case 'c': break; default: assert(0); @@ -222,10 +181,10 @@ int opt_format_error(const char *s, unsigned long flags) { OPT_PAIR *ap; - if (flags == OPT_FMT_PEMDER) + if (flags == OPT_FMT_PEMDER) { BIO_printf(bio_err, "%s: Bad format \"%s\"; must be pem or der\n", prog, s); - else { + } else { BIO_printf(bio_err, "%s: Bad format \"%s\"; must be one of:\n", prog, s); for (ap = formats; ap->name; ap++) @@ -305,8 +264,9 @@ int opt_format(const char *s, unsigned long flags, int *result) if ((flags & OPT_FMT_PKCS12) == 0) return opt_format_error(s, flags); *result = FORMAT_PKCS12; - } else + } else { return 0; + } break; } return 1; @@ -316,9 +276,9 @@ int opt_format(const char *s, unsigned long flags, int *result) int opt_cipher(const char *name, const EVP_CIPHER **cipherp) { *cipherp = EVP_get_cipherbyname(name); - if (*cipherp) + if (*cipherp != NULL) return 1; - BIO_printf(bio_err, "%s: Unknown cipher %s\n", prog, name); + BIO_printf(bio_err, "%s: Unrecognized flag %s\n", prog, name); return 0; } @@ -328,9 +288,9 @@ int opt_cipher(const char *name, const EVP_CIPHER **cipherp) int opt_md(const char *name, const EVP_MD **mdp) { *mdp = EVP_get_digestbyname(name); - if (*mdp) + if (*mdp != NULL) return 1; - BIO_printf(bio_err, "%s: Unknown digest %s\n", prog, name); + BIO_printf(bio_err, "%s: Unrecognized flag %s\n", prog, name); return 0; } @@ -366,6 +326,30 @@ int opt_int(const char *value, int *result) return 1; } +static void opt_number_error(const char *v) +{ + size_t i = 0; + struct strstr_pair_st { + char *prefix; + char *name; + } b[] = { + {"0x", "a hexadecimal"}, + {"0X", "a hexadecimal"}, + {"0", "an octal"} + }; + + for (i = 0; i < OSSL_NELEM(b); i++) { + if (strncmp(v, b[i].prefix, strlen(b[i].prefix)) == 0) { + BIO_printf(bio_err, + "%s: Can't parse \"%s\" as %s number\n", + prog, v, b[i].name); + return; + } + } + BIO_printf(bio_err, "%s: Can't parse \"%s\" as a number\n", prog, v); + return; +} + /* Parse a long, put it into *result; return 0 on failure, else 1. */ int opt_long(const char *value, long *result) { @@ -379,8 +363,7 @@ int opt_long(const char *value, long *result) || endp == value || ((l == LONG_MAX || l == LONG_MIN) && errno == ERANGE) || (l == 0 && errno != 0)) { - BIO_printf(bio_err, "%s: Can't parse \"%s\" as a number\n", - prog, value); + opt_number_error(value); errno = oerrno; return 0; } @@ -405,8 +388,7 @@ int opt_imax(const char *value, intmax_t *result) || endp == value || ((m == INTMAX_MAX || m == INTMAX_MIN) && errno == ERANGE) || (m == 0 && errno != 0)) { - BIO_printf(bio_err, "%s: Can't parse \"%s\" as a number\n", - prog, value); + opt_number_error(value); errno = oerrno; return 0; } @@ -428,8 +410,7 @@ int opt_umax(const char *value, uintmax_t *result) || endp == value || (m == UINTMAX_MAX && errno == ERANGE) || (m == 0 && errno != 0)) { - BIO_printf(bio_err, "%s: Can't parse \"%s\" as a number\n", - prog, value); + opt_number_error(value); errno = oerrno; return 0; } @@ -454,8 +435,7 @@ int opt_ulong(const char *value, unsigned long *result) || endptr == value || ((l == ULONG_MAX) && errno == ERANGE) || (l == 0 && errno != 0)) { - BIO_printf(bio_err, "%s: Can't parse \"%s\" as an unsigned number\n", - prog, value); + opt_number_error(value); errno = oerrno; return 0; } @@ -615,10 +595,13 @@ int opt_verify(int opt, X509_VERIFY_PARAM *vpm) break; case OPT_V_NO_ALT_CHAINS: X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_NO_ALT_CHAINS); - break; + break; case OPT_V_NO_CHECK_TIME: X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_NO_CHECK_TIME); - break; + break; + case OPT_V_ALLOW_PROXY_CERTS: + X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_ALLOW_PROXY_CERTS); + break; } return 1; @@ -630,13 +613,17 @@ int opt_verify(int opt, X509_VERIFY_PARAM *vpm) */ int opt_next(void) { - char *p; + char *p, *estr; const OPTIONS *o; int ival; long lval; unsigned long ulval; ossl_intmax_t imval; ossl_uintmax_t umval; +#if !defined(_WIN32) + char *c; + int oerrno; +#endif /* Look at current arg; at end of the list? */ arg = NULL; @@ -693,13 +680,13 @@ int opt_next(void) /* Just a string. */ break; case '/': - if (app_isdir(arg) >= 0) + if (app_isdir(arg) > 0) break; BIO_printf(bio_err, "%s: Not a directory: %s\n", prog, arg); return -1; case '<': /* Input file. */ - if (strcmp(arg, "-") == 0 || app_access(arg, R_OK) >= 0) + if (strcmp(arg, "-") == 0 || app_access(arg, R_OK) == 0) break; BIO_printf(bio_err, "%s: Cannot open input file %s, %s\n", @@ -707,11 +694,38 @@ int opt_next(void) return -1; case '>': /* Output file. */ - if (strcmp(arg, "-") == 0 || app_access(arg, W_OK) >= 0 || errno == ENOENT) +#if !defined(_WIN32) + c = OPENSSL_strdup(arg); + if (c == NULL) { + BIO_printf(bio_err, + "%s: Memory allocation failure\n", prog); + return -1; + } + oerrno = errno; + errno = 0; + if (strcmp(arg, "-") == 0 + || (app_access(app_dirname(c), W_OK) == 0 + && app_isdir(arg) <= 0 + && (app_access(arg, W_OK) == 0 || errno == ENOENT))) { + OPENSSL_free(c); break; + } + OPENSSL_free(c); + if (errno == 0) + /* only possible if 'arg' is a directory */ + estr = "is a directory"; + else + estr = strerror(errno); + errno = oerrno; +#else + if (strcmp(arg, "-") == 0 || app_access(arg, W_OK) == 0 + || errno == ENOENT) + break; + estr = strerror(errno); +#endif BIO_printf(bio_err, "%s: Cannot open output file %s, %s\n", - prog, arg, strerror(errno)); + prog, arg, estr); return -1; case 'p': case 'n': @@ -755,10 +769,12 @@ int opt_next(void) return -1; } break; + case 'c': case 'E': case 'F': case 'f': if (opt_format(arg, + o->valtype == 'c' ? OPT_FMT_PDS : o->valtype == 'E' ? OPT_FMT_PDE : o->valtype == 'F' ? OPT_FMT_PEMDER : OPT_FMT_ANY, &ival)) @@ -874,7 +890,7 @@ void opt_help(const OPTIONS *list) i += 1 + strlen(valtype2param(o)); if (i < MAX_OPT_HELP_WIDTH && i > width) width = i; - assert(i < (int)sizeof start); + assert(i < (int)sizeof(start)); } if (standard_prolog) @@ -891,10 +907,10 @@ void opt_help(const OPTIONS *list) /* Pad out prefix */ memset(start, ' ', sizeof(start) - 1); - start[sizeof start - 1] = '\0'; + start[sizeof(start) - 1] = '\0'; if (o->name == OPT_MORE_STR) { - /* Continuation of previous line; padd and print. */ + /* Continuation of previous line; pad and print. */ start[width] = '\0'; BIO_printf(bio_err, "%s %s\n", start, help); continue; @@ -922,90 +938,3 @@ void opt_help(const OPTIONS *list) BIO_printf(bio_err, "%s %s\n", start, help); } } - -#ifdef COMPILE_STANDALONE_TEST_DRIVER -# include - -typedef enum OPTION_choice { - OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, - OPT_IN, OPT_INFORM, OPT_OUT, OPT_COUNT, OPT_U, OPT_FLAG, - OPT_STR, OPT_NOTUSED -} OPTION_CHOICE; - -static OPTIONS options[] = { - {OPT_HELP_STR, 1, '-', "Usage: %s flags\n"}, - {OPT_HELP_STR, 1, '-', "Valid options are:\n"}, - {"help", OPT_HELP, '-', "Display this summary"}, - {"in", OPT_IN, '<', "input file"}, - {OPT_MORE_STR, 1, '-', "more detail about input"}, - {"inform", OPT_INFORM, 'f', "input file format; defaults to pem"}, - {"out", OPT_OUT, '>', "output file"}, - {"count", OPT_COUNT, 'p', "a counter greater than zero"}, - {"u", OPT_U, 'u', "an unsigned number"}, - {"flag", OPT_FLAG, 0, "just some flag"}, - {"str", OPT_STR, 's', "the magic word"}, - {"areallyverylongoption", OPT_HELP, '-', "long way for help"}, - {NULL} -}; - -BIO *bio_err; - -int app_isdir(const char *name) -{ - struct stat sb; - - return name != NULL && stat(name, &sb) >= 0 && S_ISDIR(sb.st_mode); -} - -int main(int ac, char **av) -{ - OPTION_CHOICE o; - char **rest; - char *prog; - - bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT); - - prog = opt_init(ac, av, options); - while ((o = opt_next()) != OPT_EOF) { - switch (c) { - case OPT_NOTUSED: - case OPT_EOF: - case OPT_ERR: - printf("%s: Usage error; try -help.\n", prog); - return 1; - case OPT_HELP: - opt_help(options); - return 0; - case OPT_IN: - printf("in %s\n", opt_arg()); - break; - case OPT_INFORM: - printf("inform %s\n", opt_arg()); - break; - case OPT_OUT: - printf("out %s\n", opt_arg()); - break; - case OPT_COUNT: - printf("count %s\n", opt_arg()); - break; - case OPT_U: - printf("u %s\n", opt_arg()); - break; - case OPT_FLAG: - printf("flag\n"); - break; - case OPT_STR: - printf("str %s\n", opt_arg()); - break; - } - } - argc = opt_num_rest(); - argv = opt_rest(); - - printf("args = %d\n", argc); - if (argc) - while (*argv) - printf(" %s\n", *argv++); - return 0; -} -#endif