Mercurial > dropbear
view libtomcrypt/demos/constants.c @ 1662:8a7d26e86a56
Set SSH_ORIGINAL_COMMAND for "dropbear -c" too, fix build without
DROPBEAR_SVR_PUBKEY_OPTIONS
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sat, 14 Mar 2020 23:28:18 +0800 |
parents | 6dba84798cd5 |
children | e9dba7abd939 |
line wrap: on
line source
/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. */ #include "tomcrypt.h" #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L #include <libgen.h> #else #define basename(x) x #endif /** @file demo_crypt_constants.c Demo how to get various constants to dynamic languages like Python Larry Bugbee, February 2013 */ static void _print_line(const char* cmd, const char* desc) { printf(" %-16s - %s\n", cmd, desc); } int main(int argc, char **argv) { if (argc == 1) { /* given a specific constant name, get and print its value */ char name[] = "CTR_COUNTER_BIG_ENDIAN"; int value; char *names_list; unsigned int names_list_len; if (crypt_get_constant(name, &value) != 0) exit(EXIT_FAILURE); printf("\n %s is %d \n\n", name, value); /* get and print the length of the names (and values) list */ if (crypt_list_all_constants(NULL, &names_list_len) != 0) exit(EXIT_FAILURE); printf(" need to allocate %u bytes \n\n", names_list_len); /* get and print the names (and values) list */ if ((names_list = malloc(names_list_len)) == NULL) exit(EXIT_FAILURE); if (crypt_list_all_constants(names_list, &names_list_len) != 0) exit(EXIT_FAILURE); printf(" supported constants:\n\n%s\n\n", names_list); free(names_list); } else if (argc == 2) { if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) { char* base = strdup(basename(argv[0])); printf("Usage: %s [-a] [-s name]\n\n", base); _print_line("<no argument>", "The old behavior of the demo"); _print_line("-a", "Only lists all constants"); _print_line("-s name", "List a single constant given as argument"); _print_line("-h", "The help you're looking at"); free(base); } else if (strcmp(argv[1], "-a") == 0) { char *names_list; unsigned int names_list_len; /* get and print the length of the names (and values) list */ if (crypt_list_all_constants(NULL, &names_list_len) != 0) exit(EXIT_FAILURE); /* get and print the names (and values) list */ names_list = malloc(names_list_len); if (crypt_list_all_constants(names_list, &names_list_len) != 0) exit(EXIT_FAILURE); printf("%s\n", names_list); } } else if (argc == 3) { if (strcmp(argv[1], "-s") == 0) { int value; if (crypt_get_constant(argv[2], &value) != 0) exit(EXIT_FAILURE); printf("%s,%u\n", argv[2], value); } } return 0; } /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */