diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c index 3328e746da38..f5223fb54b98 100644 --- a/programs/ssl/ssl_client2.c +++ b/programs/ssl/ssl_client2.c @@ -438,7 +438,7 @@ int main(void) " otherwise. The expansion of the macro\n" \ " is printed if it is defined\n" \ USAGE_SERIALIZATION \ - " acceptable ciphersuite names:\n" + "\n" #define ALPN_LIST_SIZE 10 #define CURVE_LIST_SIZE 20 @@ -839,34 +839,54 @@ int main(int argc, char *argv[]) opt.force_srtp_profile = DFL_SRTP_FORCE_PROFILE; opt.mki = DFL_SRTP_MKI; + p = q = NULL; if (argc < 1) { usage: - if (ret == 0) { - ret = 1; + if (p != NULL && q != NULL) { + printf("unrecognized value for '%s': '%s'\n", p, q); + } else if (p != NULL && q == NULL) { + printf("unrecognized param: '%s'\n", p); } - mbedtls_printf(USAGE1); - mbedtls_printf(USAGE2); - mbedtls_printf(USAGE3); - mbedtls_printf(USAGE4); + mbedtls_printf("usage: ssl_client2 [param=value] [...]\n"); + mbedtls_printf(" ssl_client2 help[_theme]\n"); + mbedtls_printf("'help' lists acceptable 'param' and 'value'\n"); + mbedtls_printf("'help_ciphersuites' lists available ciphersuites\n"); + mbedtls_printf("\n"); - list = mbedtls_ssl_list_ciphersuites(); - while (*list) { - mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name(*list)); - list++; - if (!*list) { - break; - } - mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list)); - list++; + if (ret == 0) { + ret = 1; } - mbedtls_printf("\n"); goto exit; } for (i = 1; i < argc; i++) { p = argv[i]; + + if (strcmp(p, "help") == 0) { + mbedtls_printf(USAGE1); + mbedtls_printf(USAGE2); + mbedtls_printf(USAGE3); + mbedtls_printf(USAGE4); + + ret = 0; + goto exit; + } + if (strcmp(p, "help_ciphersuites") == 0) { + mbedtls_printf(" acceptable ciphersuite names:\n"); + for (list = mbedtls_ssl_list_ciphersuites(); + *list != 0; + list++) { + mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list)); + } + + ret = 0; + goto exit; + } + if ((q = strchr(p, '=')) == NULL) { + mbedtls_printf("param requires a value: '%s'\n", p); + p = NULL; // avoid "unrecnognized param" message goto usage; } *q++ = '\0'; @@ -1226,9 +1246,13 @@ int main(int argc, char *argv[]) } else if (strcmp(p, "mki") == 0) { opt.mki = q; } else { + /* This signals that the problem is with p not q */ + q = NULL; goto usage; } } + /* This signals that any further errors are not with a single option */ + p = q = NULL; if (opt.nss_keylog != 0 && opt.eap_tls != 0) { mbedtls_printf("Error: eap_tls and nss_keylog options cannot be used together.\n"); diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c index ab8806727e21..19e1b5ebd8e6 100644 --- a/programs/ssl/ssl_server2.c +++ b/programs/ssl/ssl_server2.c @@ -535,7 +535,7 @@ int main(void) " otherwise. The expansion of the macro\n" \ " is printed if it is defined\n" \ USAGE_SERIALIZATION \ - " acceptable ciphersuite names:\n" + "\n" #define ALPN_LIST_SIZE 10 #define CURVE_LIST_SIZE 20 @@ -1532,34 +1532,54 @@ int main(int argc, char *argv[]) opt.force_srtp_profile = DFL_SRTP_FORCE_PROFILE; opt.support_mki = DFL_SRTP_SUPPORT_MKI; + p = q = NULL; if (argc < 1) { usage: - if (ret == 0) { - ret = 1; + if (p != NULL && q != NULL) { + printf("unrecognized value for '%s': '%s'\n", p, q); + } else if (p != NULL && q == NULL) { + printf("unrecognized param: '%s'\n", p); } - mbedtls_printf(USAGE1); - mbedtls_printf(USAGE2); - mbedtls_printf(USAGE3); - mbedtls_printf(USAGE4); + mbedtls_printf("usage: ssl_client2 [param=value] [...]\n"); + mbedtls_printf(" ssl_client2 help[_theme]\n"); + mbedtls_printf("'help' lists acceptable 'param' and 'value'\n"); + mbedtls_printf("'help_ciphersuites' lists available ciphersuites\n"); + mbedtls_printf("\n"); - list = mbedtls_ssl_list_ciphersuites(); - while (*list) { - mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name(*list)); - list++; - if (!*list) { - break; - } - mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list)); - list++; + if (ret == 0) { + ret = 1; } - mbedtls_printf("\n"); goto exit; } for (i = 1; i < argc; i++) { p = argv[i]; + + if (strcmp(p, "help") == 0) { + mbedtls_printf(USAGE1); + mbedtls_printf(USAGE2); + mbedtls_printf(USAGE3); + mbedtls_printf(USAGE4); + + ret = 0; + goto exit; + } + if (strcmp(p, "help_ciphersuites") == 0) { + mbedtls_printf(" acceptable ciphersuite names:\n"); + for (list = mbedtls_ssl_list_ciphersuites(); + *list != 0; + list++) { + mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list)); + } + + ret = 0; + goto exit; + } + if ((q = strchr(p, '=')) == NULL) { + mbedtls_printf("param requires a value: '%s'\n", p); + p = NULL; // avoid "unrecnognized param" message goto usage; } *q++ = '\0'; @@ -1949,9 +1969,13 @@ int main(int argc, char *argv[]) } else if (strcmp(p, "support_mki") == 0) { opt.support_mki = atoi(q); } else { + /* This signals that the problem is with p not q */ + q = NULL; goto usage; } } + /* This signals that any further erorrs are not with a single option */ + p = q = NULL; if (opt.nss_keylog != 0 && opt.eap_tls != 0) { mbedtls_printf("Error: eap_tls and nss_keylog options cannot be used together.\n");