|  | /*************************************************************************** | 
|  | *                                  _   _ ____  _ | 
|  | *  Project                     ___| | | |  _ \| | | 
|  | *                             / __| | | | |_) | | | 
|  | *                            | (__| |_| |  _ <| |___ | 
|  | *                             \___|\___/|_| \_\_____| | 
|  | * | 
|  | * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al. | 
|  | * | 
|  | * This software is licensed as described in the file COPYING, which | 
|  | * you should have received as part of this distribution. The terms | 
|  | * are also available at https://curl.se/docs/copyright.html. | 
|  | * | 
|  | * You may opt to use, copy, modify, merge, publish, distribute and/or sell | 
|  | * copies of the Software, and permit persons to whom the Software is | 
|  | * furnished to do so, under the terms of the COPYING file. | 
|  | * | 
|  | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | 
|  | * KIND, either express or implied. | 
|  | * | 
|  | * SPDX-License-Identifier: curl | 
|  | * | 
|  | ***************************************************************************/ | 
|  | #include "tool_setup.h" | 
|  | #define ENABLE_CURLX_PRINTF | 
|  | /* use our own printf() functions */ | 
|  | #include "curlx.h" | 
|  |  | 
|  | #include "tool_panykey.h" | 
|  | #include "tool_help.h" | 
|  | #include "tool_libinfo.h" | 
|  | #include "tool_util.h" | 
|  | #include "tool_version.h" | 
|  |  | 
|  | #include "memdebug.h" /* keep this as LAST include */ | 
|  |  | 
|  | #ifdef MSDOS | 
|  | #  define USE_WATT32 | 
|  | #endif | 
|  |  | 
|  | struct category_descriptors { | 
|  | const char *opt; | 
|  | const char *desc; | 
|  | curlhelp_t category; | 
|  | }; | 
|  |  | 
|  | static const struct category_descriptors categories[] = { | 
|  | {"auth", "Different types of authentication methods", CURLHELP_AUTH}, | 
|  | {"connection", "Low level networking operations", | 
|  | CURLHELP_CONNECTION}, | 
|  | {"curl", "The command line tool itself", CURLHELP_CURL}, | 
|  | {"dns", "General DNS options", CURLHELP_DNS}, | 
|  | {"file", "FILE protocol options", CURLHELP_FILE}, | 
|  | {"ftp", "FTP protocol options", CURLHELP_FTP}, | 
|  | {"http", "HTTP and HTTPS protocol options", CURLHELP_HTTP}, | 
|  | {"imap", "IMAP protocol options", CURLHELP_IMAP}, | 
|  | /* important is left out because it is the default help page */ | 
|  | {"misc", "Options that don't fit into any other category", CURLHELP_MISC}, | 
|  | {"output", "Filesystem output", CURLHELP_OUTPUT}, | 
|  | {"pop3", "POP3 protocol options", CURLHELP_POP3}, | 
|  | {"post", "HTTP Post specific options", CURLHELP_POST}, | 
|  | {"proxy", "All options related to proxies", CURLHELP_PROXY}, | 
|  | {"scp", "SCP protocol options", CURLHELP_SCP}, | 
|  | {"sftp", "SFTP protocol options", CURLHELP_SFTP}, | 
|  | {"smtp", "SMTP protocol options", CURLHELP_SMTP}, | 
|  | {"ssh", "SSH protocol options", CURLHELP_SSH}, | 
|  | {"telnet", "TELNET protocol options", CURLHELP_TELNET}, | 
|  | {"tftp", "TFTP protocol options", CURLHELP_TFTP}, | 
|  | {"tls", "All TLS/SSL related options", CURLHELP_TLS}, | 
|  | {"upload", "All options for uploads", | 
|  | CURLHELP_UPLOAD}, | 
|  | {"verbose", "Options related to any kind of command line output of curl", | 
|  | CURLHELP_VERBOSE}, | 
|  | {NULL, NULL, CURLHELP_HIDDEN} | 
|  | }; | 
|  |  | 
|  | extern const struct helptxt helptext[]; | 
|  |  | 
|  | struct feat { | 
|  | const char *name; | 
|  | int bitmask; | 
|  | }; | 
|  |  | 
|  | static const struct feat feats[] = { | 
|  | {"AsynchDNS",      CURL_VERSION_ASYNCHDNS}, | 
|  | {"Debug",          CURL_VERSION_DEBUG}, | 
|  | {"TrackMemory",    CURL_VERSION_CURLDEBUG}, | 
|  | {"IDN",            CURL_VERSION_IDN}, | 
|  | {"IPv6",           CURL_VERSION_IPV6}, | 
|  | {"Largefile",      CURL_VERSION_LARGEFILE}, | 
|  | {"Unicode",        CURL_VERSION_UNICODE}, | 
|  | {"SSPI",           CURL_VERSION_SSPI}, | 
|  | {"GSS-API",        CURL_VERSION_GSSAPI}, | 
|  | {"Kerberos",       CURL_VERSION_KERBEROS5}, | 
|  | {"SPNEGO",         CURL_VERSION_SPNEGO}, | 
|  | {"NTLM",           CURL_VERSION_NTLM}, | 
|  | {"NTLM_WB",        CURL_VERSION_NTLM_WB}, | 
|  | {"SSL",            CURL_VERSION_SSL}, | 
|  | {"libz",           CURL_VERSION_LIBZ}, | 
|  | {"brotli",         CURL_VERSION_BROTLI}, | 
|  | {"zstd",           CURL_VERSION_ZSTD}, | 
|  | {"CharConv",       CURL_VERSION_CONV}, | 
|  | {"TLS-SRP",        CURL_VERSION_TLSAUTH_SRP}, | 
|  | {"HTTP2",          CURL_VERSION_HTTP2}, | 
|  | {"HTTP3",          CURL_VERSION_HTTP3}, | 
|  | {"UnixSockets",    CURL_VERSION_UNIX_SOCKETS}, | 
|  | {"HTTPS-proxy",    CURL_VERSION_HTTPS_PROXY}, | 
|  | {"MultiSSL",       CURL_VERSION_MULTI_SSL}, | 
|  | {"PSL",            CURL_VERSION_PSL}, | 
|  | {"alt-svc",        CURL_VERSION_ALTSVC}, | 
|  | {"HSTS",           CURL_VERSION_HSTS}, | 
|  | {"gsasl",          CURL_VERSION_GSASL}, | 
|  | {"threadsafe",     CURL_VERSION_THREADSAFE}, | 
|  | }; | 
|  |  | 
|  | static void print_category(curlhelp_t category) | 
|  | { | 
|  | unsigned int i; | 
|  | size_t longopt = 5; | 
|  | size_t longdesc = 5; | 
|  |  | 
|  | for(i = 0; helptext[i].opt; ++i) { | 
|  | size_t len; | 
|  | if(!(helptext[i].categories & category)) | 
|  | continue; | 
|  | len = strlen(helptext[i].opt); | 
|  | if(len > longopt) | 
|  | longopt = len; | 
|  | len = strlen(helptext[i].desc); | 
|  | if(len > longdesc) | 
|  | longdesc = len; | 
|  | } | 
|  | if(longopt + longdesc > 80) | 
|  | longopt = 80 - longdesc; | 
|  |  | 
|  | for(i = 0; helptext[i].opt; ++i) | 
|  | if(helptext[i].categories & category) { | 
|  | printf(" %-*s %s\n", (int)longopt, helptext[i].opt, helptext[i].desc); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* Prints category if found. If not, it returns 1 */ | 
|  | static int get_category_content(const char *category) | 
|  | { | 
|  | unsigned int i; | 
|  | for(i = 0; categories[i].opt; ++i) | 
|  | if(curl_strequal(categories[i].opt, category)) { | 
|  | printf("%s: %s\n", categories[i].opt, categories[i].desc); | 
|  | print_category(categories[i].category); | 
|  | return 0; | 
|  | } | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | /* Prints all categories and their description */ | 
|  | static void get_categories(void) | 
|  | { | 
|  | unsigned int i; | 
|  | for(i = 0; categories[i].opt; ++i) | 
|  | printf(" %-11s %s\n", categories[i].opt, categories[i].desc); | 
|  | } | 
|  |  | 
|  |  | 
|  | void tool_help(char *category) | 
|  | { | 
|  | puts("Usage: curl [options...] <url>"); | 
|  | /* If no category was provided */ | 
|  | if(!category) { | 
|  | const char *category_note = "\nThis is not the full help, this " | 
|  | "menu is stripped into categories.\nUse \"--help category\" to get " | 
|  | "an overview of all categories.\nFor all options use the manual" | 
|  | " or \"--help all\"."; | 
|  | print_category(CURLHELP_IMPORTANT); | 
|  | puts(category_note); | 
|  | } | 
|  | /* Lets print everything if "all" was provided */ | 
|  | else if(curl_strequal(category, "all")) | 
|  | /* Print everything except hidden */ | 
|  | print_category(~(CURLHELP_HIDDEN)); | 
|  | /* Lets handle the string "category" differently to not print an errormsg */ | 
|  | else if(curl_strequal(category, "category")) | 
|  | get_categories(); | 
|  | /* Otherwise print category and handle the case if the cat was not found */ | 
|  | else if(get_category_content(category)) { | 
|  | puts("Invalid category provided, here is a list of all categories:\n"); | 
|  | get_categories(); | 
|  | } | 
|  | free(category); | 
|  | } | 
|  |  | 
|  |  | 
|  | void tool_version_info(void) | 
|  | { | 
|  | const char *const *proto; | 
|  |  | 
|  | printf(CURL_ID "%s\n", curl_version()); | 
|  | #ifdef CURL_PATCHSTAMP | 
|  | printf("Release-Date: %s, security patched: %s\n", | 
|  | LIBCURL_TIMESTAMP, CURL_PATCHSTAMP); | 
|  | #else | 
|  | printf("Release-Date: %s\n", LIBCURL_TIMESTAMP); | 
|  | #endif | 
|  | if(curlinfo->protocols) { | 
|  | printf("Protocols: "); | 
|  | for(proto = curlinfo->protocols; *proto; ++proto) { | 
|  | /* Special case: do not list rtmp?* protocols. | 
|  | They may only appear together with "rtmp" */ | 
|  | if(!curl_strnequal(*proto, "rtmp", 4) || !proto[0][4]) | 
|  | printf("%s ", *proto); | 
|  | } | 
|  | puts(""); /* newline */ | 
|  | } | 
|  | if(curlinfo->features) { | 
|  | char *featp[ sizeof(feats) / sizeof(feats[0]) + 1]; | 
|  | size_t numfeat = 0; | 
|  | unsigned int i; | 
|  | printf("Features:"); | 
|  | for(i = 0; i < sizeof(feats)/sizeof(feats[0]); i++) { | 
|  | if(curlinfo->features & feats[i].bitmask) | 
|  | featp[numfeat++] = (char *)feats[i].name; | 
|  | } | 
|  | qsort(&featp[0], numfeat, sizeof(char *), struplocompare4sort); | 
|  | for(i = 0; i< numfeat; i++) | 
|  | printf(" %s", featp[i]); | 
|  | puts(""); /* newline */ | 
|  | } | 
|  | if(strcmp(CURL_VERSION, curlinfo->version)) { | 
|  | printf("WARNING: curl and libcurl versions do not match. " | 
|  | "Functionality may be affected.\n"); | 
|  | } | 
|  | } | 
|  |  | 
|  | void tool_list_engines(void) | 
|  | { | 
|  | CURL *curl = curl_easy_init(); | 
|  | struct curl_slist *engines = NULL; | 
|  |  | 
|  | /* Get the list of engines */ | 
|  | curl_easy_getinfo(curl, CURLINFO_SSL_ENGINES, &engines); | 
|  |  | 
|  | puts("Build-time engines:"); | 
|  | if(engines) { | 
|  | for(; engines; engines = engines->next) | 
|  | printf("  %s\n", engines->data); | 
|  | } | 
|  | else { | 
|  | puts("  <none>"); | 
|  | } | 
|  |  | 
|  | /* Cleanup the list of engines */ | 
|  | curl_slist_free_all(engines); | 
|  | curl_easy_cleanup(curl); | 
|  | } |