]> ToastFreeware Gitweb - gregoa/bti.git/blobdiff - bti.c
Merge branch 'gregoa' of colleen:bti into gregoa
[gregoa/bti.git] / bti.c
diff --git a/bti.c b/bti.c
index 0f58d70237739b2aeafd02545a66c2fa519d9bcc..26d792832ac5c444292f74cf99d503456198fdb7 100644 (file)
--- a/bti.c
+++ b/bti.c
@@ -1,6 +1,7 @@
 /*
- * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2008-2010 Greg Kroah-Hartman <greg@kroah.com>
  * Copyright (C) 2009 Bart Trojanowski <bart@jukie.net>
+ * Copyright (C) 2009-2010 Amir Mohammad Saied <amirsaied@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <curl/curl.h>
-#include <readline/readline.h>
 #include <libxml/xmlmemory.h>
 #include <libxml/parser.h>
 #include <libxml/tree.h>
 #include <pcre.h>
+#include <termios.h>
+#include <dlfcn.h>
+#include <oauth.h>
 
 
 #define zalloc(size)   calloc(size, 1)
@@ -50,6 +53,7 @@
 
 
 static int debug;
+static int verbose;
 
 enum host {
        HOST_TWITTER  = 0,
@@ -63,25 +67,41 @@ enum action {
        ACTION_USER    = 2,
        ACTION_REPLIES = 4,
        ACTION_PUBLIC  = 8,
-       ACTION_UNKNOWN = 16
+       ACTION_GROUP   = 16,
+       ACTION_RETWEET = 32,
+       ACTION_UNKNOWN = 64
 };
 
 struct session {
        char *password;
        char *account;
+       char *consumer_key;
+       char *consumer_secret;
+       char *access_token_key;
+       char *access_token_secret;
        char *tweet;
        char *proxy;
        char *time;
        char *homedir;
        char *logfile;
        char *user;
+       char *group;
        char *hosturl;
+       char *hostname;
+       char *configfile;
+       char *replyto;
+       char *retweet;
        int bash;
+       int background;
+       int interactive;
        int shrink_urls;
        int dry_run;
        int page;
+       int no_oauth;
        enum host host;
        enum action action;
+       void *readline_handle;
+       char *(*readline)(const char *);
 };
 
 struct bti_curl_buffer {
@@ -92,27 +112,32 @@ struct bti_curl_buffer {
 
 static void display_help(void)
 {
-       fprintf(stdout, "bti - send tweet to twitter or identi.ca\n");
-       fprintf(stdout, "Version: " VERSION "\n");
-       fprintf(stdout, "Usage:\n");
-       fprintf(stdout, "  bti [options]\n");
-       fprintf(stdout, "options are:\n");
-       fprintf(stdout, "  --account accountname\n");
-       fprintf(stdout, "  --password password\n");
-       fprintf(stdout, "  --action action\n");
-       fprintf(stdout, "    ('update', 'friends', 'public', 'replies' "
-               "or 'user')\n");
-       fprintf(stdout, "  --user screenname\n");
-       fprintf(stdout, "  --proxy PROXY:PORT\n");
-       fprintf(stdout, "  --host HOST\n");
-       fprintf(stdout, "  --logfile logfile\n");
-       fprintf(stdout, "  --shrink-urls\n");
-       fprintf(stdout, "  --page PAGENUMBER\n");
-       fprintf(stdout, "  --bash\n");
-       fprintf(stdout, "  --debug\n");
-       fprintf(stdout, "  --dry-run\n");
-       fprintf(stdout, "  --version\n");
-       fprintf(stdout, "  --help\n");
+       fprintf(stdout, "bti - send tweet to twitter or identi.ca\n"
+               "Version: %s\n"
+               "Usage:\n"
+               "  bti [options]\n"
+               "options are:\n"
+               "  --account accountname\n"
+               "  --password password\n"
+               "  --action action\n"
+               "    ('update', 'friends', 'public', 'replies', or 'user')\n"
+               "  --user screenname\n"
+               "  --group groupname\n"
+               "  --proxy PROXY:PORT\n"
+               "  --host HOST\n"
+               "  --logfile logfile\n"
+               "  --config configfile\n"
+               "  --replyto ID\n"
+               "  --retweet ID\n"
+               "  --shrink-urls\n"
+               "  --page PAGENUMBER\n"
+               "  --bash\n"
+               "  --background\n"
+               "  --debug\n"
+               "  --verbose\n"
+               "  --dry-run\n"
+               "  --version\n"
+               "  --help\n", VERSION);
 }
 
 static void display_version(void)
@@ -120,6 +145,102 @@ static void display_version(void)
        fprintf(stdout, "bti - version %s\n", VERSION);
 }
 
+static char *get_string(const char *name)
+{
+       char *temp;
+       char *string;
+
+       string = zalloc(1000);
+       if (!string)
+               exit(1);
+       if (name != NULL)
+               fprintf(stdout, "%s", name);
+       if (!fgets(string, 999, stdin))
+               return NULL;
+       temp = strchr(string, '\n');
+       if (temp)
+               *temp = '\0';
+       return string;
+}
+
+/*
+ * Try to get a handle to a readline function from a variety of different
+ * libraries.  If nothing is present on the system, then fall back to an
+ * internal one.
+ *
+ * Logic originally based off of code in the e2fsutils package in the
+ * lib/ss/get_readline.c file, which is licensed under the MIT license.
+ *
+ * This keeps us from having to relicense the bti codebase if readline
+ * ever changes its license, as there is no link-time dependancy.
+ * It is a run-time thing only, and we handle any readline-like library
+ * in the same manner, making bti not be a derivative work of any
+ * other program.
+ */
+static void session_readline_init(struct session *session)
+{
+       /* Libraries we will try to use for readline/editline functionality */
+       const char *libpath = "libreadline.so.6:libreadline.so.5:"
+                               "libreadline.so.4:libreadline.so:libedit.so.2:"
+                               "libedit.so:libeditline.so.0:libeditline.so";
+       void *handle = NULL;
+       char *tmp, *cp, *next;
+       int (*bind_key)(int, void *);
+       void (*insert)(void);
+
+       /* default to internal function if we can't or won't find anything */
+       session->readline = get_string;
+       if (!isatty(0))
+               return;
+       session->interactive = 1;
+
+       tmp = malloc(strlen(libpath)+1);
+       if (!tmp)
+               return;
+       strcpy(tmp, libpath);
+       for (cp = tmp; cp; cp = next) {
+               next = strchr(cp, ':');
+               if (next)
+                       *next++ = 0;
+               if (*cp == 0)
+                       continue;
+               handle = dlopen(cp, RTLD_NOW);
+               if (handle) {
+                       dbg("Using %s for readline library\n", cp);
+                       break;
+               }
+       }
+       free(tmp);
+       if (!handle) {
+               dbg("No readline library found.\n");
+               return;
+       }
+
+       session->readline_handle = handle;
+       session->readline = (char *(*)(const char *))dlsym(handle, "readline");
+       if (session->readline == NULL) {
+               /* something odd happened, default back to internal stuff */
+               session->readline_handle = NULL;
+               session->readline = get_string;
+               return;
+       }
+
+       /*
+        * If we found a library, turn off filename expansion
+        * as that makes no sense from within bti.
+        */
+       bind_key = (int (*)(int, void *))dlsym(handle, "rl_bind_key");
+       insert = (void (*)(void))dlsym(handle, "rl_insert");
+       if (bind_key && insert)
+               bind_key('\t', insert);
+}
+
+static void session_readline_cleanup(struct session *session)
+{
+       if (session->readline_handle)
+               dlclose(session->readline_handle);
+}
+
 static struct session *session_alloc(void)
 {
        struct session *session;
@@ -134,14 +255,23 @@ static void session_free(struct session *session)
 {
        if (!session)
                return;
+       free(session->retweet);
+       free(session->replyto);
        free(session->password);
        free(session->account);
+       free(session->consumer_key);
+       free(session->consumer_secret);
+       free(session->access_token_key);
+       free(session->access_token_secret);
        free(session->tweet);
        free(session->proxy);
        free(session->time);
        free(session->homedir);
        free(session->user);
+       free(session->group);
        free(session->hosturl);
+       free(session->hostname);
+       free(session->configfile);
        free(session);
 }
 
@@ -173,14 +303,26 @@ static void bti_curl_buffer_free(struct bti_curl_buffer *buffer)
        free(buffer);
 }
 
-static const char *twitter_host  = "http://twitter.com/statuses";
-static const char *identica_host = "http://identi.ca/api/statuses";
-
-static const char *user_uri    = "/user_timeline/";
-static const char *update_uri  = "/update.xml";
-static const char *public_uri  = "/public_timeline.xml";
-static const char *friends_uri = "/friends_timeline.xml";
-static const char *replies_uri = "/replies.xml";
+static const char twitter_host[]  = "http://api.twitter.com/1/statuses";
+static const char identica_host[] = "https://identi.ca/api/statuses";
+static const char twitter_name[]  = "twitter";
+static const char identica_name[] = "identi.ca";
+
+static const char twitter_request_token_uri[]  = "http://twitter.com/oauth/request_token";
+static const char twitter_access_token_uri[]   = "http://twitter.com/oauth/access_token";
+static const char twitter_authorize_uri[]      = "http://twitter.com/oauth/authorize?oauth_token=";
+static const char identica_request_token_uri[] = "http://identi.ca/api/oauth/request_token?oauth_callback=oob";
+static const char identica_access_token_uri[]  = "http://identi.ca/api/oauth/access_token";
+static const char identica_authorize_uri[]     = "http://identi.ca/api/oauth/authorize?oauth_token=";
+
+static const char user_uri[]     = "/user_timeline/";
+static const char update_uri[]   = "/update.xml";
+static const char public_uri[]   = "/public_timeline.xml";
+static const char friends_uri[]  = "/friends_timeline.xml";
+static const char mentions_uri[] = "/mentions.xml";
+static const char replies_uri[]  = "/replies.xml";
+static const char retweet_uri[]  = "/retweet/";
+static const char group_uri[]    = "/../statusnet/groups/timeline/";
 
 static CURL *curl_init(void)
 {
@@ -201,13 +343,19 @@ static void parse_statuses(xmlDocPtr doc, xmlNodePtr current)
 {
        xmlChar *text = NULL;
        xmlChar *user = NULL;
+       xmlChar *created = NULL;
+       xmlChar *id = NULL;
        xmlNodePtr userinfo;
 
        current = current->xmlChildrenNode;
        while (current != NULL) {
                if (current->type == XML_ELEMENT_NODE) {
+                       if (!xmlStrcmp(current->name, (const xmlChar *)"created_at"))
+                               created = xmlNodeListGetString(doc, current->xmlChildrenNode, 1);
                        if (!xmlStrcmp(current->name, (const xmlChar *)"text"))
                                text = xmlNodeListGetString(doc, current->xmlChildrenNode, 1);
+                       if (!xmlStrcmp(current->name, (const xmlChar *)"id"))
+                               id = xmlNodeListGetString(doc, current->xmlChildrenNode, 1);
                        if (!xmlStrcmp(current->name, (const xmlChar *)"user")) {
                                userinfo = current->xmlChildrenNode;
                                while (userinfo != NULL) {
@@ -219,12 +367,22 @@ static void parse_statuses(xmlDocPtr doc, xmlNodePtr current)
                                        userinfo = userinfo->next;
                                }
                        }
-                       if (user && text) {
-                               printf("[%s] %s\n", user, text);
+
+                       if (user && text && created && id) {
+                               if (verbose)
+                                       printf("[%s] {%s} (%.16s) %s\n",
+                                               user, id, created, text);
+                               else
+                                       printf("[%s] %s\n",
+                                               user, text);
                                xmlFree(user);
                                xmlFree(text);
+                               xmlFree(created);
+                               xmlFree(id);
                                user = NULL;
                                text = NULL;
+                               created = NULL;
+                               id = NULL;
                        }
                }
                current = current->next;
@@ -295,9 +453,125 @@ static size_t curl_callback(void *buffer, size_t size, size_t nmemb,
        return buffer_size;
 }
 
+static int parse_osp_reply(const char *reply, char **token, char **secret)
+{
+       int rc;
+       int retval = 1;
+       char **rv = NULL;
+       rc = oauth_split_url_parameters(reply, &rv);
+       qsort(rv, rc, sizeof(char *), oauth_cmpstringp);
+       if (rc == 2 || rc == 4) {
+               if (!strncmp(rv[0], "oauth_token=", 11) &&
+                   !strncmp(rv[1], "oauth_token_secret=", 18)) {
+                       if (token)
+                               *token = strdup(&(rv[0][12]));
+                       if (secret)
+                               *secret = strdup(&(rv[1][19]));
+
+                       retval = 0;
+               }
+       } else if (rc == 3) {
+               if (!strncmp(rv[1], "oauth_token=", 11) &&
+                   !strncmp(rv[2], "oauth_token_secret=", 18)) {
+                       if (token)
+                               *token = strdup(&(rv[1][12]));
+                       if (secret)
+                               *secret = strdup(&(rv[2][19]));
+
+                       retval = 0;
+               }
+       }
+
+       dbg("token: %s\n", *token);
+       dbg("secret: %s\n", *secret);
+
+       if (rv)
+               free(rv);
+
+       return retval;
+}
+
+static int request_access_token(struct session *session)
+{
+       char *post_params = NULL;
+       char *request_url = NULL;
+       char *reply       = NULL;
+       char *at_key      = NULL;
+       char *at_secret   = NULL;
+       char *verifier    = NULL;
+       char at_uri[90];
+
+       if (!session)
+               return -EINVAL;
+
+       if (session->host == HOST_TWITTER)
+               request_url = oauth_sign_url2(
+                               twitter_request_token_uri, NULL,
+                               OA_HMAC, NULL, session->consumer_key,
+                               session->consumer_secret, NULL, NULL);
+       else if (session->host == HOST_IDENTICA)
+               request_url = oauth_sign_url2(
+                               identica_request_token_uri, NULL,
+                               OA_HMAC, NULL, session->consumer_key,
+                               session->consumer_secret, NULL, NULL);
+       reply = oauth_http_get(request_url, post_params);
+
+       if (request_url)
+               free(request_url);
+
+       if (post_params)
+               free(post_params);
+
+       if (!reply)
+               return 1;
+
+       if (parse_osp_reply(reply, &at_key, &at_secret))
+               return 1;
+
+       free(reply);
+
+       fprintf(stdout,
+               "Please open the following link in your browser, and "
+               "allow 'bti' to access your account. Then paste "
+               "back the provided PIN in here.\n");
+       if (session->host == HOST_TWITTER) {
+               fprintf(stdout, "%s%s\nPIN: ", twitter_authorize_uri, at_key);
+               verifier = session->readline(NULL);
+               sprintf(at_uri, "%s?oauth_verifier=%s",
+                       twitter_access_token_uri, verifier);
+       } else if (session->host == HOST_IDENTICA) {
+               fprintf(stdout, "%s%s\nPIN: ", identica_authorize_uri, at_key);
+               verifier = session->readline(NULL);
+               sprintf(at_uri, "%s?oauth_verifier=%s",
+                       identica_access_token_uri, verifier);
+       }
+       request_url = oauth_sign_url2(at_uri, NULL, OA_HMAC, NULL,
+                                     session->consumer_key,
+                                     session->consumer_secret,
+                                     at_key, at_secret);
+       reply = oauth_http_get(request_url, post_params);
+
+       if (!reply)
+               return 1;
+
+       if (parse_osp_reply(reply, &at_key, &at_secret))
+               return 1;
+
+       free(reply);
+
+       fprintf(stdout,
+               "Please put these two lines in your bti "
+               "configuration file (~/.bti):\n"
+               "access_token_key=%s\n"
+               "access_token_secret=%s\n",
+               at_key, at_secret);
+
+       return 0;
+}
+
 static int send_request(struct session *session)
 {
-       char endpoint[100];
+       char endpoint[500];
        char user_password[500];
        char data[500];
        struct bti_curl_buffer *curl_buf;
@@ -306,99 +580,203 @@ static int send_request(struct session *session)
        struct curl_httppost *formpost = NULL;
        struct curl_httppost *lastptr = NULL;
        struct curl_slist *slist = NULL;
+       char *req_url = NULL;
+       char *reply = NULL;
+       char *postarg = NULL;
+       char *escaped_tweet = NULL;
+       int is_post = 0;
 
        if (!session)
                return -EINVAL;
 
-       curl_buf = bti_curl_buffer_alloc(session->action);
-       if (!curl_buf)
-               return -ENOMEM;
+       if (!session->hosturl)
+               session->hosturl = strdup(twitter_host);
 
-       curl = curl_init();
-       if (!curl)
-               return -EINVAL;
+       if (session->no_oauth) {
+               curl_buf = bti_curl_buffer_alloc(session->action);
+               if (!curl_buf)
+                       return -ENOMEM;
 
-       switch (session->action) {
-       case ACTION_UPDATE:
-               snprintf(user_password, sizeof(user_password), "%s:%s",
-                        session->account, session->password);
-               snprintf(data, sizeof(data), "status=\"%s\"", session->tweet);
-               curl_formadd(&formpost, &lastptr,
-                            CURLFORM_COPYNAME, "status",
-                            CURLFORM_COPYCONTENTS, session->tweet,
-                            CURLFORM_END);
-
-               curl_formadd(&formpost, &lastptr,
-                            CURLFORM_COPYNAME, "source",
-                            CURLFORM_COPYCONTENTS, "bti",
-                            CURLFORM_END);
-
-               curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
-               slist = curl_slist_append(slist, "Expect:");
-               curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
-               
-               sprintf(endpoint, "%s%s", session->hosturl, update_uri);
-               curl_easy_setopt(curl, CURLOPT_URL, endpoint);
-               curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
+               curl = curl_init();
+               if (!curl)
+                       return -EINVAL;
 
-               break;
-       case ACTION_FRIENDS:
-               snprintf(user_password, sizeof(user_password), "%s:%s",
-                        session->account, session->password);
-               sprintf(endpoint, "%s%s?page=%d", session->hosturl,
-                       friends_uri, session->page);
-               curl_easy_setopt(curl, CURLOPT_URL, endpoint);
-               curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
+               if (!session->hosturl)
+                       session->hosturl = strdup(twitter_host);
 
-               break;
-       case ACTION_USER:
-               sprintf(endpoint, "%s%s%s.xml?page=%d", session->hosturl, user_uri,
-                               session->user, session->page);
-               curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+               switch (session->action) {
+               case ACTION_UPDATE:
+                       snprintf(user_password, sizeof(user_password), "%s:%s",
+                                session->account, session->password);
+                       snprintf(data, sizeof(data), "status=\"%s\"",
+                                session->tweet);
+                       curl_formadd(&formpost, &lastptr,
+                                    CURLFORM_COPYNAME, "status",
+                                    CURLFORM_COPYCONTENTS, session->tweet,
+                                    CURLFORM_END);
+
+                       curl_formadd(&formpost, &lastptr,
+                                    CURLFORM_COPYNAME, "source",
+                                    CURLFORM_COPYCONTENTS, "bti",
+                                    CURLFORM_END);
+
+                       if (session->replyto)
+                               curl_formadd(&formpost, &lastptr,
+                                            CURLFORM_COPYNAME, "in_reply_to_status_id",
+                                            CURLFORM_COPYCONTENTS, session->replyto,
+                                            CURLFORM_END);
+
+                       curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
+                       slist = curl_slist_append(slist, "Expect:");
+                       curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
+
+                       sprintf(endpoint, "%s%s", session->hosturl, update_uri);
+                       curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+                       curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
+                       break;
 
-               break;
-       case ACTION_REPLIES:
-               snprintf(user_password, sizeof(user_password), "%s:%s",
-                        session->account, session->password);
-               sprintf(endpoint, "%s%s?page=%d", session->hosturl, replies_uri, session->page);
-               curl_easy_setopt(curl, CURLOPT_URL, endpoint);
-               curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
+               case ACTION_FRIENDS:
+                       snprintf(user_password, sizeof(user_password), "%s:%s",
+                                session->account, session->password);
+                       sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+                                       friends_uri, session->page);
+                       curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+                       curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
+                       break;
 
-               break;
-       case ACTION_PUBLIC:
-               sprintf(endpoint, "%s%s?page=%d", session->hosturl, public_uri, session->page);
-               curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+               case ACTION_USER:
+                       sprintf(endpoint, "%s%s%s.xml?page=%d", session->hosturl,
+                               user_uri, session->user, session->page);
+                       curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+                       break;
 
-               break;
-       default:
-               break;
-       }
+               case ACTION_REPLIES:
+                       snprintf(user_password, sizeof(user_password), "%s:%s",
+                                session->account, session->password);
+                       sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+                               replies_uri, session->page);
+                       curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+                       curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
+                       break;
 
-       if (session->proxy)
-               curl_easy_setopt(curl, CURLOPT_PROXY, session->proxy);
+               case ACTION_PUBLIC:
+                       sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+                               public_uri, session->page);
+                       curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+                       break;
 
-       if (debug)
-               curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
-
-       dbg("user_password = %s\n", user_password);
-       dbg("data = %s\n", data);
-       dbg("proxy = %s\n", session->proxy);
-
-       curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_callback);
-       curl_easy_setopt(curl, CURLOPT_WRITEDATA, curl_buf);
-       if (!session->dry_run) {
-               res = curl_easy_perform(curl);
-               if (res && !session->bash) {
-                       fprintf(stderr, "error(%d) trying to perform "
-                               "operation\n", res);
-                       return -EINVAL;
+               case ACTION_GROUP:
+                       sprintf(endpoint, "%s%s%s.xml?page=%d",
+                               session->hosturl, group_uri, session->group,
+                               session->page);
+                       curl_easy_setopt(curl, CURLOPT_URL, endpoint);
+                       break;
+
+               default:
+                       break;
                }
-       }
 
-       curl_easy_cleanup(curl);
-       if (session->action == ACTION_UPDATE)
-               curl_formfree(formpost);
-       bti_curl_buffer_free(curl_buf);
+               if (session->proxy)
+                       curl_easy_setopt(curl, CURLOPT_PROXY, session->proxy);
+
+               if (debug)
+                       curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
+
+               dbg("user_password = %s\n", user_password);
+               dbg("data = %s\n", data);
+               dbg("proxy = %s\n", session->proxy);
+
+               curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_callback);
+               curl_easy_setopt(curl, CURLOPT_WRITEDATA, curl_buf);
+               if (!session->dry_run) {
+                       res = curl_easy_perform(curl);
+                       if (res && !session->background) {
+                               fprintf(stderr, "error(%d) trying to perform "
+                                               "operation\n", res);
+                               return -EINVAL;
+                       }
+               }
+
+               curl_easy_cleanup(curl);
+               if (session->action == ACTION_UPDATE)
+                       curl_formfree(formpost);
+               bti_curl_buffer_free(curl_buf);
+       } else {
+               switch (session->action) {
+               case ACTION_UPDATE:
+                       escaped_tweet = oauth_url_escape(session->tweet);
+                       if (session->replyto) {
+                               sprintf(endpoint,
+                                       "%s%s?status=%s&in_reply_to_status_id=%s",
+                                       session->hosturl, update_uri,
+                                       escaped_tweet, session->replyto);
+                       } else {
+                               sprintf(endpoint, "%s%s?status=%s",
+                                       session->hosturl, update_uri,
+                                       escaped_tweet);
+                       }
+
+                       is_post = 1;
+                       break;
+               case ACTION_USER:
+                       sprintf(endpoint, "%s%s%s.xml?page=%d",
+                               session->hosturl, user_uri, session->user,
+                               session->page);
+                       break;
+               case ACTION_REPLIES:
+                       sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+                               mentions_uri, session->page);
+                       break;
+               case ACTION_PUBLIC:
+                       sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+                               public_uri, session->page);
+                       break;
+               case ACTION_GROUP:
+                       sprintf(endpoint, "%s%s%s.xml?page=%d",
+                               session->hosturl, group_uri, session->group,
+                               session->page);
+                       break;
+               case ACTION_FRIENDS:
+                       sprintf(endpoint, "%s%s?page=%d", session->hosturl,
+                               friends_uri, session->page);
+                       break;
+               case ACTION_RETWEET:
+                       sprintf(endpoint, "%s%s%s.xml", session->hosturl,
+                               retweet_uri, session->retweet);
+                       is_post = 1;
+                       break;
+               default:
+                       break;
+               }
+
+               dbg("%s\n", endpoint);
+               if (!session->dry_run) {
+                       if (is_post) {
+                               req_url = oauth_sign_url2(endpoint, &postarg, OA_HMAC,
+                                                         NULL, session->consumer_key,
+                                                         session->consumer_secret,
+                                                         session->access_token_key,
+                                                         session->access_token_secret);
+                               reply = oauth_http_post(req_url, postarg);
+                       } else {
+                               req_url = oauth_sign_url2(endpoint, NULL, OA_HMAC, NULL,
+                                                         session->consumer_key,
+                                                         session->consumer_secret,
+                                                         session->access_token_key,
+                                                         session->access_token_secret);
+                               reply = oauth_http_get(req_url, postarg);
+                       }
+
+                       dbg("%s\n", req_url);
+                       dbg("%s\n", reply);
+                       if (req_url)
+                               free(req_url);
+               }
+
+               if ((session->action != ACTION_UPDATE) &&
+                               (session->action != ACTION_RETWEET))
+                       parse_timeline(reply);
+       }
        return 0;
 }
 
@@ -409,20 +787,20 @@ static void parse_configfile(struct session *session)
        size_t len = 0;
        char *account = NULL;
        char *password = NULL;
+       char *consumer_key = NULL;
+       char *consumer_secret = NULL;
+       char *access_token_key = NULL;
+       char *access_token_secret = NULL;
        char *host = NULL;
        char *proxy = NULL;
        char *logfile = NULL;
        char *action = NULL;
        char *user = NULL;
-       char *file;
+       char *replyto = NULL;
+       char *retweet = NULL;
        int shrink_urls = 0;
 
-       /* config file is ~/.bti  */
-       file = alloca(strlen(session->homedir) + 7);
-
-       sprintf(file, "%s/.bti", session->homedir);
-
-       config_file = fopen(file, "r");
+       config_file = fopen(session->configfile, "r");
 
        /* No error if file does not exist or is unreadable.  */
        if (config_file == NULL)
@@ -456,6 +834,26 @@ static void parse_configfile(struct session *session)
                        c += 9;
                        if (c[0] != '\0')
                                password = strdup(c);
+               } else if (!strncasecmp(c, "consumer_key", 12) &&
+                          (c[12] == '=')) {
+                       c += 13;
+                       if (c[0] != '\0')
+                               consumer_key = strdup(c);
+               } else if (!strncasecmp(c, "consumer_secret", 15) &&
+                          (c[15] == '=')) {
+                       c += 16;
+                       if (c[0] != '\0')
+                               consumer_secret = strdup(c);
+               } else if (!strncasecmp(c, "access_token_key", 16) &&
+                          (c[16] == '=')) {
+                       c += 17;
+                       if (c[0] != '\0')
+                               access_token_key = strdup(c);
+               } else if (!strncasecmp(c, "access_token_secret", 19) &&
+                          (c[19] == '=')) {
+                       c += 20;
+                       if (c[0] != '\0')
+                               access_token_secret = strdup(c);
                } else if (!strncasecmp(c, "host", 4) &&
                           (c[4] == '=')) {
                        c += 5;
@@ -471,6 +869,11 @@ static void parse_configfile(struct session *session)
                        c += 8;
                        if (c[0] != '\0')
                                logfile = strdup(c);
+               } else if (!strncasecmp(c, "replyto", 7) &&
+                          (c[7] == '=')) {
+                       c += 8;
+                       if (c[0] != '\0')
+                               replyto = strdup(c);
                } else if (!strncasecmp(c, "action", 6) &&
                           (c[6] == '=')) {
                        c += 7;
@@ -487,6 +890,17 @@ static void parse_configfile(struct session *session)
                        if (!strncasecmp(c, "true", 4) ||
                                        !strncasecmp(c, "yes", 3))
                                shrink_urls = 1;
+               } else if (!strncasecmp(c, "verbose", 7) &&
+                               (c[7] == '=')) {
+                       c += 8;
+                       if (!strncasecmp(c, "true", 4) ||
+                                       !strncasecmp(c, "yes", 3))
+                               verbose = 1;
+               } else if (!strncasecmp(c,"retweet", 7) &&
+                               (c[7] == '=')) {
+                       c += 8;
+                       if (c[0] != '\0')
+                               retweet = strdup(c);
                }
        } while (!feof(config_file));
 
@@ -494,16 +908,27 @@ static void parse_configfile(struct session *session)
                session->password = password;
        if (account)
                session->account = account;
+       if (consumer_key)
+               session->consumer_key = consumer_key;
+       if (consumer_secret)
+               session->consumer_secret = consumer_secret;
+       if (access_token_key)
+               session->access_token_key = access_token_key;
+       if (access_token_secret)
+               session->access_token_secret = access_token_secret;
        if (host) {
                if (strcasecmp(host, "twitter") == 0) {
                        session->host = HOST_TWITTER;
                        session->hosturl = strdup(twitter_host);
+                       session->hostname = strdup(twitter_name);
                } else if (strcasecmp(host, "identica") == 0) {
                        session->host = HOST_IDENTICA;
                        session->hosturl = strdup(identica_host);
+                       session->hostname = strdup(identica_name);
                } else {
                        session->host = HOST_CUSTOM;
                        session->hosturl = strdup(host);
+                       session->hostname = strdup(host);
                }
                free(host);
        }
@@ -514,6 +939,10 @@ static void parse_configfile(struct session *session)
        }
        if (logfile)
                session->logfile = logfile;
+       if (replyto)
+               session->replyto = replyto;
+       if (retweet)
+               session->retweet = retweet;
        if (action) {
                if (strcasecmp(action, "update") == 0)
                        session->action = ACTION_UPDATE;
@@ -525,6 +954,8 @@ static void parse_configfile(struct session *session)
                        session->action = ACTION_REPLIES;
                else if (strcasecmp(action, "public") == 0)
                        session->action = ACTION_PUBLIC;
+               else if (strcasecmp(action, "group") == 0)
+                       session->action = ACTION_GROUP;
                else
                        session->action = ACTION_UNKNOWN;
                free(action);
@@ -542,7 +973,6 @@ static void log_session(struct session *session, int retval)
 {
        FILE *log_file;
        char *filename;
-       char *host;
 
        /* Only log something if we have a log file set */
        if (!session->logfile)
@@ -556,42 +986,36 @@ static void log_session(struct session *session, int retval)
        log_file = fopen(filename, "a+");
        if (log_file == NULL)
                return;
-       switch (session->host) {
-       case HOST_TWITTER:
-               host = "twitter";
-               break;
-       case HOST_IDENTICA:
-               host = "identi.ca";
-               break;
-       default:
-               host = session->hosturl;
-               break;
-       }
 
        switch (session->action) {
        case ACTION_UPDATE:
                if (retval)
                        fprintf(log_file, "%s: host=%s tweet failed\n",
-                               session->time, host);
+                               session->time, session->hostname);
                else
                        fprintf(log_file, "%s: host=%s tweet=%s\n",
-                               session->time, host, session->tweet);
+                               session->time, session->hostname,
+                               session->tweet);
                break;
        case ACTION_FRIENDS:
                fprintf(log_file, "%s: host=%s retrieving friends timeline\n",
-                       session->time, host);
+                       session->time, session->hostname);
                break;
        case ACTION_USER:
                fprintf(log_file, "%s: host=%s retrieving %s's timeline\n",
-                       session->time, host, session->user);
+                       session->time, session->hostname, session->user);
                break;
        case ACTION_REPLIES:
                fprintf(log_file, "%s: host=%s retrieving replies\n",
-                       session->time, host);
+                       session->time, session->hostname);
                break;
        case ACTION_PUBLIC:
                fprintf(log_file, "%s: host=%s retrieving public timeline\n",
-                       session->time, host);
+                       session->time, session->hostname);
+               break;
+       case ACTION_GROUP:
+               fprintf(log_file, "%s: host=%s retrieving group timeline\n",
+                       session->time, session->hostname);
                break;
        default:
                break;
@@ -612,10 +1036,37 @@ static char *get_string_from_stdin(void)
        if (!fgets(string, 999, stdin))
                return NULL;
        temp = strchr(string, '\n');
-       *temp = '\0';
+       if (temp)
+               *temp = '\0';
        return string;
 }
 
+static void read_password(char *buf, size_t len, char *host)
+{
+       char pwd[80];
+       int retval;
+       struct termios old;
+       struct termios tp;
+
+       tcgetattr(0, &tp);
+       old = tp;
+
+       tp.c_lflag &= (~ECHO);
+       tcsetattr(0, TCSANOW, &tp);
+
+       fprintf(stdout, "Enter password for %s: ", host);
+       fflush(stdout);
+       tcflow(0, TCOOFF);
+       retval = scanf("%79s", pwd);
+       tcflow(0, TCOON);
+       fprintf(stdout, "\n");
+
+       tcsetattr(0, TCSANOW, &old);
+
+       strncpy(buf, pwd, len);
+       buf[len-1] = '\0';
+}
+
 static int find_urls(const char *tweet, int **pranges)
 {
        /*
@@ -882,24 +1333,32 @@ int main(int argc, char *argv[], char *envp[])
 {
        static const struct option options[] = {
                { "debug", 0, NULL, 'd' },
+               { "verbose", 0, NULL, 'V' },
                { "account", 1, NULL, 'a' },
                { "password", 1, NULL, 'p' },
                { "host", 1, NULL, 'H' },
                { "proxy", 1, NULL, 'P' },
                { "action", 1, NULL, 'A' },
                { "user", 1, NULL, 'u' },
+               { "group", 1, NULL, 'G' },
                { "logfile", 1, NULL, 'L' },
                { "shrink-urls", 0, NULL, 's' },
                { "help", 0, NULL, 'h' },
                { "bash", 0, NULL, 'b' },
+               { "background", 0, NULL, 'B' },
                { "dry-run", 0, NULL, 'n' },
                { "page", 1, NULL, 'g' },
                { "version", 0, NULL, 'v' },
+               { "config", 1, NULL, 'c' },
+               { "replyto", 1, NULL, 'r' },
+               { "retweet", 1, NULL, 'w' },
                { }
        };
        struct session *session;
        pid_t child;
        char *tweet;
+       char *retweet;
+       static char password[80];
        int retval = 0;
        int option;
        char *http_proxy;
@@ -907,7 +1366,7 @@ int main(int argc, char *argv[], char *envp[])
        int page_nr;
 
        debug = 0;
-       rl_bind_key('\t', rl_insert);
+       verbose = 0;
 
        session = session_alloc();
        if (!session) {
@@ -920,9 +1379,12 @@ int main(int argc, char *argv[], char *envp[])
        session->time = strdup(ctime(&t));
        session->time[strlen(session->time)-1] = 0x00;
 
+       /* Get the home directory so we can try to find a config file */
        session->homedir = strdup(getenv("HOME"));
 
-       curl_global_init(CURL_GLOBAL_ALL);
+       /* set up a default config file location (traditionally ~/.bti) */
+       session->configfile = zalloc(strlen(session->homedir) + 7);
+       sprintf(session->configfile, "%s/.bti", session->homedir);
 
        /* Set environment variables first, before reading command line options
         * or config file values. */
@@ -937,7 +1399,8 @@ int main(int argc, char *argv[], char *envp[])
        parse_configfile(session);
 
        while (1) {
-               option = getopt_long_only(argc, argv, "dqe:p:P:H:a:A:u:hg:sn",
+               option = getopt_long_only(argc, argv,
+                                         "dp:P:H:a:A:u:c:hg:G:sr:nVv",
                                          options, NULL);
                if (option == -1)
                        break;
@@ -945,6 +1408,9 @@ int main(int argc, char *argv[], char *envp[])
                case 'd':
                        debug = 1;
                        break;
+               case 'V':
+                       verbose = 1;
+                       break;
                case 'a':
                        if (session->account)
                                free(session->account);
@@ -956,6 +1422,14 @@ int main(int argc, char *argv[], char *envp[])
                        dbg("page = %d\n", page_nr);
                        session->page = page_nr;
                        break;
+               case 'r':
+                       session->replyto = strdup(optarg);
+                       dbg("in_reply_to_status_id = %s\n", session->replyto);
+                       break;
+               case 'w':
+                       session->retweet = strdup(optarg);
+                       dbg("Retweet ID = %s\n", session->retweet);
+                       break;
                case 'p':
                        if (session->password)
                                free(session->password);
@@ -979,6 +1453,10 @@ int main(int argc, char *argv[], char *envp[])
                                session->action = ACTION_REPLIES;
                        else if (strcasecmp(optarg, "public") == 0)
                                session->action = ACTION_PUBLIC;
+                       else if (strcasecmp(optarg, "group") == 0)
+                               session->action = ACTION_GROUP;
+                       else if (strcasecmp(optarg,"retweet") == 0)
+                               session->action = ACTION_RETWEET;
                        else
                                session->action = ACTION_UNKNOWN;
                        dbg("action = %d\n", session->action);
@@ -989,6 +1467,13 @@ int main(int argc, char *argv[], char *envp[])
                        session->user = strdup(optarg);
                        dbg("user = %s\n", session->user);
                        break;
+
+               case 'G':
+                       if (session->group)
+                               free(session->group);
+                       session->group = strdup(optarg);
+                       dbg("group = %s\n", session->group);
+                       break;
                case 'L':
                        if (session->logfile)
                                free(session->logfile);
@@ -1001,20 +1486,41 @@ int main(int argc, char *argv[], char *envp[])
                case 'H':
                        if (session->hosturl)
                                free(session->hosturl);
+                       if (session->hostname)
+                               free(session->hostname);
                        if (strcasecmp(optarg, "twitter") == 0) {
                                session->host = HOST_TWITTER;
                                session->hosturl = strdup(twitter_host);
+                               session->hostname = strdup(twitter_name);
                        } else if (strcasecmp(optarg, "identica") == 0) {
                                session->host = HOST_IDENTICA;
                                session->hosturl = strdup(identica_host);
+                               session->hostname = strdup(identica_name);
                        } else {
                                session->host = HOST_CUSTOM;
                                session->hosturl = strdup(optarg);
+                               session->hostname = strdup(optarg);
                        }
                        dbg("host = %d\n", session->host);
                        break;
                case 'b':
                        session->bash = 1;
+                       /* fall-through intended */
+               case 'B':
+                       session->background = 1;
+                       break;
+               case 'c':
+                       if (session->configfile)
+                               free(session->configfile);
+                       session->configfile = strdup(optarg);
+                       dbg("configfile = %s\n", session->configfile);
+
+                       /*
+                        * read the config file now.  Yes, this could override
+                        * previously set options from the command line, but
+                        * the user asked for it...
+                        */
+                       parse_configfile(session);
                        break;
                case 'h':
                        display_help();
@@ -1031,6 +1537,7 @@ int main(int argc, char *argv[], char *envp[])
                }
        }
 
+       session_readline_init(session);
        /*
         * Show the version to make it easier to determine what
         * is going on here
@@ -1038,28 +1545,73 @@ int main(int argc, char *argv[], char *envp[])
        if (debug)
                display_version();
 
+       if (session->host == HOST_TWITTER) {
+               if (!session->consumer_key || !session->consumer_secret) {
+                       fprintf(stderr,
+                               "Twitter no longer supports HTTP basic authentication.\n"
+                               "Both consumer key, and consumer secret are required"
+                               " for bti in order to behave as an OAuth consumer.\n");
+                       goto exit;
+               }
+               if (session->action == ACTION_GROUP) {
+                       fprintf(stderr, "Groups only work in Identi.ca.\n");
+                       goto exit;
+               }
+       } else {
+               if (!session->consumer_key || !session->consumer_secret)
+                       session->no_oauth = 1;
+       }
+
+       if (session->no_oauth) {
+               if (!session->account) {
+                       fprintf(stdout, "Enter account for %s: ",
+                               session->hostname);
+                       session->account = session->readline(NULL);
+               }
+               if (!session->password) {
+                       read_password(password, sizeof(password),
+                                     session->hostname);
+                       session->password = strdup(password);
+               }
+       } else {
+               if (!session->access_token_key ||
+                   !session->access_token_secret) {
+                       request_access_token(session);
+                       goto exit;
+               }
+       }
+
        if (session->action == ACTION_UNKNOWN) {
-               fprintf(stderr, "Unknown action, valid actions are:\n");
-               fprintf(stderr, "'update', 'friends', 'public', "
-                       "'replies' or 'user'.\n");
+               fprintf(stderr, "Unknown action, valid actions are:\n"
+                       "'update', 'friends', 'public', 'replies', 'group' or 'user'.\n");
                goto exit;
        }
 
-       if (!session->account) {
-               fprintf(stdout, "Enter twitter account: ");
-               session->account = readline(NULL);
+       if (session->action == ACTION_GROUP && !session->group) {
+               fprintf(stdout, "Enter group name: ");
+               session->group = session->readline(NULL);
        }
 
-       if (!session->password) {
-               fprintf(stdout, "Enter twitter password: ");
-               session->password = readline(NULL);
+       if (session->action == ACTION_RETWEET) {
+               fprintf(stdout, "Status ID to retweet: ");
+               retweet = get_string_from_stdin();
+
+               if (!retweet || strlen(retweet) == 0) {
+                       dbg("no retweet?\n");
+                       return -1;
+               }
+
+               session->retweet = zalloc(strlen(retweet) + 10);
+               sprintf(session->retweet,"%s", retweet);
+               free(retweet);
+               dbg("retweet ID = %s\n", session->retweet);
        }
 
        if (session->action == ACTION_UPDATE) {
-               if (session->bash)
+               if (session->background || !session->interactive)
                        tweet = get_string_from_stdin();
                else
-                       tweet = readline("tweet: ");
+                       tweet = session->readline("tweet: ");
                if (!tweet || strlen(tweet) == 0) {
                        dbg("no tweet?\n");
                        return -1;
@@ -1070,7 +1622,8 @@ int main(int argc, char *argv[], char *envp[])
 
                session->tweet = zalloc(strlen(tweet) + 10);
                if (session->bash)
-                       sprintf(session->tweet, "%c %s", getuid() ? '$' : '#', tweet);
+                       sprintf(session->tweet, "%c %s",
+                               getuid() ? '$' : '#', tweet);
                else
                        sprintf(session->tweet, "%s", tweet);
 
@@ -1078,20 +1631,16 @@ int main(int argc, char *argv[], char *envp[])
                dbg("tweet = %s\n", session->tweet);
        }
 
-       if (!session->user)
-               session->user = strdup(session->account);
-
        if (session->page == 0)
                session->page = 1;
-       dbg("account = %s\n", session->account);
-       dbg("password = %s\n", session->password);
+       dbg("config file = %s\n", session->configfile);
        dbg("host = %d\n", session->host);
        dbg("action = %d\n", session->action);
 
        /* fork ourself so that the main shell can get on
         * with it's life as we try to connect and handle everything
         */
-       if (session->bash) {
+       if (session->background) {
                child = fork();
                if (child) {
                        dbg("child is %d\n", child);
@@ -1100,11 +1649,12 @@ int main(int argc, char *argv[], char *envp[])
        }
 
        retval = send_request(session);
-       if (retval && !session->bash)
+       if (retval && !session->background)
                fprintf(stderr, "operation failed\n");
 
        log_session(session, retval);
 exit:
+       session_readline_cleanup(session);
        session_free(session);
        return retval;;
 }