kike: shuffle things around
Pseudorandomly. There are more than one way the program could be laid out. Some of them make more sense than others.
This commit is contained in:
parent
9927956104
commit
23cd9521d4
11
src/common.c
11
src/common.c
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@ -1815,6 +1815,17 @@ irc_strcmp (const char *a, const char *b)
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return 0;
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}
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static int
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irc_fnmatch (const char *pattern, const char *string)
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{
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size_t pattern_size = strlen (pattern) + 1;
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size_t string_size = strlen (string) + 1;
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char x_pattern[pattern_size], x_string[string_size];
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irc_strxfrm (x_pattern, pattern, pattern_size);
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irc_strxfrm (x_string, string, string_size);
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return fnmatch (x_pattern, x_string, 0);
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}
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// --- Configuration -----------------------------------------------------------
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// The keys are stripped of surrounding whitespace, the values are not.
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317
src/kike.c
317
src/kike.c
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@ -236,7 +236,7 @@ irc_is_valid_fingerprint (const char *fp)
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return irc_regex_match ("^[a-fA-F0-9]{2}(:[a-fA-F0-9]{2}){19}$", fp);
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}
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// --- Application data --------------------------------------------------------
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// --- Clients (equals users) --------------------------------------------------
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#define IRC_SUPPORTED_USER_MODES "aiwros"
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@ -307,26 +307,14 @@ client_free (struct client *self)
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free (self->away_message);
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}
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static void
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client_mode_to_str (unsigned m, struct str *out)
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{
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if (m & IRC_USER_MODE_INVISIBLE) str_append_c (out, 'i');
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if (m & IRC_USER_MODE_RX_WALLOPS) str_append_c (out, 'w');
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if (m & IRC_USER_MODE_RESTRICTED) str_append_c (out, 'r');
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if (m & IRC_USER_MODE_OPERATOR) str_append_c (out, 'o');
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if (m & IRC_USER_MODE_RX_SERVER_NOTICES) str_append_c (out, 's');
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}
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static void client_close_link (struct client *, const char *);
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static void client_send (struct client *, const char *, ...)
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ATTRIBUTE_PRINTF (2, 3);
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static void client_cancel_timers (struct client *);
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static void client_set_kill_timer (struct client *);
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static void client_update_poller (struct client *, const struct pollfd *);
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static char *
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client_get_mode (struct client *self)
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{
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struct str mode;
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str_init (&mode);
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if (self->away_message)
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str_append_c (&mode, 'a');
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client_mode_to_str (self->mode, &mode);
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return str_steal (&mode);
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}
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// --- Channels ----------------------------------------------------------------
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#define IRC_SUPPORTED_CHAN_MODES "ov" "beI" "imnqpst" "kl"
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@ -434,6 +422,42 @@ channel_get_mode (struct channel *self, bool disclose_secrets)
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return str_steal (&mode);
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}
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static struct channel_user *
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channel_get_user (const struct channel *chan, const struct client *c)
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{
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for (struct channel_user *iter = chan->users; iter; iter = iter->next)
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if (iter->c == c)
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return iter;
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return NULL;
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}
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static struct channel_user *
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channel_add_user (struct channel *chan, struct client *c)
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{
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struct channel_user *link = xcalloc (1, sizeof *link);
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link->c = c;
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LIST_PREPEND (chan->users, link);
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return link;
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}
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static void
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channel_remove_user (struct channel *chan, struct channel_user *user)
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{
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LIST_UNLINK (chan->users, user);
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free (user);
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}
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static size_t
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channel_user_count (const struct channel *chan)
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{
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size_t result = 0;
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for (struct channel_user *iter = chan->users; iter; iter = iter->next)
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result++;
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return result;
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}
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// --- IRC server context ------------------------------------------------------
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struct server_context
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{
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int listen_fds[1]; ///< Listening socket FD's
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@ -523,13 +547,6 @@ server_context_free (struct server_context *self)
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str_map_free (&self->operators);
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}
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static void
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irc_try_finish_quit (struct server_context *ctx)
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{
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if (!ctx->n_clients && ctx->quitting)
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ctx->polling = false;
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}
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static const char *
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irc_get_text (struct server_context *ctx, int id, const char *def)
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{
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@ -540,55 +557,37 @@ irc_get_text (struct server_context *ctx, int id, const char *def)
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return catgets (ctx->catalog, 1, id, def);
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}
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static int
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irc_fnmatch (const char *pattern, const char *string)
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static void
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irc_try_finish_quit (struct server_context *ctx)
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{
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size_t pattern_size = strlen (pattern) + 1;
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size_t string_size = strlen (string) + 1;
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char x_pattern[pattern_size], x_string[string_size];
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irc_strxfrm (x_pattern, pattern, pattern_size);
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irc_strxfrm (x_string, string, string_size);
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return fnmatch (x_pattern, x_string, 0);
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}
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// --- Channels ----------------------------------------------------------------
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static struct channel_user *
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channel_get_user (const struct channel *chan, const struct client *c)
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{
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for (struct channel_user *iter = chan->users; iter; iter = iter->next)
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if (iter->c == c)
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return iter;
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return NULL;
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}
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static struct channel_user *
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channel_add_user (struct channel *chan, struct client *c)
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{
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struct channel_user *link = xcalloc (1, sizeof *link);
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link->c = c;
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LIST_PREPEND (chan->users, link);
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return link;
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if (!ctx->n_clients && ctx->quitting)
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ctx->polling = false;
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}
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static void
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channel_remove_user (struct channel *chan, struct channel_user *user)
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irc_initiate_quit (struct server_context *ctx)
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{
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LIST_UNLINK (chan->users, user);
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free (user);
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}
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print_status ("shutting down");
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static size_t
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channel_user_count (const struct channel *chan)
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{
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size_t result = 0;
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for (struct channel_user *iter = chan->users; iter; iter = iter->next)
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result++;
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return result;
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for (struct client *iter = ctx->clients; iter; iter = iter->next)
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if (!iter->closing_link)
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client_close_link (iter, "Shutting down");
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for (size_t i = 0; i < ctx->n_listen_fds; i++)
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{
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ssize_t index = poller_find_by_fd (&ctx->poller, ctx->listen_fds[i]);
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if (soft_assert (index != -1))
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poller_remove_at_index (&ctx->poller, index);
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xclose (ctx->listen_fds[i]);
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}
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ctx->n_listen_fds = 0;
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ctx->quitting = true;
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irc_try_finish_quit (ctx);
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}
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static struct channel *
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channel_create (struct server_context *ctx, const char *name)
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irc_channel_create (struct server_context *ctx, const char *name)
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{
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struct channel *chan = channel_new ();
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chan->ctx = ctx;
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@ -598,52 +597,14 @@ channel_create (struct server_context *ctx, const char *name)
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}
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static void
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channel_destroy_if_empty (struct server_context *ctx, struct channel *chan)
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irc_channel_destroy_if_empty (struct server_context *ctx, struct channel *chan)
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{
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if (!chan->users)
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str_map_set (&ctx->channels, chan->name, NULL);
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}
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// --- Clients -----------------------------------------------------------------
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static void client_cancel_timers (struct client *);
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static void client_set_kill_timer (struct client *);
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static void client_update_poller (struct client *, const struct pollfd *);
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static void
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irc_send_str (struct client *c, const struct str *s)
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{
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hard_assert (c->initialized && !c->closing_link);
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// TODO: kill the connection above some "SendQ" threshold (careful!)
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str_append_data (&c->write_buffer, s->str,
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s->len > IRC_MAX_MESSAGE_LENGTH ? IRC_MAX_MESSAGE_LENGTH : s->len);
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str_append (&c->write_buffer, "\r\n");
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// XXX: we might want to move this elsewhere, so that it doesn't get called
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// as often; it's going to cause a lot of syscalls with epoll.
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client_update_poller (c, NULL);
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}
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static void irc_send (struct client *c,
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const char *format, ...) ATTRIBUTE_PRINTF (2, 3);
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static void
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irc_send (struct client *c, const char *format, ...)
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{
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struct str tmp;
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str_init (&tmp);
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va_list ap;
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va_start (ap, format);
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str_append_vprintf (&tmp, format, ap);
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va_end (ap);
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irc_send_str (c, &tmp);
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str_free (&tmp);
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}
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static void
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client_send_to_roommates (struct client *c, const char *message)
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irc_send_to_roommates (struct client *c, const char *message)
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{
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struct str_map targets;
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str_map_init (&targets);
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@ -668,7 +629,59 @@ client_send_to_roommates (struct client *c, const char *message)
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str_map_iter_init (&iter, &targets);
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struct client *target;
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while ((target = str_map_iter_next (&iter)))
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irc_send (target, "%s", message);
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client_send (target, "%s", message);
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}
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// --- Clients (continued) -----------------------------------------------------
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static void
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client_mode_to_str (unsigned m, struct str *out)
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{
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if (m & IRC_USER_MODE_INVISIBLE) str_append_c (out, 'i');
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if (m & IRC_USER_MODE_RX_WALLOPS) str_append_c (out, 'w');
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if (m & IRC_USER_MODE_RESTRICTED) str_append_c (out, 'r');
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if (m & IRC_USER_MODE_OPERATOR) str_append_c (out, 'o');
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if (m & IRC_USER_MODE_RX_SERVER_NOTICES) str_append_c (out, 's');
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}
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static char *
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client_get_mode (struct client *self)
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{
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struct str mode;
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str_init (&mode);
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if (self->away_message)
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str_append_c (&mode, 'a');
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client_mode_to_str (self->mode, &mode);
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return str_steal (&mode);
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}
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static void
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client_send_str (struct client *c, const struct str *s)
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{
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hard_assert (c->initialized && !c->closing_link);
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// TODO: kill the connection above some "SendQ" threshold (careful!)
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str_append_data (&c->write_buffer, s->str,
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s->len > IRC_MAX_MESSAGE_LENGTH ? IRC_MAX_MESSAGE_LENGTH : s->len);
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str_append (&c->write_buffer, "\r\n");
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// XXX: we might want to move this elsewhere, so that it doesn't get called
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// as often; it's going to cause a lot of syscalls with epoll.
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client_update_poller (c, NULL);
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}
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static void
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client_send (struct client *c, const char *format, ...)
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{
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struct str tmp;
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str_init (&tmp);
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va_list ap;
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va_start (ap, format);
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str_append_vprintf (&tmp, format, ap);
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va_end (ap);
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client_send_str (c, &tmp);
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str_free (&tmp);
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}
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static void
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@ -682,7 +695,7 @@ client_unregister (struct client *c, const char *reason)
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char *message = xstrdup_printf (":%s!%s@%s QUIT :%s",
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c->nickname, c->username, c->hostname, reason);
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client_send_to_roommates (c, message);
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irc_send_to_roommates (c, message);
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free (message);
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struct str_map_iter iter;
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@ -695,7 +708,7 @@ client_unregister (struct client *c, const char *reason)
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if (!(user = channel_get_user (chan, c)))
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continue;
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channel_remove_user (chan, user);
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channel_destroy_if_empty (c->ctx, chan);
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irc_channel_destroy_if_empty (c->ctx, chan);
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}
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free (c->nickname);
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@ -727,7 +740,7 @@ client_kill (struct client *c, const char *reason)
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}
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static void
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irc_close_link (struct client *c, const char *reason)
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client_close_link (struct client *c, const char *reason)
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{
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if (!soft_assert (!c->closing_link))
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return;
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@ -736,7 +749,7 @@ irc_close_link (struct client *c, const char *reason)
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// it, with some arbitrary timeout. The `closing_link' state makes sure
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// that a/ we ignore any successive messages, and b/ that the connection
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// is killed after the write buffer is transferred and emptied.
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irc_send (c, "ERROR :Closing Link: %s[%s] (%s)", c->nickname,
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client_send (c, "ERROR :Closing Link: %s[%s] (%s)", c->nickname,
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c->hostname /* TODO host IP? */, reason);
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c->closing_link = true;
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@ -760,28 +773,6 @@ client_in_mask_list (const struct client *c, const struct str_vector *mask)
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return result;
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}
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static void
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irc_initiate_quit (struct server_context *ctx)
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{
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print_status ("shutting down");
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for (struct client *iter = ctx->clients; iter; iter = iter->next)
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if (!iter->closing_link)
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irc_close_link (iter, "Shutting down");
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for (size_t i = 0; i < ctx->n_listen_fds; i++)
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{
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ssize_t index = poller_find_by_fd (&ctx->poller, ctx->listen_fds[i]);
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if (soft_assert (index != -1))
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poller_remove_at_index (&ctx->poller, index);
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xclose (ctx->listen_fds[i]);
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}
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ctx->n_listen_fds = 0;
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ctx->quitting = true;
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irc_try_finish_quit (ctx);
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}
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static char *
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client_get_ssl_cert_fingerprint (struct client *c)
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{
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@ -830,7 +821,7 @@ client_set_timer (struct client *c, poller_timer_func fn, unsigned interval)
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}
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static void
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on_irc_client_kill_timer (void *user_data)
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on_client_kill_timer (void *user_data)
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{
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struct client *c = user_data;
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hard_assert (!c->initialized || c->closing_link);
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@ -840,32 +831,32 @@ on_irc_client_kill_timer (void *user_data)
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static void
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client_set_kill_timer (struct client *c)
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{
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client_set_timer (c, on_irc_client_kill_timer, c->ctx->ping_interval);
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client_set_timer (c, on_client_kill_timer, c->ctx->ping_interval);
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}
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static void
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on_irc_client_timeout_timer (void *user_data)
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on_client_timeout_timer (void *user_data)
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{
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struct client *c = user_data;
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char *reason = xstrdup_printf
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("Ping timeout: >%u seconds", c->ctx->ping_interval);
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irc_close_link (c, reason);
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client_close_link (c, reason);
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free (reason);
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}
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static void
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on_irc_client_ping_timer (void *user_data)
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on_client_ping_timer (void *user_data)
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{
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struct client *c = user_data;
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hard_assert (!c->closing_link);
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irc_send (c, "PING :%s", c->ctx->server_name);
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client_set_timer (c, on_irc_client_timeout_timer, c->ctx->ping_interval);
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client_send (c, "PING :%s", c->ctx->server_name);
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client_set_timer (c, on_client_timeout_timer, c->ctx->ping_interval);
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}
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static void
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client_set_ping_timer (struct client *c)
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{
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client_set_timer (c, on_irc_client_ping_timer, c->ctx->ping_interval);
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client_set_timer (c, on_client_ping_timer, c->ctx->ping_interval);
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}
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// --- IRC command handling ----------------------------------------------------
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@ -1045,7 +1036,7 @@ irc_send_reply (struct client *c, int id, ...)
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irc_get_text (c->ctx, id, g_default_replies[id]), ap);
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va_end (ap);
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irc_send_str (c, &tmp);
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client_send_str (c, &tmp);
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str_free (&tmp);
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}
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@ -1132,12 +1123,12 @@ irc_try_finish_registration (struct client *c)
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char *mode = client_get_mode (c);
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if (*mode)
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irc_send (c, ":%s MODE %s :+%s", c->nickname, c->nickname, mode);
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client_send (c, ":%s MODE %s :+%s", c->nickname, c->nickname, mode);
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free (mode);
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hard_assert (c->ssl_cert_fingerprint == NULL);
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if ((c->ssl_cert_fingerprint = client_get_ssl_cert_fingerprint (c)))
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irc_send (c, ":%s NOTICE %s :"
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client_send (c, ":%s NOTICE %s :"
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"Your SSL client certificate fingerprint is %s",
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ctx->server_name, c->nickname, c->ssl_cert_fingerprint);
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}
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||||
|
@ -1173,7 +1164,7 @@ irc_handle_nick (const struct irc_message *msg, struct client *c)
|
|||
{
|
||||
char *message = xstrdup_printf (":%s!%s@%s NICK :%s",
|
||||
c->nickname, c->username, c->hostname, nickname);
|
||||
client_send_to_roommates (c, message);
|
||||
irc_send_to_roommates (c, message);
|
||||
free (message);
|
||||
}
|
||||
|
||||
|
@ -1276,7 +1267,7 @@ irc_handle_ping (const struct irc_message *msg, struct client *c)
|
|||
else if (msg->params.len < 1)
|
||||
irc_send_reply (c, IRC_ERR_NOORIGIN);
|
||||
else
|
||||
irc_send (c, ":%s PONG :%s",
|
||||
client_send (c, ":%s PONG :%s",
|
||||
c->ctx->server_name, msg->params.vector[0]);
|
||||
}
|
||||
|
||||
|
@ -1296,7 +1287,7 @@ irc_handle_quit (const struct irc_message *msg, struct client *c)
|
|||
{
|
||||
char *reason = xstrdup_printf ("Quit: %s",
|
||||
msg->params.len > 0 ? msg->params.vector[0] : c->nickname);
|
||||
irc_close_link (c, reason);
|
||||
client_close_link (c, reason);
|
||||
free (reason);
|
||||
}
|
||||
|
||||
|
@ -1330,7 +1321,7 @@ irc_channel_multicast (struct channel *chan, const char *message,
|
|||
for (struct channel_user *iter = chan->users; iter; iter = iter->next)
|
||||
{
|
||||
if (iter->c != except)
|
||||
irc_send (iter->c, "%s", message);
|
||||
client_send (iter->c, "%s", message);
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -1369,7 +1360,7 @@ irc_update_user_mode (struct client *c, unsigned new_mode)
|
|||
}
|
||||
|
||||
if (diff.len)
|
||||
irc_send (c, ":%s MODE %s :%s",
|
||||
client_send (c, ":%s MODE %s :%s",
|
||||
c->nickname, c->nickname, diff.str);
|
||||
str_free (&diff);
|
||||
}
|
||||
|
@ -1407,7 +1398,7 @@ irc_handle_user_mode_change (struct client *c, const char *mode_string)
|
|||
&& str_map_find (&c->ctx->operators, c->ssl_cert_fingerprint))
|
||||
new_mode |= IRC_USER_MODE_OPERATOR;
|
||||
else
|
||||
irc_send (c, ":%s NOTICE %s :Either you're not using an SSL"
|
||||
client_send (c, ":%s NOTICE %s :Either you're not using an SSL"
|
||||
" client certificate, or the fingerprint doesn't match",
|
||||
c->ctx->server_name, c->nickname);
|
||||
break;
|
||||
|
@ -1736,7 +1727,7 @@ irc_handle_user_message (const struct irc_message *msg, struct client *c,
|
|||
struct client *client = str_map_find (&c->ctx->users, target);
|
||||
if (client)
|
||||
{
|
||||
irc_send (client, ":%s!%s@%s %s %s :%s",
|
||||
client_send (client, ":%s!%s@%s %s %s :%s",
|
||||
c->nickname, c->username, c->hostname, command, target, text);
|
||||
if (allow_away_reply && client->away_message)
|
||||
irc_send_reply (c, IRC_RPL_AWAY, target, client->away_message);
|
||||
|
@ -2143,11 +2134,11 @@ irc_try_part (struct client *c, const char *channel_name, const char *reason)
|
|||
if (!(chan->modes & IRC_CHAN_MODE_QUIET))
|
||||
irc_channel_multicast (chan, message, NULL);
|
||||
else
|
||||
irc_send (c, "%s", message);
|
||||
client_send (c, "%s", message);
|
||||
free (message);
|
||||
|
||||
channel_remove_user (chan, user);
|
||||
channel_destroy_if_empty (c->ctx, chan);
|
||||
irc_channel_destroy_if_empty (c->ctx, chan);
|
||||
}
|
||||
|
||||
static void
|
||||
|
@ -2205,11 +2196,11 @@ irc_try_kick (struct client *c, const char *channel_name, const char *nick,
|
|||
if (!(chan->modes & IRC_CHAN_MODE_QUIET))
|
||||
irc_channel_multicast (chan, message, NULL);
|
||||
else
|
||||
irc_send (c, "%s", message);
|
||||
client_send (c, "%s", message);
|
||||
free (message);
|
||||
|
||||
channel_remove_user (chan, user);
|
||||
channel_destroy_if_empty (c->ctx, chan);
|
||||
irc_channel_destroy_if_empty (c->ctx, chan);
|
||||
}
|
||||
|
||||
static void
|
||||
|
@ -2249,7 +2240,7 @@ irc_try_join (struct client *c, const char *channel_name, const char *key)
|
|||
{
|
||||
if (irc_validate_channel_name (channel_name) != VALIDATION_OK)
|
||||
RETURN_WITH_REPLY (c, IRC_ERR_BADCHANMASK, channel_name);
|
||||
chan = channel_create (c->ctx, channel_name);
|
||||
chan = irc_channel_create (c->ctx, channel_name);
|
||||
user_mode = IRC_CHAN_MODE_OPERATOR;
|
||||
}
|
||||
else if (channel_get_user (chan, c))
|
||||
|
@ -2275,7 +2266,7 @@ irc_try_join (struct client *c, const char *channel_name, const char *key)
|
|||
if (!(chan->modes & IRC_CHAN_MODE_QUIET))
|
||||
irc_channel_multicast (chan, message, NULL);
|
||||
else
|
||||
irc_send (c, "%s", message);
|
||||
client_send (c, "%s", message);
|
||||
free (message);
|
||||
|
||||
irc_send_rpl_topic (c, chan);
|
||||
|
@ -2383,7 +2374,7 @@ irc_handle_kill (const struct irc_message *msg, struct client *c)
|
|||
RETURN_WITH_REPLY (c, IRC_ERR_NOSUCHNICK, msg->params.vector[0]);
|
||||
char *reason = xstrdup_printf ("Killed by %s: %s",
|
||||
c->nickname, msg->params.vector[1]);
|
||||
irc_close_link (target, reason);
|
||||
client_close_link (target, reason);
|
||||
free (reason);
|
||||
}
|
||||
|
||||
|
@ -2684,7 +2675,7 @@ error_ssl_1:
|
|||
}
|
||||
|
||||
static void
|
||||
on_irc_client_ready (const struct pollfd *pfd, void *user_data)
|
||||
on_client_ready (const struct pollfd *pfd, void *user_data)
|
||||
{
|
||||
struct client *c = user_data;
|
||||
if (!c->initialized)
|
||||
|
@ -2735,7 +2726,7 @@ client_update_poller (struct client *c, const struct pollfd *pfd)
|
|||
hard_assert (new_events != 0);
|
||||
if (!pfd || pfd->events != new_events)
|
||||
poller_set (&c->ctx->poller, c->socket_fd, new_events,
|
||||
(poller_dispatcher_func) on_irc_client_ready, c);
|
||||
(poller_dispatcher_func) on_client_ready, c);
|
||||
}
|
||||
|
||||
static void
|
||||
|
@ -2794,7 +2785,7 @@ on_irc_client_available (const struct pollfd *pfd, void *user_data)
|
|||
}
|
||||
}
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// --- Application setup -------------------------------------------------------
|
||||
|
||||
static int
|
||||
irc_ssl_verify_callback (int verify_ok, X509_STORE_CTX *ctx)
|
||||
|
@ -3107,6 +3098,8 @@ irc_setup_listen_fds (struct server_context *ctx, struct error **e)
|
|||
return true;
|
||||
}
|
||||
|
||||
// --- Main --------------------------------------------------------------------
|
||||
|
||||
static void
|
||||
on_signal_pipe_readable (const struct pollfd *fd, struct server_context *ctx)
|
||||
{
|
||||
|
|
Loading…
Reference in New Issue