degesch: parse more of RPL_ISUPPORT
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81aff58f73
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2242724c34
132
degesch.c
132
degesch.c
@ -1035,11 +1035,6 @@ struct server
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// IRC:
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// TODO: casemapping-specific strxfrm and/or tolower (CASEMAPPING=rfc1459)
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// TODO: channel name prefixes (CHANTYPES=#& + IDCHAN)
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char *irc_channel_prefixes; ///< Channel user prefixes
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char *irc_channel_modes; ///< Channel user modes
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struct str_map irc_users; ///< IRC user data
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struct str_map irc_channels; ///< IRC channel data
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struct str_map irc_buffer_map; ///< Maps IRC identifiers to buffers
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@ -1048,6 +1043,22 @@ struct server
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char *irc_user_mode; ///< Our current user mode
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char *irc_user_host; ///< Our current user@host
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// Server-specific information (from RPL_ISUPPORT):
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// TODO: implement a generic strcmp() on top of "irc_tolower"
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/// Convert an IRC identifier character to lower-case
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int (*irc_tolower) (int);
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/// Key conversion function for hashmap lookups
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size_t (*irc_strxfrm) (char *, const char *, size_t);
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char *irc_chantypes; ///< Channel types (name prefixes)
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char *irc_idchan_prefixes; ///< Prefixes for "safe channels"
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char *irc_statusmsg; ///< Prefixes for channel targets
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char *irc_chanuser_prefixes; ///< Channel user prefixes
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char *irc_chanuser_modes; ///< Channel user modes
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// Events:
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struct poller_timer ping_tmr; ///< We should send a ping
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@ -1068,9 +1079,16 @@ server_init (struct server *self, struct poller *poller)
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str_init (&self->read_buffer);
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self->state = IRC_DISCONNECTED;
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// RFC 1459 as per the RPL_ISUPPORT draft
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self->irc_channel_prefixes = xstrdup ("@+");
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self->irc_channel_modes = xstrdup ("ov");
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// Defaults as per the RPL_ISUPPORT draft
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self->irc_tolower = irc_tolower;
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self->irc_strxfrm = irc_strxfrm;
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self->irc_chantypes = xstrdup ("#&");
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self->irc_idchan_prefixes = xstrdup ("");
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self->irc_statusmsg = xstrdup ("");
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self->irc_chanuser_prefixes = xstrdup ("@+");
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self->irc_chanuser_modes = xstrdup ("ov");
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str_map_init (&self->irc_users);
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self->irc_users.key_xfrm = irc_strxfrm;
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@ -1119,8 +1137,12 @@ server_free (struct server *self)
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free (self->irc_user_mode);
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free (self->irc_user_host);
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free (self->irc_channel_prefixes);
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free (self->irc_channel_modes);
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free (self->irc_chantypes);
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free (self->irc_idchan_prefixes);
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free (self->irc_statusmsg);
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free (self->irc_chanuser_prefixes);
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free (self->irc_chanuser_modes);
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str_map_free (&self->irc_users);
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str_map_free (&self->irc_channels);
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@ -3731,7 +3753,6 @@ irc_is_highlight (struct server *s, const char *message)
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// --- Input handling ----------------------------------------------------------
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// TODO: we will need a proper mode parser; to be shared with kike
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// TODO: we alse definitely need to parse server capability messages
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static void
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irc_handle_join (struct server *s, const struct irc_message *msg)
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@ -4430,7 +4451,7 @@ irc_process_names (struct server *s, struct channel *channel)
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for (size_t i = 0; i < updates->len; i++)
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{
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const char *item = updates->vector[i];
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const char *nick = item + strspn (item, s->irc_channel_modes);
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const char *nick = item + strspn (item, s->irc_chanuser_modes);
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struct channel_user *channel_user = str_map_find (&map, nick);
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if (!channel_user)
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{
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@ -4479,11 +4500,72 @@ irc_handle_isupport_prefix (struct server *s, char *value)
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if (*modes++ != '(' || !prefixes++ || strlen (value) != 2 * n_prefixes--)
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return;
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free (s->irc_channel_modes);
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free (s->irc_channel_prefixes);
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free (s->irc_chanuser_modes);
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free (s->irc_chanuser_prefixes);
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s->irc_channel_modes = xstrndup (modes, n_prefixes);
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s->irc_channel_prefixes = xstrndup (prefixes, n_prefixes);
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s->irc_chanuser_modes = xstrndup (modes, n_prefixes);
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s->irc_chanuser_prefixes = xstrndup (prefixes, n_prefixes);
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}
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static void
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irc_handle_isupport_casemapping (struct server *s, char *value)
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{
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// TODO: reinitialize hashtables with the new tolower() and strxfrm(),
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// note that collisions may arise on reconnecting
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if (!strcmp (value, "ascii"))
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{
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s->irc_tolower = tolower_ascii;
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s->irc_strxfrm = tolower_ascii_strxfrm;
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}
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else if (!strcmp (value, "rfc1459"))
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{
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s->irc_tolower = irc_tolower;
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s->irc_strxfrm = irc_strxfrm;
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}
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else if (!strcmp (value, "rfc1459-strict"))
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{
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// TODO: implement
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s->irc_tolower = irc_tolower;
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s->irc_strxfrm = irc_strxfrm;
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}
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}
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static void
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irc_handle_isupport_chantypes (struct server *s, char *value)
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{
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free (s->irc_chantypes);
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s->irc_chantypes = xstrdup (value);
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}
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static void
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irc_handle_isupport_idchan (struct server *s, char *value)
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{
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struct str prefixes;
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str_init (&prefixes);
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struct str_vector v;
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str_vector_init (&v);
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split_str_ignore_empty (value, ',', &v);
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for (size_t i = 0; i < v.len; i++)
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{
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// Not using or validating the numeric part
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const char *pair = v.vector[i];
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const char *colon = strchr (pair, ':');
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if (colon)
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str_append_data (&prefixes, pair, colon - pair);
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}
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str_vector_free (&v);
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free (s->irc_idchan_prefixes);
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s->irc_idchan_prefixes = str_steal (&prefixes);
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}
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static void
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irc_handle_isupport_statusmsg (struct server *s, char *value)
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{
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free (s->irc_statusmsg);
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s->irc_statusmsg = xstrdup (value);
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}
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static void
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@ -4522,14 +4604,22 @@ irc_handle_rpl_isupport (struct server *s, const struct irc_message *msg)
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str_init (&value_unescaped);
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unescape_isupport_value (value, &value_unescaped);
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if (!strcmp (param, "PREFIX"))
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irc_handle_isupport_prefix (s, value_unescaped.str);
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if (!strcmp (param, "PREFIX"))
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irc_handle_isupport_prefix (s, value_unescaped.str);
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else if (!strcmp (param, "CASEMAPPING"))
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irc_handle_isupport_casemapping (s, value_unescaped.str);
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else if (!strcmp (param, "CHANTYPES"))
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irc_handle_isupport_chantypes (s, value_unescaped.str);
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else if (!strcmp (param, "IDCHAN"))
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irc_handle_isupport_idchan (s, value_unescaped.str);
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else if (!strcmp (param, "STATUSMSG"))
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irc_handle_isupport_statusmsg (s, value_unescaped.str);
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// TODO: also parse MODES, TARGMAX, CHANMODES and make use of them
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// to split client commands as necessary
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str_free (&value_unescaped);
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}
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// TODO: initialize key_strxfrm according to server properties;
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// note that collisions may arise on reconnecting
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}
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static void
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