Bump liberty
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2e44af621d
commit
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2
liberty
2
liberty
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@ -1 +1 @@
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Subproject commit 087645848baec5e59e4296817850bd5dd240cbb2
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Subproject commit 8c6d18757d2d4135963f3dbab6d2d5ec8c8b6af3
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174
plugins/irc.c
174
plugins/irc.c
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@ -18,181 +18,13 @@
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*
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*/
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#define LIBERTY_WANT_PROTO_IRC
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#include "config.h"
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#include "../liberty/liberty.c"
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#include "../plugin-api.h"
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// --- IRC utilities -----------------------------------------------------------
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struct irc_message
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{
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struct str_map tags; ///< IRC 3.2 message tags
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char *prefix; ///< Message prefix
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char *command; ///< IRC command
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struct str_vector params; ///< Command parameters
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};
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static void
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irc_parse_message_tags (const char *tags, struct str_map *out)
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{
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struct str_vector v;
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str_vector_init (&v);
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split_str_ignore_empty (tags, ';', &v);
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for (size_t i = 0; i < v.len; i++)
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{
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char *key = v.vector[i], *equal_sign = strchr (key, '=');
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if (equal_sign)
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{
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*equal_sign = '\0';
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str_map_set (out, key, xstrdup (equal_sign + 1));
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}
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else
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str_map_set (out, key, xstrdup (""));
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}
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str_vector_free (&v);
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}
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static void
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irc_parse_message (struct irc_message *msg, const char *line)
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{
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str_map_init (&msg->tags);
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msg->tags.free = free;
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msg->prefix = NULL;
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msg->command = NULL;
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str_vector_init (&msg->params);
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// IRC 3.2 message tags
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if (*line == '@')
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{
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size_t tags_len = strcspn (++line, " ");
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char *tags = xstrndup (line, tags_len);
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irc_parse_message_tags (tags, &msg->tags);
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free (tags);
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line += tags_len;
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while (*line == ' ')
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line++;
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}
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// Prefix
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if (*line == ':')
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{
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size_t prefix_len = strcspn (++line, " ");
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msg->prefix = xstrndup (line, prefix_len);
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line += prefix_len;
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}
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// Command name
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{
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while (*line == ' ')
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line++;
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size_t cmd_len = strcspn (line, " ");
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msg->command = xstrndup (line, cmd_len);
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line += cmd_len;
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}
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// Arguments
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while (true)
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{
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while (*line == ' ')
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line++;
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if (*line == ':')
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{
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str_vector_add (&msg->params, ++line);
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break;
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}
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size_t param_len = strcspn (line, " ");
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if (!param_len)
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break;
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str_vector_add_owned (&msg->params, xstrndup (line, param_len));
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line += param_len;
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}
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}
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static void
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irc_free_message (struct irc_message *msg)
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{
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str_map_free (&msg->tags);
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free (msg->prefix);
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free (msg->command);
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str_vector_free (&msg->params);
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}
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static void
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irc_process_buffer (struct str *buf,
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void (*callback)(const struct irc_message *, const char *, void *),
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void *user_data)
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{
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char *start = buf->str, *end = start + buf->len;
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for (char *p = start; p + 1 < end; p++)
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{
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// Split the input on newlines
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if (p[0] != '\r' || p[1] != '\n')
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continue;
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*p = 0;
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struct irc_message msg;
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irc_parse_message (&msg, start);
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callback (&msg, start, user_data);
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irc_free_message (&msg);
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start = p + 2;
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}
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// XXX: we might want to just advance some kind of an offset to avoid
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// moving memory around unnecessarily.
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str_remove_slice (buf, 0, start - buf->str);
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}
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static int
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irc_tolower (int c)
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{
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if (c == '[') return '{';
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if (c == ']') return '}';
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if (c == '\\') return '|';
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if (c == '~') return '^';
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return c >= 'A' && c <= 'Z' ? c + ('a' - 'A') : c;
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}
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static size_t
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irc_strxfrm (char *dest, const char *src, size_t n)
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{
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size_t len = strlen (src);
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while (n-- && (*dest++ = irc_tolower (*src++)))
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;
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return len;
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}
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static int
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irc_strcmp (const char *a, const char *b)
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{
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int x;
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while (*a || *b)
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if ((x = irc_tolower (*a++) - irc_tolower (*b++)))
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return x;
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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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// --- Other selected IRC stuff ------------------------------------------------
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// --- Selected IRC stuff ------------------------------------------------------
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#define IRC_MAX_NICKNAME 9 ///< The limit from RFC 2812
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