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Handle CAP requests from clients, reply with no capabilities

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This commit is contained in:
Loïc Gomez 2024-02-04 22:45:22 +09:00
parent 7ab58b5b72
commit e382d31b67
1 changed files with 27 additions and 0 deletions
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27
src/irc.c
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@ -1030,6 +1030,31 @@ static int irc_cli_pass(bip_t *bip, struct link_client *ic, struct line *line)
return OK_FORGET;
}
static int irc_cli_cap(bip_t *bip, struct link_client *ic, struct line *line)
{
if (irc_line_count(line) < 2)
return ERR_PROTOCOL;
/* When we decide to enable actual capabilities, we'll have to handle CAP
* version, add a flag cap_started or similar, and handle CAP END.
*/
if (irc_line_elem_equals(line, 1, "LS")) {
WRITE_LINE2(CONN(ic), NULL, "CAP", "*", "LS");
} else if (irc_line_elem_equals(line, 1, "LIST")) {
WRITE_LINE3(CONN(ic), NULL, "CAP", "*", "LIST", "");
} else if (irc_line_elem_equals(line, 1, "REQ")) {
char *caps = irc_line_to_string_skip(line, 2);
if (caps) {
caps++;
WRITE_LINE3(CONN(ic), NULL, "CAP", "*", "NAK", caps);
}
}
if ((ic->state & IRCC_READY) == IRCC_READY)
return irc_cli_startup(bip, ic, line);
return OK_FORGET;
}
static int irc_cli_quit(struct link_client *ic, struct line *line)
{
(void)ic;
@ -1408,6 +1433,8 @@ static int irc_dispatch_logging_client(bip_t *bip, struct link_client *ic,
return irc_cli_user(bip, ic, line);
} else if (irc_line_elem_equals(line, 0, "PASS")) {
return irc_cli_pass(bip, ic, line);
} else if (irc_line_elem_equals(line, 0, "CAP")) {
return irc_cli_cap(bip, ic, line);
}
return OK_FORGET;
}