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Fix group whispering for duplicate nicks

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If a group has numerous peers with the same nick we now require
their public key in order to send a private message. Previously
we would greedily send the message to the first peer
in the list.
This commit is contained in:
jfreegman 2022-10-06 14:16:16 -04:00
parent 57a439c9b4
commit 398aecdd92
No known key found for this signature in database
GPG Key ID: 3627F3144076AE63
1 changed files with 26 additions and 5 deletions
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31
src/groupchats.c
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@ -475,6 +475,10 @@ static int group_get_nick_peer_id(uint32_t groupnumber, const char *nick, uint32
return -1; return -1;
} }
if (nick == NULL) {
return -1;
}
size_t count = 0; size_t count = 0;
for (uint32_t i = 0; i < chat->max_idx; ++i) { for (uint32_t i = 0; i < chat->max_idx; ++i) {
@ -493,7 +497,7 @@ static int group_get_nick_peer_id(uint32_t groupnumber, const char *nick, uint32
} }
} }
return 0; return count > 0 ? 0 : -1;
} }
/* Gets the peer_id associated with `public_key`. /* Gets the peer_id associated with `public_key`.
@ -509,9 +513,17 @@ int group_get_public_key_peer_id(uint32_t groupnumber, const char *public_key, u
return -1; return -1;
} }
if (public_key == NULL) {
return -1;
}
if (strlen(public_key) < TOX_GROUP_PEER_PUBLIC_KEY_SIZE * 2) {
return -1;
}
char key_bin[TOX_GROUP_PEER_PUBLIC_KEY_SIZE]; char key_bin[TOX_GROUP_PEER_PUBLIC_KEY_SIZE];
if (tox_pk_string_to_bytes(public_key, strlen(public_key), key_bin, sizeof(key_bin)) == -1) { if (tox_pk_string_to_bytes(public_key, TOX_GROUP_PEER_PUBLIC_KEY_SIZE * 2, key_bin, sizeof(key_bin)) == -1) {
return -1; return -1;
} }
@ -1415,7 +1427,6 @@ static void send_group_prvt_message(ToxWindow *self, Tox *m, uint32_t groupnumbe
return; return;
} }
uint32_t peer_id = 0;
uint32_t name_length = 0; uint32_t name_length = 0;
const char *nick = NULL; const char *nick = NULL;
@ -1433,13 +1444,23 @@ static void send_group_prvt_message(ToxWindow *self, Tox *m, uint32_t groupnumbe
if (chat->peer_list[i].name_length > name_length) { if (chat->peer_list[i].name_length > name_length) {
name_length = chat->peer_list[i].name_length; name_length = chat->peer_list[i].name_length;
nick = chat->peer_list[i].name; nick = chat->peer_list[i].name;
peer_id = chat->peer_list[i].peer_id;
} }
} }
} }
if (nick == NULL) { if (nick == NULL) {
line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Invalid peer name."); if (data_len < TOX_GROUP_PEER_PUBLIC_KEY_SIZE * 2) {
line_info_add(self, false, NULL, NULL, SYS_MSG, 0, 0, "Invalid nick.");
return;
}
nick = data;
name_length = TOX_GROUP_PEER_PUBLIC_KEY_SIZE * 2;
}
uint32_t peer_id;
if (group_get_peer_id_of_identifier(self, nick, &peer_id) != 0) {
return; return;
} }