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Allow empty names and status messages.

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irungentoo 2015-02-16 20:25:44 -05:00
parent 7e2839e2d8
commit 8532dc8ae7
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GPG Key ID: 10349DC9BED89E98
3 changed files with 25 additions and 20 deletions
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31
toxcore/Messenger.c
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@ -204,8 +204,7 @@ static int32_t init_new_friend(Messenger *m, const uint8_t *real_pk, uint8_t sta
m->friendlist[i].friendcon_id = friendcon_id;
m->friendlist[i].friendrequest_lastsent = 0;
id_copy(m->friendlist[i].real_pk, real_pk);
m->friendlist[i].statusmessage = calloc(1, 1);
m->friendlist[i].statusmessage_length = 1;
m->friendlist[i].statusmessage_length = 0;
m->friendlist[i].userstatus = USERSTATUS_NONE;
m->friendlist[i].avatar_info_sent = 0;
m->friendlist[i].avatar_recv_data = NULL;
@ -334,7 +333,6 @@ int m_delfriend(Messenger *m, int32_t friendnumber)
if (m->friendlist[friendnumber].status == FRIEND_ONLINE)
remove_online_friend(m, friendnumber);
free(m->friendlist[friendnumber].statusmessage);
free(m->friendlist[friendnumber].avatar_recv_data);
remove_request_received(&(m->fr), m->friendlist[friendnumber].real_pk);
friend_connection_callbacks(m->fr_c, m->friendlist[friendnumber].friendcon_id, MESSENGER_CALLBACK_INDEX, 0, 0, 0, 0, 0);
@ -451,7 +449,7 @@ uint32_t m_sendaction_withid(const Messenger *m, int32_t friendnumber, uint32_t
*/
static int m_sendname(const Messenger *m, int32_t friendnumber, const uint8_t *name, uint16_t length)
{
if (length > MAX_NAME_LENGTH || length == 0)
if (length > MAX_NAME_LENGTH)
return 0;
return write_cryptpacket_id(m, friendnumber, PACKET_ID_NICKNAME, name, length, 0);
@ -485,13 +483,15 @@ int setfriendname(Messenger *m, int32_t friendnumber, const uint8_t *name, uint1
*/
int setname(Messenger *m, const uint8_t *name, uint16_t length)
{
if (length > MAX_NAME_LENGTH || length == 0)
if (length > MAX_NAME_LENGTH)
return -1;
if (m->name_length == length && memcmp(name, m->name, length) == 0)
if (m->name_length == length && (length == 0 || memcmp(name, m->name, length) == 0))
return 0;
if (length)
memcpy(m->name, name, length);
m->name_length = length;
uint32_t i;
@ -550,10 +550,12 @@ int m_set_statusmessage(Messenger *m, const uint8_t *status, uint16_t length)
if (length > MAX_STATUSMESSAGE_LENGTH)
return -1;
if (m->statusmessage_length == length && memcmp(m->statusmessage, status, length) == 0)
if (m->statusmessage_length == length && (length == 0 || memcmp(m->statusmessage, status, length) == 0))
return 0;
if (length)
memcpy(m->statusmessage, status, length);
m->statusmessage_length = length;
uint32_t i;
@ -859,10 +861,12 @@ static int set_friend_statusmessage(const Messenger *m, int32_t friendnumber, co
if (friend_not_valid(m, friendnumber))
return -1;
uint8_t *newstatus = calloc(length + 1, 1);
memcpy(newstatus, status, length);
free(m->friendlist[friendnumber].statusmessage);
m->friendlist[friendnumber].statusmessage = newstatus;
if (length > MAX_STATUSMESSAGE_LENGTH)
return -1;
if (length)
memcpy(m->friendlist[friendnumber].statusmessage, status, length);
m->friendlist[friendnumber].statusmessage_length = length;
return 0;
}
@ -1632,7 +1636,6 @@ void kill_messenger(Messenger *m)
kill_networking(m->net);
for (i = 0; i < m->numfriends; ++i) {
free(m->friendlist[i].statusmessage);
free(m->friendlist[i].avatar_recv_data);
}
@ -1990,7 +1993,7 @@ static int handle_packet(void *object, int i, uint8_t *temp, uint16_t len)
}
case PACKET_ID_NICKNAME: {
if (data_length > MAX_NAME_LENGTH || data_length == 0)
if (data_length > MAX_NAME_LENGTH)
break;
/* Make sure the NULL terminator is present. */
@ -2009,7 +2012,7 @@ static int handle_packet(void *object, int i, uint8_t *temp, uint16_t len)
}
case PACKET_ID_STATUSMESSAGE: {
if (data_length == 0 || data_length > MAX_STATUSMESSAGE_LENGTH)
if (data_length > MAX_STATUSMESSAGE_LENGTH)
break;
/* Make sure the NULL terminator is present. */

2
toxcore/Messenger.h
View File

@ -201,7 +201,7 @@ typedef struct {
uint8_t name[MAX_NAME_LENGTH];
uint16_t name_length;
uint8_t name_sent; // 0 if we didn't send our name to this friend 1 if we have.
uint8_t *statusmessage;
uint8_t statusmessage[MAX_STATUSMESSAGE_LENGTH];
uint16_t statusmessage_length;
uint8_t statusmessage_sent;
USERSTATUS userstatus;

6
toxcore/group.c
View File

@ -518,7 +518,7 @@ static int delpeer(Group_Chats *g_c, int groupnumber, int peer_index)
static int setnick(Group_Chats *g_c, int groupnumber, int peer_index, const uint8_t *nick, uint16_t nick_len)
{
if (nick_len > MAX_NAME_LENGTH || nick_len == 0)
if (nick_len > MAX_NAME_LENGTH)
return -1;
Group_c *g = get_group_c(g_c, groupnumber);
@ -528,10 +528,12 @@ static int setnick(Group_Chats *g_c, int groupnumber, int peer_index, const uint
/* same name as already stored? */
if (g->group[peer_index].nick_len == nick_len)
if (!memcmp(g->group[peer_index].nick, nick, nick_len))
if (nick_len == 0 || !memcmp(g->group[peer_index].nick, nick, nick_len))
return 0;
if (nick_len)
memcpy(g->group[peer_index].nick, nick, nick_len);
g->group[peer_index].nick_len = nick_len;
if (g_c->peer_namelistchange)