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styling

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haven't fixed switch statements because I'm lazy
This commit is contained in:
sometwo 2013-07-26 19:17:24 -03:00
parent bd48ef52ec
commit db8d47dccb
1 changed files with 9 additions and 85 deletions
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94
core/Messenger.c
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@ -60,16 +60,12 @@ static uint32_t numfriends;
int getfriend_id(uint8_t * client_id) int getfriend_id(uint8_t * client_id)
{ {
uint32_t i; uint32_t i;
for(i = 0; i < numfriends; ++i) for(i = 0; i < numfriends; ++i)
{
if(friendlist[i].status > 0) if(friendlist[i].status > 0)
{
if(memcmp(client_id, friendlist[i].client_id, crypto_box_PUBLICKEYBYTES) == 0) if(memcmp(client_id, friendlist[i].client_id, crypto_box_PUBLICKEYBYTES) == 0)
{
return i; return i;
}
}
}
return -1; return -1;
} }
@ -80,15 +76,13 @@ int getfriend_id(uint8_t * client_id)
int getclient_id(int friend_id, uint8_t * client_id) int getclient_id(int friend_id, uint8_t * client_id)
{ {
if(friend_id >= numfriends || friend_id < 0) if(friend_id >= numfriends || friend_id < 0)
{
return -1; return -1;
}
if(friendlist[friend_id].status > 0) if(friendlist[friend_id].status > 0) {
{
memcpy(client_id, friendlist[friend_id].client_id, CLIENT_ID_SIZE); memcpy(client_id, friendlist[friend_id].client_id, CLIENT_ID_SIZE);
return 0; return 0;
} }
return -1; return -1;
} }
@ -102,17 +96,11 @@ int m_addfriend(uint8_t * client_id, uint8_t * data, uint16_t length)
{ {
if(length == 0 || length >= if(length == 0 || length >=
(MAX_DATA_SIZE - crypto_box_PUBLICKEYBYTES - crypto_box_NONCEBYTES - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES)) (MAX_DATA_SIZE - crypto_box_PUBLICKEYBYTES - crypto_box_NONCEBYTES - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES))
{
return -1; return -1;
}
if(memcmp(client_id, self_public_key, crypto_box_PUBLICKEYBYTES) == 0) if(memcmp(client_id, self_public_key, crypto_box_PUBLICKEYBYTES) == 0)
{
return -1; return -1;
}
if(getfriend_id(client_id) != -1) if(getfriend_id(client_id) != -1)
{
return -1; return -1;
}
uint32_t i; uint32_t i;
for(i = 0; i <= numfriends; ++i) for(i = 0; i <= numfriends; ++i)
{ {
@ -138,9 +126,7 @@ int m_addfriend(uint8_t * client_id, uint8_t * data, uint16_t length)
int m_addfriend_norequest(uint8_t * client_id) int m_addfriend_norequest(uint8_t * client_id)
{ {
if(getfriend_id(client_id) != -1) if(getfriend_id(client_id) != -1)
{
return -1; return -1;
}
uint32_t i; uint32_t i;
for(i = 0; i <= numfriends; ++i) for(i = 0; i <= numfriends; ++i)
{ {
@ -166,9 +152,7 @@ int m_addfriend_norequest(uint8_t * client_id)
int m_delfriend(int friendnumber) int m_delfriend(int friendnumber)
{ {
if(friendnumber >= numfriends || friendnumber < 0) if(friendnumber >= numfriends || friendnumber < 0)
{
return -1; return -1;
}
DHT_delfriend(friendlist[friendnumber].client_id); DHT_delfriend(friendlist[friendnumber].client_id);
crypto_kill(friendlist[friendnumber].crypt_connection_id); crypto_kill(friendlist[friendnumber].crypt_connection_id);
@ -176,12 +160,8 @@ int m_delfriend(int friendnumber)
memset(&friendlist[friendnumber], 0, sizeof(Friend)); memset(&friendlist[friendnumber], 0, sizeof(Friend));
uint32_t i; uint32_t i;
for(i = numfriends; i != 0; --i) for(i = numfriends; i != 0; --i)
{
if(friendlist[i].status != 0) if(friendlist[i].status != 0)
{
break; break;
}
}
numfriends = i; numfriends = i;
return 0; return 0;
} }
@ -194,9 +174,7 @@ int m_delfriend(int friendnumber)
int m_friendstatus(int friendnumber) int m_friendstatus(int friendnumber)
{ {
if(friendnumber < 0 || friendnumber >= MAX_NUM_FRIENDS) if(friendnumber < 0 || friendnumber >= MAX_NUM_FRIENDS)
{
return 0; return 0;
}
return friendlist[friendnumber].status; return friendlist[friendnumber].status;
} }
@ -206,14 +184,10 @@ int m_friendstatus(int friendnumber)
int m_sendmessage(int friendnumber, uint8_t * message, uint32_t length) int m_sendmessage(int friendnumber, uint8_t * message, uint32_t length)
{ {
if(friendnumber < 0 || friendnumber >= MAX_NUM_FRIENDS) if(friendnumber < 0 || friendnumber >= MAX_NUM_FRIENDS)
{
return 0; return 0;
}
if(length >= MAX_DATA_SIZE || friendlist[friendnumber].status != 4) if(length >= MAX_DATA_SIZE || friendlist[friendnumber].status != 4)
/* this does not mean the maximum message length is MAX_DATA_SIZE - 1, it is actually 17 bytes less. */ /* this does not mean the maximum message length is MAX_DATA_SIZE - 1, it is actually 17 bytes less. */
{
return 0; return 0;
}
uint8_t temp[MAX_DATA_SIZE]; uint8_t temp[MAX_DATA_SIZE];
temp[0] = PACKET_ID_MESSAGE; temp[0] = PACKET_ID_MESSAGE;
memcpy(temp + 1, message, length); memcpy(temp + 1, message, length);
@ -235,9 +209,7 @@ static int m_sendname(int friendnumber, uint8_t * name)
static int setfriendname(int friendnumber, uint8_t * name) static int setfriendname(int friendnumber, uint8_t * name)
{ {
if(friendnumber >= numfriends || friendnumber < 0) if(friendnumber >= numfriends || friendnumber < 0)
{
return -1; return -1;
}
memcpy(friendlist[friendnumber].name, name, MAX_NAME_LENGTH); memcpy(friendlist[friendnumber].name, name, MAX_NAME_LENGTH);
return 0; return 0;
} }
@ -249,15 +221,11 @@ static int setfriendname(int friendnumber, uint8_t * name)
int setname(uint8_t * name, uint16_t length) int setname(uint8_t * name, uint16_t length)
{ {
if(length > MAX_NAME_LENGTH) if(length > MAX_NAME_LENGTH)
{
return -1; return -1;
}
memcpy(self_name, name, length); memcpy(self_name, name, length);
uint32_t i; uint32_t i;
for(i = 0; i < numfriends; ++i) for(i = 0; i < numfriends; ++i)
{
friendlist[i].name_sent = 0; friendlist[i].name_sent = 0;
}
return 0; return 0;
} }
@ -269,9 +237,7 @@ int setname(uint8_t * name, uint16_t length)
int getname(int friendnumber, uint8_t * name) int getname(int friendnumber, uint8_t * name)
{ {
if(friendnumber >= numfriends || friendnumber < 0) if(friendnumber >= numfriends || friendnumber < 0)
{
return -1; return -1;
}
memcpy(name, friendlist[friendnumber].name, MAX_NAME_LENGTH); memcpy(name, friendlist[friendnumber].name, MAX_NAME_LENGTH);
return 0; return 0;
} }
@ -279,9 +245,7 @@ int getname(int friendnumber, uint8_t * name)
int m_set_userstatus(uint8_t *status, uint16_t length) int m_set_userstatus(uint8_t *status, uint16_t length)
{ {
if(length > MAX_USERSTATUS_LENGTH) if(length > MAX_USERSTATUS_LENGTH)
{
return -1; return -1;
}
uint8_t *newstatus = calloc(length, 1); uint8_t *newstatus = calloc(length, 1);
memcpy(newstatus, status, length); memcpy(newstatus, status, length);
free(self_userstatus); free(self_userstatus);
@ -290,9 +254,7 @@ int m_set_userstatus(uint8_t *status, uint16_t length)
uint32_t i; uint32_t i;
for(i = 0; i < numfriends; ++i) for(i = 0; i < numfriends; ++i)
{
friendlist[i].userstatus_sent = 0; friendlist[i].userstatus_sent = 0;
}
return 0; return 0;
} }
@ -301,9 +263,7 @@ int m_set_userstatus(uint8_t *status, uint16_t length)
int m_get_userstatus_size(int friendnumber) int m_get_userstatus_size(int friendnumber)
{ {
if(friendnumber >= numfriends || friendnumber < 0) if(friendnumber >= numfriends || friendnumber < 0)
{
return -1; return -1;
}
return friendlist[friendnumber].userstatus_length; return friendlist[friendnumber].userstatus_length;
} }
@ -312,9 +272,7 @@ int m_get_userstatus_size(int friendnumber)
int m_copy_userstatus(int friendnumber, uint8_t * buf, uint32_t maxlen) int m_copy_userstatus(int friendnumber, uint8_t * buf, uint32_t maxlen)
{ {
if(friendnumber >= numfriends || friendnumber < 0) if(friendnumber >= numfriends || friendnumber < 0)
{
return -1; return -1;
}
memset(buf, 0, maxlen); memset(buf, 0, maxlen);
memcpy(buf, friendlist[friendnumber].userstatus, MIN(maxlen, MAX_USERSTATUS_LENGTH) - 1); memcpy(buf, friendlist[friendnumber].userstatus, MIN(maxlen, MAX_USERSTATUS_LENGTH) - 1);
return 0; return 0;
@ -333,9 +291,7 @@ static int send_userstatus(int friendnumber, uint8_t * status, uint16_t length)
static int set_friend_userstatus(int friendnumber, uint8_t * status, uint16_t length) static int set_friend_userstatus(int friendnumber, uint8_t * status, uint16_t length)
{ {
if(friendnumber >= numfriends || friendnumber < 0) if(friendnumber >= numfriends || friendnumber < 0)
{
return -1; return -1;
}
uint8_t *newstatus = calloc(length, 1); uint8_t *newstatus = calloc(length, 1);
memcpy(newstatus, status, length); memcpy(newstatus, status, length);
free(friendlist[friendnumber].userstatus); free(friendlist[friendnumber].userstatus);
@ -344,10 +300,8 @@ static int set_friend_userstatus(int friendnumber, uint8_t * status, uint16_t le
return 0; return 0;
} }
/* /* static void (*friend_request)(uint8_t *, uint8_t *, uint16_t);
static void (*friend_request)(uint8_t *, uint8_t *, uint16_t); static uint8_t friend_request_isset = 0; */
static uint8_t friend_request_isset = 0;
*/
/* set the function that will be executed when a friend request is received. */ /* set the function that will be executed when a friend request is received. */
void m_callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t)) void m_callback_friendrequest(void (*function)(uint8_t *, uint8_t *, uint16_t))
{ {
@ -406,16 +360,12 @@ static void doFriends()
if(friendlist[i].status == 1) if(friendlist[i].status == 1)
{ {
int fr = send_friendrequest(friendlist[i].client_id, friendlist[i].info, friendlist[i].info_size); int fr = send_friendrequest(friendlist[i].client_id, friendlist[i].info, friendlist[i].info_size);
if(fr == 0)/*TODO: This needs to be fixed so that it sends the friend requests a couple of times in case if(fr == 0) /* TODO: This needs to be fixed so that it sends the friend requests a couple of times in case
of packet loss*/ of packet loss */
{
friendlist[i].status = 2; friendlist[i].status = 2;
}
else else
if(fr > 0) if(fr > 0)
{
friendlist[i].status = 2; friendlist[i].status = 2;
}
} }
if(friendlist[i].status == 2 || friendlist[i].status == 3) /* friend is not online */ if(friendlist[i].status == 2 || friendlist[i].status == 3) /* friend is not online */
{ {
@ -425,12 +375,10 @@ static void doFriends()
{ {
send_friendrequest(friendlist[i].client_id, friendlist[i].info, friendlist[i].info_size); send_friendrequest(friendlist[i].client_id, friendlist[i].info, friendlist[i].info_size);
friendlist[i].friend_request_id = unix_time(); friendlist[i].friend_request_id = unix_time();
} }
} }
IP_Port friendip = DHT_getfriendip(friendlist[i].client_id); IP_Port friendip = DHT_getfriendip(friendlist[i].client_id);
switch(is_cryptoconnected(friendlist[i].crypt_connection_id)) switch(is_cryptoconnected(friendlist[i].crypt_connection_id)) {
{
case 0: case 0:
if (friendip.ip.i > 1) if (friendip.ip.i > 1)
friendlist[i].crypt_connection_id = crypto_connect(friendlist[i].client_id, friendip); friendlist[i].crypt_connection_id = crypto_connect(friendlist[i].client_id, friendip);
@ -449,19 +397,11 @@ static void doFriends()
while(friendlist[i].status == 4) /* friend is online */ while(friendlist[i].status == 4) /* friend is online */
{ {
if(friendlist[i].name_sent == 0) if(friendlist[i].name_sent == 0)
{
if(m_sendname(i, self_name)) if(m_sendname(i, self_name))
{
friendlist[i].name_sent = 1; friendlist[i].name_sent = 1;
}
}
if(friendlist[i].userstatus_sent == 0) if(friendlist[i].userstatus_sent == 0)
{
if(send_userstatus(i, self_userstatus, self_userstatus_len)) if(send_userstatus(i, self_userstatus, self_userstatus_len))
{
friendlist[i].userstatus_sent = 1; friendlist[i].userstatus_sent = 1;
}
}
len = read_cryptpacket(friendlist[i].crypt_connection_id, temp); len = read_cryptpacket(friendlist[i].crypt_connection_id, temp);
if(len > 0) if(len > 0)
{ {
@ -489,9 +429,7 @@ static void doFriends()
} }
case PACKET_ID_MESSAGE: { case PACKET_ID_MESSAGE: {
if(friend_message_isset) if(friend_message_isset)
{
(*friend_message)(i, temp + 1, len - 1); (*friend_message)(i, temp + 1, len - 1);
}
break; break;
} }
} }
@ -559,14 +497,10 @@ void doMessenger()
/* { */ /* { */
if(DHT_handlepacket(data, length, ip_port) && LosslessUDP_handlepacket(data, length, ip_port) && if(DHT_handlepacket(data, length, ip_port) && LosslessUDP_handlepacket(data, length, ip_port) &&
friendreq_handlepacket(data, length, ip_port) && LANdiscovery_handlepacket(data, length, ip_port)) friendreq_handlepacket(data, length, ip_port) && LANdiscovery_handlepacket(data, length, ip_port))
{
/* if packet is discarded */ /* if packet is discarded */
printf("Received unhandled packet with length: %u\n", length); printf("Received unhandled packet with length: %u\n", length);
}
else else
{
printf("Received handled packet with length: %u\n", length); printf("Received handled packet with length: %u\n", length);
}
/* } */ /* } */
printf("Status: %u %u %u\n",friendlist[0].status ,is_cryptoconnected(friendlist[0].crypt_connection_id), friendlist[0].crypt_connection_id); printf("Status: %u %u %u\n",friendlist[0].status ,is_cryptoconnected(friendlist[0].crypt_connection_id), friendlist[0].crypt_connection_id);
#else #else
@ -612,13 +546,9 @@ void Messenger_save(uint8_t * data)
int Messenger_load(uint8_t * data, uint32_t length) int Messenger_load(uint8_t * data, uint32_t length)
{ {
if(length == ~0) if(length == ~0)
{
return -1; return -1;
}
if(length < crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t) * 2) if(length < crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t) * 2)
{
return -1; return -1;
}
length -= crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t) * 2; length -= crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES + sizeof(uint32_t) * 2;
load_keys(data); load_keys(data);
data += crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES; data += crypto_box_PUBLICKEYBYTES + crypto_box_SECRETKEYBYTES;
@ -627,21 +557,15 @@ int Messenger_load(uint8_t * data, uint32_t length)
data += sizeof(size); data += sizeof(size);
if(length < size) if(length < size)
{
return -1; return -1;
}
length -= size; length -= size;
if(DHT_load(data, size) == -1) if(DHT_load(data, size) == -1)
{
return -1; return -1;
}
data += size; data += size;
memcpy(&size, data, sizeof(size)); memcpy(&size, data, sizeof(size));
data += sizeof(size); data += sizeof(size);
if(length != size || length % sizeof(Friend) != 0) if(length != size || length % sizeof(Friend) != 0)
{
return -1; return -1;
}
Friend * temp = malloc(size); Friend * temp = malloc(size);
memcpy(temp, data, size); memcpy(temp, data, size);