j3d1/tinc
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Always pass request strings to other functions as const char *.

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This commit is contained in:
Guus Sliepen 2012-05-08 16:44:15 +02:00
parent 291a59b5b7
commit 58007d7efa
8 changed files with 54 additions and 52 deletions
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2
src/control.c
View file

@ -44,7 +44,7 @@ static bool control_ok(connection_t *c, int type) {
return control_return(c, type, 0);
}
bool control_h(connection_t *c, char *request) {
bool control_h(connection_t *c, const char *request) {
int type;
if(!c->status.control || c->allow_request != CONTROL) {

18
src/protocol.c
View file

@ -34,7 +34,7 @@ bool experimental = false;
/* Jumptable for the request handlers */
static bool (*request_handlers[])(connection_t *, char *) = {
static bool (*request_handlers[])(connection_t *, const char *) = {
id_h, metakey_h, challenge_h, chal_reply_h, ack_h,
status_h, error_h, termreq_h,
ping_h, pong_h,
@ -96,16 +96,18 @@ bool send_request(connection_t *c, const char *format, ...) {
return send_meta(c, request, len);
}
void forward_request(connection_t *from, char *request) {
/* Note: request is not zero terminated anymore after a call to this function! */
void forward_request(connection_t *from, const char *request) {
logger(DEBUG_META, LOG_DEBUG, "Forwarding %s from %s (%s): %s", request_name[atoi(request)], from->name, from->hostname, request);
// Create a temporary newline-terminated copy of the request
int len = strlen(request);
request[len++] = '\n';
broadcast_meta(from, request, len);
char tmp[len + 1];
memcpy(tmp, request, len);
tmp[len] = '\n';
broadcast_meta(from, tmp, len);
}
bool receive_request(connection_t *c, char *request) {
bool receive_request(connection_t *c, const char *request) {
int reqno = atoi(request);
if(reqno || *request == '0') {
@ -141,14 +143,14 @@ static int past_request_compare(const past_request_t *a, const past_request_t *b
static void free_past_request(past_request_t *r) {
if(r->request)
free(r->request);
free((char *)r->request);
free(r);
}
static struct event past_request_event;
bool seen_request(char *request) {
bool seen_request(const char *request) {
past_request_t *new, p = {NULL};
p.request = request;

48
src/protocol.h
View file

@ -48,7 +48,7 @@ typedef enum request_t {
} request_t;
typedef struct past_request_t {
char *request;
const char *request;
time_t firstseen;
} past_request_t;
@ -72,13 +72,13 @@ extern bool experimental;
/* Basic functions */
extern bool send_request(struct connection_t *, const char *, ...) __attribute__ ((__format__(printf, 2, 3)));
extern void forward_request(struct connection_t *, char *);
extern bool receive_request(struct connection_t *, char *);
extern void forward_request(struct connection_t *, const char *);
extern bool receive_request(struct connection_t *, const char *);
extern bool check_id(const char *);
extern void init_requests(void);
extern void exit_requests(void);
extern bool seen_request(char *);
extern bool seen_request(const char *);
/* Requests */
@ -89,7 +89,7 @@ extern bool send_challenge(struct connection_t *);
extern bool send_chal_reply(struct connection_t *);
extern bool send_ack(struct connection_t *);
extern bool send_status(struct connection_t *, int, const char *);
extern bool send_error(struct connection_t *, int,const char *);
extern bool send_error(struct connection_t *, int, const char *);
extern bool send_termreq(struct connection_t *);
extern bool send_ping(struct connection_t *);
extern bool send_pong(struct connection_t *);
@ -104,24 +104,24 @@ extern bool send_tcppacket(struct connection_t *, const struct vpn_packet_t *);
/* Request handlers */
extern bool id_h(struct connection_t *, char *);
extern bool metakey_h(struct connection_t *, char *);
extern bool challenge_h(struct connection_t *, char *);
extern bool chal_reply_h(struct connection_t *, char *);
extern bool ack_h(struct connection_t *, char *);
extern bool status_h(struct connection_t *, char *);
extern bool error_h(struct connection_t *, char *);
extern bool termreq_h(struct connection_t *, char *);
extern bool ping_h(struct connection_t *, char *);
extern bool pong_h(struct connection_t *, char *);
extern bool add_subnet_h(struct connection_t *, char *);
extern bool del_subnet_h(struct connection_t *, char *);
extern bool add_edge_h(struct connection_t *, char *);
extern bool del_edge_h(struct connection_t *, char *);
extern bool key_changed_h(struct connection_t *, char *);
extern bool req_key_h(struct connection_t *, char *);
extern bool ans_key_h(struct connection_t *, char *);
extern bool tcppacket_h(struct connection_t *, char *);
extern bool control_h(struct connection_t *, char *);
extern bool id_h(struct connection_t *, const char *);
extern bool metakey_h(struct connection_t *, const char *);
extern bool challenge_h(struct connection_t *, const char *);
extern bool chal_reply_h(struct connection_t *, const char *);
extern bool ack_h(struct connection_t *, const char *);
extern bool status_h(struct connection_t *, const char *);
extern bool error_h(struct connection_t *, const char *);
extern bool termreq_h(struct connection_t *, const char *);
extern bool ping_h(struct connection_t *, const char *);
extern bool pong_h(struct connection_t *, const char *);
extern bool add_subnet_h(struct connection_t *, const char *);
extern bool del_subnet_h(struct connection_t *, const char *);
extern bool add_edge_h(struct connection_t *, const char *);
extern bool del_edge_h(struct connection_t *, const char *);
extern bool key_changed_h(struct connection_t *, const char *);
extern bool req_key_h(struct connection_t *, const char *);
extern bool ans_key_h(struct connection_t *, const char *);
extern bool tcppacket_h(struct connection_t *, const char *);
extern bool control_h(struct connection_t *, const char *);
#endif /* __TINC_PROTOCOL_H__ */

12
src/protocol_auth.c
View file

@ -57,7 +57,7 @@ bool send_id(connection_t *c) {
return send_request(c, "%d %s %d.%d", ID, myself->connection->name, myself->connection->protocol_major, minor);
}
bool id_h(connection_t *c, char *request) {
bool id_h(connection_t *c, const char *request) {
char name[MAX_STRING_SIZE];
if(sscanf(request, "%*d " MAX_STRING " %d.%d", name, &c->protocol_major, &c->protocol_minor) < 2) {
@ -219,7 +219,7 @@ bool send_metakey(connection_t *c) {
return result;
}
bool metakey_h(connection_t *c, char *request) {
bool metakey_h(connection_t *c, const char *request) {
char hexkey[MAX_STRING_SIZE];
int cipher, digest, maclength, compression;
size_t len = rsa_size(&myself->connection->rsa);
@ -293,7 +293,7 @@ bool send_challenge(connection_t *c) {
return send_request(c, "%d %s", CHALLENGE, buffer);
}
bool challenge_h(connection_t *c, char *request) {
bool challenge_h(connection_t *c, const char *request) {
char buffer[MAX_STRING_SIZE];
size_t len = rsa_size(&myself->connection->rsa);
size_t digestlen = digest_length(&c->indigest);
@ -330,7 +330,7 @@ bool challenge_h(connection_t *c, char *request) {
return send_request(c, "%d %s", CHAL_REPLY, buffer);
}
bool chal_reply_h(connection_t *c, char *request) {
bool chal_reply_h(connection_t *c, const char *request) {
char hishash[MAX_STRING_SIZE];
if(sscanf(request, "%*d " MAX_STRING, hishash) != 1) {
@ -451,7 +451,7 @@ static void send_everything(connection_t *c) {
}
}
static bool upgrade_h(connection_t *c, char *request) {
static bool upgrade_h(connection_t *c, const char *request) {
char pubkey[MAX_STRING_SIZE];
if(sscanf(request, "%*d " MAX_STRING, pubkey) != 1) {
@ -470,7 +470,7 @@ static bool upgrade_h(connection_t *c, char *request) {
return send_termreq(c);
}
bool ack_h(connection_t *c, char *request) {
bool ack_h(connection_t *c, const char *request) {
if(c->protocol_minor == 1)
return upgrade_h(c, request);

4
src/protocol_edge.c
View file

@ -50,7 +50,7 @@ bool send_add_edge(connection_t *c, const edge_t *e) {
return x;
}
bool add_edge_h(connection_t *c, char *request) {
bool add_edge_h(connection_t *c, const char *request) {
edge_t *e;
node_t *from, *to;
char from_name[MAX_STRING_SIZE];
@ -167,7 +167,7 @@ bool send_del_edge(connection_t *c, const edge_t *e) {
e->from->name, e->to->name);
}
bool del_edge_h(connection_t *c, char *request) {
bool del_edge_h(connection_t *c, const char *request) {
edge_t *e;
char from_name[MAX_STRING_SIZE];
char to_name[MAX_STRING_SIZE];

6
src/protocol_key.c
View file

@ -51,7 +51,7 @@ void send_key_changed(void) {
}
}
bool key_changed_h(connection_t *c, char *request) {
bool key_changed_h(connection_t *c, const char *request) {
char name[MAX_STRING_SIZE];
node_t *n;
@ -87,7 +87,7 @@ bool send_req_key(node_t *to) {
return send_request(to->nexthop->connection, "%d %s %s %d", REQ_KEY, myself->name, to->name, experimental ? 1 : 0);
}
bool req_key_h(connection_t *c, char *request) {
bool req_key_h(connection_t *c, const char *request) {
char from_name[MAX_STRING_SIZE];
char to_name[MAX_STRING_SIZE];
node_t *from, *to;
@ -202,7 +202,7 @@ bool send_ans_key(node_t *to) {
to->incompression);
}
bool ans_key_h(connection_t *c, char *request) {
bool ans_key_h(connection_t *c, const char *request) {
char from_name[MAX_STRING_SIZE];
char to_name[MAX_STRING_SIZE];
char key[MAX_STRING_SIZE];

12
src/protocol_misc.c
View file

@ -40,7 +40,7 @@ bool send_status(connection_t *c, int statusno, const char *statusstring) {
return send_request(c, "%d %d %s", STATUS, statusno, statusstring);
}
bool status_h(connection_t *c, char *request) {
bool status_h(connection_t *c, const char *request) {
int statusno;
char statusstring[MAX_STRING_SIZE];
@ -63,7 +63,7 @@ bool send_error(connection_t *c, int err, const char *errstring) {
return send_request(c, "%d %d %s", ERROR, err, errstring);
}
bool error_h(connection_t *c, char *request) {
bool error_h(connection_t *c, const char *request) {
int err;
char errorstring[MAX_STRING_SIZE];
@ -83,7 +83,7 @@ bool send_termreq(connection_t *c) {
return send_request(c, "%d", TERMREQ);
}
bool termreq_h(connection_t *c, char *request) {
bool termreq_h(connection_t *c, const char *request) {
return false;
}
@ -94,7 +94,7 @@ bool send_ping(connection_t *c) {
return send_request(c, "%d", PING);
}
bool ping_h(connection_t *c, char *request) {
bool ping_h(connection_t *c, const char *request) {
return send_pong(c);
}
@ -102,7 +102,7 @@ bool send_pong(connection_t *c) {
return send_request(c, "%d", PONG);
}
bool pong_h(connection_t *c, char *request) {
bool pong_h(connection_t *c, const char *request) {
c->status.pinged = false;
/* Succesful connection, reset timeout if this is an outgoing connection. */
@ -134,7 +134,7 @@ bool send_tcppacket(connection_t *c, const vpn_packet_t *packet) {
return send_meta(c, (char *)packet->data, packet->len);
}
bool tcppacket_h(connection_t *c, char *request) {
bool tcppacket_h(connection_t *c, const char *request) {
short int len;
if(sscanf(request, "%*d %hd", &len) != 1) {

4
src/protocol_subnet.c
View file

@ -41,7 +41,7 @@ bool send_add_subnet(connection_t *c, const subnet_t *subnet) {
return send_request(c, "%d %x %s %s", ADD_SUBNET, rand(), subnet->owner->name, netstr);
}
bool add_subnet_h(connection_t *c, char *request) {
bool add_subnet_h(connection_t *c, const char *request) {
char subnetstr[MAX_STRING_SIZE];
char name[MAX_STRING_SIZE];
node_t *owner;
@ -151,7 +151,7 @@ bool send_del_subnet(connection_t *c, const subnet_t *s) {
return send_request(c, "%d %x %s %s", DEL_SUBNET, rand(), s->owner->name, netstr);
}
bool del_subnet_h(connection_t *c, char *request) {
bool del_subnet_h(connection_t *c, const char *request) {
char subnetstr[MAX_STRING_SIZE];
char name[MAX_STRING_SIZE];
node_t *owner;