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added IPv6 support

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This commit is contained in:
nnnn20430
2016-03-15 14:13:08 +01:00
parent a5c137c06d
commit b9ed17e937
3 changed files with 145 additions and 12 deletions
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10
README.md
View File

@@ -47,7 +47,7 @@ providing fiche-based service all the time on this address `solusipse.net` and t
## Server-side usage ##
```
usage: fiche [-DepbsdolBuw].
usage: fiche [-D6epbsdSolBuw].
[-d domain] [-p port] [-s slug size]
[-o output directory] [-B buffer size] [-u user name]
[-l log file] [-b banlist] [-w whitelist]
@@ -189,6 +189,14 @@ fiche -e
-----------------
#### Use IPv6 ####
this will allow fiche to accept connections from IPv6 clients:
fiche -6
-----------------
#### Examples ####
Logging connections with banlist:

130
fiche.c
View File

@@ -59,8 +59,21 @@ int main(int argc, char **argv)
listen_socket = create_socket();
setsockopt(listen_socket, SOL_SOCKET, SO_REUSEADDR, (const void *)&optval , sizeof(int));
server_address = set_address(server_address);
bind_to_port(listen_socket, server_address);
#if (HAVE_INET6)
struct sockaddr_in6 server_address6;
if (IPv6)
{
server_address6 = set_address6(server_address6);
bind_to_port6(listen_socket, server_address6);
}
else
{
#else
if (1) {
#endif
server_address = set_address(server_address);
bind_to_port(listen_socket, server_address);
}
if (DAEMON)
{
@@ -81,9 +94,23 @@ int main(int argc, char **argv)
void *thread_connection(void *args)
{
int connection_socket = ((struct thread_arguments *) args ) -> connection_socket;
struct sockaddr_in client_address = ((struct thread_arguments *) args ) -> client_address;
struct client_data data = get_client_address(client_address);
struct sockaddr_in client_address;
struct client_data data;
#if (HAVE_INET6)
struct sockaddr_in6 client_address6;
if (IPv6)
{
client_address6 = ((struct thread_arguments *) args ) -> client_address6;
data = get_client_address6(client_address6);
}
else
{
#else
if (1) {
#endif
client_address = ((struct thread_arguments *) args ) -> client_address;
data = get_client_address(client_address);
}
char buffer[BUFSIZE];
bzero(buffer, BUFSIZE);
@@ -139,8 +166,24 @@ void perform_connection(int listen_socket)
pthread_t thread_id;
struct sockaddr_in client_address;
int address_length = sizeof(client_address);
int connection_socket = accept(listen_socket, (struct sockaddr *) &client_address, (void *) &address_length);
int address_length;
int connection_socket;
#if (HAVE_INET6)
struct sockaddr_in6 client_address6;
if (IPv6)
{
address_length = sizeof(client_address6);
connection_socket = accept(listen_socket, (struct sockaddr *) &client_address6, (void *) &address_length);
}
else
{
#else
if (1) {
#endif
address_length = sizeof(client_address);
connection_socket = accept(listen_socket, (struct sockaddr *) &client_address, (void *) &address_length);
}
struct timeval timeout;
timeout.tv_sec = 5;
@@ -153,7 +196,12 @@ void perform_connection(int listen_socket)
struct thread_arguments arguments;
arguments.connection_socket = connection_socket;
arguments.client_address = client_address;
#if (HAVE_INET6)
if (IPv6)
arguments.client_address6 = client_address6;
else
#endif
arguments.client_address = client_address;
if (pthread_create(&thread_id, NULL, &thread_connection, &arguments) != 0)
error("on thread creation");
@@ -202,6 +250,36 @@ struct client_data get_client_address(struct sockaddr_in client_address)
return data;
}
#if (HAVE_INET6)
struct client_data get_client_address6(struct sockaddr_in6 client_address6)
{
struct hostent *hostp;
struct client_data data;
static char hostaddrp[INET6_ADDRSTRLEN];
hostp = gethostbyaddr((const char *)&client_address6.sin6_addr, sizeof(client_address6.sin6_addr), AF_INET6);
if (hostp == NULL)
{
printf("WARNING: Couldn't obtain client's hostname\n");
data.hostname = "n/a";
}
else
data.hostname = hostp->h_name;
inet_ntop(AF_INET6, &(client_address6.sin6_addr), hostaddrp,
INET6_ADDRSTRLEN);
if (hostaddrp == NULL)
{
printf("WARNING: Couldn't obtain client's address\n");
data.ip_address = "n/a";
}
else
data.ip_address = hostaddrp;
return data;
}
#endif
void save_log(char *slug, char *hostaddrp, char *h_name)
{
if (LOG != NULL)
@@ -275,7 +353,13 @@ void load_list(char *file_path, int type)
int create_socket()
{
int lsocket = socket(AF_INET, SOCK_STREAM, 0);
int lsocket;
#if (HAVE_INET6)
if (IPv6)
lsocket = socket(AF_INET6, SOCK_STREAM, 0);
else
#endif
lsocket = socket(AF_INET, SOCK_STREAM, 0);
if (lsocket < 0)
error("Couldn't open socket");
@@ -292,6 +376,17 @@ struct sockaddr_in set_address(struct sockaddr_in server_address)
return server_address;
}
#if (HAVE_INET6)
struct sockaddr_in6 set_address6(struct sockaddr_in6 server_address6)
{
bzero((char *) &server_address6, sizeof(server_address6));
server_address6.sin6_family = AF_INET6;
server_address6.sin6_addr = in6addr_any;
server_address6.sin6_port = htons((unsigned short)PORT);
return server_address6;
}
#endif
void bind_to_port(int listen_socket, struct sockaddr_in server_address)
{
if (bind(listen_socket, (struct sockaddr *) &server_address, sizeof(server_address)) < 0)
@@ -300,6 +395,16 @@ void bind_to_port(int listen_socket, struct sockaddr_in server_address)
error("while starting listening");
}
#if (HAVE_INET6)
void bind_to_port6(int listen_socket, struct sockaddr_in6 server_address6)
{
if (bind(listen_socket, (struct sockaddr *) &server_address6, sizeof(server_address6)) < 0)
error("while binding to port");
if (listen(listen_socket, QUEUE_SIZE) < 0)
error("while starting listening");
}
#endif
void generate_url(char *buffer, char *slug, size_t slug_length, struct client_data data)
{
int i;
@@ -419,12 +524,15 @@ void parse_parameters(int argc, char **argv)
{
int c;
while ((c = getopt (argc, argv, "DeSp:b:s:d:o:l:B:u:w:")) != -1)
while ((c = getopt (argc, argv, "D6eSp:b:s:d:o:l:B:u:w:")) != -1)
switch (c)
{
case 'D':
DAEMON = 1;
break;
case '6':
IPv6 = 1;
break;
case 'e':
snprintf(symbols, sizeof symbols, "%s", "abcdefghijklmnopqrstuvwxyz0123456789-+_=.ABCDEFGHIJKLMNOPQRSTUVWXYZ");
break;
@@ -461,7 +569,7 @@ void parse_parameters(int argc, char **argv)
load_list(WHITEFILE, 1);
break;
default:
printf("usage: fiche [-pbsdSolBuw].\n");
printf("usage: fiche [-D6epbsdSolBuw].\n");
printf(" [-d domain] [-p port] [-s slug_size]\n");
printf(" [-o output directory] [-B buffer_size] [-u user name]\n");
printf(" [-l log file] [-b banlist] [-w whitelist]\n");

17
fiche.h
View File

@@ -31,6 +31,10 @@ $ cat fiche.c | nc localhost 9999
#ifndef FICHE_H
#define FICHE_H
#ifndef HAVE_INET6
#define HAVE_INET6 1
#endif
#include <pwd.h>
#include <time.h>
#include <netdb.h>
@@ -56,6 +60,7 @@ char *WHITELIST;
int DAEMON = 0;
int HTTPS = 0;
int PORT = 9999;
int IPv6 = 0;
int SLUG_SIZE = 4;
int BUFSIZE = 32768;
int QUEUE_SIZE = 500;
@@ -68,6 +73,9 @@ struct thread_arguments
{
int connection_socket;
struct sockaddr_in client_address;
#if (HAVE_INET6)
struct sockaddr_in6 client_address6;
#endif
};
struct client_data
@@ -81,6 +89,9 @@ int create_directory(char *slug);
int check_protocol(char *buffer);
void bind_to_port(int listen_socket, struct sockaddr_in serveraddr);
#if (HAVE_INET6)
void bind_to_port6(int listen_socket, struct sockaddr_in6 serveraddr6);
#endif
void error(char *buffer);
void perform_connection(int listen_socket);
void generate_url(char *buffer, char *slug, size_t slug_length, struct client_data data);
@@ -99,6 +110,12 @@ char *check_whitelist(char *ip_address);
char *get_date();
struct sockaddr_in set_address(struct sockaddr_in serveraddr);
#if (HAVE_INET6)
struct sockaddr_in6 set_address6(struct sockaddr_in6 serveraddr6);
#endif
struct client_data get_client_address(struct sockaddr_in client_address);
#if (HAVE_INET6)
struct client_data get_client_address6(struct sockaddr_in6 client_address6);
#endif
#endif