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#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/select.h>
#include <sys/unistd.h>
#include <libsoup/soup-cookie.h>
#include <libsoup/soup-cookie-jar-text.h>
#include <libsoup/soup-uri.h>
#include "../src/util.h"
extern const XDG_Var XDG[];
int verbose = 0;
#define SOCK_BACKLOG 10
#define MAX_COOKIE_LENGTH 4096
char cookie_buffer[MAX_COOKIE_LENGTH];
int setup_socket(const char *cookied_socket_path) {
int socket_fd = socket(AF_UNIX, SOCK_SEQPACKET, 0);
if(socket_fd < 0) {
fprintf(stderr, "socket failed (%s)\n", strerror(errno));
return -1;
}
struct sockaddr_un sa;
sa.sun_family = AF_UNIX;
strcpy(sa.sun_path, cookied_socket_path);
if(bind(socket_fd, (struct sockaddr*)&sa, sizeof(sa)) < 0) {
fprintf(stderr, "bind failed (%s)\n", strerror(errno));
return -1;
}
if(listen(socket_fd, SOCK_BACKLOG) < 0) {
fprintf(stderr, "listen failed (%s)\n", strerror(errno));
return -1;
}
return socket_fd;
}
void handle_request(SoupCookieJar *j, const char *buff, int len, int fd) {
const char *command = buff;
const char *scheme = command + strlen(command) + 1;
if((scheme - buff) > len) {
fprintf(stderr, "got malformed or partial request\n");
return;
}
const char *host = scheme + strlen(scheme) + 1;
if((host - buff) > len) {
fprintf(stderr, "got malformed or partial request\n");
return;
}
const char *path = host + strlen(host) + 1;
if((path - buff) > len) {
fprintf(stderr, "got malformed or partial request\n");
return;
}
/* glue the parts back together into a SoupURI */
char *u = g_strconcat(scheme, "://", host, path, NULL);
if(verbose) printf("%s %s\n", command, u);
SoupURI *uri = soup_uri_new(u);
g_free(u);
if(!strcmp(command, "GET")) {
char *result = soup_cookie_jar_get_cookies(j, uri, TRUE);
if(result) {
if(verbose) puts(result);
if(write(fd, result, strlen(result)+1) < 0)
fprintf(stderr, "write failed (%s)", strerror(errno));
g_free(result);
} else {
if(verbose) puts("-");
if(write(fd, "", 1) < 0)
fprintf(stderr, "write failed (%s)", strerror(errno));
}
} else if(!strcmp(command, "PUT")) {
const char *name_and_val = path + strlen(path) + 1;
if((name_and_val - buff) > len) {
fprintf(stderr, "got malformed or partial request\n");
return;
}
if(verbose) puts(name_and_val);
char *eql = strchr(name_and_val, '=');
eql[0] = 0;
const char *name = name_and_val;
const char *value = eql + 1;
SoupCookie *cookie = soup_cookie_new(name, value, host, path, SOUP_COOKIE_MAX_AGE_ONE_YEAR);
soup_cookie_jar_add_cookie(j, cookie);
if(write(fd, "", 1) < 0)
fprintf(stderr, "write failed (%s)", strerror(errno));
}
soup_uri_free(uri);
}
void usage(const char *progname) {
printf("%s [-s socket-path] [-f cookies.txt] [-w whitelist-file] [-v]\n", progname);
}
int main(int argc, char *argv[]) {
int i;
const char *cookies_txt_path = NULL;
const char *cookied_socket_path = NULL;
for(i = 1; i < argc && argv[i][0] == '-'; i++) {
switch(argv[i][1]) {
case 's':
cookied_socket_path = argv[++i];
break;
case 'f':
cookies_txt_path = argv[++i];
break;
case 'v':
verbose = 1;
break;
default:
usage(argv[0]);
return 1;
}
}
if(!cookies_txt_path)
cookies_txt_path = find_xdg_file(1, "/uzbl/cookies.txt");
if(!cookied_socket_path)
cookied_socket_path = g_strconcat(get_xdg_var(XDG[2]), "/uzbl/cookie_daemon_socket", NULL);
g_type_init();
SoupCookieJar *j = soup_cookie_jar_text_new(cookies_txt_path, FALSE);
int cookie_socket = setup_socket(cookied_socket_path);
if(cookie_socket < 0) {
return 1;
}
GArray *connections = g_array_new (FALSE, FALSE, sizeof (int));
while(1) {
unsigned int i;
int r;
fd_set fs;
int maxfd = cookie_socket;
FD_ZERO(&fs);
FD_SET(maxfd, &fs);
for(i = 0; i < connections->len; i++) {
int fd = g_array_index(connections, int, i);
if(fd > maxfd) maxfd = fd;
FD_SET(fd, &fs);
}
r = select(maxfd+1, &fs, NULL, NULL, NULL);
if(r < 0) {
fprintf(stderr, "select failed (%s)\n", strerror(errno));
continue;
}
if(FD_ISSET(cookie_socket, &fs)) {
/* handle new connection */
int fd = accept(cookie_socket, NULL, NULL);
g_array_append_val(connections, fd);
if(verbose) puts("got connection.");
}
for(i = 0; i < connections->len; i++) {
/* handle activity on a connection */
int fd = g_array_index(connections, int, i);
if(FD_ISSET(fd, &fs)) {
r = read(fd, cookie_buffer, MAX_COOKIE_LENGTH);
if(r < 0) {
fprintf(stderr, "read failed (%s)\n", strerror(errno));
continue;
} else if(r == 0) {
if(verbose) puts("client hung up.");
g_array_remove_index(connections, i);
i--; /* other elements in the array are moved down to fill the gap */
continue;
}
cookie_buffer[r] = 0;
handle_request(j, cookie_buffer, r, fd);
}
}
}
return 0;
}
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