#if HAVE_CONFIG_H
#include "clamav-config.h"
#endif
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/un.h>
#include <clamav.h>
#include <errno.h>
#include "options.h"
#include "cfgparser.h"
#include "defaults.h"
#include "others.h"
#include "server.h"
#include "output.h"
int localserver(const struct optstruct *opt, const struct cfgstruct *copt, struct cl_node *root)
{
struct sockaddr_un server;
int sockfd, backlog;
struct cfgstruct *cpt;
struct stat foo;
char *estr;
memset((char *) &server, 0, sizeof(server));
server.sun_family = AF_UNIX;
strncpy(server.sun_path, cfgopt(copt, "LocalSocket")->strarg, sizeof(server.sun_path));
if((sockfd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
estr = strerror(errno);
logg("!Socket allocation error: %s\n", estr);
exit(1);
}
if(bind(sockfd, (struct sockaddr *) &server, sizeof(struct sockaddr_un)) == -1) {
if(errno == EADDRINUSE) {
if(connect(sockfd, (struct sockaddr *) &server, sizeof(struct sockaddr_un)) >= 0) {
close(sockfd);
logg("!Socket file %s is in use by another process.\n", server.sun_path);
exit(1);
}
if(cfgopt(copt, "FixStaleSocket")) {
logg("^Socket file %s exists. Unclean shutdown? Removing...\n", server.sun_path);
if(unlink(server.sun_path) == -1) {
estr = strerror(errno);
logg("!Socket file %s could not be removed: %s\n", server.sun_path, estr);
exit(1);
}
if(bind(sockfd, (struct sockaddr *) &server, sizeof(struct sockaddr_un)) == -1) {
estr = strerror(errno);
logg("!Socket file %s could not be bound: %s (unlink tried)\n", server.sun_path, estr);
exit(1);
}
} else if(stat(server.sun_path, &foo) != -1) {
logg("!Socket file %s exists. Either remove it, or configure a different one.\n", server.sun_path);
exit(1);
}
} else {
estr = strerror(errno);
logg("!Socket file %s could not be bound: %s\n", server.sun_path, estr);
exit(1);
}
}
logg("Unix socket file %s\n", server.sun_path);
if((cpt = cfgopt(copt, "MaxConnectionQueueLength")))
backlog = cpt->numarg;
else
backlog = CL_DEFAULT_BACKLOG;
logg("Setting connection queue length to %d\n", backlog);
if(listen(sockfd, backlog) == -1) {
estr = strerror(errno);
logg("!listen() error: %s\n", estr);
exit(1);
}
acceptloop_th(sockfd, root, copt);
return 0;
}