-/*
- * $Id: util.h,v 1.9 2009-04-28 13:01:24 franklahm Exp $
+/*!
+ * @file
+ * Netatalk utility functions
+ *
+ * Utility functions for these areas: \n
+ * * sockets \n
+ * * locking \n
+ * * misc UNIX function wrappers, eg for getcwd
*/
#ifndef _ATALK_UTIL_H
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
+#include <poll.h>
#include <netatalk/at.h>
+
#include <atalk/unicode.h>
+#include <atalk/bstrlib.h>
/* exit error codes */
#define EXITERR_CLNT 1 /* client related error */
#define EXITERR_CONF 2 /* error in config files/cmd line parameters */
#define EXITERR_SYS 3 /* local system error */
-
-extern int sys_ftruncate __P((int fd, off_t length));
+/* Print a SBT and exit */
+#define AFP_PANIC(why) \
+ do { \
+ netatalk_panic(why); \
+ abort(); \
+ } while(0);
+
+/* LOG assert errors */
+#ifndef NDEBUG
+#define AFP_ASSERT(b) \
+ do { \
+ if (!(b)) { \
+ AFP_PANIC(#b); \
+ } \
+ } while(0);
+#else
+#define AFP_ASSERT(b)
+#endif /* NDEBUG */
+
+#define STRCMP(a,b,c) (strcmp(a,c) b 0)
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define hton64(x) (x)
+#define ntoh64(x) (x)
+#else /* BYTE_ORDER == BIG_ENDIAN */
+#define hton64(x) ((uint64_t) (htonl(((x) >> 32) & 0xffffffffLL)) | \
+ (uint64_t) ((htonl(x) & 0xffffffffLL) << 32))
+#define ntoh64(x) (hton64(x))
+#endif /* BYTE_ORDER == BIG_ENDIAN */
#ifdef WITH_SENDFILE
-extern ssize_t sys_sendfile __P((int __out_fd, int __in_fd, off_t *__offset,size_t __count));
+extern ssize_t sys_sendfile (int __out_fd, int __in_fd, off_t *__offset,size_t __count);
#endif
extern const int _diacasemap[], _dialowermap[];
#define diatolower(x) _dialowermap[(unsigned char) (x)]
#define diatoupper(x) _diacasemap[(unsigned char) (x)]
-extern int atalk_aton __P((char *, struct at_addr *));
-extern void bprint __P((char *, int));
-extern int strdiacasecmp __P((const char *, const char *));
-extern int strndiacasecmp __P((const char *, const char *, size_t));
-extern pid_t server_lock __P((char * /*program*/, char * /*file*/,
- int /*debug*/));
-extern void fault_setup __P((void (*fn)(void *)));
+extern int atalk_aton (char *, struct at_addr *);
+extern void bprint (char *, int);
+extern int strdiacasecmp (const char *, const char *);
+extern int strndiacasecmp (const char *, const char *, size_t);
+extern pid_t server_lock (char * /*program*/, char * /*file*/, int /*debug*/);
+extern void fault_setup (void (*fn)(void *));
+extern void netatalk_panic(const char *why);
#define server_unlock(x) (unlink(x))
+/* strlcpy and strlcat are used by pam modules */
+#ifndef UAM_MODULE_EXPORT
+#define UAM_MODULE_EXPORT
+#endif
+
#ifndef HAVE_STRLCPY
-size_t strlcpy __P((char *, const char *, size_t));
+UAM_MODULE_EXPORT size_t strlcpy (char *, const char *, size_t);
#endif
#ifndef HAVE_STRLCAT
-size_t strlcat __P((char *, const char *, size_t));
+UAM_MODULE_EXPORT size_t strlcat (char *, const char *, size_t);
#endif
#ifndef HAVE_DLFCN_H
-extern void *mod_open __P((const char *));
-extern void *mod_symbol __P((void *, const char *));
-extern void mod_close __P((void *));
+extern void *mod_open (const char *);
+extern void *mod_symbol (void *, const char *);
+extern void mod_close (void *);
#define mod_error() ""
#else /* ! HAVE_DLFCN_H */
#include <dlfcn.h>
#ifndef DLSYM_PREPEND_UNDERSCORE
#define mod_symbol(a, b) dlsym(a, b)
#else /* ! DLSYM_PREPEND_UNDERSCORE */
-extern void *mod_symbol __P((void *, const char *));
+extern void *mod_symbol (void *, const char *);
#endif /* ! DLSYM_PREPEND_UNDERSCORE */
#define mod_error() dlerror()
#define mod_close(a) dlclose(a)
#endif /* ! HAVE_DLFCN_H */
-#if 0
-/* volinfo for shell utilities */
-#define VOLINFOFILE ".volinfo"
-
-struct volinfo {
- char *v_name;
- char *v_path;
- int v_flags;
- int v_casefold;
- char *v_cnidscheme;
- char *v_dbpath;
- char *v_volcodepage;
- charset_t v_volcharset;
- char *v_maccodepage;
- charset_t v_maccharset;
- int v_adouble; /* default adouble format */
- char *(*ad_path)(const char *, int);
- char *v_dbd_host;
- int v_dbd_port;
+/******************************************************************
+ * locking.c
+ ******************************************************************/
+
+extern int lock_reg(int fd, int cmd, int type, off_t offest, int whence, off_t len);
+#define read_lock(fd, offset, whence, len) \
+ lock_reg((fd), F_SETLK, F_RDLCK, (offset), (whence), (len))
+#define write_lock(fd, offset, whence, len) \
+ lock_reg((fd), F_SETLK, F_WRLCK, (offset), (whence), (len))
+#define unlock(fd, offset, whence, len) \
+ lock_reg((fd), F_SETLK, F_UNLCK, (offset), (whence), (len))
+
+/******************************************************************
+ * socket.c
+ ******************************************************************/
+
+extern int setnonblock(int fd, int cmd);
+extern ssize_t readt(int socket, void *data, const size_t length, int setnonblocking, int timeout);
+extern ssize_t writet(int socket, void *data, const size_t length, int setnonblocking, int timeout);
+extern const char *getip_string(const struct sockaddr *sa);
+extern unsigned int getip_port(const struct sockaddr *sa);
+extern void apply_ip_mask(struct sockaddr *ai, int maskbits);
+extern int compare_ip(const struct sockaddr *sa1, const struct sockaddr *sa2);
+
+/* Structures and functions dealing with dynamic pollfd arrays */
+enum fdtype {IPC_FD, LISTEN_FD};
+struct polldata {
+ enum fdtype fdtype; /* IPC fd or listening socket fd */
+ void *data; /* pointer to AFPconfig for listening socket and *
+ * pointer to afp_child_t for IPC fd */
};
-extern int loadvolinfo __P((char *path, struct volinfo *vol));
-extern int vol_load_charsets __P(( struct volinfo *vol));
-#endif /* 0 */
-
-#endif
+extern void fdset_add_fd(struct pollfd **fdsetp,
+ struct polldata **polldatap,
+ int *fdset_usedp,
+ int *fdset_sizep,
+ int fd,
+ enum fdtype fdtype,
+ void *data);
+extern void fdset_del_fd(struct pollfd **fdsetp,
+ struct polldata **polldatap,
+ int *fdset_usedp,
+ int *fdset_sizep,
+ int fd);
+extern int send_fd(int socket, int fd);
+extern int recv_fd(int fd, int nonblocking);
+
+/******************************************************************
+ * unix.c
+ *****************************************************************/
+
+extern const char *getcwdpath(void);
+extern char *stripped_slashes_basename(char *p);
+extern int lchdir(const char *dir);
+extern void randombytes(void *buf, int n);
+#endif /* _ATALK_UTIL_H */
+
+/******************************************************************
+ * cnid.c
+ *****************************************************************/
+
+extern bstring rel_path_in_vol(const char *path, const char *volpath);