Hangs in Netatalk which causes it to stop responding to connections

[netatalk.git] / include / atalk / util.h

diff --git a/include/atalk/util.h b/include/atalk/util.h
index 1c16e06f86d3cb1a6a1233b1057a68ef427dc91c..6d92e15d3815d1270f212dcbd112863e69526fb6 100644 (file)
--- a/include/atalk/util.h
+++ b/include/atalk/util.h
@@ -15,14 +15,18 @@
 #include <sys/socket.h>
 #include <unistd.h>
 #include <poll.h>
+#include <sys/stat.h>
+#include <stdbool.h>
 
 #include <atalk/unicode.h>
 #include <atalk/bstrlib.h>
+#include <atalk/cnid.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 */
+#define EXITERR_CLOSED 4  /* connection was immediately closed after TCP handshake */
 
 /* Print a SBT and exit */
 #define AFP_PANIC(why) \
@@ -54,15 +58,25 @@
 #define STRCMP(a,b,c) (strcmp(a,c) b 0)
 #define ZERO_STRUCT(a) memset(&(a), 0, sizeof(a))
 #define ZERO_STRUCTP(a) memset((a), 0, sizeof(a))
+#ifndef MAX
+#define MAX(a,b) ((a) > (b) ? a : b)
+#endif
+#ifndef MIN
+#define MIN(a,b) ((a) < (b) ? a : b)
+#endif
 
-#if BYTE_ORDER == BIG_ENDIAN
+#ifdef WORDS_BIGENDIAN
 #define hton64(x)       (x)
 #define ntoh64(x)       (x)
-#else /* BYTE_ORDER == BIG_ENDIAN */
+#else
 #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 */
+#endif
+
+#ifndef SAFE_FREE
+#define SAFE_FREE(x) do { if ((x) != NULL) {free(x); x=NULL;} } while(0)
+#endif
 
 #ifdef WITH_SENDFILE
 extern ssize_t sys_sendfile (int __out_fd, int __in_fd, off_t *__offset,size_t __count);
@@ -79,6 +93,8 @@ 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 int check_lockfile (const char *program, const char *pidfile);
+extern int create_lockfile(const char *program, const char *pidfile);
 extern void fault_setup          (void (*fn)(void *));
 extern void netatalk_panic(const char *why);
 #define server_unlock(x)  (unlink(x))
@@ -138,28 +154,35 @@ 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);
+extern int tokenize_ip_port(const char *ipurl, char **address, char **port);
 
 /* Structures and functions dealing with dynamic pollfd arrays */
-enum fdtype {IPC_FD, LISTEN_FD, DISASOCIATED_IPC_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             */
+
+enum asev_fdtype {IPC_FD, LISTEN_FD};
+
+/**
+ * atalk socket event data
+ **/
+struct asev_data {
+    enum asev_fdtype fdtype;  /* IPC fd or listening socket fd                 */
+    void            *private; /* pointer to AFPconfig for listening socket and *
+                               * pointer to afp_child_t for IPC fd             */
 };
 
-extern void fdset_add_fd(int maxconns,
-                         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);
+/**
+ * atalk socket event
+ **/
+struct asev {
+    struct pollfd         *fdset; /* struct pollfd array for poll() */
+    struct asev_data      *data;  /* associated array of data       */
+    int                    max;
+    int                    used;
+};
+
+extern struct asev *asev_init(int max);
+extern bool asev_add_fd(struct asev *sev, int fd, enum asev_fdtype fdtype, void *private);
+extern bool asev_del_fd(struct asev *sev, int fd);
+
 extern int send_fd(int socket, int fd);
 extern int recv_fd(int fd, int nonblocking);
 
@@ -167,15 +190,34 @@ extern int recv_fd(int fd, int nonblocking);
  * unix.c
  *****************************************************************/
 
-extern const char *abspath(const char *name);
 extern const char *getcwdpath(void);
+extern const char *fullpathname(const char *);
 extern char *stripped_slashes_basename(char *p);
-extern int lchdir(const char *dir);
 extern void randombytes(void *buf, int n);
-#endif  /* _ATALK_UTIL_H */
+extern int daemonize(int nochdir, int noclose);
+extern int run_cmd(const char *cmd, char **cmd_argv);
+extern char *realpath_safe(const char *path);
+extern const char *basename_safe(const char *path);
+extern char *strtok_quote (char *s, const char *delim);
+
+extern int ochdir(const char *dir, int options);
+extern int ostat(const char *path, struct stat *buf, int options);
+extern int ostatat(int dirfd, const char *path, struct stat *st, int options);
+extern int ochown(const char *path, uid_t owner, gid_t group, int options);
+extern int ochmod(char *path, mode_t mode, const struct stat *st, int options);
 
 /******************************************************************
  * cnid.c
  *****************************************************************/
 
 extern bstring rel_path_in_vol(const char *path, const char *volpath);
+extern cnid_t cnid_for_path(struct _cnid_db *cdb, const char *volpath, const char *path, cnid_t *did);
+
+/******************************************************************
+ * cnid.c
+ *****************************************************************/
+
+extern void initline   (int, char *);
+extern int  parseline  (int, char *);
+
+#endif  /* _ATALK_UTIL_H */