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-rw-r--r--src/common/util.h228
1 files changed, 17 insertions, 211 deletions
diff --git a/src/common/util.h b/src/common/util.h
index 4fd31612a..2c47a46cc 100644
--- a/src/common/util.h
+++ b/src/common/util.h
@@ -1,4 +1,4 @@
-/* Copyright 2003 Roger Dingledine */
+/* Copyright 2003-2004 Roger Dingledine; Copyright 2004 Nick Mathewson */
/* See LICENSE for licensing information */
/* $Id$ */
@@ -13,7 +13,7 @@
#include "orconfig.h"
#include "torint.h"
#include <stdio.h>
-#include <stdarg.h>
+#include <assert.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
@@ -21,40 +21,6 @@
#include <time.h>
#endif
-#ifndef NULL_REP_IS_ZERO_BYTES
-#error "It seems your platform does not represent NULL as zero. We can't cope."
-#endif
-
-#ifdef MS_WINDOWS
-#if (_MSC_VER <= 1300)
-#include <winsock.h>
-#else
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#endif
-#endif
-
-#if !defined(HAVE_GETTIMEOFDAY) && !defined(HAVE_STRUCT_TIMEVAL_TV_SEC)
-struct timeval {
- time_t tv_sec;
- unsigned int tv_usec;
-};
-#endif
-
-#ifdef MS_WINDOWS
-/* Windows names string functions differently from most other platforms. */
-#define strncasecmp strnicmp
-#define strcasecmp stricmp
-/* "inline" is __inline on windows. " */
-#define INLINE __inline
-/* Windows compilers before VC7 don't have __FUNCTION__. */
-#if _MSC_VER < 1300
-#define __FUNCTION__ "???"
-#endif
-#else
-#define INLINE inline
-#endif
-
/** Replace assert() with a variant that sends failures to the log before
* calling assert() normally.
*/
@@ -70,29 +36,19 @@ struct timeval {
} } while (0)
#endif
-#ifdef MS_WINDOWS
-/** On windows, you have to call close() on fds returned by open(),
- * and closesocket() on fds returned by socket(). On Unix, everything
- * gets close()'d. We abstract this difference by always using
- * tor_close_socket to close sockets, and always using close() on
- * files.
- */
-#define tor_close_socket(s) closesocket(s)
-#else
-#define tor_close_socket(s) close(s)
-#endif
-
-#define HEX_CHARACTERS "0123456789ABCDEFabcdef"
-
-size_t strlcat(char *dst, const char *src, size_t siz);
-size_t strlcpy(char *dst, const char *src, size_t siz);
-
+/* Memory management */
void *tor_malloc(size_t size);
void *tor_malloc_zero(size_t size);
void *tor_realloc(void *ptr, size_t size);
char *tor_strdup(const char *s);
char *tor_strndup(const char *s, size_t n);
#define tor_free(p) do {if(p) {free(p); (p)=NULL;}} while(0)
+
+/* String manipulation */
+#define HEX_CHARACTERS "0123456789ABCDEFabcdef"
+size_t strlcat(char *dst, const char *src, size_t siz);
+size_t strlcpy(char *dst, const char *src, size_t siz);
+
void tor_strlower(char *s);
int strcmpstart(const char *s1, const char *s2);
int tor_strstrip(char *s, const char *strip);
@@ -106,106 +62,13 @@ long tor_parse_long(const char *s, int base, long min,
long max, int *ok, char **next);
unsigned long tor_parse_ulong(const char *s, int base, unsigned long min,
unsigned long max, int *ok, char **next);
-
-/* XXXX duplicated from log.h */
-#ifdef __GNUC__
-#define CHECK_PRINTF(formatIdx, firstArg) \
- __attribute__ ((format (printf, formatIdx, firstArg)))
-#else
-#define CHECK_PRINTF(formatIdx, firstArg)
-#endif
-
-int tor_snprintf(char *str, size_t size, const char *format, ...)
- CHECK_PRINTF(3,4);
-int tor_vsnprintf(char *str, size_t size, const char *format, va_list args);
-
-/* Some platforms segfault when you try to access a multi-byte type
- * that isn't aligned to a word boundary. The macros and/or functions
- * below can be used to access unaligned data on any platform.
- */
-#ifdef UNALIGNED_INT_ACCESS_OK
-#define get_uint16(cp) (*(uint16_t*)(cp))
-#define get_uint32(cp) (*(uint32_t*)(cp))
-#define set_uint16(cp,v) do { *(uint16_t*)(cp) = (v); } while (0)
-#define set_uint32(cp,v) do { *(uint32_t*)(cp) = (v); } while (0)
-#else
-uint16_t get_uint16(const char *cp);
-uint32_t get_uint32(const char *cp);
-void set_uint16(char *cp, uint16_t v);
-void set_uint32(char *cp, uint32_t v);
-#endif
-
const char *hex_str(const char *from, size_t fromlen);
-
-/** Generic resizeable array. */
-typedef struct smartlist_t smartlist_t;
-
-smartlist_t *smartlist_create(void);
-void smartlist_free(smartlist_t *sl);
-void smartlist_set_capacity(smartlist_t *sl, int n);
-void smartlist_clear(smartlist_t *sl);
-void smartlist_truncate(smartlist_t *sl, int n);
-void smartlist_add(smartlist_t *sl, void *element);
-void smartlist_add_all(smartlist_t *sl, const smartlist_t *s2);
-void smartlist_remove(smartlist_t *sl, void *element);
-int smartlist_isin(const smartlist_t *sl, void *element);
-int smartlist_string_isin(const smartlist_t *sl, const char *element);
-int smartlist_overlap(const smartlist_t *sl1, const smartlist_t *sl2);
-void smartlist_intersect(smartlist_t *sl1, const smartlist_t *sl2);
-void smartlist_subtract(smartlist_t *sl1, const smartlist_t *sl2);
-void *smartlist_choose(const smartlist_t *sl);
-void *smartlist_get(const smartlist_t *sl, int idx);
-void *smartlist_set(smartlist_t *sl, int idx, void *val);
-void *smartlist_del(smartlist_t *sl, int idx);
-void *smartlist_del_keeporder(smartlist_t *sl, int idx);
-void smartlist_insert(smartlist_t *sl, int idx, void *val);
-int smartlist_len(const smartlist_t *sl);
-#define SPLIT_SKIP_SPACE 0x01
-#define SPLIT_IGNORE_BLANK 0x02
-int smartlist_split_string(smartlist_t *sl, const char *str, const char *sep,
- int flags, int max);
-char *smartlist_join_strings(smartlist_t *sl, const char *join, int terminate);
-
-#define SMARTLIST_FOREACH(sl, type, var, cmd) \
- do { \
- int var ## _sl_idx, var ## _sl_len=smartlist_len(sl); \
- type var; \
- for(var ## _sl_idx = 0; var ## _sl_idx < var ## _sl_len; \
- ++var ## _sl_idx) { \
- var = smartlist_get((sl),var ## _sl_idx); \
- cmd; \
- } } while (0)
-
-/* Map from const char * to void*. Implemented with a splay tree. */
-typedef struct strmap_t strmap_t;
-typedef struct strmap_entry_t strmap_entry_t;
-typedef struct strmap_entry_t strmap_iter_t;
-strmap_t* strmap_new(void);
-void* strmap_set(strmap_t *map, const char *key, void *val);
-void* strmap_get(strmap_t *map, const char *key);
-void* strmap_remove(strmap_t *map, const char *key);
-void* strmap_set_lc(strmap_t *map, const char *key, void *val);
-void* strmap_get_lc(strmap_t *map, const char *key);
-void* strmap_remove_lc(strmap_t *map, const char *key);
-typedef void* (*strmap_foreach_fn)(const char *key, void *val, void *data);
-void strmap_foreach(strmap_t *map, strmap_foreach_fn fn, void *data);
-void strmap_free(strmap_t *map, void (*free_val)(void*));
-int strmap_isempty(strmap_t *map);
-
-strmap_iter_t *strmap_iter_init(strmap_t *map);
-strmap_iter_t *strmap_iter_next(strmap_t *map, strmap_iter_t *iter);
-strmap_iter_t *strmap_iter_next_rmv(strmap_t *map, strmap_iter_t *iter);
-void strmap_iter_get(strmap_iter_t *iter, const char **keyp, void **valp);
-
-int strmap_iter_done(strmap_iter_t *iter);
-
-/* String manipulation */
const char *eat_whitespace(const char *s);
const char *eat_whitespace_no_nl(const char *s);
const char *find_whitespace(const char *s);
+
/* Time helpers */
-void tor_gettimeofday(struct timeval *timeval);
long tv_udiff(struct timeval *start, struct timeval *end);
void tv_addms(struct timeval *a, long ms);
void tv_add(struct timeval *a, struct timeval *b);
@@ -218,92 +81,35 @@ int parse_rfc1123_time(const char *buf, time_t *t);
void format_iso_time(char *buf, time_t t);
int parse_iso_time(const char *buf, time_t *t);
+/* File helpers */
int write_all(int fd, const char *buf, size_t count, int isSocket);
int read_all(int fd, char *buf, size_t count, int isSocket);
-void set_socket_nonblocking(int socket);
-
typedef enum { FN_ERROR, FN_NOENT, FN_FILE, FN_DIR} file_status_t;
-
file_status_t file_status(const char *filename);
+
int check_private_dir(const char *dirname, int create);
int write_str_to_file(const char *fname, const char *str, int bin);
char *read_file_to_str(const char *filename, int bin);
int parse_line_from_file(char *line, size_t maxlen, FILE *f, char **key_out, char **value_out);
char *expand_filename(const char *filename);
-int replace_file(const char *from, const char *to);
-
-int spawn_func(int (*func)(void *), void *data);
-void spawn_exit(void);
-
-/* Because we use threads instead of processes on Windows, we need locking on Windows.
- * On Unixy platforms, these functions are no-ops. */
-typedef struct tor_mutex_t tor_mutex_t;
-tor_mutex_t *tor_mutex_new(void);
-void tor_mutex_acquire(tor_mutex_t *m);
-void tor_mutex_release(tor_mutex_t *m);
-void tor_mutex_free(tor_mutex_t *m);
-
-int tor_socketpair(int family, int type, int protocol, int fd[2]);
+/* Net helpers */
int is_internal_IP(uint32_t ip);
int is_local_IP(uint32_t ip);
-
-const char *get_uname(void);
-
-void start_daemon(const char *desired_cwd);
-void finish_daemon(void);
-
-void write_pidfile(char *filename);
-int set_max_file_descriptors(int required_min);
-int switch_id(char *user, char *group);
-
-struct in_addr;
-int tor_inet_aton(const char *cp, struct in_addr *addr);
int tor_lookup_hostname(const char *name, uint32_t *addr);
int parse_addr_port(const char *addrport, char **address, uint32_t *addr,
uint16_t *port);
-
int parse_addr_and_port_range(const char *s, uint32_t *addr_out,
uint32_t *mask_out, uint16_t *port_min_out,
uint16_t *port_max_out);
-/* For stupid historical reasons, windows sockets have an independent
- * set of errnos, and an independent way to get them. Also, you can't
- * always believe WSAEWOULDBLOCK. Use the macros below to compare
- * errnos against expected values, and use tor_socket_errno to find
- * the actual errno after a socket operation fails.
- */
-#ifdef MS_WINDOWS
-/** Return true if e is EAGAIN or the local equivalent. */
-#define ERRNO_IS_EAGAIN(e) ((e) == EAGAIN || (e) == WSAEWOULDBLOCK)
-/** Return true if e is EINPROGRESS or the local equivalent. */
-#define ERRNO_IS_EINPROGRESS(e) ((e) == WSAEINPROGRESS)
-/** Return true if e is EINPROGRESS or the local equivalent as returned by
- * a call to connect(). */
-#define ERRNO_IS_CONN_EINPROGRESS(e) ((e) == WSAEINPROGRESS || (e)== WSAEINVAL)
-/** Return true if e is EAGAIN or another error indicating that a call to
- * accept() has no pending connections to return. */
-#define ERRNO_IS_ACCEPT_EAGAIN(e) ERRNO_IS_EAGAIN(e)
-/** Return true if e is EMFILE or another error indicating that a call to
- * accept() has failed because we're out of fds or something. */
-#define ERRNO_IS_ACCEPT_RESOURCE_LIMIT(e) \
- ((e) == WSAEMFILE || (e) == WSAENOBUFS)
-int tor_socket_errno(int sock);
-const char *tor_socket_strerror(int e);
-#else
-#define ERRNO_IS_EAGAIN(e) ((e) == EAGAIN)
-#define ERRNO_IS_EINPROGRESS(e) ((e) == EINPROGRESS)
-#define ERRNO_IS_CONN_EINPROGRESS(e) ((e) == EINPROGRESS)
-#define ERRNO_IS_ACCEPT_EAGAIN(e) ((e) == EAGAIN || (e) == ECONNABORTED)
-#define ERRNO_IS_ACCEPT_RESOURCE_LIMIT(e) \
- ((e) == EMFILE || (e) == ENFILE || (e) == ENOBUFS || (e) == ENOMEM)
-#define tor_socket_errno(sock) (errno)
-#define tor_socket_strerror(e) strerror(e)
-#endif
+/* Process helpers */
+void start_daemon(const char *desired_cwd);
+void finish_daemon(void);
+void write_pidfile(char *filename);
#endif
-
/*
Local Variables:
mode:c
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