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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13473 d0543943-73ff-0310-b7d9-9358b9ac24b2
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Michael Jerris 2009-05-27 23:07:50 +00:00
parent 1900b6c362
commit 67d874eefe
2 changed files with 377 additions and 377 deletions
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476
src/inet_pton.c
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@ -1,238 +1,238 @@
/* This is from the BIND 4.9.4 release, modified to compile by itself */ /* This is from the BIND 4.9.4 release, modified to compile by itself */
/* Copyright (c) 1996 by Internet Software Consortium. /* Copyright (c) 1996 by Internet Software Consortium.
* *
* Permission to use, copy, modify, and distribute this software for any * Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above * purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies. * copyright notice and this permission notice appear in all copies.
* *
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE. * SOFTWARE.
*/ */
#ifndef HAVE_INET_PTON #ifndef HAVE_INET_PTON
#ifdef HAVE_SYS_PARAM_H #ifdef HAVE_SYS_PARAM_H
#include <sys/param.h> #include <sys/param.h>
#endif #endif
#ifdef HAVE_SYS_TYPES_H #ifdef HAVE_SYS_TYPES_H
#include <sys/types.h> #include <sys/types.h>
#endif #endif
#ifdef HAVE_SYS_SOCKET_H #ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h> #include <sys/socket.h>
#endif #endif
#ifdef HAVE_NETINET_IN_H #ifdef HAVE_NETINET_IN_H
#include <netinet/in.h> #include <netinet/in.h>
#endif #endif
#ifdef HAVE_ARPA_INET_H #ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h> #include <arpa/inet.h>
#endif #endif
#include <string.h> #include <string.h>
#include <errno.h> #include <errno.h>
#define IN6ADDRSZ 16 #define IN6ADDRSZ 16
#define INADDRSZ 4 #define INADDRSZ 4
#define INT16SZ 2 #define INT16SZ 2
#ifdef WIN32 #ifdef WIN32
#include <winsock2.h> #include <winsock2.h>
#define EAFNOSUPPORT WSAEAFNOSUPPORT #define EAFNOSUPPORT WSAEAFNOSUPPORT
#endif #endif
/* /*
* WARNING: Don't even consider trying to compile this on a system where * WARNING: Don't even consider trying to compile this on a system where
* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX. * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
*/ */
static int inet_pton4(const char *src, unsigned char *dst); static int inet_pton4(const char *src, unsigned char *dst);
#ifdef ENABLE_IPV6 #ifdef ENABLE_IPV6
static int inet_pton6(const char *src, unsigned char *dst); static int inet_pton6(const char *src, unsigned char *dst);
#endif #endif
/* int /* int
* inet_pton(af, src, dst) * inet_pton(af, src, dst)
* convert from presentation format (which usually means ASCII printable) * convert from presentation format (which usually means ASCII printable)
* to network format (which is usually some kind of binary format). * to network format (which is usually some kind of binary format).
* return: * return:
* 1 if the address was valid for the specified address family * 1 if the address was valid for the specified address family
* 0 if the address wasn't valid (`dst' is untouched in this case) * 0 if the address wasn't valid (`dst' is untouched in this case)
* -1 if some other error occurred (`dst' is untouched in this case, too) * -1 if some other error occurred (`dst' is untouched in this case, too)
* author: * author:
* Paul Vixie, 1996. * Paul Vixie, 1996.
*/ */
int int
switch_inet_pton(int af, const char *src, void *dst) switch_inet_pton(int af, const char *src, void *dst)
{ {
switch (af) { switch (af) {
case AF_INET: case AF_INET:
return (inet_pton4(src, (unsigned char *)dst)); return (inet_pton4(src, (unsigned char *)dst));
#ifdef ENABLE_IPV6 #ifdef ENABLE_IPV6
#ifndef AF_INET6 #ifndef AF_INET6
#define AF_INET6 (AF_MAX+1) /* just to let this compile */ #define AF_INET6 (AF_MAX+1) /* just to let this compile */
#endif #endif
case AF_INET6: case AF_INET6:
return (inet_pton6(src, (unsigned char *)dst)); return (inet_pton6(src, (unsigned char *)dst));
#endif #endif
default: default:
errno = EAFNOSUPPORT; errno = EAFNOSUPPORT;
return (-1); return (-1);
} }
/* NOTREACHED */ /* NOTREACHED */
} }
/* int /* int
* inet_pton4(src, dst) * inet_pton4(src, dst)
* like inet_aton() but without all the hexadecimal and shorthand. * like inet_aton() but without all the hexadecimal and shorthand.
* return: * return:
* 1 if `src' is a valid dotted quad, else 0. * 1 if `src' is a valid dotted quad, else 0.
* notice: * notice:
* does not touch `dst' unless it's returning 1. * does not touch `dst' unless it's returning 1.
* author: * author:
* Paul Vixie, 1996. * Paul Vixie, 1996.
*/ */
static int static int
inet_pton4(const char *src, unsigned char *dst) inet_pton4(const char *src, unsigned char *dst)
{ {
static const char digits[] = "0123456789"; static const char digits[] = "0123456789";
int saw_digit, octets, ch; int saw_digit, octets, ch;
unsigned char tmp[INADDRSZ], *tp; unsigned char tmp[INADDRSZ], *tp;
saw_digit = 0; saw_digit = 0;
octets = 0; octets = 0;
tp = tmp; tp = tmp;
*tp = 0; *tp = 0;
while ((ch = *src++) != '\0') { while ((ch = *src++) != '\0') {
const char *pch; const char *pch;
if ((pch = strchr(digits, ch)) != NULL) { if ((pch = strchr(digits, ch)) != NULL) {
unsigned int val = *tp * 10 + (unsigned int)(pch - digits); unsigned int val = *tp * 10 + (unsigned int)(pch - digits);
if (val > 255) if (val > 255)
return (0); return (0);
*tp = (unsigned char)val; *tp = (unsigned char)val;
if (! saw_digit) { if (! saw_digit) {
if (++octets > 4) if (++octets > 4)
return (0); return (0);
saw_digit = 1; saw_digit = 1;
} }
} else if (ch == '.' && saw_digit) { } else if (ch == '.' && saw_digit) {
if (octets == 4) if (octets == 4)
return (0); return (0);
*++tp = 0; *++tp = 0;
saw_digit = 0; saw_digit = 0;
} else } else
return (0); return (0);
} }
if (octets < 4) if (octets < 4)
return (0); return (0);
/* bcopy(tmp, dst, INADDRSZ); */ /* bcopy(tmp, dst, INADDRSZ); */
memcpy(dst, tmp, INADDRSZ); memcpy(dst, tmp, INADDRSZ);
return (1); return (1);
} }
#ifdef ENABLE_IPV6 #ifdef ENABLE_IPV6
/* int /* int
* inet_pton6(src, dst) * inet_pton6(src, dst)
* convert presentation level address to network order binary form. * convert presentation level address to network order binary form.
* return: * return:
* 1 if `src' is a valid [RFC1884 2.2] address, else 0. * 1 if `src' is a valid [RFC1884 2.2] address, else 0.
* notice: * notice:
* (1) does not touch `dst' unless it's returning 1. * (1) does not touch `dst' unless it's returning 1.
* (2) :: in a full address is silently ignored. * (2) :: in a full address is silently ignored.
* credit: * credit:
* inspired by Mark Andrews. * inspired by Mark Andrews.
* author: * author:
* Paul Vixie, 1996. * Paul Vixie, 1996.
*/ */
static int static int
inet_pton6(const char *src, unsigned char *dst) inet_pton6(const char *src, unsigned char *dst)
{ {
static const char xdigits_l[] = "0123456789abcdef", static const char xdigits_l[] = "0123456789abcdef",
xdigits_u[] = "0123456789ABCDEF"; xdigits_u[] = "0123456789ABCDEF";
unsigned char tmp[IN6ADDRSZ], *tp, *endp, *colonp; unsigned char tmp[IN6ADDRSZ], *tp, *endp, *colonp;
const char *xdigits, *curtok; const char *xdigits, *curtok;
int ch, saw_xdigit; int ch, saw_xdigit;
unsigned int val; unsigned int val;
memset((tp = tmp), 0, IN6ADDRSZ); memset((tp = tmp), 0, IN6ADDRSZ);
endp = tp + IN6ADDRSZ; endp = tp + IN6ADDRSZ;
colonp = NULL; colonp = NULL;
/* Leading :: requires some special handling. */ /* Leading :: requires some special handling. */
if (*src == ':') if (*src == ':')
if (*++src != ':') if (*++src != ':')
return (0); return (0);
curtok = src; curtok = src;
saw_xdigit = 0; saw_xdigit = 0;
val = 0; val = 0;
while ((ch = *src++) != '\0') { while ((ch = *src++) != '\0') {
const char *pch; const char *pch;
if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL) if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL)
pch = strchr((xdigits = xdigits_u), ch); pch = strchr((xdigits = xdigits_u), ch);
if (pch != NULL) { if (pch != NULL) {
val <<= 4; val <<= 4;
val |= (pch - xdigits); val |= (pch - xdigits);
if (val > 0xffff) if (val > 0xffff)
return (0); return (0);
saw_xdigit = 1; saw_xdigit = 1;
continue; continue;
} }
if (ch == ':') { if (ch == ':') {
curtok = src; curtok = src;
if (!saw_xdigit) { if (!saw_xdigit) {
if (colonp) if (colonp)
return (0); return (0);
colonp = tp; colonp = tp;
continue; continue;
} }
if (tp + INT16SZ > endp) if (tp + INT16SZ > endp)
return (0); return (0);
*tp++ = (unsigned char) (val >> 8) & 0xff; *tp++ = (unsigned char) (val >> 8) & 0xff;
*tp++ = (unsigned char) val & 0xff; *tp++ = (unsigned char) val & 0xff;
saw_xdigit = 0; saw_xdigit = 0;
val = 0; val = 0;
continue; continue;
} }
if (ch == '.' && ((tp + INADDRSZ) <= endp) && if (ch == '.' && ((tp + INADDRSZ) <= endp) &&
inet_pton4(curtok, tp) > 0) { inet_pton4(curtok, tp) > 0) {
tp += INADDRSZ; tp += INADDRSZ;
saw_xdigit = 0; saw_xdigit = 0;
break; /* '\0' was seen by inet_pton4(). */ break; /* '\0' was seen by inet_pton4(). */
} }
return (0); return (0);
} }
if (saw_xdigit) { if (saw_xdigit) {
if (tp + INT16SZ > endp) if (tp + INT16SZ > endp)
return (0); return (0);
*tp++ = (unsigned char) (val >> 8) & 0xff; *tp++ = (unsigned char) (val >> 8) & 0xff;
*tp++ = (unsigned char) val & 0xff; *tp++ = (unsigned char) val & 0xff;
} }
if (colonp != NULL) { if (colonp != NULL) {
/* /*
* Since some memmove()'s erroneously fail to handle * Since some memmove()'s erroneously fail to handle
* overlapping regions, we'll do the shift by hand. * overlapping regions, we'll do the shift by hand.
*/ */
const int n = tp - colonp; const int n = tp - colonp;
int i; int i;
for (i = 1; i <= n; i++) { for (i = 1; i <= n; i++) {
endp[- i] = colonp[n - i]; endp[- i] = colonp[n - i];
colonp[n - i] = 0; colonp[n - i] = 0;
} }
tp = endp; tp = endp;
} }
if (tp != endp) if (tp != endp)
return (0); return (0);
/* bcopy(tmp, dst, IN6ADDRSZ); */ /* bcopy(tmp, dst, IN6ADDRSZ); */
memcpy(dst, tmp, IN6ADDRSZ); memcpy(dst, tmp, IN6ADDRSZ);
return (1); return (1);
} }
#endif /* ENABLE_IPV6 */ #endif /* ENABLE_IPV6 */
#endif /* HAVE_INET_PTON */ #endif /* HAVE_INET_PTON */

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src/switch_dso.c
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@ -1,139 +1,139 @@
/* /*
* Cross Platform dso/dll load abstraction * Cross Platform dso/dll load abstraction
* Copyright(C) 2008 Michael Jerris * Copyright(C) 2008 Michael Jerris
* *
* You may opt to use, copy, modify, merge, publish, distribute and/or sell * You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is * copies of the Software, and permit persons to whom the Software is
* furnished to do so. * furnished to do so.
* *
* This work is provided under this license on an "as is" basis, without warranty of any kind, * This work is provided under this license on an "as is" basis, without warranty of any kind,
* either expressed or implied, including, without limitation, warranties that the covered code * either expressed or implied, including, without limitation, warranties that the covered code
* is free of defects, merchantable, fit for a particular purpose or non-infringing. The entire * is free of defects, merchantable, fit for a particular purpose or non-infringing. The entire
* risk as to the quality and performance of the covered code is with you. Should any covered * risk as to the quality and performance of the covered code is with you. Should any covered
* code prove defective in any respect, you (not the initial developer or any other contributor) * code prove defective in any respect, you (not the initial developer or any other contributor)
* assume the cost of any necessary servicing, repair or correction. This disclaimer of warranty * assume the cost of any necessary servicing, repair or correction. This disclaimer of warranty
* constitutes an essential part of this license. No use of any covered code is authorized hereunder * constitutes an essential part of this license. No use of any covered code is authorized hereunder
* except under this disclaimer. * except under this disclaimer.
* *
*/ */
#include <switch.h> #include <switch.h>
#include "switch_dso.h" #include "switch_dso.h"
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#ifdef WIN32 #ifdef WIN32
SWITCH_DECLARE(void) switch_dso_destroy(switch_dso_lib_t *lib) { SWITCH_DECLARE(void) switch_dso_destroy(switch_dso_lib_t *lib) {
if (lib && *lib) { if (lib && *lib) {
FreeLibrary(*lib); FreeLibrary(*lib);
*lib = NULL; *lib = NULL;
} }
} }
SWITCH_DECLARE(switch_dso_lib_t) switch_dso_open(const char *path, int global, char **err) { SWITCH_DECLARE(switch_dso_lib_t) switch_dso_open(const char *path, int global, char **err) {
HINSTANCE lib; HINSTANCE lib;
lib = LoadLibraryEx(path, NULL, 0); lib = LoadLibraryEx(path, NULL, 0);
if (!lib) { if (!lib) {
LoadLibraryEx(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH); LoadLibraryEx(path, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
} }
if (!lib) { if (!lib) {
DWORD error = GetLastError(); DWORD error = GetLastError();
*err = switch_mprintf("dll open error [%ul]\n", error); *err = switch_mprintf("dll open error [%ul]\n", error);
} }
return lib; return lib;
} }
SWITCH_DECLARE(switch_dso_func_t) switch_dso_func_sym(switch_dso_lib_t lib, const char *sym, char **err) { SWITCH_DECLARE(switch_dso_func_t) switch_dso_func_sym(switch_dso_lib_t lib, const char *sym, char **err) {
FARPROC func = GetProcAddress(lib, sym); FARPROC func = GetProcAddress(lib, sym);
if (!func) { if (!func) {
DWORD error = GetLastError(); DWORD error = GetLastError();
*err = switch_mprintf("dll sym error [%ul]\n", error); *err = switch_mprintf("dll sym error [%ul]\n", error);
} }
return (switch_dso_func_t)func; return (switch_dso_func_t)func;
} }
SWITCH_DECLARE(void *) switch_dso_data_sym(switch_dso_lib_t lib, const char *sym, char **err) { SWITCH_DECLARE(void *) switch_dso_data_sym(switch_dso_lib_t lib, const char *sym, char **err) {
FARPROC addr = GetProcAddress(lib, sym); FARPROC addr = GetProcAddress(lib, sym);
if (!addr) { if (!addr) {
DWORD error = GetLastError(); DWORD error = GetLastError();
*err = switch_mprintf("dll sym error [%ul]\n", error); *err = switch_mprintf("dll sym error [%ul]\n", error);
} }
return (void *)(intptr_t)addr; return (void *)(intptr_t)addr;
} }
#else #else
/* /*
** {======================================================================== ** {========================================================================
** This is an implementation of loadlib based on the dlfcn interface. ** This is an implementation of loadlib based on the dlfcn interface.
** The dlfcn interface is available in Linux, SunOS, Solaris, IRIX, FreeBSD, ** The dlfcn interface is available in Linux, SunOS, Solaris, IRIX, FreeBSD,
** NetBSD, AIX 4.2, HPUX 11, and probably most other Unix flavors, at least ** NetBSD, AIX 4.2, HPUX 11, and probably most other Unix flavors, at least
** as an emulation layer on top of native functions. ** as an emulation layer on top of native functions.
** ========================================================================= ** =========================================================================
*/ */
#include <dlfcn.h> #include <dlfcn.h>
void switch_dso_destroy(switch_dso_lib_t *lib) { void switch_dso_destroy(switch_dso_lib_t *lib) {
if (lib && *lib) { if (lib && *lib) {
dlclose(*lib); dlclose(*lib);
*lib = NULL; *lib = NULL;
} }
} }
switch_dso_lib_t switch_dso_open(const char *path, int global, char **err) { switch_dso_lib_t switch_dso_open(const char *path, int global, char **err) {
void *lib; void *lib;
if (global) { if (global) {
lib = dlopen(path, RTLD_NOW | RTLD_GLOBAL); lib = dlopen(path, RTLD_NOW | RTLD_GLOBAL);
} else { } else {
lib = dlopen(path, RTLD_NOW | RTLD_LOCAL); lib = dlopen(path, RTLD_NOW | RTLD_LOCAL);
} }
if (lib == NULL) { if (lib == NULL) {
const char *dlerr = dlerror(); const char *dlerr = dlerror();
/* Work around broken uclibc returning NULL on both dlopen() and dlerror() */ /* Work around broken uclibc returning NULL on both dlopen() and dlerror() */
if (dlerr) { if (dlerr) {
*err = strdup(dlerr); *err = strdup(dlerr);
} else { } else {
*err = strdup("Unknown error"); *err = strdup("Unknown error");
} }
} }
return lib; return lib;
} }
switch_dso_func_t switch_dso_func_sym(switch_dso_lib_t lib, const char *sym, char **err) { switch_dso_func_t switch_dso_func_sym(switch_dso_lib_t lib, const char *sym, char **err) {
void *func = dlsym(lib, sym); void *func = dlsym(lib, sym);
if (!func) { if (!func) {
*err = strdup(dlerror()); *err = strdup(dlerror());
} }
return (switch_dso_func_t)(intptr_t)func; return (switch_dso_func_t)(intptr_t)func;
} }
void *switch_dso_data_sym(switch_dso_lib_t lib, const char *sym, char **err) { void *switch_dso_data_sym(switch_dso_lib_t lib, const char *sym, char **err) {
void *addr = dlsym(lib, sym); void *addr = dlsym(lib, sym);
if (!addr) { if (!addr) {
*err = strdup(dlerror()); *err = strdup(dlerror());
} }
return addr; return addr;
} }
#endif #endif
/* }====================================================== */ /* }====================================================== */
/* For Emacs: /* For Emacs:
* Local Variables: * Local Variables:
* mode:c * mode:c
* indent-tabs-mode:t * indent-tabs-mode:t
* tab-width:4 * tab-width:4
* c-basic-offset:4 * c-basic-offset:4
* End: * End:
* For VIM: * For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 * vim:set softtabstop=4 shiftwidth=4 tabstop=4
*/ */