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/*
HTTP utility functions
Copyright (C) 1999-2006, Joe Orton <joe@manyfish.co.uk>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA
*/
#include "config.h"
#include <sys/types.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <stdio.h>
#include <ctype.h> /* isdigit() for ne_parse_statusline */
#ifdef NE_HAVE_ZLIB
#include <zlib.h>
#endif
#ifdef HAVE_OPENSSL
#include <openssl/opensslv.h>
#endif
#ifdef HAVE_GNUTLS
#include <gnutls/gnutls.h>
#endif
/* libxml2: pick up the version string. */
#if defined(HAVE_LIBXML)
#include <libxml/xmlversion.h>
#elif defined(HAVE_EXPAT) && !defined(HAVE_XMLPARSE_H)
#include <expat.h>
#endif
#include "ne_utils.h"
#include "ne_string.h" /* for ne_strdup */
#include "ne_dates.h"
int ne_debug_mask = 0;
FILE *ne_debug_stream = NULL;
void ne_debug_init(FILE *stream, int mask)
{
ne_debug_stream = stream;
ne_debug_mask = mask;
#if defined(HAVE_SETVBUF) && defined(_IONBF)
/* If possible, turn off buffering on the debug log. this is very
* helpful if debugging segfaults. */
if (stream) setvbuf(stream, NULL, _IONBF, 0);
#endif
}
void ne_debug(int ch, const char *template, ...)
{
va_list params;
if ((ch & ne_debug_mask) == 0) return;
fflush(stdout);
va_start(params, template);
vfprintf(ne_debug_stream, template, params);
va_end(params);
if ((ch & NE_DBG_FLUSH) == NE_DBG_FLUSH)
fflush(ne_debug_stream);
}
#define NE_STRINGIFY(x) # x
#define NE_EXPAT_VER(x,y,z) NE_STRINGIFY(x) "." NE_STRINGIFY(y) "." NE_STRINGIFY(z)
static const char version_string[] = "neon " NEON_VERSION ": "
#ifdef NEON_IS_LIBRARY
"Library build"
#else
"Bundled build"
#endif
#ifdef NE_HAVE_IPV6
", IPv6"
#endif
#ifdef HAVE_EXPAT
", Expat"
/* expat >=1.95.2 exported the version */
#ifdef XML_MAJOR_VERSION
" " NE_EXPAT_VER(XML_MAJOR_VERSION, XML_MINOR_VERSION, XML_MICRO_VERSION)
#endif
#else /* !HAVE_EXPAT */
#ifdef HAVE_LIBXML
", libxml " LIBXML_DOTTED_VERSION
#endif /* HAVE_LIBXML */
#endif /* !HAVE_EXPAT */
#if defined(NE_HAVE_ZLIB) && defined(ZLIB_VERSION)
", zlib " ZLIB_VERSION
#endif /* NE_HAVE_ZLIB && ... */
#ifdef NE_HAVE_SOCKS
", SOCKSv5"
#endif
#ifdef NE_HAVE_LFS
", LFS"
#endif
#ifdef HAVE_OPENSSL
#ifdef OPENSSL_VERSION_TEXT
", " OPENSSL_VERSION_TEXT
#else
"OpenSSL (unknown version)"
#endif /* OPENSSL_VERSION_TEXT */
#endif /* HAVE_OPENSSL */
#ifdef HAVE_GNUTLS
", GNU TLS " LIBGNUTLS_VERSION
#endif /* HAVE_GNUTLS */
#ifdef HAVE_SSPI
", SSPI"
#endif /* HAVE_SSPI */
#ifdef HAVE_PAKCHOIS
", PKCS#11"
#endif
"."
;
const char *ne_version_string(void)
{
return version_string;
}
int ne_version_match(int major, int minor)
{
return NE_VERSION_MAJOR != major || NE_VERSION_MINOR < minor
|| (NE_VERSION_MAJOR == 0 && NE_VERSION_MINOR != minor);
}
int ne_has_support(int feature)
{
switch (feature) {
#if defined(NE_HAVE_SSL) || defined(NE_HAVE_ZLIB) || defined(NE_HAVE_IPV6) \
|| defined(NE_HAVE_SOCKS) || defined(NE_HAVE_LFS) \
|| defined(NE_HAVE_TS_SSL) || defined(NE_HAVE_I18N) || defined(HAVE_SSPI)
#ifdef NE_HAVE_SSL
case NE_FEATURE_SSL:
#endif
#ifdef NE_HAVE_ZLIB
case NE_FEATURE_ZLIB:
#endif
#ifdef NE_HAVE_IPV6
case NE_FEATURE_IPV6:
#endif
#ifdef NE_HAVE_SOCKS
case NE_FEATURE_SOCKS:
#endif
#ifdef NE_HAVE_LFS
case NE_FEATURE_LFS:
#endif
#ifdef NE_HAVE_TS_SSL
case NE_FEATURE_TS_SSL:
#endif
#ifdef NE_HAVE_I18N
case NE_FEATURE_I18N:
#endif
#ifdef HAVE_SSPI
case NE_FEATURE_SSPI:
#endif
return 1;
#endif /* NE_HAVE_* */
default:
return 0;
}
}
int ne_parse_statusline(const char *status_line, ne_status *st)
{
const char *part;
int major, minor, status_code, klass;
/* skip leading garbage if any. */
part = strstr(status_line, "HTTP/");
if (part == NULL) return -1;
minor = major = 0;
/* Parse version string, skipping leading zeroes. */
for (part += 5; *part != '\0' && isdigit(*part); part++)
major = major*10 + (*part-'0');
if (*part++ != '.') return -1;
for (;*part != '\0' && isdigit(*part); part++)
minor = minor*10 + (*part-'0');
if (*part != ' ') return -1;
/* Skip any spaces */
for (; *part == ' '; part++) /* noop */;
/* Parse the Status-Code; part now points at the first Y in
* "HTTP/x.x YYY". */
if (!isdigit(part[0]) || !isdigit(part[1]) || !isdigit(part[2]) ||
(part[3] != '\0' && part[3] != ' ')) return -1;
status_code = 100*(part[0]-'0') + 10*(part[1]-'0') + (part[2]-'0');
klass = part[0]-'0';
/* Skip whitespace between status-code and reason-phrase */
for (part+=3; *part == ' ' || *part == '\t'; part++) /* noop */;
/* part now may be pointing to \0 if reason phrase is blank */
/* Fill in the results */
st->major_version = major;
st->minor_version = minor;
st->reason_phrase = ne_strclean(ne_strdup(part));
st->code = status_code;
st->klass = klass;
return 0;
}
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