/*
- * "$Id: http-support.c 7952 2008-09-17 00:56:20Z mike $"
+ * HTTP support routines for CUPS.
*
- * HTTP support routines for the Common UNIX Printing System (CUPS) scheduler.
+ * Copyright 2007-2019 by Apple Inc.
+ * Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
- * Copyright 2007-2009 by Apple Inc.
- * Copyright 1997-2007 by Easy Software Products, all rights reserved.
- *
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
- *
- * This file is subject to the Apple OS-Developed Software exception.
- *
- * Contents:
- *
- * httpAssembleURI() - Assemble a uniform resource identifier from its
- * components.
- * httpAssembleURIf() - Assemble a uniform resource identifier from its
- * components with a formatted resource.
- * httpDecode64() - Base64-decode a string.
- * httpDecode64_2() - Base64-decode a string.
- * httpEncode64() - Base64-encode a string.
- * httpEncode64_2() - Base64-encode a string.
- * httpGetDateString() - Get a formatted date/time string from a time value.
- * httpGetDateString2() - Get a formatted date/time string from a time value.
- * httpGetDateTime() - Get a time value from a formatted date/time string.
- * httpSeparate() - Separate a Universal Resource Identifier into its
- * components.
- * httpSeparate2() - Separate a Universal Resource Identifier into its
- * components.
- * httpSeparateURI() - Separate a Universal Resource Identifier into its
- * components.
- * httpStatus() - Return a short string describing a HTTP status code.
- * _cups_hstrerror() - hstrerror() emulation function for Solaris and
- * others...
- * _httpEncodeURI() - Percent-encode a HTTP request URI.
- * _httpResolveURI() - Resolve a DNS-SD URI.
- * http_copy_decode() - Copy and decode a URI.
- * http_copy_encode() - Copy and encode a URI.
- * resolve_callback() - Build a device URI for the given service name.
+ * Licensed under Apache License v2.0. See the file "LICENSE" for more
+ * information.
*/
/*
* Include necessary headers...
*/
-#include "debug.h"
-#include "globals.h"
-#include <stdlib.h>
+#include "cups-private.h"
+#include "debug-internal.h"
#ifdef HAVE_DNSSD
# include <dns_sd.h>
+# ifdef _WIN32
+# include <io.h>
+# elif defined(HAVE_POLL)
+# include <poll.h>
+# else
+# include <sys/select.h>
+# endif /* _WIN32 */
+#elif defined(HAVE_AVAHI)
+# include <avahi-client/client.h>
+# include <avahi-client/lookup.h>
+# include <avahi-common/simple-watch.h>
#endif /* HAVE_DNSSD */
typedef struct _http_uribuf_s /* URI buffer */
{
- char *buffer; /* Pointer to buffer */
- size_t bufsize; /* Size of buffer */
+#ifdef HAVE_AVAHI
+ AvahiSimplePoll *poll; /* Poll state */
+#endif /* HAVE_AVAHI */
+ char *buffer; /* Pointer to buffer */
+ size_t bufsize; /* Size of buffer */
+ int options; /* Options passed to _httpResolveURI */
+ const char *resource; /* Resource from URI */
+ const char *uuid; /* UUID from URI */
} _http_uribuf_t;
* Local globals...
*/
-static const char * const http_days[7] =
+static const char * const http_days[7] =/* Days of the week */
{
"Sun",
"Mon",
"Sat"
};
static const char * const http_months[12] =
- {
+ { /* Months of the year */
"Jan",
"Feb",
"Mar",
"Nov",
"Dec"
};
+static const char * const http_states[] =
+ { /* HTTP state strings */
+ "HTTP_STATE_ERROR",
+ "HTTP_STATE_WAITING",
+ "HTTP_STATE_OPTIONS",
+ "HTTP_STATE_GET",
+ "HTTP_STATE_GET_SEND",
+ "HTTP_STATE_HEAD",
+ "HTTP_STATE_POST",
+ "HTTP_STATE_POST_RECV",
+ "HTTP_STATE_POST_SEND",
+ "HTTP_STATE_PUT",
+ "HTTP_STATE_PUT_RECV",
+ "HTTP_STATE_DELETE",
+ "HTTP_STATE_TRACE",
+ "HTTP_STATE_CONNECT",
+ "HTTP_STATE_STATUS",
+ "HTTP_STATE_UNKNOWN_METHOD",
+ "HTTP_STATE_UNKNOWN_VERSION"
+ };
/*
char *dstend, const char *reserved,
const char *term, int encode);
#ifdef HAVE_DNSSD
-static void resolve_callback(DNSServiceRef sdRef,
- DNSServiceFlags flags,
- uint32_t interfaceIndex,
- DNSServiceErrorType errorCode,
- const char *fullName,
- const char *hostTarget,
- uint16_t port, uint16_t txtLen,
- const unsigned char *txtRecord,
- void *context);
+static void DNSSD_API http_resolve_cb(DNSServiceRef sdRef,
+ DNSServiceFlags flags,
+ uint32_t interfaceIndex,
+ DNSServiceErrorType errorCode,
+ const char *fullName,
+ const char *hostTarget,
+ uint16_t port, uint16_t txtLen,
+ const unsigned char *txtRecord,
+ void *context);
#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+static void http_client_cb(AvahiClient *client,
+ AvahiClientState state, void *simple_poll);
+static int http_poll_cb(struct pollfd *pollfds, unsigned int num_pollfds,
+ int timeout, void *context);
+static void http_resolve_cb(AvahiServiceResolver *resolver,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiResolverEvent event,
+ const char *name, const char *type,
+ const char *domain, const char *host_name,
+ const AvahiAddress *address, uint16_t port,
+ AvahiStringList *txt,
+ AvahiLookupResultFlags flags, void *context);
+#endif /* HAVE_AVAHI */
+
/*
* 'httpAssembleURI()' - Assemble a uniform resource identifier from its
* place of traditional string functions whenever you need to create a
* URI string.
*
- * @since CUPS 1.2/Mac OS X 10.5@
+ * @since CUPS 1.2/macOS 10.5@
*/
http_uri_status_t /* O - URI status */
if (uri)
*uri = '\0';
- return (HTTP_URI_BAD_ARGUMENTS);
+ return (HTTP_URI_STATUS_BAD_ARGUMENTS);
}
/*
if (!ptr)
goto assemble_overflow;
- if (!strcmp(scheme, "mailto"))
+ if (!strcmp(scheme, "geo") || !strcmp(scheme, "mailto") || !strcmp(scheme, "tel"))
{
/*
- * mailto: only has :, no //...
+ * geo:, mailto:, and tel: only have :, no //...
*/
if (ptr < end)
else
{
/*
- * Schemes other than mailto: all have //...
+ * Schemes other than geo:, mailto:, and tel: typically have //...
*/
if ((ptr + 2) < end)
if (host)
{
+ const char *hostptr; /* Pointer into hostname */
+ int have_ipv6; /* Do we have an IPv6 address? */
+
if (username && *username)
{
/*
* Add username@ first...
*/
- ptr = http_copy_encode(ptr, username, end, "/?@", NULL,
+ ptr = http_copy_encode(ptr, username, end, "/?#[]@", NULL,
encoding & HTTP_URI_CODING_USERNAME);
if (!ptr)
* too...
*/
- if (host[0] != '[' && strchr(host, ':') && !strstr(host, "._tcp"))
+ for (hostptr = host,
+ have_ipv6 = strchr(host, ':') && !strstr(host, "._tcp");
+ *hostptr && have_ipv6;
+ hostptr ++)
+ if (*hostptr != ':' && !isxdigit(*hostptr & 255))
+ {
+ have_ipv6 = *hostptr == '%';
+ break;
+ }
+
+ if (have_ipv6)
{
/*
* We have a raw IPv6 address...
*/
- if (strchr(host, '%'))
+ if (strchr(host, '%') && !(encoding & HTTP_URI_CODING_RFC6874))
{
/*
* We have a link-local address, add "[v1." prefix...
else
{
/*
- * We have a normal address, add "[" prefix...
+ * We have a normal (or RFC 6874 link-local) address, add "[" prefix...
*/
if (ptr < end)
while (ptr < end && *host)
{
if (*host == '%')
- {
- *ptr++ = '+'; /* Convert zone separator */
+ {
+ /*
+ * Convert/encode zone separator
+ */
+
+ if (encoding & HTTP_URI_CODING_RFC6874)
+ {
+ if (ptr >= (end - 2))
+ goto assemble_overflow;
+
+ *ptr++ = '%';
+ *ptr++ = '2';
+ *ptr++ = '5';
+ }
+ else
+ *ptr++ = '+';
+
host ++;
}
else
else
{
/*
- * Otherwise, just copy the host string...
+ * Otherwise, just copy the host string (the extra chars are not in the
+ * "reg-name" ABNF rule; anything <= SP or >= DEL plus % gets automatically
+ * percent-encoded.
*/
- ptr = http_copy_encode(ptr, host, end, ":/?#[]@\\", NULL,
+ ptr = http_copy_encode(ptr, host, end, "\"#/:<>?@[\\]^`{|}", NULL,
encoding & HTTP_URI_CODING_HOSTNAME);
if (!ptr)
if (port > 0)
{
- snprintf(ptr, end - ptr + 1, ":%d", port);
+ snprintf(ptr, (size_t)(end - ptr + 1), ":%d", port);
ptr += strlen(ptr);
if (ptr >= end)
*ptr = '\0';
- return (HTTP_URI_OK);
+ return (HTTP_URI_STATUS_OK);
/*
* Clear the URI string and return an overflow error; I don't usually
assemble_overflow:
*uri = '\0';
- return (HTTP_URI_OVERFLOW);
+ return (HTTP_URI_STATUS_OVERFLOW);
}
* this function in place of traditional string functions whenever
* you need to create a URI string.
*
- * @since CUPS 1.2/Mac OS X 10.5@
+ * @since CUPS 1.2/macOS 10.5@
*/
http_uri_status_t /* O - URI status */
if (uri)
*uri = '\0';
- return (HTTP_URI_BAD_ARGUMENTS);
+ return (HTTP_URI_STATUS_BAD_ARGUMENTS);
}
/*
bytes = vsnprintf(resource, sizeof(resource), resourcef, ap);
va_end(ap);
- if (bytes >= sizeof(resource))
+ if ((size_t)bytes >= sizeof(resource))
{
*uri = '\0';
- return (HTTP_URI_OVERFLOW);
+ return (HTTP_URI_STATUS_OVERFLOW);
}
else
return (httpAssembleURI(encoding, uri, urilen, scheme, username, host,
}
+/*
+ * 'httpAssembleUUID()' - Assemble a name-based UUID URN conforming to RFC 4122.
+ *
+ * This function creates a unique 128-bit identifying number using the server
+ * name, port number, random data, and optionally an object name and/or object
+ * number. The result is formatted as a UUID URN as defined in RFC 4122.
+ *
+ * The buffer needs to be at least 46 bytes in size.
+ *
+ * @since CUPS 1.7/macOS 10.9@
+ */
+
+char * /* I - UUID string */
+httpAssembleUUID(const char *server, /* I - Server name */
+ int port, /* I - Port number */
+ const char *name, /* I - Object name or NULL */
+ int number, /* I - Object number or 0 */
+ char *buffer, /* I - String buffer */
+ size_t bufsize) /* I - Size of buffer */
+{
+ char data[1024]; /* Source string for MD5 */
+ unsigned char md5sum[16]; /* MD5 digest/sum */
+
+
+ /*
+ * Build a version 3 UUID conforming to RFC 4122.
+ *
+ * Start with the MD5 sum of the server, port, object name and
+ * number, and some random data on the end.
+ */
+
+ snprintf(data, sizeof(data), "%s:%d:%s:%d:%04x:%04x", server,
+ port, name ? name : server, number,
+ (unsigned)CUPS_RAND() & 0xffff, (unsigned)CUPS_RAND() & 0xffff);
+
+ cupsHashData("md5", (unsigned char *)data, strlen(data), md5sum, sizeof(md5sum));
+
+ /*
+ * Generate the UUID from the MD5...
+ */
+
+ snprintf(buffer, bufsize,
+ "urn:uuid:%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-"
+ "%02x%02x%02x%02x%02x%02x",
+ md5sum[0], md5sum[1], md5sum[2], md5sum[3], md5sum[4], md5sum[5],
+ (md5sum[6] & 15) | 0x30, md5sum[7], (md5sum[8] & 0x3f) | 0x40,
+ md5sum[9], md5sum[10], md5sum[11], md5sum[12], md5sum[13],
+ md5sum[14], md5sum[15]);
+
+ return (buffer);
+}
+
+
/*
* 'httpDecode64()' - Base64-decode a string.
*
* This function is deprecated. Use the httpDecode64_2() function instead
* which provides buffer length arguments.
*
- * @deprecated@
+ * @deprecated@ @exclude all@
*/
char * /* O - Decoded string */
/*
* 'httpDecode64_2()' - Base64-decode a string.
*
- * @since CUPS 1.1.21/Mac OS X 10.4@
+ * The caller must initialize "outlen" to the maximum size of the decoded
+ * string before calling @code httpDecode64_2@. On return "outlen" contains the
+ * decoded length of the string.
+ *
+ * @since CUPS 1.1.21/macOS 10.4@
*/
char * /* O - Decoded string */
int *outlen, /* IO - Size of output string */
const char *in) /* I - String to read from */
{
- int pos, /* Bit position */
- base64; /* Value of this character */
- char *outptr, /* Output pointer */
- *outend; /* End of output buffer */
+ int pos; /* Bit position */
+ unsigned base64; /* Value of this character */
+ char *outptr, /* Output pointer */
+ *outend; /* End of output buffer */
/*
*/
if (*in >= 'A' && *in <= 'Z')
- base64 = *in - 'A';
+ base64 = (unsigned)(*in - 'A');
else if (*in >= 'a' && *in <= 'z')
- base64 = *in - 'a' + 26;
+ base64 = (unsigned)(*in - 'a' + 26);
else if (*in >= '0' && *in <= '9')
- base64 = *in - '0' + 52;
+ base64 = (unsigned)(*in - '0' + 52);
else if (*in == '+')
base64 = 62;
else if (*in == '/')
{
case 0 :
if (outptr < outend)
- *outptr = base64 << 2;
+ *outptr = (char)(base64 << 2);
pos ++;
break;
case 1 :
if (outptr < outend)
- *outptr++ |= (base64 >> 4) & 3;
+ *outptr++ |= (char)((base64 >> 4) & 3);
if (outptr < outend)
- *outptr = (base64 << 4) & 255;
+ *outptr = (char)((base64 << 4) & 255);
pos ++;
break;
case 2 :
if (outptr < outend)
- *outptr++ |= (base64 >> 2) & 15;
+ *outptr++ |= (char)((base64 >> 2) & 15);
if (outptr < outend)
- *outptr = (base64 << 6) & 255;
+ *outptr = (char)((base64 << 6) & 255);
pos ++;
break;
case 3 :
if (outptr < outend)
- *outptr++ |= base64;
+ *outptr++ |= (char)base64;
pos = 0;
break;
}
* This function is deprecated. Use the httpEncode64_2() function instead
* which provides buffer length arguments.
*
- * @deprecated@
+ * @deprecated@ @exclude all@
*/
char * /* O - Encoded string */
/*
* 'httpEncode64_2()' - Base64-encode a string.
*
- * @since CUPS 1.1.21/Mac OS X 10.4@
+ * @since CUPS 1.1.21/macOS 10.4@
*/
char * /* O - Encoded string */
httpEncode64_2(char *out, /* I - String to write to */
- int outlen, /* I - Size of output string */
+ int outlen, /* I - Maximum size of output string */
const char *in, /* I - String to read from */
int inlen) /* I - Size of input string */
{
/*
* 'httpGetDateString()' - Get a formatted date/time string from a time value.
*
- * @deprecated@
+ * @deprecated@ @exclude all@
*/
const char * /* O - Date/time string */
-httpGetDateString(time_t t) /* I - UNIX time */
+httpGetDateString(time_t t) /* I - Time in seconds */
{
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
/*
* 'httpGetDateString2()' - Get a formatted date/time string from a time value.
*
- * @since CUPS 1.2/Mac OS X 10.5@
+ * @since CUPS 1.2/macOS 10.5@
*/
const char * /* O - Date/time string */
-httpGetDateString2(time_t t, /* I - UNIX time */
+httpGetDateString2(time_t t, /* I - Time in seconds */
char *s, /* I - String buffer */
int slen) /* I - Size of string buffer */
{
- struct tm *tdate; /* UNIX date/time data */
+ struct tm tdate; /* UNIX date/time data */
+
+ gmtime_r(&t, &tdate);
- tdate = gmtime(&t);
- snprintf(s, slen, "%s, %02d %s %d %02d:%02d:%02d GMT",
- http_days[tdate->tm_wday], tdate->tm_mday,
- http_months[tdate->tm_mon], tdate->tm_year + 1900,
- tdate->tm_hour, tdate->tm_min, tdate->tm_sec);
+ snprintf(s, (size_t)slen, "%s, %02d %s %d %02d:%02d:%02d GMT", http_days[tdate.tm_wday], tdate.tm_mday, http_months[tdate.tm_mon], tdate.tm_year + 1900, tdate.tm_hour, tdate.tm_min, tdate.tm_sec);
return (s);
}
* 'httpGetDateTime()' - Get a time value from a formatted date/time string.
*/
-time_t /* O - UNIX time */
+time_t /* O - Time in seconds */
httpGetDateTime(const char *s) /* I - Date/time string */
{
int i; /* Looping var */
{ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 };
- DEBUG_printf(("httpGetDateTime(s=\"%s\")\n", s));
+ DEBUG_printf(("2httpGetDateTime(s=\"%s\")", s));
/*
* Extract the date and time from the formatted string...
if (sscanf(s, "%*s%d%15s%d%d:%d:%d", &day, mon, &year, &hour, &min, &sec) < 6)
return (0);
- DEBUG_printf((" day=%d, mon=\"%s\", year=%d, hour=%d, min=%d, sec=%d\n",
- day, mon, year, hour, min, sec));
+ DEBUG_printf(("4httpGetDateTime: day=%d, mon=\"%s\", year=%d, hour=%d, "
+ "min=%d, sec=%d", day, mon, year, hour, min, sec));
+
+ /*
+ * Check for invalid year (RFC 7231 says it's 4DIGIT)
+ */
+
+ if (year > 9999)
+ return (0);
/*
* Convert the month name to a number from 0 to 11.
*/
for (i = 0; i < 12; i ++)
- if (!strcasecmp(mon, http_months[i]))
+ if (!_cups_strcasecmp(mon, http_months[i]))
break;
if (i >= 12)
return (0);
- DEBUG_printf((" i=%d\n", i));
+ DEBUG_printf(("4httpGetDateTime: i=%d", i));
/*
* Now convert the date and time to a UNIX time value in seconds since
else
days = normal_days[i] + day - 1;
- DEBUG_printf((" days=%d\n", days));
+ DEBUG_printf(("4httpGetDateTime: days=%d", days));
days += (year - 1970) * 365 + /* 365 days per year (normally) */
((year - 1) / 4 - 492) - /* + leap days */
((year - 1) / 100 - 19) + /* - 100 year days */
((year - 1) / 400 - 4); /* + 400 year days */
- DEBUG_printf((" days=%d\n", days));
+ DEBUG_printf(("4httpGetDateTime: days=%d\n", days));
return (days * 86400 + hour * 3600 + min * 60 + sec);
}
*
* This function is deprecated; use the httpSeparateURI() function instead.
*
- * @deprecated@
+ * @deprecated@ @exclude all@
*/
void
*
* This function is deprecated; use the httpSeparateURI() function instead.
*
- * @since CUPS 1.1.21/Mac OS X 10.4@
- * @deprecated@
+ * @since CUPS 1.1.21/macOS 10.4@
+ * @deprecated@ @exclude all@
*/
void
* 'httpSeparateURI()' - Separate a Universal Resource Identifier into its
* components.
*
- * @since CUPS 1.2/Mac OS X 10.5@
+ * @since CUPS 1.2/macOS 10.5@
*/
http_uri_status_t /* O - Result of separation */
if (!uri || !port || !scheme || schemelen <= 0 || !username ||
usernamelen <= 0 || !host || hostlen <= 0 || !resource ||
resourcelen <= 0)
- return (HTTP_URI_BAD_ARGUMENTS);
+ return (HTTP_URI_STATUS_BAD_ARGUMENTS);
if (!*uri)
- return (HTTP_URI_BAD_URI);
+ return (HTTP_URI_STATUS_BAD_URI);
/*
* Grab the scheme portion of the URI...
*/
- status = HTTP_URI_OK;
+ status = HTTP_URI_STATUS_OK;
if (!strncmp(uri, "//", 2))
{
* Workaround for HP IPP client bug...
*/
- strlcpy(scheme, "ipp", schemelen);
- status = HTTP_URI_MISSING_SCHEME;
+ strlcpy(scheme, "ipp", (size_t)schemelen);
+ status = HTTP_URI_STATUS_MISSING_SCHEME;
}
else if (*uri == '/')
{
* Filename...
*/
- strlcpy(scheme, "file", schemelen);
- status = HTTP_URI_MISSING_SCHEME;
+ strlcpy(scheme, "file", (size_t)schemelen);
+ status = HTTP_URI_STATUS_MISSING_SCHEME;
}
else
{
for (ptr = scheme, end = scheme + schemelen - 1;
*uri && *uri != ':' && ptr < end;)
- if (isalnum(*uri & 255) || *uri == '-' || *uri == '+' || *uri == '.')
+ if (strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz"
+ "0123456789-+.", *uri) != NULL)
*ptr++ = *uri++;
else
break;
*ptr = '\0';
- if (*uri != ':')
+ if (*uri != ':' || *scheme == '.' || !*scheme)
{
*scheme = '\0';
- return (HTTP_URI_BAD_SCHEME);
+ return (HTTP_URI_STATUS_BAD_SCHEME);
}
uri ++;
*port = 80;
else if (!strcmp(scheme, "https"))
*port = 443;
- else if (!strcmp(scheme, "ipp"))
+ else if (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps"))
*port = 631;
- else if (!strcasecmp(scheme, "lpd"))
+ else if (!_cups_strcasecmp(scheme, "lpd"))
*port = 515;
else if (!strcmp(scheme, "socket")) /* Not yet registered with IANA... */
*port = 9100;
- else if (strcmp(scheme, "file") && strcmp(scheme, "mailto"))
- status = HTTP_URI_UNKNOWN_SCHEME;
+ else if (strcmp(scheme, "file") && strcmp(scheme, "mailto") && strcmp(scheme, "tel"))
+ status = HTTP_URI_STATUS_UNKNOWN_SCHEME;
/*
* Now see if we have a hostname...
if (!uri)
{
*username = '\0';
- return (HTTP_URI_BAD_USERNAME);
+ return (HTTP_URI_STATUS_BAD_USERNAME);
}
uri ++;
*/
uri ++;
- if (!strncmp(uri, "v1.", 3))
- uri += 3; /* Skip IPvN leader... */
+ if (*uri == 'v')
+ {
+ /*
+ * Skip IPvFuture ("vXXXX.") prefix...
+ */
+
+ uri ++;
+
+ while (isxdigit(*uri & 255))
+ uri ++;
+
+ if (*uri != '.')
+ {
+ *host = '\0';
+ return (HTTP_URI_STATUS_BAD_HOSTNAME);
+ }
+
+ uri ++;
+ }
uri = http_copy_decode(host, uri, hostlen, "]",
decoding & HTTP_URI_CODING_HOSTNAME);
if (!uri)
{
*host = '\0';
- return (HTTP_URI_BAD_HOSTNAME);
+ return (HTTP_URI_STATUS_BAD_HOSTNAME);
}
/*
if (*uri != ']')
{
*host = '\0';
- return (HTTP_URI_BAD_HOSTNAME);
+ return (HTTP_URI_STATUS_BAD_HOSTNAME);
}
uri ++;
*ptr = '%';
break;
}
+ else if (*ptr == '%')
+ {
+ /*
+ * Stop at zone separator (RFC 6874)
+ */
+
+ break;
+ }
else if (*ptr != ':' && *ptr != '.' && !isxdigit(*ptr & 255))
{
*host = '\0';
- return (HTTP_URI_BAD_HOSTNAME);
+ return (HTTP_URI_STATUS_BAD_HOSTNAME);
}
}
else
for (ptr = (char *)uri; *ptr; ptr ++)
if (strchr(":?/", *ptr))
break;
- else if (!strchr("abcdefghijklmnopqrstuvwxyz"
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
- "0123456789"
- "-._~"
- "%"
- "!$&'()*+,;=\\", *ptr))
+ else if (!strchr("abcdefghijklmnopqrstuvwxyz" /* unreserved */
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ" /* unreserved */
+ "0123456789" /* unreserved */
+ "-._~" /* unreserved */
+ "%" /* pct-encoded */
+ "!$&'()*+,;=" /* sub-delims */
+ "\\", *ptr)) /* SMB domain */
{
*host = '\0';
- return (HTTP_URI_BAD_HOSTNAME);
+ return (HTTP_URI_STATUS_BAD_HOSTNAME);
}
/*
if (!uri)
{
*host = '\0';
- return (HTTP_URI_BAD_HOSTNAME);
+ return (HTTP_URI_STATUS_BAD_HOSTNAME);
}
}
if (!strcmp(scheme, "file") && strcmp(host, "localhost") && host[0])
{
*host = '\0';
- return (HTTP_URI_BAD_HOSTNAME);
+ return (HTTP_URI_STATUS_BAD_HOSTNAME);
}
/*
if (!isdigit(uri[1] & 255))
{
*port = 0;
- return (HTTP_URI_BAD_PORT);
+ return (HTTP_URI_STATUS_BAD_PORT);
}
- *port = strtol(uri + 1, (char **)&uri, 10);
+ *port = (int)strtol(uri + 1, (char **)&uri, 10);
+
+ if (*port <= 0 || *port > 65535)
+ {
+ *port = 0;
+ return (HTTP_URI_STATUS_BAD_PORT);
+ }
if (*uri != '/' && *uri)
{
*port = 0;
- return (HTTP_URI_BAD_PORT);
+ return (HTTP_URI_STATUS_BAD_PORT);
}
}
}
* Hostname but no path...
*/
- status = HTTP_URI_MISSING_RESOURCE;
+ status = HTTP_URI_STATUS_MISSING_RESOURCE;
*resource = '/';
/*
char *resptr = resource + strlen(resource);
- uri = http_copy_decode(resptr, uri, resourcelen - (int)(resptr - resource),
- NULL, decoding & HTTP_URI_CODING_QUERY);
+ uri = http_copy_decode(resptr, uri,
+ resourcelen - (int)(resptr - resource), NULL,
+ decoding & HTTP_URI_CODING_QUERY);
}
}
if (!uri)
{
*resource = '\0';
- return (HTTP_URI_BAD_RESOURCE);
+ return (HTTP_URI_STATUS_BAD_RESOURCE);
}
/*
/*
- * 'httpStatus()' - Return a short string describing a HTTP status code.
+ * '_httpSetDigestAuthString()' - Calculate a Digest authentication response
+ * using the appropriate RFC 2068/2617/7616
+ * algorithm.
+ */
+
+int /* O - 1 on success, 0 on failure */
+_httpSetDigestAuthString(
+ http_t *http, /* I - HTTP connection */
+ const char *nonce, /* I - Nonce value */
+ const char *method, /* I - HTTP method */
+ const char *resource) /* I - HTTP resource path */
+{
+ char kd[65], /* Final MD5/SHA-256 digest */
+ ha1[65], /* Hash of username:realm:password */
+ ha2[65], /* Hash of method:request-uri */
+ username[HTTP_MAX_VALUE],
+ /* username:password */
+ *password, /* Pointer to password */
+ temp[1024], /* Temporary string */
+ digest[1024]; /* Digest auth data */
+ unsigned char hash[32]; /* Hash buffer */
+ size_t hashsize; /* Size of hash */
+ _cups_globals_t *cg = _cupsGlobals(); /* Per-thread globals */
+
+
+ DEBUG_printf(("2_httpSetDigestAuthString(http=%p, nonce=\"%s\", method=\"%s\", resource=\"%s\")", (void *)http, nonce, method, resource));
+
+ if (nonce && *nonce && strcmp(nonce, http->nonce))
+ {
+ strlcpy(http->nonce, nonce, sizeof(http->nonce));
+
+ if (nonce == http->nextnonce)
+ http->nextnonce[0] = '\0';
+
+ http->nonce_count = 1;
+ }
+ else
+ http->nonce_count ++;
+
+ strlcpy(username, http->userpass, sizeof(username));
+ if ((password = strchr(username, ':')) != NULL)
+ *password++ = '\0';
+ else
+ return (0);
+
+ if (http->algorithm[0])
+ {
+ /*
+ * Follow RFC 2617/7616...
+ */
+
+ int i; /* Looping var */
+ char cnonce[65]; /* cnonce value */
+ const char *hashalg; /* Hashing algorithm */
+
+ for (i = 0; i < 64; i ++)
+ cnonce[i] = "0123456789ABCDEF"[CUPS_RAND() & 15];
+ cnonce[64] = '\0';
+
+ if (!_cups_strcasecmp(http->algorithm, "MD5"))
+ {
+ /*
+ * RFC 2617 Digest with MD5
+ */
+
+ if (cg->digestoptions == _CUPS_DIGESTOPTIONS_DENYMD5)
+ {
+ DEBUG_puts("3_httpSetDigestAuthString: MD5 Digest is disabled.");
+ return (0);
+ }
+
+ hashalg = "md5";
+ }
+ else if (!_cups_strcasecmp(http->algorithm, "SHA-256"))
+ {
+ /*
+ * RFC 7616 Digest with SHA-256
+ */
+
+ hashalg = "sha2-256";
+ }
+ else
+ {
+ /*
+ * Some other algorithm we don't support, skip this one...
+ */
+
+ return (0);
+ }
+
+ /*
+ * Calculate digest value...
+ */
+
+ /* H(A1) = H(username:realm:password) */
+ snprintf(temp, sizeof(temp), "%s:%s:%s", username, http->realm, password);
+ hashsize = (size_t)cupsHashData(hashalg, (unsigned char *)temp, strlen(temp), hash, sizeof(hash));
+ cupsHashString(hash, hashsize, ha1, sizeof(ha1));
+
+ /* H(A2) = H(method:uri) */
+ snprintf(temp, sizeof(temp), "%s:%s", method, resource);
+ hashsize = (size_t)cupsHashData(hashalg, (unsigned char *)temp, strlen(temp), hash, sizeof(hash));
+ cupsHashString(hash, hashsize, ha2, sizeof(ha2));
+
+ /* KD = H(H(A1):nonce:nc:cnonce:qop:H(A2)) */
+ snprintf(temp, sizeof(temp), "%s:%s:%08x:%s:%s:%s", ha1, http->nonce, http->nonce_count, cnonce, "auth", ha2);
+ hashsize = (size_t)cupsHashData(hashalg, (unsigned char *)temp, strlen(temp), hash, sizeof(hash));
+ cupsHashString(hash, hashsize, kd, sizeof(kd));
+
+ /*
+ * Pass the RFC 2617/7616 WWW-Authenticate header...
+ */
+
+ if (http->opaque[0])
+ snprintf(digest, sizeof(digest), "username=\"%s\", realm=\"%s\", nonce=\"%s\", algorithm=%s, qop=auth, opaque=\"%s\", cnonce=\"%s\", nc=%08x, uri=\"%s\", response=\"%s\"", cupsUser(), http->realm, http->nonce, http->algorithm, http->opaque, cnonce, http->nonce_count, resource, kd);
+ else
+ snprintf(digest, sizeof(digest), "username=\"%s\", realm=\"%s\", nonce=\"%s\", algorithm=%s, qop=auth, cnonce=\"%s\", nc=%08x, uri=\"%s\", response=\"%s\"", username, http->realm, http->nonce, http->algorithm, cnonce, http->nonce_count, resource, kd);
+ }
+ else
+ {
+ /*
+ * Use old RFC 2069 Digest method...
+ */
+
+ /* H(A1) = H(username:realm:password) */
+ snprintf(temp, sizeof(temp), "%s:%s:%s", username, http->realm, password);
+ hashsize = (size_t)cupsHashData("md5", (unsigned char *)temp, strlen(temp), hash, sizeof(hash));
+ cupsHashString(hash, hashsize, ha1, sizeof(ha1));
+
+ /* H(A2) = H(method:uri) */
+ snprintf(temp, sizeof(temp), "%s:%s", method, resource);
+ hashsize = (size_t)cupsHashData("md5", (unsigned char *)temp, strlen(temp), hash, sizeof(hash));
+ cupsHashString(hash, hashsize, ha2, sizeof(ha2));
+
+ /* KD = H(H(A1):nonce:H(A2)) */
+ snprintf(temp, sizeof(temp), "%s:%s:%s", ha1, http->nonce, ha2);
+ hashsize = (size_t)cupsHashData("md5", (unsigned char *)temp, strlen(temp), hash, sizeof(hash));
+ cupsHashString(hash, hashsize, kd, sizeof(kd));
+
+ /*
+ * Pass the old RFC 2069 WWW-Authenticate header...
+ */
+
+ snprintf(digest, sizeof(digest), "username=\"%s\", realm=\"%s\", nonce=\"%s\", uri=\"%s\", response=\"%s\"", username, http->realm, http->nonce, resource, kd);
+ }
+
+ httpSetAuthString(http, "Digest", digest);
+
+ return (1);
+}
+
+
+/*
+ * 'httpStateString()' - Return the string describing a HTTP state value.
*
- * The returned string is localized to the current POSIX locale and is based
- * on the status strings defined in RFC 2616.
+ * @since CUPS 2.0/OS 10.10@
+ */
+
+const char * /* O - State string */
+httpStateString(http_state_t state) /* I - HTTP state value */
+{
+ if (state < HTTP_STATE_ERROR || state > HTTP_STATE_UNKNOWN_VERSION)
+ return ("HTTP_STATE_???");
+ else
+ return (http_states[state - HTTP_STATE_ERROR]);
+}
+
+
+/*
+ * '_httpStatus()' - Return the localized string describing a HTTP status code.
+ *
+ * The returned string is localized using the passed message catalog.
*/
const char * /* O - Localized status string */
-httpStatus(http_status_t status) /* I - HTTP status code */
+_httpStatus(cups_lang_t *lang, /* I - Language */
+ http_status_t status) /* I - HTTP status code */
{
const char *s; /* Status string */
- _cups_globals_t *cg = _cupsGlobals(); /* Global data */
- if (!cg->lang_default)
- cg->lang_default = cupsLangDefault();
-
switch (status)
{
- case HTTP_CONTINUE :
+ case HTTP_STATUS_ERROR :
+ s = strerror(errno);
+ break;
+ case HTTP_STATUS_CONTINUE :
s = _("Continue");
break;
- case HTTP_SWITCHING_PROTOCOLS :
+ case HTTP_STATUS_SWITCHING_PROTOCOLS :
s = _("Switching Protocols");
break;
- case HTTP_OK :
+ case HTTP_STATUS_OK :
s = _("OK");
break;
- case HTTP_CREATED :
+ case HTTP_STATUS_CREATED :
s = _("Created");
break;
- case HTTP_ACCEPTED :
+ case HTTP_STATUS_ACCEPTED :
s = _("Accepted");
break;
- case HTTP_NO_CONTENT :
+ case HTTP_STATUS_NO_CONTENT :
s = _("No Content");
break;
- case HTTP_MOVED_PERMANENTLY :
+ case HTTP_STATUS_MOVED_PERMANENTLY :
s = _("Moved Permanently");
break;
- case HTTP_SEE_OTHER :
+ case HTTP_STATUS_FOUND :
+ s = _("Found");
+ break;
+ case HTTP_STATUS_SEE_OTHER :
s = _("See Other");
break;
- case HTTP_NOT_MODIFIED :
+ case HTTP_STATUS_NOT_MODIFIED :
s = _("Not Modified");
break;
- case HTTP_BAD_REQUEST :
+ case HTTP_STATUS_BAD_REQUEST :
s = _("Bad Request");
break;
- case HTTP_UNAUTHORIZED :
+ case HTTP_STATUS_UNAUTHORIZED :
+ case HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED :
s = _("Unauthorized");
break;
- case HTTP_FORBIDDEN :
+ case HTTP_STATUS_FORBIDDEN :
s = _("Forbidden");
break;
- case HTTP_NOT_FOUND :
+ case HTTP_STATUS_NOT_FOUND :
s = _("Not Found");
break;
- case HTTP_REQUEST_TOO_LARGE :
+ case HTTP_STATUS_REQUEST_TOO_LARGE :
s = _("Request Entity Too Large");
break;
- case HTTP_URI_TOO_LONG :
+ case HTTP_STATUS_URI_TOO_LONG :
s = _("URI Too Long");
break;
- case HTTP_UPGRADE_REQUIRED :
+ case HTTP_STATUS_UPGRADE_REQUIRED :
s = _("Upgrade Required");
break;
- case HTTP_NOT_IMPLEMENTED :
+ case HTTP_STATUS_NOT_IMPLEMENTED :
s = _("Not Implemented");
break;
- case HTTP_NOT_SUPPORTED :
+ case HTTP_STATUS_NOT_SUPPORTED :
s = _("Not Supported");
break;
- case HTTP_EXPECTATION_FAILED :
+ case HTTP_STATUS_EXPECTATION_FAILED :
s = _("Expectation Failed");
break;
- case HTTP_SERVICE_UNAVAILABLE :
+ case HTTP_STATUS_SERVICE_UNAVAILABLE :
s = _("Service Unavailable");
break;
- case HTTP_SERVER_ERROR :
+ case HTTP_STATUS_SERVER_ERROR :
s = _("Internal Server Error");
break;
+ case HTTP_STATUS_CUPS_PKI_ERROR :
+ s = _("SSL/TLS Negotiation Error");
+ break;
+ case HTTP_STATUS_CUPS_WEBIF_DISABLED :
+ s = _("Web Interface is Disabled");
+ break;
default :
s = _("Unknown");
break;
}
+ return (_cupsLangString(lang, s));
+}
+
+
+/*
+ * 'httpStatus()' - Return a short string describing a HTTP status code.
+ *
+ * The returned string is localized to the current POSIX locale and is based
+ * on the status strings defined in RFC 7231.
+ */
+
+const char * /* O - Localized status string */
+httpStatus(http_status_t status) /* I - HTTP status code */
+{
+ _cups_globals_t *cg = _cupsGlobals(); /* Global data */
+
+
+ if (!cg->lang_default)
+ cg->lang_default = cupsLangDefault();
+
+ return (_httpStatus(cg->lang_default, status));
+}
+
+/*
+ * 'httpURIStatusString()' - Return a string describing a URI status code.
+ *
+ * @since CUPS 2.0/OS 10.10@
+ */
+
+const char * /* O - Localized status string */
+httpURIStatusString(
+ http_uri_status_t status) /* I - URI status code */
+{
+ const char *s; /* Status string */
+ _cups_globals_t *cg = _cupsGlobals(); /* Global data */
+
+
+ if (!cg->lang_default)
+ cg->lang_default = cupsLangDefault();
+
+ switch (status)
+ {
+ case HTTP_URI_STATUS_OVERFLOW :
+ s = _("URI too large");
+ break;
+ case HTTP_URI_STATUS_BAD_ARGUMENTS :
+ s = _("Bad arguments to function");
+ break;
+ case HTTP_URI_STATUS_BAD_RESOURCE :
+ s = _("Bad resource in URI");
+ break;
+ case HTTP_URI_STATUS_BAD_PORT :
+ s = _("Bad port number in URI");
+ break;
+ case HTTP_URI_STATUS_BAD_HOSTNAME :
+ s = _("Bad hostname/address in URI");
+ break;
+ case HTTP_URI_STATUS_BAD_USERNAME :
+ s = _("Bad username in URI");
+ break;
+ case HTTP_URI_STATUS_BAD_SCHEME :
+ s = _("Bad scheme in URI");
+ break;
+ case HTTP_URI_STATUS_BAD_URI :
+ s = _("Bad/empty URI");
+ break;
+ case HTTP_URI_STATUS_OK :
+ s = _("OK");
+ break;
+ case HTTP_URI_STATUS_MISSING_SCHEME :
+ s = _("Missing scheme in URI");
+ break;
+ case HTTP_URI_STATUS_UNKNOWN_SCHEME :
+ s = _("Unknown scheme in URI");
+ break;
+ case HTTP_URI_STATUS_MISSING_RESOURCE :
+ s = _("Missing resource in URI");
+ break;
+
+ default:
+ s = _("Unknown");
+ break;
+ }
+
return (_cupsLangString(cg->lang_default, s));
}
#ifndef HAVE_HSTRERROR
/*
- * '_cups_hstrerror()' - hstrerror() emulation function for Solaris and others...
+ * '_cups_hstrerror()' - hstrerror() emulation function for Solaris and others.
*/
const char * /* O - Error string */
#endif /* !HAVE_HSTRERROR */
+/*
+ * '_httpDecodeURI()' - Percent-decode a HTTP request URI.
+ */
+
+char * /* O - Decoded URI or NULL on error */
+_httpDecodeURI(char *dst, /* I - Destination buffer */
+ const char *src, /* I - Source URI */
+ size_t dstsize) /* I - Size of destination buffer */
+{
+ if (http_copy_decode(dst, src, (int)dstsize, NULL, 1))
+ return (dst);
+ else
+ return (NULL);
+}
+
+
/*
* '_httpEncodeURI()' - Percent-encode a HTTP request URI.
*/
const char *uri, /* I - DNS-SD URI */
char *resolved_uri, /* I - Buffer for resolved URI */
size_t resolved_size, /* I - Size of URI buffer */
- int logit) /* I - Log progress to stderr? */
+ int options, /* I - Resolve options */
+ int (*cb)(void *context), /* I - Continue callback function */
+ void *context) /* I - Context pointer for callback */
{
char scheme[32], /* URI components... */
userpass[256],
#endif /* DEBUG */
- DEBUG_printf(("_httpResolveURI(uri=\"%s\", resolved_uri=%p, "
- "resolved_size=" CUPS_LLFMT ")\n", uri, resolved_uri,
- CUPS_LLCAST resolved_size));
+ DEBUG_printf(("_httpResolveURI(uri=\"%s\", resolved_uri=%p, resolved_size=" CUPS_LLFMT ", options=0x%x, cb=%p, context=%p)", uri, (void *)resolved_uri, CUPS_LLCAST resolved_size, options, (void *)cb, context));
/*
* Get the device URI...
if ((status = httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme,
sizeof(scheme), userpass, sizeof(userpass),
hostname, sizeof(hostname), &port, resource,
- sizeof(resource))) < HTTP_URI_OK)
+ sizeof(resource))) < HTTP_URI_STATUS_OK)
#else
if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme,
sizeof(scheme), userpass, sizeof(userpass),
hostname, sizeof(hostname), &port, resource,
- sizeof(resource)) < HTTP_URI_OK)
+ sizeof(resource)) < HTTP_URI_STATUS_OK)
#endif /* DEBUG */
{
- if (logit)
- _cupsLangPrintf(stderr, _("Bad device URI \"%s\"!\n"), uri);
+ if (options & _HTTP_RESOLVE_STDERR)
+ _cupsLangPrintFilter(stderr, "ERROR", _("Bad device-uri \"%s\"."), uri);
- DEBUG_printf(("_httpResolveURI: httpSeparateURI returned %d!\n", status));
- DEBUG_puts("_httpResolveURI: Returning NULL");
+ DEBUG_printf(("2_httpResolveURI: httpSeparateURI returned %d!", status));
+ DEBUG_puts("2_httpResolveURI: Returning NULL");
return (NULL);
}
if (strstr(hostname, "._tcp"))
{
-#ifdef HAVE_DNSSD
- DNSServiceRef ref; /* DNS-SD service reference */
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
char *regtype, /* Pointer to type in hostname */
- *domain; /* Pointer to domain in hostname */
+ *domain, /* Pointer to domain in hostname */
+ *uuid, /* Pointer to UUID in URI */
+ *uuidend; /* Pointer to end of UUID in URI */
_http_uribuf_t uribuf; /* URI buffer */
+ int offline = 0; /* offline-report state set? */
+# ifdef HAVE_DNSSD
+ DNSServiceRef ref, /* DNS-SD master service reference */
+ domainref = NULL,/* DNS-SD service reference for domain */
+ ippref = NULL, /* DNS-SD service reference for network IPP */
+ ippsref = NULL, /* DNS-SD service reference for network IPPS */
+ localref; /* DNS-SD service reference for .local */
+ int extrasent = 0; /* Send the domain/IPP/IPPS resolves? */
+# ifdef HAVE_POLL
+ struct pollfd polldata; /* Polling data */
+# else /* select() */
+ fd_set input_set; /* Input set for select() */
+ struct timeval stimeout; /* Timeout value for select() */
+# endif /* HAVE_POLL */
+# elif defined(HAVE_AVAHI)
+ AvahiClient *client; /* Client information */
+ int error; /* Status */
+# endif /* HAVE_DNSSD */
+
+ if (options & _HTTP_RESOLVE_STDERR)
+ fprintf(stderr, "DEBUG: Resolving \"%s\"...\n", hostname);
/*
* Separate the hostname into service name, registration type, and domain...
if (regtype <= hostname)
{
- DEBUG_puts("_httpResolveURI: Bad hostname, returning NULL");
+ DEBUG_puts("2_httpResolveURI: Bad hostname, returning NULL");
return (NULL);
}
- domain = regtype + strlen(regtype) - 1;
- if (domain > regtype && *domain == '.')
- *domain = '\0';
-
for (domain = strchr(regtype, '.');
domain;
domain = strchr(domain + 1, '.'))
if (domain)
*domain++ = '\0';
- uribuf.buffer = resolved_uri;
- uribuf.bufsize = resolved_size;
+ if ((uuid = strstr(resource, "?uuid=")) != NULL)
+ {
+ *uuid = '\0';
+ uuid += 6;
+ if ((uuidend = strchr(uuid, '&')) != NULL)
+ *uuidend = '\0';
+ }
resolved_uri[0] = '\0';
- DEBUG_printf(("_httpResolveURI: Resolving hostname=\"%s\", regtype=\"%s\", "
+ uribuf.buffer = resolved_uri;
+ uribuf.bufsize = resolved_size;
+ uribuf.options = options;
+ uribuf.resource = resource;
+ uribuf.uuid = uuid;
+
+ DEBUG_printf(("2_httpResolveURI: Resolving hostname=\"%s\", regtype=\"%s\", "
"domain=\"%s\"\n", hostname, regtype, domain));
- if (logit)
+ if (options & _HTTP_RESOLVE_STDERR)
{
fputs("STATE: +connecting-to-device\n", stderr);
- fprintf(stderr, "DEBUG: Resolving %s, regtype=%s, domain=%s...\n",
- hostname, regtype, domain);
- _cupsLangPuts(stderr, _("INFO: Looking for printer...\n"));
+ fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"%s\", "
+ "domain=\"local.\"...\n", hostname, regtype);
}
- if (DNSServiceResolve(&ref, 0, 0, hostname, regtype, domain,
- resolve_callback,
- &uribuf) == kDNSServiceErr_NoError)
+ uri = NULL;
+
+# ifdef HAVE_DNSSD
+ if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError)
{
- if (DNSServiceProcessResult(ref) != kDNSServiceErr_NoError &&
- resolved_uri[0])
- uri = NULL;
- else
- uri = resolved_uri;
+ uint32_t myinterface = kDNSServiceInterfaceIndexAny;
+ /* Lookup on any interface */
+
+ if (!strcmp(scheme, "ippusb"))
+ myinterface = kDNSServiceInterfaceIndexLocalOnly;
+
+ localref = ref;
+ if (DNSServiceResolve(&localref,
+ kDNSServiceFlagsShareConnection, myinterface,
+ hostname, regtype, "local.", http_resolve_cb,
+ &uribuf) == kDNSServiceErr_NoError)
+ {
+ int fds; /* Number of ready descriptors */
+ time_t timeout, /* Poll timeout */
+ start_time = time(NULL),/* Start time */
+ end_time = start_time + 90;
+ /* End time */
+
+ while (time(NULL) < end_time)
+ {
+ if (options & _HTTP_RESOLVE_STDERR)
+ _cupsLangPrintFilter(stderr, "INFO", _("Looking for printer."));
+
+ if (cb && !(*cb)(context))
+ {
+ DEBUG_puts("2_httpResolveURI: callback returned 0 (stop)");
+ break;
+ }
+
+ /*
+ * Wakeup every 2 seconds to emit a "looking for printer" message...
+ */
+
+ if ((timeout = end_time - time(NULL)) > 2)
+ timeout = 2;
+
+# ifdef HAVE_POLL
+ polldata.fd = DNSServiceRefSockFD(ref);
+ polldata.events = POLLIN;
+
+ fds = poll(&polldata, 1, (int)(1000 * timeout));
+
+# else /* select() */
+ FD_ZERO(&input_set);
+ FD_SET(DNSServiceRefSockFD(ref), &input_set);
+
+# ifdef _WIN32
+ stimeout.tv_sec = (long)timeout;
+# else
+ stimeout.tv_sec = timeout;
+# endif /* _WIN32 */
+ stimeout.tv_usec = 0;
+
+ fds = select(DNSServiceRefSockFD(ref)+1, &input_set, NULL, NULL,
+ &stimeout);
+# endif /* HAVE_POLL */
+
+ if (fds < 0)
+ {
+ if (errno != EINTR && errno != EAGAIN)
+ {
+ DEBUG_printf(("2_httpResolveURI: poll error: %s", strerror(errno)));
+ break;
+ }
+ }
+ else if (fds == 0)
+ {
+ /*
+ * Wait 2 seconds for a response to the local resolve; if nothing
+ * comes in, do an additional domain resolution...
+ */
+
+ if (extrasent == 0 && domain && _cups_strcasecmp(domain, "local."))
+ {
+ if (options & _HTTP_RESOLVE_STDERR)
+ fprintf(stderr,
+ "DEBUG: Resolving \"%s\", regtype=\"%s\", "
+ "domain=\"%s\"...\n", hostname, regtype,
+ domain ? domain : "");
+
+ domainref = ref;
+ if (DNSServiceResolve(&domainref,
+ kDNSServiceFlagsShareConnection,
+ myinterface, hostname, regtype, domain,
+ http_resolve_cb,
+ &uribuf) == kDNSServiceErr_NoError)
+ extrasent = 1;
+ }
+ else if (extrasent == 0 && !strcmp(scheme, "ippusb"))
+ {
+ if (options & _HTTP_RESOLVE_STDERR)
+ fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"_ipps._tcp\", domain=\"local.\"...\n", hostname);
+
+ ippsref = ref;
+ if (DNSServiceResolve(&ippsref,
+ kDNSServiceFlagsShareConnection,
+ kDNSServiceInterfaceIndexAny, hostname,
+ "_ipps._tcp", domain, http_resolve_cb,
+ &uribuf) == kDNSServiceErr_NoError)
+ extrasent = 1;
+ }
+ else if (extrasent == 1 && !strcmp(scheme, "ippusb"))
+ {
+ if (options & _HTTP_RESOLVE_STDERR)
+ fprintf(stderr, "DEBUG: Resolving \"%s\", regtype=\"_ipp._tcp\", domain=\"local.\"...\n", hostname);
+
+ ippref = ref;
+ if (DNSServiceResolve(&ippref,
+ kDNSServiceFlagsShareConnection,
+ kDNSServiceInterfaceIndexAny, hostname,
+ "_ipp._tcp", domain, http_resolve_cb,
+ &uribuf) == kDNSServiceErr_NoError)
+ extrasent = 2;
+ }
+
+ /*
+ * If it hasn't resolved within 5 seconds set the offline-report
+ * printer-state-reason...
+ */
+
+ if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 &&
+ time(NULL) > (start_time + 5))
+ {
+ fputs("STATE: +offline-report\n", stderr);
+ offline = 1;
+ }
+ }
+ else
+ {
+ if (DNSServiceProcessResult(ref) == kDNSServiceErr_NoError &&
+ resolved_uri[0])
+ {
+ uri = resolved_uri;
+ break;
+ }
+ }
+ }
+
+ if (extrasent)
+ {
+ if (domainref)
+ DNSServiceRefDeallocate(domainref);
+ if (ippref)
+ DNSServiceRefDeallocate(ippref);
+ if (ippsref)
+ DNSServiceRefDeallocate(ippsref);
+ }
+
+ DNSServiceRefDeallocate(localref);
+ }
DNSServiceRefDeallocate(ref);
}
- else
- uri = NULL;
+# else /* HAVE_AVAHI */
+ if ((uribuf.poll = avahi_simple_poll_new()) != NULL)
+ {
+ avahi_simple_poll_set_func(uribuf.poll, http_poll_cb, NULL);
+
+ if ((client = avahi_client_new(avahi_simple_poll_get(uribuf.poll),
+ 0, http_client_cb,
+ &uribuf, &error)) != NULL)
+ {
+ if (avahi_service_resolver_new(client, AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC, hostname,
+ regtype, "local.", AVAHI_PROTO_UNSPEC, 0,
+ http_resolve_cb, &uribuf) != NULL)
+ {
+ time_t start_time = time(NULL),
+ /* Start time */
+ end_time = start_time + 90;
+ /* End time */
+ int pstatus; /* Poll status */
+
+ pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000);
+
+ if (pstatus == 0 && !resolved_uri[0] && domain &&
+ _cups_strcasecmp(domain, "local."))
+ {
+ /*
+ * Resolve for .local hasn't returned anything, try the listed
+ * domain...
+ */
+
+ avahi_service_resolver_new(client, AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC, hostname,
+ regtype, domain, AVAHI_PROTO_UNSPEC, 0,
+ http_resolve_cb, &uribuf);
+ }
+
+ while (!pstatus && !resolved_uri[0] && time(NULL) < end_time)
+ {
+ if ((pstatus = avahi_simple_poll_iterate(uribuf.poll, 2000)) != 0)
+ break;
+
+ /*
+ * If it hasn't resolved within 5 seconds set the offline-report
+ * printer-state-reason...
+ */
+
+ if ((options & _HTTP_RESOLVE_STDERR) && offline == 0 &&
+ time(NULL) > (start_time + 5))
+ {
+ fputs("STATE: +offline-report\n", stderr);
+ offline = 1;
+ }
+ }
- if (logit)
- fputs("STATE: -connecting-to-device\n", stderr);
+ /*
+ * Collect the result (if we got one).
+ */
-#else
+ if (resolved_uri[0])
+ uri = resolved_uri;
+ }
+
+ avahi_client_free(client);
+ }
+
+ avahi_simple_poll_free(uribuf.poll);
+ }
+# endif /* HAVE_DNSSD */
+
+ if (options & _HTTP_RESOLVE_STDERR)
+ {
+ if (uri)
+ {
+ fprintf(stderr, "DEBUG: Resolved as \"%s\"...\n", uri);
+ fputs("STATE: -connecting-to-device,offline-report\n", stderr);
+ }
+ else
+ {
+ fputs("DEBUG: Unable to resolve URI\n", stderr);
+ fputs("STATE: -connecting-to-device\n", stderr);
+ }
+ }
+
+#else /* HAVE_DNSSD || HAVE_AVAHI */
/*
* No DNS-SD support...
*/
uri = NULL;
-#endif /* HAVE_DNSSD */
+#endif /* HAVE_DNSSD || HAVE_AVAHI */
+
+ if ((options & _HTTP_RESOLVE_STDERR) && !uri)
+ _cupsLangPrintFilter(stderr, "INFO", _("Unable to find printer."));
+ }
+ else
+ {
+ /*
+ * Nothing more to do...
+ */
- if (logit && !uri)
- _cupsLangPuts(stderr, _("Unable to find printer!\n"));
+ strlcpy(resolved_uri, uri, resolved_size);
+ uri = resolved_uri;
}
- DEBUG_printf(("_httpResolveURI: Returning \"%s\"\n", uri));
+ DEBUG_printf(("2_httpResolveURI: Returning \"%s\"", uri));
return (uri);
}
+#ifdef HAVE_AVAHI
+/*
+ * 'http_client_cb()' - Client callback for resolving URI.
+ */
+
+static void
+http_client_cb(
+ AvahiClient *client, /* I - Client information */
+ AvahiClientState state, /* I - Current state */
+ void *context) /* I - Pointer to URI buffer */
+{
+ DEBUG_printf(("7http_client_cb(client=%p, state=%d, context=%p)", client,
+ state, context));
+
+ /*
+ * If the connection drops, quit.
+ */
+
+ if (state == AVAHI_CLIENT_FAILURE)
+ {
+ _http_uribuf_t *uribuf = (_http_uribuf_t *)context;
+ /* URI buffer */
+
+ avahi_simple_poll_quit(uribuf->poll);
+ }
+}
+#endif /* HAVE_AVAHI */
+
+
/*
* 'http_copy_decode()' - Copy and decode a URI.
*/
static const char * /* O - New source pointer or NULL on error */
-http_copy_decode(char *dst, /* O - Destination buffer */
+http_copy_decode(char *dst, /* O - Destination buffer */
const char *src, /* I - Source pointer */
int dstsize, /* I - Destination size */
const char *term, /* I - Terminating characters */
else
quoted |= *src - '0';
- *ptr++ = quoted;
+ *ptr++ = (char)quoted;
}
else
{
return (NULL);
}
}
+ else if ((*src & 255) <= 0x20 || (*src & 255) >= 0x7f)
+ {
+ *ptr = '\0';
+ return (NULL);
+ }
else
*ptr++ = *src;
}
*/
static char * /* O - End of current URI */
-http_copy_encode(char *dst, /* O - Destination buffer */
+http_copy_encode(char *dst, /* O - Destination buffer */
const char *src, /* I - Source pointer */
char *dstend, /* I - End of destination buffer */
const char *reserved, /* I - Extra reserved characters */
#ifdef HAVE_DNSSD
/*
- * 'resolve_callback()' - Build a device URI for the given service name.
+ * 'http_resolve_cb()' - Build a device URI for the given service name.
*/
-static void
-resolve_callback(
+static void DNSSD_API
+http_resolve_cb(
DNSServiceRef sdRef, /* I - Service reference */
DNSServiceFlags flags, /* I - Results flags */
uint32_t interfaceIndex, /* I - Interface number */
const unsigned char *txtRecord, /* I - TXT record data */
void *context) /* I - Pointer to URI buffer */
{
- const char *scheme; /* URI scheme */
- char rp[257]; /* Remote printer */
+ _http_uribuf_t *uribuf = (_http_uribuf_t *)context;
+ /* URI buffer */
+ const char *scheme, /* URI scheme */
+ *hostptr, /* Pointer into hostTarget */
+ *reskey, /* "rp" or "rfo" */
+ *resdefault; /* Default path */
+ char resource[257], /* Remote path */
+ fqdn[256]; /* FQDN of the .local name */
const void *value; /* Value from TXT record */
uint8_t valueLen; /* Length of value */
- _http_uribuf_t *uribuf; /* URI buffer */
- DEBUG_printf(("resolve_callback(sdRef=%p, flags=%x, interfaceIndex=%u, "
- "errorCode=%d, fullName=\"%s\", hostTarget=\"%s\", port=%u, "
- "txtLen=%u, txtRecord=%p, context=%p)\n", sdRef, flags,
- interfaceIndex, errorCode, fullName, hostTarget, port, txtLen,
- txtRecord, context));
+ DEBUG_printf(("4http_resolve_cb(sdRef=%p, flags=%x, interfaceIndex=%u, errorCode=%d, fullName=\"%s\", hostTarget=\"%s\", port=%u, txtLen=%u, txtRecord=%p, context=%p)", (void *)sdRef, flags, interfaceIndex, errorCode, fullName, hostTarget, port, txtLen, (void *)txtRecord, context));
+
+ /*
+ * If we have a UUID, compare it...
+ */
+
+ if (uribuf->uuid &&
+ (value = TXTRecordGetValuePtr(txtLen, txtRecord, "UUID",
+ &valueLen)) != NULL)
+ {
+ char uuid[256]; /* UUID value */
+
+ memcpy(uuid, value, valueLen);
+ uuid[valueLen] = '\0';
+
+ if (_cups_strcasecmp(uuid, uribuf->uuid))
+ {
+ if (uribuf->options & _HTTP_RESOLVE_STDERR)
+ fprintf(stderr, "DEBUG: Found UUID %s, looking for %s.", uuid,
+ uribuf->uuid);
+
+ DEBUG_printf(("5http_resolve_cb: Found UUID %s, looking for %s.", uuid,
+ uribuf->uuid));
+ return;
+ }
+ }
/*
* Figure out the scheme from the full name...
*/
- if (strstr(fullName, "._ipp"))
+ if (strstr(fullName, "._ipps") || strstr(fullName, "._ipp-tls"))
+ scheme = "ipps";
+ else if (strstr(fullName, "._ipp") || strstr(fullName, "._fax-ipp"))
scheme = "ipp";
+ else if (strstr(fullName, "._http."))
+ scheme = "http";
+ else if (strstr(fullName, "._https."))
+ scheme = "https";
else if (strstr(fullName, "._printer."))
scheme = "lpd";
else if (strstr(fullName, "._pdl-datastream."))
* Extract the "remote printer" key from the TXT record...
*/
- if ((value = TXTRecordGetValuePtr(txtLen, txtRecord, "rp",
+ if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) &&
+ (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) &&
+ !TXTRecordGetValuePtr(txtLen, txtRecord, "printer-type", &valueLen))
+ {
+ reskey = "rfo";
+ resdefault = "/ipp/faxout";
+ }
+ else
+ {
+ reskey = "rp";
+ resdefault = "/";
+ }
+
+ if ((value = TXTRecordGetValuePtr(txtLen, txtRecord, reskey,
&valueLen)) != NULL)
+ {
+ if (((char *)value)[0] == '/')
+ {
+ /*
+ * Value (incorrectly) has a leading slash already...
+ */
+
+ memcpy(resource, value, valueLen);
+ resource[valueLen] = '\0';
+ }
+ else
+ {
+ /*
+ * Convert to resource by concatenating with a leading "/"...
+ */
+
+ resource[0] = '/';
+ memcpy(resource + 1, value, valueLen);
+ resource[valueLen + 1] = '\0';
+ }
+ }
+ else
{
/*
- * Convert to resource by concatenating with a leading "/"...
+ * Use the default value...
*/
- rp[0] = '/';
- memcpy(rp + 1, value, valueLen);
- rp[valueLen + 1] = '\0';
+ strlcpy(resource, resdefault, sizeof(resource));
+ }
+
+ /*
+ * Lookup the FQDN if needed...
+ */
+
+ if ((uribuf->options & _HTTP_RESOLVE_FQDN) &&
+ (hostptr = hostTarget + strlen(hostTarget) - 7) > hostTarget &&
+ !_cups_strcasecmp(hostptr, ".local."))
+ {
+ /*
+ * OK, we got a .local name but the caller needs a real domain. Start by
+ * getting the IP address of the .local name and then do reverse-lookups...
+ */
+
+ http_addrlist_t *addrlist, /* List of addresses */
+ *addr; /* Current address */
+
+ DEBUG_printf(("5http_resolve_cb: Looking up \"%s\".", hostTarget));
+
+ snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port));
+ if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL)
+ {
+ for (addr = addrlist; addr; addr = addr->next)
+ {
+ int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD);
+
+ if (!error)
+ {
+ DEBUG_printf(("5http_resolve_cb: Found \"%s\".", fqdn));
+
+ if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn ||
+ _cups_strcasecmp(hostptr, ".local"))
+ {
+ hostTarget = fqdn;
+ break;
+ }
+ }
+#ifdef DEBUG
+ else
+ DEBUG_printf(("5http_resolve_cb: \"%s\" did not resolve: %d",
+ httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)),
+ error));
+#endif /* DEBUG */
+ }
+
+ httpAddrFreeList(addrlist);
+ }
}
- else
- rp[0] = '\0';
/*
* Assemble the final device URI...
*/
- uribuf = (_http_uribuf_t *)context;
+ if ((!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) &&
+ !strcmp(uribuf->resource, "/cups"))
+ httpAssembleURIf(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, NULL, hostTarget, ntohs(port), "%s?snmp=false", resource);
+ else
+ httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme, NULL, hostTarget, ntohs(port), resource);
+
+ DEBUG_printf(("5http_resolve_cb: Resolved URI is \"%s\"...", uribuf->buffer));
+}
+
+#elif defined(HAVE_AVAHI)
+/*
+ * 'http_poll_cb()' - Wait for input on the specified file descriptors.
+ *
+ * Note: This function is needed because avahi_simple_poll_iterate is broken
+ * and always uses a timeout of 0 (!) milliseconds.
+ * (Avahi Ticket #364)
+ *
+ * @private@
+ */
- httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, uribuf->bufsize, scheme,
- NULL, hostTarget, ntohs(port), rp);
+static int /* O - Number of file descriptors matching */
+http_poll_cb(
+ struct pollfd *pollfds, /* I - File descriptors */
+ unsigned int num_pollfds, /* I - Number of file descriptors */
+ int timeout, /* I - Timeout in milliseconds (used) */
+ void *context) /* I - User data (unused) */
+{
+ (void)timeout;
+ (void)context;
- DEBUG_printf(("resolve_callback: Resolved URI is \"%s\"...\n",
- uribuf->buffer));
+ return (poll(pollfds, num_pollfds, 2000));
}
-#endif /* HAVE_DNSSD */
/*
- * End of "$Id: http-support.c 7952 2008-09-17 00:56:20Z mike $".
+ * 'http_resolve_cb()' - Build a device URI for the given service name.
*/
+
+static void
+http_resolve_cb(
+ AvahiServiceResolver *resolver, /* I - Resolver (unused) */
+ AvahiIfIndex interface, /* I - Interface index (unused) */
+ AvahiProtocol protocol, /* I - Network protocol (unused) */
+ AvahiResolverEvent event, /* I - Event (found, etc.) */
+ const char *name, /* I - Service name */
+ const char *type, /* I - Registration type */
+ const char *domain, /* I - Domain (unused) */
+ const char *hostTarget, /* I - Hostname */
+ const AvahiAddress *address, /* I - Address (unused) */
+ uint16_t port, /* I - Port number */
+ AvahiStringList *txt, /* I - TXT record */
+ AvahiLookupResultFlags flags, /* I - Lookup flags (unused) */
+ void *context) /* I - Pointer to URI buffer */
+{
+ _http_uribuf_t *uribuf = (_http_uribuf_t *)context;
+ /* URI buffer */
+ const char *scheme, /* URI scheme */
+ *hostptr, /* Pointer into hostTarget */
+ *reskey, /* "rp" or "rfo" */
+ *resdefault; /* Default path */
+ char resource[257], /* Remote path */
+ fqdn[256]; /* FQDN of the .local name */
+ AvahiStringList *pair; /* Current TXT record key/value pair */
+ char *value; /* Value for "rp" key */
+ size_t valueLen = 0; /* Length of "rp" key */
+
+
+ DEBUG_printf(("4http_resolve_cb(resolver=%p, "
+ "interface=%d, protocol=%d, event=%d, name=\"%s\", "
+ "type=\"%s\", domain=\"%s\", hostTarget=\"%s\", address=%p, "
+ "port=%d, txt=%p, flags=%d, context=%p)",
+ resolver, interface, protocol, event, name, type, domain,
+ hostTarget, address, port, txt, flags, context));
+
+ if (event != AVAHI_RESOLVER_FOUND)
+ {
+ avahi_service_resolver_free(resolver);
+ avahi_simple_poll_quit(uribuf->poll);
+ return;
+ }
+
+ /*
+ * If we have a UUID, compare it...
+ */
+
+ if (uribuf->uuid && (pair = avahi_string_list_find(txt, "UUID")) != NULL)
+ {
+ char uuid[256]; /* UUID value */
+
+ avahi_string_list_get_pair(pair, NULL, &value, &valueLen);
+
+ memcpy(uuid, value, valueLen);
+ uuid[valueLen] = '\0';
+
+ if (_cups_strcasecmp(uuid, uribuf->uuid))
+ {
+ if (uribuf->options & _HTTP_RESOLVE_STDERR)
+ fprintf(stderr, "DEBUG: Found UUID %s, looking for %s.", uuid,
+ uribuf->uuid);
+
+ DEBUG_printf(("5http_resolve_cb: Found UUID %s, looking for %s.", uuid,
+ uribuf->uuid));
+ return;
+ }
+ }
+
+ /*
+ * Figure out the scheme from the full name...
+ */
+
+ if (strstr(type, "_ipp."))
+ scheme = "ipp";
+ else if (strstr(type, "_printer."))
+ scheme = "lpd";
+ else if (strstr(type, "_pdl-datastream."))
+ scheme = "socket";
+ else
+ scheme = "riousbprint";
+
+ if (!strncmp(type, "_ipps.", 6) || !strncmp(type, "_ipp-tls.", 9))
+ scheme = "ipps";
+ else if (!strncmp(type, "_ipp.", 5) || !strncmp(type, "_fax-ipp.", 9))
+ scheme = "ipp";
+ else if (!strncmp(type, "_http.", 6))
+ scheme = "http";
+ else if (!strncmp(type, "_https.", 7))
+ scheme = "https";
+ else if (!strncmp(type, "_printer.", 9))
+ scheme = "lpd";
+ else if (!strncmp(type, "_pdl-datastream.", 16))
+ scheme = "socket";
+ else
+ {
+ avahi_service_resolver_free(resolver);
+ avahi_simple_poll_quit(uribuf->poll);
+ return;
+ }
+
+ /*
+ * Extract the remote resource key from the TXT record...
+ */
+
+ if ((uribuf->options & _HTTP_RESOLVE_FAXOUT) &&
+ (!strcmp(scheme, "ipp") || !strcmp(scheme, "ipps")) &&
+ !avahi_string_list_find(txt, "printer-type"))
+ {
+ reskey = "rfo";
+ resdefault = "/ipp/faxout";
+ }
+ else
+ {
+ reskey = "rp";
+ resdefault = "/";
+ }
+
+ if ((pair = avahi_string_list_find(txt, reskey)) != NULL)
+ {
+ avahi_string_list_get_pair(pair, NULL, &value, &valueLen);
+
+ if (value[0] == '/')
+ {
+ /*
+ * Value (incorrectly) has a leading slash already...
+ */
+
+ memcpy(resource, value, valueLen);
+ resource[valueLen] = '\0';
+ }
+ else
+ {
+ /*
+ * Convert to resource by concatenating with a leading "/"...
+ */
+
+ resource[0] = '/';
+ memcpy(resource + 1, value, valueLen);
+ resource[valueLen + 1] = '\0';
+ }
+ }
+ else
+ {
+ /*
+ * Use the default value...
+ */
+
+ strlcpy(resource, resdefault, sizeof(resource));
+ }
+
+ /*
+ * Lookup the FQDN if needed...
+ */
+
+ if ((uribuf->options & _HTTP_RESOLVE_FQDN) &&
+ (hostptr = hostTarget + strlen(hostTarget) - 6) > hostTarget &&
+ !_cups_strcasecmp(hostptr, ".local"))
+ {
+ /*
+ * OK, we got a .local name but the caller needs a real domain. Start by
+ * getting the IP address of the .local name and then do reverse-lookups...
+ */
+
+ http_addrlist_t *addrlist, /* List of addresses */
+ *addr; /* Current address */
+
+ DEBUG_printf(("5http_resolve_cb: Looking up \"%s\".", hostTarget));
+
+ snprintf(fqdn, sizeof(fqdn), "%d", ntohs(port));
+ if ((addrlist = httpAddrGetList(hostTarget, AF_UNSPEC, fqdn)) != NULL)
+ {
+ for (addr = addrlist; addr; addr = addr->next)
+ {
+ int error = getnameinfo(&(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr)), fqdn, sizeof(fqdn), NULL, 0, NI_NAMEREQD);
+
+ if (!error)
+ {
+ DEBUG_printf(("5http_resolve_cb: Found \"%s\".", fqdn));
+
+ if ((hostptr = fqdn + strlen(fqdn) - 6) <= fqdn ||
+ _cups_strcasecmp(hostptr, ".local"))
+ {
+ hostTarget = fqdn;
+ break;
+ }
+ }
+#ifdef DEBUG
+ else
+ DEBUG_printf(("5http_resolve_cb: \"%s\" did not resolve: %d",
+ httpAddrString(&(addr->addr), fqdn, sizeof(fqdn)),
+ error));
+#endif /* DEBUG */
+ }
+
+ httpAddrFreeList(addrlist);
+ }
+ }
+
+ /*
+ * Assemble the final device URI using the resolved hostname...
+ */
+
+ httpAssembleURI(HTTP_URI_CODING_ALL, uribuf->buffer, (int)uribuf->bufsize, scheme,
+ NULL, hostTarget, port, resource);
+ DEBUG_printf(("5http_resolve_cb: Resolved URI is \"%s\".", uribuf->buffer));
+
+ avahi_simple_poll_quit(uribuf->poll);
+}
+#endif /* HAVE_DNSSD */