http_status_t /* O - HTTP status */
cupsGetFile(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
const char *resource, /* I - Resource name */
const char *filename) /* I - Filename */
{
int fd; /* File descriptor */
http_status_t status; /* Status */
/*
* Range check input...
*/
if (!http || !resource || !filename)
{
if (http)
http->error = EINVAL;
return (HTTP_STATUS_ERROR);
}
/*
* Create the file...
*/
if ((fd = open(filename, O_WRONLY | O_EXCL | O_TRUNC)) < 0)
{
/*
* Couldn't open the file!
*/
http->error = errno;
return (HTTP_STATUS_ERROR);
}
/*
* Get the file...
*/
status = cupsGetFd(http, resource, fd);
/*
* If the file couldn't be gotten, then remove the file...
*/
close(fd);
if (status != HTTP_STATUS_OK)
unlink(filename);
/*
* Return the HTTP status code...
*/
return (status);
}
const char * /* O - Filename for PPD file */
cupsGetPPD2(http_t *http, /* I - HTTP connection */
const char *name) /* I - Printer name */
{
int http_port; /* Port number */
char http_hostname[HTTP_MAX_HOST];
/* Hostname associated with connection */
http_t *http2; /* Alternate HTTP connection */
int fd; /* PPD file */
char localhost[HTTP_MAX_URI],/* Local hostname */
hostname[HTTP_MAX_URI], /* Hostname */
resource[HTTP_MAX_URI]; /* Resource name */
int port; /* Port number */
http_status_t status; /* HTTP status from server */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
/*
* Range check input...
*/
DEBUG_printf(("cupsGetPPD2(http=%p, name=\"%s\")\n", http,
name ? name : "(null)"));
if (!http || !name)
{
if (!http)
_cupsSetError(IPP_INTERNAL_ERROR, "No HTTP connection!");
else
_cupsSetError(IPP_INTERNAL_ERROR, "No printer name!");
return (NULL);
}
/*
* Try finding a printer URI for this printer...
*/
if (!cups_get_printer_uri(http, name, hostname, sizeof(hostname), &port,
resource, sizeof(resource), 0))
return (NULL);
DEBUG_printf(("cupsGetPPD3: Printer hostname=\"%s\", port=%d\n", hostname, port));
/*
* Remap local hostname to localhost...
*/
httpGetHostname(NULL, localhost, sizeof(localhost));
DEBUG_printf(("Local hostname=\"%s\"\n", localhost));
if (!strcasecmp(localhost, hostname))
strcpy(hostname, "localhost");
/*
* Get the hostname and port number we are connected to...
*/
httpGetHostname(http, http_hostname, sizeof(http_hostname));
#ifdef AF_INET6
if (http->hostaddr->addr.sa_family == AF_INET6)
http_port = ntohs(http->hostaddr->ipv6.sin6_port);
else
#endif /* AF_INET6 */
if (http->hostaddr->addr.sa_family == AF_INET)
http_port = ntohs(http->hostaddr->ipv4.sin_port);
else
http_port = ippPort();
DEBUG_printf(("Connection hostname=\"%s\", port=%d\n", http_hostname,
http_port));
/*
* Reconnect to the correct server as needed...
*/
if (!strcasecmp(http_hostname, hostname) && port == http_port)
http2 = http;
else if ((http2 = httpConnectEncrypt(hostname, port,
cupsEncryption())) == NULL)
{
DEBUG_puts("Unable to connect to server!");
return (NULL);
}
/*
* Get a temp file...
*/
if ((fd = cupsTempFd(cg->ppd_filename, sizeof(cg->ppd_filename))) < 0)
{
/*
* Can't open file; close the server connection and return NULL...
*/
_cupsSetError(IPP_INTERNAL_ERROR, strerror(errno));
if (http2 != http)
httpClose(http2);
return (NULL);
}
/*
* And send a request to the HTTP server...
*/
strlcat(resource, ".ppd", sizeof(resource));
status = cupsGetFd(http2, resource, fd);
close(fd);
/*
* See if we actually got the file or an error...
*/
if (status != HTTP_OK)
{
switch (status)
{
case HTTP_NOT_FOUND :
_cupsSetError(IPP_NOT_FOUND, httpStatus(status));
break;
case HTTP_UNAUTHORIZED :
_cupsSetError(IPP_NOT_AUTHORIZED, httpStatus(status));
break;
default :
DEBUG_printf(("HTTP error %d mapped to IPP_SERVICE_UNAVAILABLE!\n",
status));
_cupsSetError(IPP_SERVICE_UNAVAILABLE, httpStatus(status));
break;
}
unlink(cg->ppd_filename);
return (NULL);
}
if (http2 != http)
httpClose(http2);
/*
* Return the PPD file...
*/
return (cg->ppd_filename);
}
static void
cups_create_localizations(
http_t *http, /* I - Connection to destination */
cups_dinfo_t *dinfo) /* I - Destination informations */
{
http_t *http2; /* Connection for strings file */
http_status_t status; /* Request status */
ipp_attribute_t *attr; /* "printer-strings-uri" attribute */
char scheme[32], /* URI scheme */
userpass[256], /* Username/password info */
hostname[256], /* Hostname */
resource[1024], /* Resource */
http_hostname[256],
/* Hostname of connection */
tempfile[1024]; /* Temporary filename */
int port; /* Port number */
http_encryption_t encryption; /* Encryption to use */
cups_file_t *temp; /* Temporary file */
/*
* Create an empty message catalog...
*/
dinfo->localizations = _cupsMessageNew(NULL);
/*
* See if there are any localizations...
*/
if ((attr = ippFindAttribute(dinfo->attrs, "printer-strings-uri",
IPP_TAG_URI)) == NULL)
{
/*
* Nope...
*/
DEBUG_puts("4cups_create_localizations: No printer-strings-uri (uri) "
"value.");
return; /* Nope */
}
/*
* Pull apart the URI and determine whether we need to try a different
* server...
*/
if (httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[0].string.text,
scheme, sizeof(scheme), userpass, sizeof(userpass),
hostname, sizeof(hostname), &port, resource,
sizeof(resource)) < HTTP_URI_OK)
{
DEBUG_printf(("4cups_create_localizations: Bad printer-strings-uri value "
"\"%s\".", attr->values[0].string.text));
return;
}
httpGetHostname(http, http_hostname, sizeof(http_hostname));
if (!_cups_strcasecmp(http_hostname, hostname) &&
port == _httpAddrPort(http->hostaddr))
{
/*
* Use the same connection...
*/
http2 = http;
}
else
{
/*
* Connect to the alternate host...
*/
if (!strcmp(scheme, "https"))
encryption = HTTP_ENCRYPT_ALWAYS;
else
encryption = HTTP_ENCRYPT_IF_REQUESTED;
if ((http2 = httpConnectEncrypt(hostname, port, encryption)) == NULL)
{
DEBUG_printf(("4cups_create_localizations: Unable to connect to "
"%s:%d: %s", hostname, port, cupsLastErrorString()));
return;
}
}
/*
* Get a temporary file...
*/
if ((temp = cupsTempFile2(tempfile, sizeof(tempfile))) == NULL)
{
DEBUG_printf(("4cups_create_localizations: Unable to create temporary "
"file: %s", cupsLastErrorString()));
if (http2 != http)
httpClose(http2);
return;
}
status = cupsGetFd(http2, resource, cupsFileNumber(temp));
DEBUG_printf(("4cups_create_localizations: GET %s = %s", resource,
httpStatus(status)));
if (status == HTTP_OK)
{
/*
* Got the file, read it...
*/
char buffer[8192], /* Message buffer */
*id, /* ID string */
*str; /* Translated message */
_cups_message_t *m; /* Current message */
lseek(cupsFileNumber(temp), 0, SEEK_SET);
while (cups_read_strings(temp, buffer, sizeof(buffer), &id, &str))
{
if ((m = malloc(sizeof(_cups_message_t))) == NULL)
break;
m->id = strdup(id);
m->str = strdup(str);
if (m->id && m->str)
cupsArrayAdd(dinfo->localizations, m);
else
{
if (m->id)
free(m->id);
if (m->str)
free(m->str);
free(m);
break;
}
}
}
DEBUG_printf(("4cups_create_localizations: %d messages loaded.",
cupsArrayCount(dinfo->localizations)));
/*
* Cleanup...
*/
unlink(tempfile);
cupsFileClose(temp);
if (http2 != http)
httpClose(http2);
}
static mxml_node_t * /* O - XML file or NULL */
load_xml(const char *reg_file) /* I - Filename or URL */
{
mxml_node_t *xml; /* XML file */
char scheme[256], /* Scheme */
userpass[256], /* Username and password */
hostname[256], /* Hostname */
resource[1024], /* Resource path */
filename[1024]; /* Temporary file */
int port, /* Port number */
fd; /* File descriptor */
if (httpSeparateURI(HTTP_URI_CODING_ALL, reg_file, scheme, sizeof(scheme),
userpass, sizeof(userpass), hostname, sizeof(hostname),
&port, resource, sizeof(resource)) < HTTP_URI_OK)
{
fprintf(stderr, "xmltotest: Bad URI or filename \"%s\".\n", reg_file);
return (NULL);
}
if (!strcmp(scheme, "file"))
{
/*
* Local file...
*/
if ((fd = open(resource, O_RDONLY)) < 0)
{
fprintf(stderr, "xmltotest: Unable to open \"%s\": %s\n", resource,
strerror(errno));
return (NULL);
}
filename[0] = '\0';
}
else if (strcmp(scheme, "http") && strcmp(scheme, "https"))
{
fprintf(stderr, "xmltotest: Unsupported URI scheme \"%s\".\n", scheme);
return (NULL);
}
else
{
http_t *http; /* HTTP connection */
http_encryption_t encryption; /* Encryption to use */
http_status_t status; /* Status of HTTP GET */
if (!strcmp(scheme, "https") || port == 443)
encryption = HTTP_ENCRYPT_ALWAYS;
else
encryption = HTTP_ENCRYPT_IF_REQUESTED;
if ((http = httpConnectEncrypt(hostname, port, encryption)) == NULL)
{
fprintf(stderr, "xmltotest: Unable to connect to \"%s\": %s\n", hostname,
cupsLastErrorString());
return (NULL);
}
if ((fd = cupsTempFd(filename, sizeof(filename))) < 0)
{
fprintf(stderr, "xmltotest: Unable to create temporary file: %s\n",
strerror(errno));
httpClose(http);
return (NULL);
}
status = cupsGetFd(http, resource, fd);
httpClose(http);
if (status != HTTP_OK)
{
fprintf(stderr, "mxmltotest: Unable to get \"%s\": %d\n", reg_file,
status);
close(fd);
unlink(filename);
return (NULL);
}
lseek(fd, 0, SEEK_SET);
}
/*
* Load the XML file...
*/
xml = mxmlLoadFd(NULL, fd, MXML_OPAQUE_CALLBACK);
close(fd);
if (filename[0])
unlink(filename);
return (xml);
}
static http_status_t /* O - Status of request */
get_cupsd_conf(
http_t *http, /* I - Connection to server */
_cups_globals_t *cg, /* I - Global data */
time_t last_update, /* I - Last update time for file */
char *name, /* I - Filename buffer */
size_t namesize, /* I - Size of filename buffer */
int *remote) /* O - Remote file? */
{
int fd; /* Temporary file descriptor */
#ifndef _WIN32
struct stat info; /* cupsd.conf file information */
#endif /* _WIN32 */
http_status_t status; /* Status of getting cupsd.conf */
char host[HTTP_MAX_HOST]; /* Hostname for connection */
/*
* See if we already have the data we need...
*/
httpGetHostname(http, host, sizeof(host));
if (_cups_strcasecmp(cg->cupsd_hostname, host))
invalidate_cupsd_cache(cg);
snprintf(name, namesize, "%s/cupsd.conf", cg->cups_serverroot);
*remote = 0;
#ifndef _WIN32
if (!_cups_strcasecmp(host, "localhost") && !access(name, R_OK))
{
/*
* Read the local file rather than using HTTP...
*/
if (stat(name, &info))
{
char message[1024]; /* Message string */
snprintf(message, sizeof(message),
_cupsLangString(cupsLangDefault(), _("stat of %s failed: %s")),
name, strerror(errno));
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, message, 0);
*name = '\0';
return (HTTP_STATUS_SERVER_ERROR);
}
else if (last_update && info.st_mtime <= last_update)
status = HTTP_STATUS_NOT_MODIFIED;
else
status = HTTP_STATUS_OK;
}
else
#endif /* !_WIN32 */
{
/*
* Read cupsd.conf via a HTTP GET request...
*/
if ((fd = cupsTempFd(name, (int)namesize)) < 0)
{
*name = '\0';
_cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0);
invalidate_cupsd_cache(cg);
return (HTTP_STATUS_SERVER_ERROR);
}
*remote = 1;
httpClearFields(http);
if (last_update)
httpSetField(http, HTTP_FIELD_IF_MODIFIED_SINCE,
httpGetDateString(last_update));
status = cupsGetFd(http, "/admin/conf/cupsd.conf", fd);
close(fd);
if (status != HTTP_STATUS_OK)
{
unlink(name);
*name = '\0';
}
}
return (status);
}
int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments */
char *argv[]) /* I - Command-line arguments */
{
int i; /* Looping var */
ipp_t *event; /* Event from scheduler */
ipp_state_t state; /* IPP event state */
char scheme[32], /* URI scheme ("rss") */
username[256], /* Username for remote RSS */
host[1024], /* Hostname for remote RSS */
resource[1024], /* RSS file */
*options; /* Options */
int port, /* Port number for remote RSS */
max_events; /* Maximum number of events */
http_t *http; /* Connection to remote server */
http_status_t status; /* HTTP GET/PUT status code */
char filename[1024], /* Local filename */
newname[1024]; /* filename.N */
cups_lang_t *language; /* Language information */
ipp_attribute_t *printer_up_time, /* Timestamp on event */
*notify_sequence_number,/* Sequence number */
*notify_printer_uri; /* Printer URI */
char *subject, /* Subject for notification message */
*text, /* Text for notification message */
link_url[1024], /* Link to printer */
link_scheme[32], /* Scheme for link */
link_username[256], /* Username for link */
link_host[1024], /* Host for link */
link_resource[1024]; /* Resource for link */
int link_port; /* Link port */
cups_array_t *rss; /* RSS message array */
_cups_rss_t *msg; /* RSS message */
char baseurl[1024]; /* Base URL */
fd_set input; /* Input set for select() */
struct timeval timeout; /* Timeout for select() */
int changed; /* Has the RSS data changed? */
int exit_status; /* Exit status */
fprintf(stderr, "DEBUG: argc=%d\n", argc);
for (i = 0; i < argc; i ++)
fprintf(stderr, "DEBUG: argv[%d]=\"%s\"\n", i, argv[i]);
/*
* See whether we are publishing this RSS feed locally or remotely...
*/
if (httpSeparateURI(HTTP_URI_CODING_ALL, argv[1], scheme, sizeof(scheme),
username, sizeof(username), host, sizeof(host), &port,
resource, sizeof(resource)) < HTTP_URI_OK)
{
fprintf(stderr, "ERROR: Bad RSS URI \"%s\"!\n", argv[1]);
return (1);
}
max_events = 20;
if ((options = strchr(resource, '?')) != NULL)
{
*options++ = '\0';
if (!strncmp(options, "max_events=", 11))
{
max_events = atoi(options + 11);
if (max_events <= 0)
max_events = 20;
}
}
rss = cupsArrayNew((cups_array_func_t)compare_rss, NULL);
if (host[0])
{
/*
* Remote feed, see if we can get the current file...
*/
int fd; /* Temporary file */
if ((rss_password = strchr(username, ':')) != NULL)
*rss_password++ = '\0';
cupsSetPasswordCB(password_cb);
cupsSetUser(username);
if ((fd = cupsTempFd(filename, sizeof(filename))) < 0)
{
fprintf(stderr, "ERROR: Unable to create temporary file: %s\n",
strerror(errno));
return (1);
}
if ((http = httpConnect(host, port)) == NULL)
{
fprintf(stderr, "ERROR: Unable to connect to %s on port %d: %s\n",
host, port, strerror(errno));
close(fd);
unlink(filename);
return (1);
}
status = cupsGetFd(http, resource, fd);
close(fd);
if (status != HTTP_OK && status != HTTP_NOT_FOUND)
{
fprintf(stderr, "ERROR: Unable to GET %s from %s on port %d: %d %s\n",
resource, host, port, status, httpStatus(status));
httpClose(http);
unlink(filename);
return (1);
}
strlcpy(newname, filename, sizeof(newname));
httpAssembleURI(HTTP_URI_CODING_ALL, baseurl, sizeof(baseurl), "http",
NULL, host, port, resource);
}
else
{
const char *cachedir, /* CUPS_CACHEDIR */
*server_name, /* SERVER_NAME */
*server_port; /* SERVER_PORT */
http = NULL;
if ((cachedir = getenv("CUPS_CACHEDIR")) == NULL)
cachedir = CUPS_CACHEDIR;
if ((server_name = getenv("SERVER_NAME")) == NULL)
server_name = "localhost";
if ((server_port = getenv("SERVER_PORT")) == NULL)
server_port = "631";
snprintf(filename, sizeof(filename), "%s/rss%s", cachedir, resource);
snprintf(newname, sizeof(newname), "%s.N", filename);
httpAssembleURIf(HTTP_URI_CODING_ALL, baseurl, sizeof(baseurl), "http",
NULL, server_name, atoi(server_port), "/rss%s", resource);
}
/*
* Load the previous RSS file, if any...
*/
load_rss(rss, filename);
changed = cupsArrayCount(rss) == 0;
/*
* Localize for the user's chosen language...
*/
language = cupsLangDefault();
/*
* Read events and update the RSS file until we are out of events.
*/
for (exit_status = 0, event = NULL;;)
{
if (changed)
{
/*
* Save the messages to the file again, uploading as needed...
*/
if (save_rss(rss, newname, baseurl))
{
if (http)
{
/*
* Upload the RSS file...
*/
if ((status = cupsPutFile(http, resource, filename)) != HTTP_CREATED)
fprintf(stderr, "ERROR: Unable to PUT %s from %s on port %d: %d %s\n",
resource, host, port, status, httpStatus(status));
}
else
{
/*
* Move the new RSS file over top the old one...
*/
if (rename(newname, filename))
fprintf(stderr, "ERROR: Unable to rename %s to %s: %s\n",
newname, filename, strerror(errno));
}
changed = 0;
}
}
/*
* Wait up to 30 seconds for an event...
*/
timeout.tv_sec = 30;
timeout.tv_usec = 0;
FD_ZERO(&input);
FD_SET(0, &input);
if (select(1, &input, NULL, NULL, &timeout) < 0)
continue;
else if (!FD_ISSET(0, &input))
{
fprintf(stderr, "DEBUG: %s is bored, exiting...\n", argv[1]);
break;
}
/*
* Read the next event...
*/
event = ippNew();
while ((state = ippReadFile(0, event)) != IPP_DATA)
{
if (state <= IPP_IDLE)
break;
}
if (state == IPP_ERROR)
fputs("DEBUG: ippReadFile() returned IPP_ERROR!\n", stderr);
if (state <= IPP_IDLE)
break;
/*
* Collect the info from the event...
*/
printer_up_time = ippFindAttribute(event, "printer-up-time",
IPP_TAG_INTEGER);
notify_sequence_number = ippFindAttribute(event, "notify-sequence-number",
IPP_TAG_INTEGER);
notify_printer_uri = ippFindAttribute(event, "notify-printer-uri",
IPP_TAG_URI);
subject = cupsNotifySubject(language, event);
text = cupsNotifyText(language, event);
if (printer_up_time && notify_sequence_number && subject && text)
{
/*
* Create a new RSS message...
*/
if (notify_printer_uri)
{
httpSeparateURI(HTTP_URI_CODING_ALL,
notify_printer_uri->values[0].string.text,
link_scheme, sizeof(link_scheme),
link_username, sizeof(link_username),
link_host, sizeof(link_host), &link_port,
link_resource, sizeof(link_resource));
httpAssembleURI(HTTP_URI_CODING_ALL, link_url, sizeof(link_url),
"http", link_username, link_host, link_port,
link_resource);
}
msg = new_message(notify_sequence_number->values[0].integer,
xml_escape(subject), xml_escape(text),
notify_printer_uri ? xml_escape(link_url) : NULL,
printer_up_time->values[0].integer);
if (!msg)
{
fprintf(stderr, "ERROR: Unable to create message: %s\n",
strerror(errno));
exit_status = 1;
break;
}
/*
* Add it to the array...
*/
cupsArrayAdd(rss, msg);
changed = 1;
/*
* Trim the array as needed...
*/
while (cupsArrayCount(rss) > max_events)
{
msg = cupsArrayFirst(rss);
cupsArrayRemove(rss, msg);
delete_message(msg);
}
}
if (subject)
free(subject);
if (text)
free(text);
ippDelete(event);
event = NULL;
}
/*
* We only get here when idle or error...
*/
ippDelete(event);
if (http)
{
unlink(filename);
httpClose(http);
}
return (exit_status);
}
http_status_t /* O - HTTP status */
cupsGetPPD3(http_t *http, /* I - HTTP connection or @code CUPS_HTTP_DEFAULT@ */
const char *name, /* I - Destination name */
time_t *modtime, /* IO - Modification time */
char *buffer, /* I - Filename buffer */
size_t bufsize) /* I - Size of filename buffer */
{
int http_port; /* Port number */
char http_hostname[HTTP_MAX_HOST];
/* Hostname associated with connection */
http_t *http2; /* Alternate HTTP connection */
int fd; /* PPD file */
char localhost[HTTP_MAX_URI],/* Local hostname */
hostname[HTTP_MAX_URI], /* Hostname */
resource[HTTP_MAX_URI]; /* Resource name */
int port; /* Port number */
http_status_t status; /* HTTP status from server */
char tempfile[1024] = ""; /* Temporary filename */
_cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
/*
* Range check input...
*/
DEBUG_printf(("cupsGetPPD3(http=%p, name=\"%s\", modtime=%p(%d), buffer=%p, "
"bufsize=%d)", http, name, modtime,
modtime ? (int)*modtime : 0, buffer, (int)bufsize));
if (!name)
{
_cupsSetError(IPP_INTERNAL_ERROR, _("No printer name"), 1);
return (HTTP_NOT_ACCEPTABLE);
}
if (!modtime)
{
_cupsSetError(IPP_INTERNAL_ERROR, _("No modification time"), 1);
return (HTTP_NOT_ACCEPTABLE);
}
if (!buffer || bufsize <= 1)
{
_cupsSetError(IPP_INTERNAL_ERROR, _("Bad filename buffer"), 1);
return (HTTP_NOT_ACCEPTABLE);
}
#ifndef WIN32
/*
* See if the PPD file is available locally...
*/
if (!cg->servername[0])
cupsServer();
if (!_cups_strcasecmp(cg->servername, "localhost"))
{
char ppdname[1024]; /* PPD filename */
struct stat ppdinfo; /* PPD file information */
snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", cg->cups_serverroot,
name);
if (!stat(ppdname, &ppdinfo))
{
/*
* OK, the file exists, use it!
*/
if (buffer[0])
{
unlink(buffer);
if (symlink(ppdname, buffer) && errno != EEXIST)
{
_cupsSetError(IPP_INTERNAL_ERROR, NULL, 0);
return (HTTP_SERVER_ERROR);
}
}
else
{
int tries; /* Number of tries */
const char *tmpdir; /* TMPDIR environment variable */
struct timeval curtime; /* Current time */
/*
* Previously we put root temporary files in the default CUPS temporary
* directory under /var/spool/cups. However, since the scheduler cleans
* out temporary files there and runs independently of the user apps, we
* don't want to use it unless specifically told to by cupsd.
*/
if ((tmpdir = getenv("TMPDIR")) == NULL)
# ifdef __APPLE__
tmpdir = "/private/tmp"; /* /tmp is a symlink to /private/tmp */
# else
tmpdir = "/tmp";
# endif /* __APPLE__ */
/*
* Make the temporary name using the specified directory...
*/
tries = 0;
do
{
/*
* Get the current time of day...
*/
gettimeofday(&curtime, NULL);
/*
* Format a string using the hex time values...
*/
snprintf(buffer, bufsize, "%s/%08lx%05lx", tmpdir,
(unsigned long)curtime.tv_sec,
(unsigned long)curtime.tv_usec);
/*
* Try to make a symlink...
*/
if (!symlink(ppdname, buffer))
break;
tries ++;
}
while (tries < 1000);
if (tries >= 1000)
{
_cupsSetError(IPP_INTERNAL_ERROR, NULL, 0);
return (HTTP_SERVER_ERROR);
}
}
if (*modtime >= ppdinfo.st_mtime)
return (HTTP_NOT_MODIFIED);
else
{
*modtime = ppdinfo.st_mtime;
return (HTTP_OK);
}
}
}
#endif /* !WIN32 */
/*
* Try finding a printer URI for this printer...
*/
if (!http)
if ((http = _cupsConnect()) == NULL)
return (HTTP_SERVICE_UNAVAILABLE);
if (!cups_get_printer_uri(http, name, hostname, sizeof(hostname), &port,
resource, sizeof(resource), 0))
return (HTTP_NOT_FOUND);
DEBUG_printf(("2cupsGetPPD3: Printer hostname=\"%s\", port=%d", hostname,
port));
/*
* Remap local hostname to localhost...
*/
httpGetHostname(NULL, localhost, sizeof(localhost));
DEBUG_printf(("2cupsGetPPD3: Local hostname=\"%s\"", localhost));
if (!_cups_strcasecmp(localhost, hostname))
strcpy(hostname, "localhost");
/*
* Get the hostname and port number we are connected to...
*/
httpGetHostname(http, http_hostname, sizeof(http_hostname));
http_port = _httpAddrPort(http->hostaddr);
DEBUG_printf(("2cupsGetPPD3: Connection hostname=\"%s\", port=%d",
http_hostname, http_port));
/*
* Reconnect to the correct server as needed...
*/
if (!_cups_strcasecmp(http_hostname, hostname) && port == http_port)
http2 = http;
else if ((http2 = httpConnectEncrypt(hostname, port,
cupsEncryption())) == NULL)
{
DEBUG_puts("1cupsGetPPD3: Unable to connect to server");
return (HTTP_SERVICE_UNAVAILABLE);
}
/*
* Get a temp file...
*/
if (buffer[0])
fd = open(buffer, O_CREAT | O_TRUNC | O_WRONLY, 0600);
else
fd = cupsTempFd(tempfile, sizeof(tempfile));
if (fd < 0)
{
/*
* Can't open file; close the server connection and return NULL...
*/
_cupsSetError(IPP_INTERNAL_ERROR, NULL, 0);
if (http2 != http)
httpClose(http2);
return (HTTP_SERVER_ERROR);
}
/*
* And send a request to the HTTP server...
*/
strlcat(resource, ".ppd", sizeof(resource));
if (*modtime > 0)
httpSetField(http2, HTTP_FIELD_IF_MODIFIED_SINCE,
httpGetDateString(*modtime));
status = cupsGetFd(http2, resource, fd);
close(fd);
/*
* See if we actually got the file or an error...
*/
if (status == HTTP_OK)
{
*modtime = httpGetDateTime(httpGetField(http2, HTTP_FIELD_DATE));
if (tempfile[0])
strlcpy(buffer, tempfile, bufsize);
}
else if (status != HTTP_NOT_MODIFIED)
{
_cupsSetHTTPError(status);
if (buffer[0])
unlink(buffer);
else if (tempfile[0])
unlink(tempfile);
}
else if (tempfile[0])
unlink(tempfile);
if (http2 != http)
httpClose(http2);
/*
* Return the PPD file...
*/
DEBUG_printf(("1cupsGetPPD3: Returning status %d", status));
return (status);
}
