char * /* O - Name of PPD file or @code NULL@ on error */ cupsGetServerPPD(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *name) /* I - Name of PPD file ("ppd-name") */ { int fd; /* PPD file descriptor */ ipp_t *request; /* IPP request */ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ /* * Range check input... */ if (!name) { _cupsSetError(IPP_INTERNAL_ERROR, _("No PPD name"), 1); return (NULL); } if (!http) if ((http = _cupsConnect()) == NULL) 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, NULL, 0); return (NULL); } /* * Get the PPD file... */ request = ippNewRequest(CUPS_GET_PPD); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "ppd-name", NULL, name); ippDelete(cupsDoIORequest(http, request, "/", -1, fd)); close(fd); if (cupsLastError() != IPP_OK) { unlink(cg->ppd_filename); return (NULL); } else return (cg->ppd_filename); }
const char * /* O - Default printer or @code NULL@ */ cupsGetDefault2(http_t *http) /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ { ipp_t *request, /* IPP Request */ *response; /* IPP Response */ ipp_attribute_t *attr; /* Current attribute */ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ /* * See if we have a user default printer set... */ if (_cupsUserDefault(cg->def_printer, sizeof(cg->def_printer))) return (cg->def_printer); /* * Connect to the server as needed... */ if (!http) if ((http = _cupsConnect()) == NULL) return (NULL); /* * Build a CUPS_GET_DEFAULT request, which requires the following * attributes: * * attributes-charset * attributes-natural-language */ request = ippNewRequest(CUPS_GET_DEFAULT); /* * Do the request and get back a response... */ if ((response = cupsDoRequest(http, request, "/")) != NULL) { if ((attr = ippFindAttribute(response, "printer-name", IPP_TAG_NAME)) != NULL) { strlcpy(cg->def_printer, attr->values[0].string.text, sizeof(cg->def_printer)); ippDelete(response); return (cg->def_printer); } ippDelete(response); } return (NULL); }
const char * /* O - Password */ cupsGetPassword2(const char *prompt, /* I - Prompt string */ http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *method, /* I - Request method ("GET", "POST", "PUT") */ const char *resource) /* I - Resource path */ { _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ if (!http) http = _cupsConnect(); return ((cg->password_cb)(prompt, http, method, resource, cg->password_data)); }
int /* O - 0 on success, -1 on error */ cupsDoAuthentication( http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *method, /* I - Request method ("GET", "POST", "PUT") */ const char *resource) /* I - Resource path */ { const char *password, /* Password string */ *www_auth; /* WWW-Authenticate header */ char prompt[1024], /* Prompt for user */ realm[HTTP_MAX_VALUE], /* realm="xyz" string */ nonce[HTTP_MAX_VALUE]; /* nonce="xyz" string */ int localauth; /* Local authentication result */ _cups_globals_t *cg; /* Global data */ DEBUG_printf(("cupsDoAuthentication(http=%p, method=\"%s\", resource=\"%s\")", http, method, resource)); if (!http) http = _cupsConnect(); if (!http || !method || !resource) return (-1); DEBUG_printf(("2cupsDoAuthentication: digest_tries=%d, userpass=\"%s\"", http->digest_tries, http->userpass)); DEBUG_printf(("2cupsDoAuthentication: WWW-Authenticate=\"%s\"", httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE))); /* * Clear the current authentication string... */ httpSetAuthString(http, NULL, NULL); /* * See if we can do local authentication... */ if (http->digest_tries < 3) { if ((localauth = cups_local_auth(http)) == 0) { DEBUG_printf(("2cupsDoAuthentication: authstring=\"%s\"", http->authstring)); if (http->status == HTTP_STATUS_UNAUTHORIZED) http->digest_tries ++; return (0); } else if (localauth == -1) { http->status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED; return (-1); /* Error or canceled */ } } /* * Nope, see if we should retry the current username:password... */ www_auth = http->fields[HTTP_FIELD_WWW_AUTHENTICATE]; if ((http->digest_tries > 1 || !http->userpass[0]) && (!_cups_strncasecmp(www_auth, "Basic", 5) || !_cups_strncasecmp(www_auth, "Digest", 6))) { /* * Nope - get a new password from the user... */ char default_username[HTTP_MAX_VALUE]; /* Default username */ cg = _cupsGlobals(); if (!cg->lang_default) cg->lang_default = cupsLangDefault(); if (httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "username", default_username)) cupsSetUser(default_username); snprintf(prompt, sizeof(prompt), _cupsLangString(cg->lang_default, _("Password for %s on %s? ")), cupsUser(), http->hostname[0] == '/' ? "localhost" : http->hostname); http->digest_tries = _cups_strncasecmp(www_auth, "Digest", 6) != 0; http->userpass[0] = '\0'; if ((password = cupsGetPassword2(prompt, http, method, resource)) == NULL) { http->status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED; return (-1); } snprintf(http->userpass, sizeof(http->userpass), "%s:%s", cupsUser(), password); } else if (http->status == HTTP_STATUS_UNAUTHORIZED) http->digest_tries ++; if (http->status == HTTP_STATUS_UNAUTHORIZED && http->digest_tries >= 3) { DEBUG_printf(("1cupsDoAuthentication: Too many authentication tries (%d)", http->digest_tries)); http->status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED; return (-1); } /* * Got a password; encode it for the server... */ #ifdef HAVE_GSSAPI if (!_cups_strncasecmp(www_auth, "Negotiate", 9)) { /* * Kerberos authentication... */ if (_cupsSetNegotiateAuthString(http, method, resource)) { http->status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED; return (-1); } } else #endif /* HAVE_GSSAPI */ if (!_cups_strncasecmp(www_auth, "Basic", 5)) { /* * Basic authentication... */ char encode[256]; /* Base64 buffer */ httpEncode64_2(encode, sizeof(encode), http->userpass, (int)strlen(http->userpass)); httpSetAuthString(http, "Basic", encode); } else if (!_cups_strncasecmp(www_auth, "Digest", 6)) { /* * Digest authentication... */ char encode[33], /* MD5 buffer */ digest[1024]; /* Digest auth data */ httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "realm", realm); httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "nonce", nonce); httpMD5(cupsUser(), realm, strchr(http->userpass, ':') + 1, encode); httpMD5Final(nonce, method, resource, encode); snprintf(digest, sizeof(digest), "username=\"%s\", realm=\"%s\", nonce=\"%s\", uri=\"%s\", " "response=\"%s\"", cupsUser(), realm, nonce, resource, encode); httpSetAuthString(http, "Digest", digest); } else { DEBUG_printf(("1cupsDoAuthentication: Unknown auth type: \"%s\"", www_auth)); http->status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED; return (-1); } DEBUG_printf(("1cupsDoAuthentication: authstring=\"%s\"", http->authstring)); return (0); }
http_status_t /* O - Initial HTTP status */ cupsSendRequest(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ ipp_t *request, /* I - IPP request */ const char *resource, /* I - Resource path */ size_t length) /* I - Length of data to follow or @code CUPS_LENGTH_VARIABLE@ */ { http_status_t status; /* Status of HTTP request */ int got_status; /* Did we get the status? */ ipp_state_t state; /* State of IPP processing */ http_status_t expect; /* Expect: header to use */ DEBUG_printf(("cupsSendRequest(http=%p, request=%p(%s), resource=\"%s\", " "length=" CUPS_LLFMT ")", http, request, request ? ippOpString(request->request.op.operation_id) : "?", resource, CUPS_LLCAST length)); /* * Range check input... */ if (!request || !resource) { _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); return (HTTP_STATUS_ERROR); } /* * Get the default connection as needed... */ if (!http) if ((http = _cupsConnect()) == NULL) return (HTTP_STATUS_SERVICE_UNAVAILABLE); /* * If the prior request was not flushed out, do so now... */ if (http->state == HTTP_STATE_GET_SEND || http->state == HTTP_STATE_POST_SEND) { DEBUG_puts("2cupsSendRequest: Flush prior response."); httpFlush(http); } else if (http->state != HTTP_STATE_WAITING) { DEBUG_printf(("1cupsSendRequest: Unknown HTTP state (%d), " "reconnecting.", http->state)); if (httpReconnect2(http, 30000, NULL)) return (HTTP_STATUS_ERROR); } #ifdef HAVE_SSL /* * See if we have an auth-info attribute and are communicating over * a non-local link. If so, encrypt the link so that we can pass * the authentication information securely... */ if (ippFindAttribute(request, "auth-info", IPP_TAG_TEXT) && !httpAddrLocalhost(http->hostaddr) && !http->tls && httpEncryption(http, HTTP_ENCRYPTION_REQUIRED)) { DEBUG_puts("1cupsSendRequest: Unable to encrypt connection."); return (HTTP_STATUS_SERVICE_UNAVAILABLE); } #endif /* HAVE_SSL */ /* * Reconnect if the last response had a "Connection: close"... */ if (!_cups_strcasecmp(http->fields[HTTP_FIELD_CONNECTION], "close")) { DEBUG_puts("2cupsSendRequest: Connection: close"); httpClearFields(http); if (httpReconnect2(http, 30000, NULL)) { DEBUG_puts("1cupsSendRequest: Unable to reconnect."); return (HTTP_STATUS_SERVICE_UNAVAILABLE); } } /* * Loop until we can send the request without authorization problems. */ expect = HTTP_STATUS_CONTINUE; for (;;) { DEBUG_puts("2cupsSendRequest: Setup..."); /* * Setup the HTTP variables needed... */ httpClearFields(http); httpSetExpect(http, expect); httpSetField(http, HTTP_FIELD_CONTENT_TYPE, "application/ipp"); httpSetLength(http, length); #ifdef HAVE_GSSAPI if (http->authstring && !strncmp(http->authstring, "Negotiate", 9)) { /* * Do not use cached Kerberos credentials since they will look like a * "replay" attack... */ _cupsSetNegotiateAuthString(http, "POST", resource); } #endif /* HAVE_GSSAPI */ httpSetField(http, HTTP_FIELD_AUTHORIZATION, http->authstring); DEBUG_printf(("2cupsSendRequest: authstring=\"%s\"", http->authstring)); /* * Try the request... */ DEBUG_puts("2cupsSendRequest: Sending HTTP POST..."); if (httpPost(http, resource)) { DEBUG_puts("2cupsSendRequest: POST failed, reconnecting."); if (httpReconnect2(http, 30000, NULL)) { DEBUG_puts("1cupsSendRequest: Unable to reconnect."); return (HTTP_STATUS_SERVICE_UNAVAILABLE); } else continue; } /* * Send the IPP data... */ DEBUG_puts("2cupsSendRequest: Writing IPP request..."); request->state = IPP_STATE_IDLE; status = HTTP_STATUS_CONTINUE; got_status = 0; while ((state = ippWrite(http, request)) != IPP_STATE_DATA) if (state == IPP_STATE_ERROR) break; else if (httpCheck(http)) { got_status = 1; _httpUpdate(http, &status); if (status >= HTTP_STATUS_MULTIPLE_CHOICES) break; } if (state == IPP_STATE_ERROR) { DEBUG_puts("1cupsSendRequest: Unable to send IPP request."); http->status = HTTP_STATUS_ERROR; http->state = HTTP_STATE_WAITING; return (HTTP_STATUS_ERROR); } /* * Wait up to 1 second to get the 100-continue response as needed... */ if (!got_status) { if (expect == HTTP_STATUS_CONTINUE) { DEBUG_puts("2cupsSendRequest: Waiting for 100-continue..."); if (httpWait(http, 1000)) _httpUpdate(http, &status); } else if (httpCheck(http)) _httpUpdate(http, &status); } DEBUG_printf(("2cupsSendRequest: status=%d", status)); /* * Process the current HTTP status... */ if (status >= HTTP_STATUS_MULTIPLE_CHOICES) { int temp_status; /* Temporary status */ _cupsSetHTTPError(status); do { temp_status = httpUpdate(http); } while (temp_status != HTTP_STATUS_ERROR && http->state == HTTP_STATE_POST_RECV); httpFlush(http); } switch (status) { case HTTP_STATUS_CONTINUE : case HTTP_STATUS_OK : case HTTP_STATUS_ERROR : DEBUG_printf(("1cupsSendRequest: Returning %d.", status)); return (status); case HTTP_STATUS_UNAUTHORIZED : if (cupsDoAuthentication(http, "POST", resource)) { DEBUG_puts("1cupsSendRequest: Returning HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED."); return (HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED); } DEBUG_puts("2cupsSendRequest: Reconnecting after HTTP_STATUS_UNAUTHORIZED."); if (httpReconnect2(http, 30000, NULL)) { DEBUG_puts("1cupsSendRequest: Unable to reconnect."); return (HTTP_STATUS_SERVICE_UNAVAILABLE); } break; #ifdef HAVE_SSL case HTTP_STATUS_UPGRADE_REQUIRED : /* * Flush any error message, reconnect, and then upgrade with * encryption... */ DEBUG_puts("2cupsSendRequest: Reconnecting after " "HTTP_STATUS_UPGRADE_REQUIRED."); if (httpReconnect2(http, 30000, NULL)) { DEBUG_puts("1cupsSendRequest: Unable to reconnect."); return (HTTP_STATUS_SERVICE_UNAVAILABLE); } DEBUG_puts("2cupsSendRequest: Upgrading to TLS."); if (httpEncryption(http, HTTP_ENCRYPTION_REQUIRED)) { DEBUG_puts("1cupsSendRequest: Unable to encrypt connection."); return (HTTP_STATUS_SERVICE_UNAVAILABLE); } break; #endif /* HAVE_SSL */ case HTTP_STATUS_EXPECTATION_FAILED : /* * Don't try using the Expect: header the next time around... */ expect = (http_status_t)0; DEBUG_puts("2cupsSendRequest: Reconnecting after " "HTTP_EXPECTATION_FAILED."); if (httpReconnect2(http, 30000, NULL)) { DEBUG_puts("1cupsSendRequest: Unable to reconnect."); return (HTTP_STATUS_SERVICE_UNAVAILABLE); } break; default : /* * Some other error... */ return (status); } } }
ipp_t * /* O - Response or @code NULL@ on HTTP error */ cupsGetResponse(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *resource) /* I - HTTP resource for POST */ { http_status_t status; /* HTTP status */ ipp_state_t state; /* IPP read state */ ipp_t *response = NULL; /* IPP response */ DEBUG_printf(("cupsGetResponse(http=%p, resource=\"%s\")", http, resource)); /* * Connect to the default server as needed... */ if (!http) http = _cupsConnect(); if (!http || (http->state != HTTP_STATE_POST_RECV && http->state != HTTP_STATE_POST_SEND)) return (NULL); /* * Check for an unfinished chunked request... */ if (http->data_encoding == HTTP_ENCODING_CHUNKED) { /* * Send a 0-length chunk to finish off the request... */ DEBUG_puts("2cupsGetResponse: Finishing chunked POST..."); if (httpWrite2(http, "", 0) < 0) return (NULL); } /* * Wait for a response from the server... */ DEBUG_printf(("2cupsGetResponse: Update loop, http->status=%d...", http->status)); do { status = httpUpdate(http); } while (status == HTTP_STATUS_CONTINUE); DEBUG_printf(("2cupsGetResponse: status=%d", status)); if (status == HTTP_STATUS_OK) { /* * Get the IPP response... */ response = ippNew(); while ((state = ippRead(http, response)) != IPP_STATE_DATA) if (state == IPP_STATE_ERROR) break; if (state == IPP_STATE_ERROR) { /* * Flush remaining data and delete the response... */ DEBUG_puts("1cupsGetResponse: IPP read error!"); httpFlush(http); ippDelete(response); response = NULL; http->status = status = HTTP_STATUS_ERROR; http->error = EINVAL; } } else if (status != HTTP_STATUS_ERROR) { /* * Flush any error message... */ httpFlush(http); /* * Then handle encryption and authentication... */ if (status == HTTP_STATUS_UNAUTHORIZED) { /* * See if we can do authentication... */ DEBUG_puts("2cupsGetResponse: Need authorization..."); if (!cupsDoAuthentication(http, "POST", resource)) httpReconnect2(http, 30000, NULL); else http->status = status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED; } #ifdef HAVE_SSL else if (status == HTTP_STATUS_UPGRADE_REQUIRED) { /* * Force a reconnect with encryption... */ DEBUG_puts("2cupsGetResponse: Need encryption..."); if (!httpReconnect2(http, 30000, NULL)) httpEncryption(http, HTTP_ENCRYPTION_REQUIRED); } #endif /* HAVE_SSL */ } if (response) { ipp_attribute_t *attr; /* status-message attribute */ attr = ippFindAttribute(response, "status-message", IPP_TAG_TEXT); DEBUG_printf(("1cupsGetResponse: status-code=%s, status-message=\"%s\"", ippErrorString(response->request.status.status_code), attr ? attr->values[0].string.text : "")); _cupsSetError(response->request.status.status_code, attr ? attr->values[0].string.text : ippErrorString(response->request.status.status_code), 0); } return (response); }
ipp_t * /* O - Response data */ cupsDoIORequest(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ ipp_t *request, /* I - IPP request */ const char *resource, /* I - HTTP resource for POST */ int infile, /* I - File to read from or -1 for none */ int outfile) /* I - File to write to or -1 for none */ { ipp_t *response = NULL; /* IPP response data */ size_t length = 0; /* Content-Length value */ http_status_t status; /* Status of HTTP request */ struct stat fileinfo; /* File information */ int bytes; /* Number of bytes read/written */ char buffer[32768]; /* Output buffer */ DEBUG_printf(("cupsDoIORequest(http=%p, request=%p(%s), resource=\"%s\", " "infile=%d, outfile=%d)", http, request, request ? ippOpString(request->request.op.operation_id) : "?", resource, infile, outfile)); /* * Range check input... */ if (!request || !resource) { ippDelete(request); _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); return (NULL); } /* * Get the default connection as needed... */ if (!http) if ((http = _cupsConnect()) == NULL) { ippDelete(request); return (NULL); } /* * See if we have a file to send... */ if (infile >= 0) { if (fstat(infile, &fileinfo)) { /* * Can't get file information! */ _cupsSetError(errno == EBADF ? IPP_STATUS_ERROR_NOT_FOUND : IPP_STATUS_ERROR_NOT_AUTHORIZED, NULL, 0); ippDelete(request); return (NULL); } #ifdef WIN32 if (fileinfo.st_mode & _S_IFDIR) #else if (S_ISDIR(fileinfo.st_mode)) #endif /* WIN32 */ { /* * Can't send a directory... */ ippDelete(request); _cupsSetError(IPP_STATUS_ERROR_NOT_POSSIBLE, strerror(EISDIR), 0); return (NULL); } #ifndef WIN32 if (!S_ISREG(fileinfo.st_mode)) length = 0; /* Chunk when piping */ else #endif /* !WIN32 */ length = ippLength(request) + fileinfo.st_size; } else length = ippLength(request); DEBUG_printf(("2cupsDoIORequest: Request length=%ld, total length=%ld", (long)ippLength(request), (long)length)); /* * Clear any "Local" authentication data since it is probably stale... */ if (http->authstring && !strncmp(http->authstring, "Local ", 6)) httpSetAuthString(http, NULL, NULL); /* * Loop until we can send the request without authorization problems. */ while (response == NULL) { DEBUG_puts("2cupsDoIORequest: setup..."); /* * Send the request... */ status = cupsSendRequest(http, request, resource, length); DEBUG_printf(("2cupsDoIORequest: status=%d", status)); if (status == HTTP_STATUS_CONTINUE && request->state == IPP_STATE_DATA && infile >= 0) { DEBUG_puts("2cupsDoIORequest: file write..."); /* * Send the file with the request... */ #ifndef WIN32 if (S_ISREG(fileinfo.st_mode)) #endif /* WIN32 */ lseek(infile, 0, SEEK_SET); while ((bytes = (int)read(infile, buffer, sizeof(buffer))) > 0) { if ((status = cupsWriteRequestData(http, buffer, bytes)) != HTTP_STATUS_CONTINUE) break; } } /* * Get the server's response... */ if (status != HTTP_STATUS_ERROR) { response = cupsGetResponse(http, resource); status = httpGetStatus(http); } DEBUG_printf(("2cupsDoIORequest: status=%d", status)); if (status == HTTP_STATUS_ERROR || (status >= HTTP_STATUS_BAD_REQUEST && status != HTTP_STATUS_UNAUTHORIZED && status != HTTP_STATUS_UPGRADE_REQUIRED)) { _cupsSetHTTPError(status); break; } if (response && outfile >= 0) { /* * Write trailing data to file... */ while ((bytes = (int)httpRead2(http, buffer, sizeof(buffer))) > 0) if (write(outfile, buffer, bytes) < bytes) break; } if (http->state != HTTP_STATE_WAITING) { /* * Flush any remaining data... */ httpFlush(http); } } /* * Delete the original request and return the response... */ ippDelete(request); return (response); }
ipp_status_t /* O - Request status - @code IPP_OK@ on success. */ cupsGetDevices( http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ int timeout, /* I - Timeout in seconds or @code CUPS_TIMEOUT_DEFAULT@ */ const char *include_schemes, /* I - Comma-separated URI schemes to include or @code CUPS_INCLUDE_ALL@ */ const char *exclude_schemes, /* I - Comma-separated URI schemes to exclude or @code CUPS_EXCLUDE_NONE@ */ cups_device_cb_t callback, /* I - Callback function */ void *user_data) /* I - User data pointer */ { ipp_t *request, /* CUPS-Get-Devices request */ *response; /* CUPS-Get-Devices response */ ipp_attribute_t *attr; /* Current attribute */ const char *device_class, /* device-class value */ *device_id, /* device-id value */ *device_info, /* device-info value */ *device_location, /* device-location value */ *device_make_and_model, /* device-make-and-model value */ *device_uri; /* device-uri value */ int blocking; /* Current blocking-IO mode */ cups_option_t option; /* in/exclude-schemes option */ http_status_t status; /* HTTP status of request */ ipp_state_t state; /* IPP response state */ /* * Range check input... */ DEBUG_printf(("cupsGetDevices(http=%p, timeout=%d, include_schemes=\"%s\", exclude_schemes=\"%s\", callback=%p, user_data=%p)", (void *)http, timeout, include_schemes, exclude_schemes, (void *)callback, user_data)); if (!callback) return (IPP_STATUS_ERROR_INTERNAL); if (!http) http = _cupsConnect(); if (!http) return (IPP_STATUS_ERROR_SERVICE_UNAVAILABLE); /* * Create a CUPS-Get-Devices request... */ request = ippNewRequest(IPP_OP_CUPS_GET_DEVICES); if (timeout > 0) ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "timeout", timeout); if (include_schemes) { option.name = "include-schemes"; option.value = (char *)include_schemes; cupsEncodeOptions2(request, 1, &option, IPP_TAG_OPERATION); } if (exclude_schemes) { option.name = "exclude-schemes"; option.value = (char *)exclude_schemes; cupsEncodeOptions2(request, 1, &option, IPP_TAG_OPERATION); } /* * Send the request and do any necessary authentication... */ do { DEBUG_puts("2cupsGetDevices: Sending request..."); status = cupsSendRequest(http, request, "/", ippLength(request)); DEBUG_puts("2cupsGetDevices: Waiting for response status..."); while (status == HTTP_STATUS_CONTINUE) status = httpUpdate(http); if (status != HTTP_STATUS_OK) { httpFlush(http); if (status == HTTP_STATUS_UNAUTHORIZED) { /* * See if we can do authentication... */ DEBUG_puts("2cupsGetDevices: Need authorization..."); if (!cupsDoAuthentication(http, "POST", "/")) httpReconnect2(http, 30000, NULL); else { status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED; break; } } #ifdef HAVE_SSL else if (status == HTTP_STATUS_UPGRADE_REQUIRED) { /* * Force a reconnect with encryption... */ DEBUG_puts("2cupsGetDevices: Need encryption..."); if (!httpReconnect2(http, 30000, NULL)) httpEncryption(http, HTTP_ENCRYPTION_REQUIRED); } #endif /* HAVE_SSL */ } } while (status == HTTP_STATUS_UNAUTHORIZED || status == HTTP_STATUS_UPGRADE_REQUIRED); DEBUG_printf(("2cupsGetDevices: status=%d", status)); ippDelete(request); if (status != HTTP_STATUS_OK) { _cupsSetHTTPError(status); return (cupsLastError()); } /* * Read the response in non-blocking mode... */ blocking = httpGetBlocking(http); httpBlocking(http, 0); response = ippNew(); device_class = NULL; device_id = NULL; device_info = NULL; device_location = ""; device_make_and_model = NULL; device_uri = NULL; attr = NULL; DEBUG_puts("2cupsGetDevices: Reading response..."); do { if ((state = ippRead(http, response)) == IPP_STATE_ERROR) break; DEBUG_printf(("2cupsGetDevices: state=%d, response->last=%p", state, (void *)response->last)); if (!response->attrs) continue; while (attr != response->last) { if (!attr) attr = response->attrs; else attr = attr->next; DEBUG_printf(("2cupsGetDevices: attr->name=\"%s\", attr->value_tag=%d", attr->name, attr->value_tag)); if (!attr->name) { if (device_class && device_id && device_info && device_make_and_model && device_uri) (*callback)(device_class, device_id, device_info, device_make_and_model, device_uri, device_location, user_data); device_class = NULL; device_id = NULL; device_info = NULL; device_location = ""; device_make_and_model = NULL; device_uri = NULL; } else if (!strcmp(attr->name, "device-class") && attr->value_tag == IPP_TAG_KEYWORD) device_class = attr->values[0].string.text; else if (!strcmp(attr->name, "device-id") && attr->value_tag == IPP_TAG_TEXT) device_id = attr->values[0].string.text; else if (!strcmp(attr->name, "device-info") && attr->value_tag == IPP_TAG_TEXT) device_info = attr->values[0].string.text; else if (!strcmp(attr->name, "device-location") && attr->value_tag == IPP_TAG_TEXT) device_location = attr->values[0].string.text; else if (!strcmp(attr->name, "device-make-and-model") && attr->value_tag == IPP_TAG_TEXT) device_make_and_model = attr->values[0].string.text; else if (!strcmp(attr->name, "device-uri") && attr->value_tag == IPP_TAG_URI) device_uri = attr->values[0].string.text; } } while (state != IPP_STATE_DATA); DEBUG_printf(("2cupsGetDevices: state=%d, response->last=%p", state, (void *)response->last)); if (device_class && device_id && device_info && device_make_and_model && device_uri) (*callback)(device_class, device_id, device_info, device_make_and_model, device_uri, device_location, user_data); /* * Set the IPP status and return... */ httpBlocking(http, blocking); httpFlush(http); if (status == HTTP_STATUS_ERROR) _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(http->error), 0); else { attr = ippFindAttribute(response, "status-message", IPP_TAG_TEXT); DEBUG_printf(("cupsGetDevices: status-code=%s, status-message=\"%s\"", ippErrorString(response->request.status.status_code), attr ? attr->values[0].string.text : "")); _cupsSetError(response->request.status.status_code, attr ? attr->values[0].string.text : ippErrorString(response->request.status.status_code), 0); } ippDelete(response); return (cupsLastError()); }
http_status_t /* O - HTTP status */ cupsGetFd(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *resource, /* I - Resource name */ int fd) /* I - File descriptor */ { ssize_t bytes; /* Number of bytes read */ char buffer[8192]; /* Buffer for file */ http_status_t status; /* HTTP status from server */ char if_modified_since[HTTP_MAX_VALUE]; /* If-Modified-Since header */ int new_auth = 0; /* Using new auth information? */ int digest; /* Are we using Digest authentication? */ /* * Range check input... */ DEBUG_printf(("cupsGetFd(http=%p, resource=\"%s\", fd=%d)", (void *)http, resource, fd)); if (!resource || fd < 0) { if (http) http->error = EINVAL; return (HTTP_STATUS_ERROR); } if (!http) if ((http = _cupsConnect()) == NULL) return (HTTP_STATUS_SERVICE_UNAVAILABLE); /* * Then send GET requests to the HTTP server... */ strlcpy(if_modified_since, httpGetField(http, HTTP_FIELD_IF_MODIFIED_SINCE), sizeof(if_modified_since)); do { if (!_cups_strcasecmp(httpGetField(http, HTTP_FIELD_CONNECTION), "close")) { httpClearFields(http); if (httpReconnect2(http, 30000, NULL)) { status = HTTP_STATUS_ERROR; break; } } httpClearFields(http); httpSetField(http, HTTP_FIELD_IF_MODIFIED_SINCE, if_modified_since); digest = http->authstring && !strncmp(http->authstring, "Digest ", 7); if (digest && !new_auth) { /* * Update the Digest authentication string... */ _httpSetDigestAuthString(http, http->nextnonce, "GET", resource); } #ifdef HAVE_GSSAPI if (http->authstring && !strncmp(http->authstring, "Negotiate", 9) && !new_auth) { /* * Do not use cached Kerberos credentials since they will look like a * "replay" attack... */ _cupsSetNegotiateAuthString(http, "GET", resource); } #endif /* HAVE_GSSAPI */ httpSetField(http, HTTP_FIELD_AUTHORIZATION, http->authstring); if (httpGet(http, resource)) { if (httpReconnect2(http, 30000, NULL)) { status = HTTP_STATUS_ERROR; break; } else { status = HTTP_STATUS_UNAUTHORIZED; continue; } } new_auth = 0; while ((status = httpUpdate(http)) == HTTP_STATUS_CONTINUE); if (status == HTTP_STATUS_UNAUTHORIZED) { /* * Flush any error message... */ httpFlush(http); /* * See if we can do authentication... */ new_auth = 1; if (cupsDoAuthentication(http, "GET", resource)) { status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED; break; } if (httpReconnect2(http, 30000, NULL)) { status = HTTP_STATUS_ERROR; break; } continue; } #ifdef HAVE_SSL else if (status == HTTP_STATUS_UPGRADE_REQUIRED) { /* Flush any error message... */ httpFlush(http); /* Reconnect... */ if (httpReconnect2(http, 30000, NULL)) { status = HTTP_STATUS_ERROR; break; } /* Upgrade with encryption... */ httpEncryption(http, HTTP_ENCRYPTION_REQUIRED); /* Try again, this time with encryption enabled... */ continue; } #endif /* HAVE_SSL */ } while (status == HTTP_STATUS_UNAUTHORIZED || status == HTTP_STATUS_UPGRADE_REQUIRED); /* * See if we actually got the file or an error... */ if (status == HTTP_STATUS_OK) { /* * Yes, copy the file... */ while ((bytes = httpRead2(http, buffer, sizeof(buffer))) > 0) write(fd, buffer, (size_t)bytes); } else { _cupsSetHTTPError(status); httpFlush(http); } /* * Return the request status... */ DEBUG_printf(("1cupsGetFd: Returning %d...", status)); return (status); }
http_status_t /* O - HTTP status */ cupsPutFd(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *resource, /* I - Resource name */ int fd) /* I - File descriptor */ { ssize_t bytes; /* Number of bytes read */ int retries; /* Number of retries */ char buffer[8192]; /* Buffer for file */ http_status_t status; /* HTTP status from server */ int new_auth = 0; /* Using new auth information? */ int digest; /* Are we using Digest authentication? */ /* * Range check input... */ DEBUG_printf(("cupsPutFd(http=%p, resource=\"%s\", fd=%d)", (void *)http, resource, fd)); if (!resource || fd < 0) { if (http) http->error = EINVAL; return (HTTP_STATUS_ERROR); } if (!http) if ((http = _cupsConnect()) == NULL) return (HTTP_STATUS_SERVICE_UNAVAILABLE); /* * Then send PUT requests to the HTTP server... */ retries = 0; do { if (!_cups_strcasecmp(httpGetField(http, HTTP_FIELD_CONNECTION), "close")) { httpClearFields(http); if (httpReconnect2(http, 30000, NULL)) { status = HTTP_STATUS_ERROR; break; } } DEBUG_printf(("2cupsPutFd: starting attempt, authstring=\"%s\"...", http->authstring)); httpClearFields(http); httpSetField(http, HTTP_FIELD_TRANSFER_ENCODING, "chunked"); httpSetExpect(http, HTTP_STATUS_CONTINUE); digest = http->authstring && !strncmp(http->authstring, "Digest ", 7); if (digest && !new_auth) { /* * Update the Digest authentication string... */ _httpSetDigestAuthString(http, http->nextnonce, "PUT", resource); } #ifdef HAVE_GSSAPI if (http->authstring && !strncmp(http->authstring, "Negotiate", 9) && !new_auth) { /* * Do not use cached Kerberos credentials since they will look like a * "replay" attack... */ _cupsSetNegotiateAuthString(http, "PUT", resource); } #endif /* HAVE_GSSAPI */ httpSetField(http, HTTP_FIELD_AUTHORIZATION, http->authstring); if (httpPut(http, resource)) { if (httpReconnect2(http, 30000, NULL)) { status = HTTP_STATUS_ERROR; break; } else { status = HTTP_STATUS_UNAUTHORIZED; continue; } } /* * Wait up to 1 second for a 100-continue response... */ if (httpWait(http, 1000)) status = httpUpdate(http); else status = HTTP_STATUS_CONTINUE; if (status == HTTP_STATUS_CONTINUE) { /* * Copy the file... */ lseek(fd, 0, SEEK_SET); while ((bytes = read(fd, buffer, sizeof(buffer))) > 0) if (httpCheck(http)) { if ((status = httpUpdate(http)) != HTTP_STATUS_CONTINUE) break; } else httpWrite2(http, buffer, (size_t)bytes); } if (status == HTTP_STATUS_CONTINUE) { httpWrite2(http, buffer, 0); while ((status = httpUpdate(http)) == HTTP_STATUS_CONTINUE); } if (status == HTTP_STATUS_ERROR && !retries) { DEBUG_printf(("2cupsPutFd: retry on status %d", status)); retries ++; /* Flush any error message... */ httpFlush(http); /* Reconnect... */ if (httpReconnect2(http, 30000, NULL)) { status = HTTP_STATUS_ERROR; break; } /* Try again... */ continue; } DEBUG_printf(("2cupsPutFd: status=%d", status)); new_auth = 0; if (status == HTTP_STATUS_UNAUTHORIZED) { /* * Flush any error message... */ httpFlush(http); /* * See if we can do authentication... */ new_auth = 1; if (cupsDoAuthentication(http, "PUT", resource)) { status = HTTP_STATUS_CUPS_AUTHORIZATION_CANCELED; break; } if (httpReconnect2(http, 30000, NULL)) { status = HTTP_STATUS_ERROR; break; } continue; } #ifdef HAVE_SSL else if (status == HTTP_STATUS_UPGRADE_REQUIRED) { /* Flush any error message... */ httpFlush(http); /* Reconnect... */ if (httpReconnect2(http, 30000, NULL)) { status = HTTP_STATUS_ERROR; break; } /* Upgrade with encryption... */ httpEncryption(http, HTTP_ENCRYPTION_REQUIRED); /* Try again, this time with encryption enabled... */ continue; } #endif /* HAVE_SSL */ } while (status == HTTP_STATUS_UNAUTHORIZED || status == HTTP_STATUS_UPGRADE_REQUIRED || (status == HTTP_STATUS_ERROR && retries < 2)); /* * See if we actually put the file or an error... */ if (status != HTTP_STATUS_CREATED) { _cupsSetHTTPError(status); httpFlush(http); } DEBUG_printf(("1cupsPutFd: Returning %d...", status)); return (status); }
int /* O - 1 on success, 0 on failure */ cupsAdminSetServerSettings( http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ int num_settings, /* I - Number of settings */ cups_option_t *settings) /* I - Settings */ { int i; /* Looping var */ http_status_t status; /* GET/PUT status */ const char *server_port_env; /* SERVER_PORT env var */ int server_port; /* IPP port for server */ cups_file_t *cupsd; /* cupsd.conf file */ char cupsdconf[1024]; /* cupsd.conf filename */ int remote; /* Remote cupsd.conf file? */ char tempfile[1024]; /* Temporary new cupsd.conf */ cups_file_t *temp; /* Temporary file */ char line[1024], /* Line from cupsd.conf file */ *value; /* Value on line */ int linenum, /* Line number in file */ in_location, /* In a location section? */ in_policy, /* In a policy section? */ in_default_policy, /* In the default policy section? */ in_cancel_job, /* In a cancel-job section? */ in_admin_location, /* In the /admin location? */ in_conf_location, /* In the /admin/conf location? */ in_log_location, /* In the /admin/log location? */ in_root_location; /* In the / location? */ const char *val; /* Setting value */ int share_printers, /* Share local printers */ remote_admin, /* Remote administration allowed? */ remote_any, /* Remote access from anywhere? */ user_cancel_any, /* Cancel-job policy set? */ debug_logging; /* LogLevel debug set? */ int wrote_port_listen, /* Wrote the port/listen lines? */ wrote_browsing, /* Wrote the browsing lines? */ wrote_policy, /* Wrote the policy? */ wrote_loglevel, /* Wrote the LogLevel line? */ wrote_admin_location, /* Wrote the /admin location? */ wrote_conf_location, /* Wrote the /admin/conf location? */ wrote_log_location, /* Wrote the /admin/log location? */ wrote_root_location; /* Wrote the / location? */ int indent; /* Indentation */ int cupsd_num_settings; /* New number of settings */ int old_share_printers, /* Share local printers */ old_remote_admin, /* Remote administration allowed? */ old_remote_any, /* Remote access from anywhere? */ old_user_cancel_any, /* Cancel-job policy set? */ old_debug_logging; /* LogLevel debug set? */ cups_option_t *cupsd_settings, /* New settings */ *setting; /* Current setting */ _cups_globals_t *cg = _cupsGlobals(); /* Global data */ /* * Range check input... */ if (!http) http = _cupsConnect(); if (!http || !num_settings || !settings) { _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); return (0); } /* * Get the cupsd.conf file... */ if (get_cupsd_conf(http, cg, 0, cupsdconf, sizeof(cupsdconf), &remote) == HTTP_STATUS_OK) { if ((cupsd = cupsFileOpen(cupsdconf, "r")) == NULL) { _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); return (0); } } else return (0); /* * Get current settings... */ if (!cupsAdminGetServerSettings(http, &cupsd_num_settings, &cupsd_settings)) return (0); if ((val = cupsGetOption(CUPS_SERVER_DEBUG_LOGGING, cupsd_num_settings, cupsd_settings)) != NULL) old_debug_logging = atoi(val); else old_debug_logging = 0; DEBUG_printf(("1cupsAdminSetServerSettings: old debug_logging=%d", old_debug_logging)); if ((val = cupsGetOption(CUPS_SERVER_REMOTE_ADMIN, cupsd_num_settings, cupsd_settings)) != NULL) old_remote_admin = atoi(val); else old_remote_admin = 0; DEBUG_printf(("1cupsAdminSetServerSettings: old remote_admin=%d", old_remote_admin)); if ((val = cupsGetOption(CUPS_SERVER_REMOTE_ANY, cupsd_num_settings, cupsd_settings)) != NULL) old_remote_any = atoi(val); else old_remote_any = 0; DEBUG_printf(("1cupsAdminSetServerSettings: old remote_any=%d", old_remote_any)); if ((val = cupsGetOption(CUPS_SERVER_SHARE_PRINTERS, cupsd_num_settings, cupsd_settings)) != NULL) old_share_printers = atoi(val); else old_share_printers = 0; DEBUG_printf(("1cupsAdminSetServerSettings: old share_printers=%d", old_share_printers)); if ((val = cupsGetOption(CUPS_SERVER_USER_CANCEL_ANY, cupsd_num_settings, cupsd_settings)) != NULL) old_user_cancel_any = atoi(val); else old_user_cancel_any = 0; DEBUG_printf(("1cupsAdminSetServerSettings: old user_cancel_any=%d", old_user_cancel_any)); cupsFreeOptions(cupsd_num_settings, cupsd_settings); /* * Get basic settings... */ if ((val = cupsGetOption(CUPS_SERVER_DEBUG_LOGGING, num_settings, settings)) != NULL) { debug_logging = atoi(val); if (debug_logging == old_debug_logging) { /* * No change to this setting... */ debug_logging = -1; } } else debug_logging = -1; DEBUG_printf(("1cupsAdminSetServerSettings: debug_logging=%d", debug_logging)); if ((val = cupsGetOption(CUPS_SERVER_REMOTE_ANY, num_settings, settings)) != NULL) { remote_any = atoi(val); if (remote_any == old_remote_any) { /* * No change to this setting... */ remote_any = -1; } } else remote_any = -1; DEBUG_printf(("1cupsAdminSetServerSettings: remote_any=%d", remote_any)); if ((val = cupsGetOption(CUPS_SERVER_REMOTE_ADMIN, num_settings, settings)) != NULL) { remote_admin = atoi(val); if (remote_admin == old_remote_admin) { /* * No change to this setting... */ remote_admin = -1; } } else remote_admin = -1; DEBUG_printf(("1cupsAdminSetServerSettings: remote_admin=%d", remote_admin)); if ((val = cupsGetOption(CUPS_SERVER_SHARE_PRINTERS, num_settings, settings)) != NULL) { share_printers = atoi(val); if (share_printers == old_share_printers) { /* * No change to this setting... */ share_printers = -1; } } else share_printers = -1; DEBUG_printf(("1cupsAdminSetServerSettings: share_printers=%d", share_printers)); if ((val = cupsGetOption(CUPS_SERVER_USER_CANCEL_ANY, num_settings, settings)) != NULL) { user_cancel_any = atoi(val); if (user_cancel_any == old_user_cancel_any) { /* * No change to this setting... */ user_cancel_any = -1; } } else user_cancel_any = -1; DEBUG_printf(("1cupsAdminSetServerSettings: user_cancel_any=%d", user_cancel_any)); /* * Create a temporary file for the new cupsd.conf file... */ if ((temp = cupsTempFile2(tempfile, sizeof(tempfile))) == NULL) { cupsFileClose(cupsd); if (remote) unlink(cupsdconf); _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); return (0); } /* * Copy the old file to the new, making changes along the way... */ cupsd_num_settings = 0; in_admin_location = 0; in_cancel_job = 0; in_conf_location = 0; in_default_policy = 0; in_location = 0; in_log_location = 0; in_policy = 0; in_root_location = 0; linenum = 0; wrote_admin_location = 0; wrote_browsing = 0; wrote_conf_location = 0; wrote_log_location = 0; wrote_loglevel = 0; wrote_policy = 0; wrote_port_listen = 0; wrote_root_location = 0; indent = 0; if ((server_port_env = getenv("SERVER_PORT")) != NULL) { if ((server_port = atoi(server_port_env)) <= 0) server_port = ippPort(); } else server_port = ippPort(); if (server_port <= 0) server_port = IPP_PORT; while (cupsFileGetConf(cupsd, line, sizeof(line), &value, &linenum)) { if ((!_cups_strcasecmp(line, "Port") || !_cups_strcasecmp(line, "Listen")) && (remote_admin >= 0 || remote_any >= 0 || share_printers >= 0)) { if (!wrote_port_listen) { wrote_port_listen = 1; if (remote_admin > 0 || remote_any > 0 || share_printers > 0) { cupsFilePuts(temp, "# Allow remote access\n"); cupsFilePrintf(temp, "Port %d\n", server_port); } else { cupsFilePuts(temp, "# Only listen for connections from the local " "machine.\n"); cupsFilePrintf(temp, "Listen localhost:%d\n", server_port); } #ifdef CUPS_DEFAULT_DOMAINSOCKET if ((!value || strcmp(CUPS_DEFAULT_DOMAINSOCKET, value)) && !access(CUPS_DEFAULT_DOMAINSOCKET, 0)) cupsFilePuts(temp, "Listen " CUPS_DEFAULT_DOMAINSOCKET "\n"); #endif /* CUPS_DEFAULT_DOMAINSOCKET */ } else if (value && value[0] == '/' #ifdef CUPS_DEFAULT_DOMAINSOCKET && strcmp(CUPS_DEFAULT_DOMAINSOCKET, value) #endif /* CUPS_DEFAULT_DOMAINSOCKET */ ) cupsFilePrintf(temp, "Listen %s\n", value); } else if ((!_cups_strcasecmp(line, "Browsing") || !_cups_strcasecmp(line, "BrowseLocalProtocols")) && share_printers >= 0) { if (!wrote_browsing) { int new_share_printers = (share_printers > 0 || (share_printers == -1 && old_share_printers > 0)); wrote_browsing = 1; if (new_share_printers) { const char *localp = cupsGetOption("BrowseLocalProtocols", num_settings, settings); if (!localp || !localp[0]) localp = cupsGetOption("BrowseLocalProtocols", cupsd_num_settings, cupsd_settings); cupsFilePuts(temp, "# Share local printers on the local network.\n"); cupsFilePuts(temp, "Browsing On\n"); if (!localp) localp = CUPS_DEFAULT_BROWSE_LOCAL_PROTOCOLS; cupsFilePrintf(temp, "BrowseLocalProtocols %s\n", localp); cupsd_num_settings = cupsAddOption("BrowseLocalProtocols", localp, cupsd_num_settings, &cupsd_settings); } else { cupsFilePuts(temp, "# Disable printer sharing.\n"); cupsFilePuts(temp, "Browsing Off\n"); } } } else if (!_cups_strcasecmp(line, "LogLevel") && debug_logging >= 0) { wrote_loglevel = 1; if (debug_logging) { cupsFilePuts(temp, "# Show troubleshooting information in error_log.\n"); cupsFilePuts(temp, "LogLevel debug\n"); } else { cupsFilePuts(temp, "# Show general information in error_log.\n"); cupsFilePuts(temp, "LogLevel " CUPS_DEFAULT_LOG_LEVEL "\n"); } } else if (!_cups_strcasecmp(line, "<Policy")) { in_default_policy = !_cups_strcasecmp(value, "default"); in_policy = 1; cupsFilePrintf(temp, "%s %s>\n", line, value); indent += 2; } else if (!_cups_strcasecmp(line, "</Policy>")) { indent -= 2; if (!wrote_policy && in_default_policy) { wrote_policy = 1; if (!user_cancel_any) cupsFilePuts(temp, " # Only the owner or an administrator can " "cancel a job...\n" " <Limit Cancel-Job>\n" " Order deny,allow\n" " Require user @OWNER " CUPS_DEFAULT_PRINTOPERATOR_AUTH "\n" " </Limit>\n"); } in_policy = 0; in_default_policy = 0; cupsFilePuts(temp, "</Policy>\n"); } else if (!_cups_strcasecmp(line, "<Location")) { in_location = 1; indent += 2; if (!strcmp(value, "/admin")) in_admin_location = 1; else if (!strcmp(value, "/admin/conf")) in_conf_location = 1; else if (!strcmp(value, "/admin/log")) in_log_location = 1; else if (!strcmp(value, "/")) in_root_location = 1; cupsFilePrintf(temp, "%s %s>\n", line, value); } else if (!_cups_strcasecmp(line, "</Location>")) { in_location = 0; indent -= 2; if (in_admin_location && remote_admin >= 0) { wrote_admin_location = 1; if (remote_admin) cupsFilePuts(temp, " # Allow remote administration...\n"); else if (remote_admin == 0) cupsFilePuts(temp, " # Restrict access to the admin pages...\n"); cupsFilePuts(temp, " Order allow,deny\n"); if (remote_admin) cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL"); } else if (in_conf_location && remote_admin >= 0) { wrote_conf_location = 1; if (remote_admin) cupsFilePuts(temp, " # Allow remote access to the configuration " "files...\n"); else cupsFilePuts(temp, " # Restrict access to the configuration " "files...\n"); cupsFilePuts(temp, " Order allow,deny\n"); if (remote_admin) cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL"); } else if (in_log_location && remote_admin >= 0) { wrote_log_location = 1; if (remote_admin) cupsFilePuts(temp, " # Allow remote access to the log " "files...\n"); else cupsFilePuts(temp, " # Restrict access to the log " "files...\n"); cupsFilePuts(temp, " Order allow,deny\n"); if (remote_admin) cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL"); } else if (in_root_location && (remote_admin >= 0 || remote_any >= 0 || share_printers >= 0)) { wrote_root_location = 1; if (remote_admin > 0 && share_printers > 0) cupsFilePuts(temp, " # Allow shared printing and remote " "administration...\n"); else if (remote_admin > 0) cupsFilePuts(temp, " # Allow remote administration...\n"); else if (share_printers > 0) cupsFilePuts(temp, " # Allow shared printing...\n"); else if (remote_any > 0) cupsFilePuts(temp, " # Allow remote access...\n"); else cupsFilePuts(temp, " # Restrict access to the server...\n"); cupsFilePuts(temp, " Order allow,deny\n"); if (remote_admin > 0 || remote_any > 0 || share_printers > 0) cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL"); } in_admin_location = 0; in_conf_location = 0; in_log_location = 0; in_root_location = 0; cupsFilePuts(temp, "</Location>\n"); } else if (!_cups_strcasecmp(line, "<Limit")) { if (in_default_policy) { /* * See if the policy limit is for the Cancel-Job operation... */ char *valptr; /* Pointer into value */ if (!_cups_strcasecmp(value, "cancel-job") && user_cancel_any >= 0) { /* * Don't write anything for this limit section... */ in_cancel_job = 2; } else { cupsFilePrintf(temp, "%*s%s", indent, "", line); while (*value) { for (valptr = value; *valptr && !_cups_isspace(*valptr); valptr ++); if (*valptr) *valptr++ = '\0'; if (!_cups_strcasecmp(value, "cancel-job") && user_cancel_any >= 0) { /* * Write everything except for this definition... */ in_cancel_job = 1; } else cupsFilePrintf(temp, " %s", value); for (value = valptr; _cups_isspace(*value); value ++); } cupsFilePuts(temp, ">\n"); } } else cupsFilePrintf(temp, "%*s%s %s>\n", indent, "", line, value); indent += 2; } else if (!_cups_strcasecmp(line, "</Limit>") && in_cancel_job) { indent -= 2; if (in_cancel_job == 1) cupsFilePuts(temp, " </Limit>\n"); wrote_policy = 1; if (!user_cancel_any) cupsFilePuts(temp, " # Only the owner or an administrator can cancel " "a job...\n" " <Limit Cancel-Job>\n" " Order deny,allow\n" " Require user @OWNER " CUPS_DEFAULT_PRINTOPERATOR_AUTH "\n" " </Limit>\n"); in_cancel_job = 0; } else if ((((in_admin_location || in_conf_location || in_root_location) && (remote_admin >= 0 || remote_any >= 0)) || (in_root_location && share_printers >= 0)) && (!_cups_strcasecmp(line, "Allow") || !_cups_strcasecmp(line, "Deny") || !_cups_strcasecmp(line, "Order"))) continue; else if (in_cancel_job == 2) continue; else if (line[0] == '<') { if (value) { cupsFilePrintf(temp, "%*s%s %s>\n", indent, "", line, value); indent += 2; } else { if (line[1] == '/') indent -= 2; cupsFilePrintf(temp, "%*s%s\n", indent, "", line); } } else if (!in_policy && !in_location && (val = cupsGetOption(line, num_settings, settings)) != NULL) { /* * Replace this directive's value with the new one... */ cupsd_num_settings = cupsAddOption(line, val, cupsd_num_settings, &cupsd_settings); /* * Write the new value in its place, without indentation since we * only support setting root directives, not in sections... */ cupsFilePrintf(temp, "%s %s\n", line, val); } else if (value) { if (!in_policy && !in_location) { /* * Record the non-policy, non-location directives that we find * in the server settings, since we cache this info and record it * in cupsAdminGetServerSettings()... */ cupsd_num_settings = cupsAddOption(line, value, cupsd_num_settings, &cupsd_settings); } cupsFilePrintf(temp, "%*s%s %s\n", indent, "", line, value); } else cupsFilePrintf(temp, "%*s%s\n", indent, "", line); } /* * Write any missing info... */ if (!wrote_browsing && share_printers >= 0) { if (share_printers > 0) { cupsFilePuts(temp, "# Share local printers on the local network.\n"); cupsFilePuts(temp, "Browsing On\n"); } else { cupsFilePuts(temp, "# Disable printer sharing and shared printers.\n"); cupsFilePuts(temp, "Browsing Off\n"); } } if (!wrote_loglevel && debug_logging >= 0) { if (debug_logging) { cupsFilePuts(temp, "# Show troubleshooting information in error_log.\n"); cupsFilePuts(temp, "LogLevel debug\n"); } else { cupsFilePuts(temp, "# Show general information in error_log.\n"); cupsFilePuts(temp, "LogLevel " CUPS_DEFAULT_LOG_LEVEL "\n"); } } if (!wrote_port_listen && (remote_admin >= 0 || remote_any >= 0 || share_printers >= 0)) { if (remote_admin > 0 || remote_any > 0 || share_printers > 0) { cupsFilePuts(temp, "# Allow remote access\n"); cupsFilePrintf(temp, "Port %d\n", ippPort()); } else { cupsFilePuts(temp, "# Only listen for connections from the local machine.\n"); cupsFilePrintf(temp, "Listen localhost:%d\n", ippPort()); } #ifdef CUPS_DEFAULT_DOMAINSOCKET if (!access(CUPS_DEFAULT_DOMAINSOCKET, 0)) cupsFilePuts(temp, "Listen " CUPS_DEFAULT_DOMAINSOCKET "\n"); #endif /* CUPS_DEFAULT_DOMAINSOCKET */ } if (!wrote_root_location && (remote_admin >= 0 || remote_any >= 0 || share_printers >= 0)) { if (remote_admin > 0 && share_printers > 0) cupsFilePuts(temp, "# Allow shared printing and remote administration...\n"); else if (remote_admin > 0) cupsFilePuts(temp, "# Allow remote administration...\n"); else if (share_printers > 0) cupsFilePuts(temp, "# Allow shared printing...\n"); else if (remote_any > 0) cupsFilePuts(temp, "# Allow remote access...\n"); else cupsFilePuts(temp, "# Restrict access to the server...\n"); cupsFilePuts(temp, "<Location />\n" " Order allow,deny\n"); if (remote_admin > 0 || remote_any > 0 || share_printers > 0) cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL"); cupsFilePuts(temp, "</Location>\n"); } if (!wrote_admin_location && remote_admin >= 0) { if (remote_admin) cupsFilePuts(temp, "# Allow remote administration...\n"); else cupsFilePuts(temp, "# Restrict access to the admin pages...\n"); cupsFilePuts(temp, "<Location /admin>\n" " Order allow,deny\n"); if (remote_admin) cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL"); cupsFilePuts(temp, "</Location>\n"); } if (!wrote_conf_location && remote_admin >= 0) { if (remote_admin) cupsFilePuts(temp, "# Allow remote access to the configuration files...\n"); else cupsFilePuts(temp, "# Restrict access to the configuration files...\n"); cupsFilePuts(temp, "<Location /admin/conf>\n" " AuthType Default\n" " Require user @SYSTEM\n" " Order allow,deny\n"); if (remote_admin) cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL"); cupsFilePuts(temp, "</Location>\n"); } if (!wrote_log_location && remote_admin >= 0) { if (remote_admin) cupsFilePuts(temp, "# Allow remote access to the log files...\n"); else cupsFilePuts(temp, "# Restrict access to the log files...\n"); cupsFilePuts(temp, "<Location /admin/log>\n" " AuthType Default\n" " Require user @SYSTEM\n" " Order allow,deny\n"); if (remote_admin) cupsFilePrintf(temp, " Allow %s\n", remote_any > 0 ? "all" : "@LOCAL"); cupsFilePuts(temp, "</Location>\n"); } if (!wrote_policy && user_cancel_any >= 0) { cupsFilePuts(temp, "<Policy default>\n" " # Job-related operations must be done by the owner " "or an administrator...\n" " <Limit Send-Document Send-URI Hold-Job Release-Job " "Restart-Job Purge-Jobs Set-Job-Attributes " "Create-Job-Subscription Renew-Subscription " "Cancel-Subscription Get-Notifications Reprocess-Job " "Cancel-Current-Job Suspend-Current-Job Resume-Job " "CUPS-Move-Job>\n" " Require user @OWNER @SYSTEM\n" " Order deny,allow\n" " </Limit>\n" " # All administration operations require an " "administrator to authenticate...\n" " <Limit Pause-Printer Resume-Printer " "Set-Printer-Attributes Enable-Printer " "Disable-Printer Pause-Printer-After-Current-Job " "Hold-New-Jobs Release-Held-New-Jobs Deactivate-Printer " "Activate-Printer Restart-Printer Shutdown-Printer " "Startup-Printer Promote-Job Schedule-Job-After " "CUPS-Add-Printer CUPS-Delete-Printer " "CUPS-Add-Class CUPS-Delete-Class " "CUPS-Accept-Jobs CUPS-Reject-Jobs " "CUPS-Set-Default CUPS-Add-Device CUPS-Delete-Device>\n" " AuthType Default\n" " Require user @SYSTEM\n" " Order deny,allow\n" "</Limit>\n"); if (!user_cancel_any) cupsFilePuts(temp, " # Only the owner or an administrator can cancel " "a job...\n" " <Limit Cancel-Job>\n" " Order deny,allow\n" " Require user @OWNER " CUPS_DEFAULT_PRINTOPERATOR_AUTH "\n" " </Limit>\n"); cupsFilePuts(temp, " <Limit All>\n" " Order deny,allow\n" " </Limit>\n" "</Policy>\n"); } for (i = num_settings, setting = settings; i > 0; i --, setting ++) if (setting->name[0] != '_' && _cups_strcasecmp(setting->name, "Listen") && _cups_strcasecmp(setting->name, "Port") && !cupsGetOption(setting->name, cupsd_num_settings, cupsd_settings)) { /* * Add this directive to the list of directives we have written... */ cupsd_num_settings = cupsAddOption(setting->name, setting->value, cupsd_num_settings, &cupsd_settings); /* * Write the new value, without indentation since we only support * setting root directives, not in sections... */ cupsFilePrintf(temp, "%s %s\n", setting->name, setting->value); } cupsFileClose(cupsd); cupsFileClose(temp); /* * Upload the configuration file to the server... */ status = cupsPutFile(http, "/admin/conf/cupsd.conf", tempfile); if (status == HTTP_STATUS_CREATED) { /* * Updated OK, add the basic settings... */ if (debug_logging >= 0) cupsd_num_settings = cupsAddOption(CUPS_SERVER_DEBUG_LOGGING, debug_logging ? "1" : "0", cupsd_num_settings, &cupsd_settings); else cupsd_num_settings = cupsAddOption(CUPS_SERVER_DEBUG_LOGGING, old_debug_logging ? "1" : "0", cupsd_num_settings, &cupsd_settings); if (remote_admin >= 0) cupsd_num_settings = cupsAddOption(CUPS_SERVER_REMOTE_ADMIN, remote_admin ? "1" : "0", cupsd_num_settings, &cupsd_settings); else cupsd_num_settings = cupsAddOption(CUPS_SERVER_REMOTE_ADMIN, old_remote_admin ? "1" : "0", cupsd_num_settings, &cupsd_settings); if (remote_any >= 0) cupsd_num_settings = cupsAddOption(CUPS_SERVER_REMOTE_ANY, remote_any ? "1" : "0", cupsd_num_settings, &cupsd_settings); else cupsd_num_settings = cupsAddOption(CUPS_SERVER_REMOTE_ANY, old_remote_any ? "1" : "0", cupsd_num_settings, &cupsd_settings); if (share_printers >= 0) cupsd_num_settings = cupsAddOption(CUPS_SERVER_SHARE_PRINTERS, share_printers ? "1" : "0", cupsd_num_settings, &cupsd_settings); else cupsd_num_settings = cupsAddOption(CUPS_SERVER_SHARE_PRINTERS, old_share_printers ? "1" : "0", cupsd_num_settings, &cupsd_settings); if (user_cancel_any >= 0) cupsd_num_settings = cupsAddOption(CUPS_SERVER_USER_CANCEL_ANY, user_cancel_any ? "1" : "0", cupsd_num_settings, &cupsd_settings); else cupsd_num_settings = cupsAddOption(CUPS_SERVER_USER_CANCEL_ANY, old_user_cancel_any ? "1" : "0", cupsd_num_settings, &cupsd_settings); /* * Save the new values... */ invalidate_cupsd_cache(cg); cg->cupsd_num_settings = cupsd_num_settings; cg->cupsd_settings = cupsd_settings; cg->cupsd_update = time(NULL); httpGetHostname(http, cg->cupsd_hostname, sizeof(cg->cupsd_hostname)); } else cupsFreeOptions(cupsd_num_settings, cupsd_settings); /* * Remote our temp files and return... */ if (remote) unlink(cupsdconf); unlink(tempfile); return (status == HTTP_STATUS_CREATED); }
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); }
int /* O - Number of jobs */ cupsGetJobs2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ cups_job_t **jobs, /* O - Job data */ const char *name, /* I - @code NULL@ = all destinations, otherwise show jobs for named destination */ int myjobs, /* I - 0 = all users, 1 = mine */ int whichjobs) /* I - @code CUPS_WHICHJOBS_ALL@, @code CUPS_WHICHJOBS_ACTIVE@, or @code CUPS_WHICHJOBS_COMPLETED@ */ { int n; /* Number of jobs */ ipp_t *request, /* IPP Request */ *response; /* IPP Response */ ipp_attribute_t *attr; /* Current attribute */ cups_job_t *temp; /* Temporary pointer */ int id, /* job-id */ priority, /* job-priority */ size; /* job-k-octets */ ipp_jstate_t state; /* job-state */ time_t completed_time, /* time-at-completed */ creation_time, /* time-at-creation */ processing_time; /* time-at-processing */ const char *dest, /* job-printer-uri */ *format, /* document-format */ *title, /* job-name */ *user; /* job-originating-user-name */ char uri[HTTP_MAX_URI]; /* URI for jobs */ _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ static const char * const attrs[] = /* Requested attributes */ { "document-format", "job-id", "job-k-octets", "job-name", "job-originating-user-name", "job-printer-uri", "job-priority", "job-state", "time-at-completed", "time-at-creation", "time-at-processing" }; /* * Range check input... */ if (!jobs) { _cupsSetError(IPP_INTERNAL_ERROR, strerror(EINVAL), 0); return (-1); } /* * Get the right URI... */ if (name) { if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL, "localhost", 0, "/printers/%s", name) != HTTP_URI_OK) { _cupsSetError(IPP_INTERNAL_ERROR, _("Unable to create printer-uri"), 1); return (-1); } } else strcpy(uri, "ipp://localhost/"); if (!http) if ((http = _cupsConnect()) == NULL) return (-1); /* * Build an IPP_GET_JOBS request, which requires the following * attributes: * * attributes-charset * attributes-natural-language * printer-uri * requesting-user-name * which-jobs * my-jobs * requested-attributes */ request = ippNewRequest(IPP_GET_JOBS); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser()); if (myjobs) ippAddBoolean(request, IPP_TAG_OPERATION, "my-jobs", 1); if (whichjobs == CUPS_WHICHJOBS_COMPLETED) ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "which-jobs", NULL, "completed"); else if (whichjobs == CUPS_WHICHJOBS_ALL) ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "which-jobs", NULL, "all"); ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", sizeof(attrs) / sizeof(attrs[0]), NULL, attrs); /* * Do the request and get back a response... */ n = 0; *jobs = NULL; if ((response = cupsDoRequest(http, request, "/")) != NULL) { for (attr = response->attrs; attr; attr = attr->next) { /* * Skip leading attributes until we hit a job... */ while (attr && attr->group_tag != IPP_TAG_JOB) attr = attr->next; if (!attr) break; /* * Pull the needed attributes from this job... */ id = 0; size = 0; priority = 50; state = IPP_JOB_PENDING; user = "******"; dest = NULL; format = "application/octet-stream"; title = "untitled"; creation_time = 0; completed_time = 0; processing_time = 0; while (attr && attr->group_tag == IPP_TAG_JOB) { if (!strcmp(attr->name, "job-id") && attr->value_tag == IPP_TAG_INTEGER) id = attr->values[0].integer; else if (!strcmp(attr->name, "job-state") && attr->value_tag == IPP_TAG_ENUM) state = (ipp_jstate_t)attr->values[0].integer; else if (!strcmp(attr->name, "job-priority") && attr->value_tag == IPP_TAG_INTEGER) priority = attr->values[0].integer; else if (!strcmp(attr->name, "job-k-octets") && attr->value_tag == IPP_TAG_INTEGER) size = attr->values[0].integer; else if (!strcmp(attr->name, "time-at-completed") && attr->value_tag == IPP_TAG_INTEGER) completed_time = attr->values[0].integer; else if (!strcmp(attr->name, "time-at-creation") && attr->value_tag == IPP_TAG_INTEGER) creation_time = attr->values[0].integer; else if (!strcmp(attr->name, "time-at-processing") && attr->value_tag == IPP_TAG_INTEGER) processing_time = attr->values[0].integer; else if (!strcmp(attr->name, "job-printer-uri") && attr->value_tag == IPP_TAG_URI) { if ((dest = strrchr(attr->values[0].string.text, '/')) != NULL) dest ++; } else if (!strcmp(attr->name, "job-originating-user-name") && attr->value_tag == IPP_TAG_NAME) user = attr->values[0].string.text; else if (!strcmp(attr->name, "document-format") && attr->value_tag == IPP_TAG_MIMETYPE) format = attr->values[0].string.text; else if (!strcmp(attr->name, "job-name") && (attr->value_tag == IPP_TAG_TEXT || attr->value_tag == IPP_TAG_NAME)) title = attr->values[0].string.text; attr = attr->next; } /* * See if we have everything needed... */ if (!dest || !id) { if (!attr) break; else continue; } /* * Allocate memory for the job... */ if (n == 0) temp = malloc(sizeof(cups_job_t)); else temp = realloc(*jobs, sizeof(cups_job_t) * (n + 1)); if (!temp) { /* * Ran out of memory! */ _cupsSetError(IPP_INTERNAL_ERROR, NULL, 0); cupsFreeJobs(n, *jobs); *jobs = NULL; ippDelete(response); return (-1); } *jobs = temp; temp += n; n ++; /* * Copy the data over... */ temp->dest = _cupsStrAlloc(dest); temp->user = _cupsStrAlloc(user); temp->format = _cupsStrAlloc(format); temp->title = _cupsStrAlloc(title); temp->id = id; temp->priority = priority; temp->state = state; temp->size = size; temp->completed_time = completed_time; temp->creation_time = creation_time; temp->processing_time = processing_time; if (!attr) break; } ippDelete(response); } if (n == 0 && cg->last_error >= IPP_BAD_REQUEST) return (-1); else return (n); }
int /* O - Number of classes */ cupsGetClasses(char ***classes) /* O - Classes */ { int n; /* Number of classes */ ipp_t *request, /* IPP Request */ *response; /* IPP Response */ ipp_attribute_t *attr; /* Current attribute */ char **temp; /* Temporary pointer */ http_t *http; /* Connection to server */ if (!classes) { _cupsSetError(IPP_INTERNAL_ERROR, strerror(EINVAL), 0); return (0); } *classes = NULL; if ((http = _cupsConnect()) == NULL) return (0); /* * Build a CUPS_GET_CLASSES request, which requires the following * attributes: * * attributes-charset * attributes-natural-language * requested-attributes */ request = ippNewRequest(CUPS_GET_CLASSES); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", NULL, "printer-name"); /* * Do the request and get back a response... */ n = 0; if ((response = cupsDoRequest(http, request, "/")) != NULL) { for (attr = response->attrs; attr != NULL; attr = attr->next) if (attr->name != NULL && _cups_strcasecmp(attr->name, "printer-name") == 0 && attr->value_tag == IPP_TAG_NAME) { if (n == 0) temp = malloc(sizeof(char *)); else temp = realloc(*classes, sizeof(char *) * (n + 1)); if (temp == NULL) { /* * Ran out of memory! */ while (n > 0) { n --; free((*classes)[n]); } free(*classes); ippDelete(response); return (0); } *classes = temp; temp[n] = strdup(attr->values[0].string.text); n ++; } ippDelete(response); } return (n); }
ipp_status_t /* O - IPP status */ cupsCancelJob2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ const char *name, /* I - Name of printer or class */ int job_id, /* I - Job ID, @code CUPS_JOBID_CURRENT@ for the current job, or @code CUPS_JOBID_ALL@ for all jobs */ int purge) /* I - 1 to purge, 0 to cancel */ { char uri[HTTP_MAX_URI]; /* Job/printer URI */ ipp_t *request; /* IPP request */ /* * Range check input... */ if (job_id < -1 || (!name && job_id == 0)) { _cupsSetError(IPP_INTERNAL_ERROR, strerror(EINVAL), 0); return (0); } /* * Connect to the default server as needed... */ if (!http) if ((http = _cupsConnect()) == NULL) return (IPP_SERVICE_UNAVAILABLE); /* * Build an IPP_CANCEL_JOB or IPP_PURGE_JOBS request, which requires the following * attributes: * * attributes-charset * attributes-natural-language * job-uri or printer-uri + job-id * requesting-user-name * [purge-job] or [purge-jobs] */ request = ippNewRequest(job_id < 0 ? IPP_PURGE_JOBS : IPP_CANCEL_JOB); if (name) { httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL, "localhost", ippPort(), "/printers/%s", name); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri); ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id); } else if (job_id > 0) { snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", job_id); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri); } ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser()); if (purge && job_id >= 0) ippAddBoolean(request, IPP_TAG_OPERATION, "purge-job", 1); else if (!purge && job_id < 0) ippAddBoolean(request, IPP_TAG_OPERATION, "purge-jobs", 0); /* * Do the request... */ ippDelete(cupsDoRequest(http, request, "/jobs/")); return (cupsLastError()); }