/* * Copyright (C) 2016 The Android Open Source Project * Copyright (C) 2016 Mopria Alliance, Inc. * Copyright (C) 2013 Hewlett-Packard Development Company, L.P. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "lib_wprint.h" #include "cups.h" #include "http-private.h" #include "ipphelper.h" #include "wprint_debug.h" #include "ipp_print.h" #include "../plugins/media.h" #define TAG "ipphelper" #define IPP_JOB_UNKNOWN ((ipp_jstate_t)(-1)) const char *resource_extensions_arr[] = { DEFAULT_IPP_URI_RESOURCE, "/" }; /* * Get the IPP version of the given printer */ static status_t determine_ipp_version(char *, http_t *); /* * Tests IPP versions and sets it to the latest working version */ static status_t test_and_set_ipp_version(char *, http_t *, int, int); /* * Parses supported IPP versions from the IPP response and copies them into ippVersions */ static void parse_IPPVersions(ipp_t *response, ipp_version_supported_t *ippVersions); /* * Parses printer URIs from the IPP response and copies them into capabilities */ static void parse_printerUris(ipp_t *response, printer_capabilities_t *capabilities); static inline const char* strnstr(const char* s, const char* needle, size_t len) { if (len <= 0) return NULL; const char c = *needle++; const size_t needleLen = strlen(needle); do { do { if (len <= (ssize_t)needleLen) return NULL; --len; } while (*s++ != c); } while (memcmp(s, needle, needleLen) != 0); s--; return s; } /* * Known media sizes. * * A note on rounding: In some cases the Android-specified width (in mils) is rounded down. * This causes artifacts in libjpeg-turbo when rendering to the correct width, so in these * cases we override with a rounded-up value. */ struct MediaSizeTableElement SupportedMediaSizes[SUPPORTED_MEDIA_SIZE_COUNT] = { { US_LETTER, "LETTER", 8500, 11000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_letter_8.5x11in", 215900, 279400 }, { US_LEGAL, "LEGAL", 8500, 14000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_legal_8.5x14in", 215900, 355600 }, { LEDGER, "LEDGER", 11000, 17000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_ledger_11x17in", 279400, 431800 }, { INDEX_CARD_5X7, "5X7", 5000, 7000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_5x7_5x7in", 127000, 177800 }, // Android system uses width of 11690 { ISO_A3, "A3", 11694, 16540, 297, 420, "iso_a3_297x420mm", 297000, 420000 }, // Android system uses width of 8267 { ISO_A4, "A4", 8268, 11692, 210, 297, "iso_a4_210x297mm", 210000, 297000 }, { ISO_A5, "A5", 5830, 8270, 148, 210, "iso_a5_148x210mm", 148000, 210000 }, // Android system uses width of 10118 { JIS_B4, "JIS B4", 10119, 14331, 257, 364, "jis_b4_257x364mm", 257000, 364000 }, // Android system uses width of 7165 { JIS_B5, "JIS B5", 7167, 10118, 182, 257, "jis_b5_182x257mm", 182000, 257000 }, { US_GOVERNMENT_LETTER, "8x10", 8000, 10000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_govt-letter_8x10in",203200, 254000 }, { INDEX_CARD_4X6, "4x6", 4000, 6000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_index-4x6_4x6in", 101600, 152400 }, { JPN_HAGAKI_PC, "JPOST", 3940, 5830, 100, 148, "jpn_hagaki_100x148mm", 100000, 148000 }, { PHOTO_89X119, "89X119", 3504, 4685, 89, 119, "om_dsc-photo_89x119mm", 89000, 119000 }, { CARD_54X86, "54X86", 2126, 3386, 54, 86, "om_card_54x86mm", 54000, 86000 }, { OE_PHOTO_L, "L", 3500, 5000, UNKNOWN_VALUE, UNKNOWN_VALUE, "oe_photo-l_3.5x5in", 88900, 127000 }, // Large formats { ISO_AND_JIS_A0, "A0", 33110, 46810, 841, 1189, "iso_a0_841x1189mm", 841000, 1189000}, { ISO_AND_JIS_A1, "A1", 23390, 33110, 594, 841, "iso_a1_594x841mm", 594000, 841000}, { ISO_AND_JIS_A2, "A2", 16540, 23390, 420, 594, "iso_a2_420x594mm", 420000, 594000}, { ARCH_A, "9X12", 9000, 12000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_arch-a_9x12in", 228600, 304800}, { ARCH_B, "12X18", 12000, 18000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_arch-b_12x18in", 304800, 457200}, { ARCH_C, "18x24", 18000, 24000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_arch-c_18x24in", 457200, 609600}, { ARCH_D, "24x36", 24000, 36000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_arch-d_24x36in", 609600, 914400}, { ARCH_E, "36x48", 36000, 48000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_arch-e_36x48in", 914400, 1219200}, { ARCH_E1, "30x42", 30000, 42000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_wide-format_30x42in", 762000, 1066800}, { C_SIZE, "AnsiC", 17000, 22000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_c_17x22in", 431800, 558800}, { D_SIZE, "AnsiD", 22000, 34000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_d_22x34in", 558800, 863600}, { E_SIZE, "AnsiE", 34000, 44000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_e_34x44in", 863600, 1117600}, { F_SIZE, "AnsiF", 28000, 40000, UNKNOWN_VALUE, UNKNOWN_VALUE, "asme_f_28x40in", 711200, 1016000}, { SUPER_B, "SuperB", 13000, 19000, UNKNOWN_VALUE, UNKNOWN_VALUE, "na_super-b_13x19in", 330200, 482600} }; typedef struct { double Lower; double Upper; } media_dimension_mm_t; static const char *__request_ipp_version[] = {"ipp-versions-supported"}; static int __ipp_version_major = 2; static int __ipp_version_minor = 0; status_t set_ipp_version(ipp_t *op_to_set, char *printer_uri, http_t *http, ipp_version_state use_existing_version) { LOGD("set_ipp_version(): Enter %d", use_existing_version); if (op_to_set == NULL) { return ERROR; } switch (use_existing_version) { case NEW_REQUEST_SEQUENCE: __ipp_version_major = 2; __ipp_version_minor = 0; break; case IPP_VERSION_RESOLVED: break; case IPP_VERSION_UNSUPPORTED: if (determine_ipp_version(printer_uri, http) != 0) { return ERROR; } break; } ippSetVersion(op_to_set, __ipp_version_major, __ipp_version_minor); LOGD("set_ipp_version(): Done"); return OK; } static status_t determine_ipp_version(char *printer_uri, http_t *http) { LOGD("determine_ipp_version(): Enter printer_uri = %s", printer_uri); if (http == NULL) { LOGE("determine_ipp_version(): http is NULL cannot continue"); return ERROR; } if ((test_and_set_ipp_version(printer_uri, http, 1, 1) == OK) || (test_and_set_ipp_version(printer_uri, http, 1, 0) == OK) || (test_and_set_ipp_version(printer_uri, http, 2, 0) == OK)) { LOGD("successfully set ipp version."); } else { LOGD("could not get ipp version using any known ipp version."); return ERROR; } return OK; } static status_t test_and_set_ipp_version(char *printer_uri, http_t *http, int major, int minor) { status_t return_value = ERROR; int service_unavailable_retry_count = 0; int bad_request_retry_count = 0; ipp_t *request = NULL; ipp_t *response; ipp_version_supported_t ippVersions; char http_resource[1024]; int op = IPP_GET_PRINTER_ATTRIBUTES; LOGD("test_and_set_ipp_version(): Enter %d - %d", major, minor); memset(&ippVersions, 0, sizeof(ipp_version_supported_t)); getResourceFromURI(printer_uri, http_resource, 1024); do { request = ippNewRequest(op); ippSetVersion(request, major, minor); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, printer_uri); ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", sizeof(__request_ipp_version) / sizeof(__request_ipp_version[0]), NULL, __request_ipp_version); if ((response = cupsDoRequest(http, request, http_resource)) == NULL) { ipp_status_t ipp_status = cupsLastError(); LOGD("test_and_set_ipp_version: response is null: ipp_status %d %s", ipp_status, ippErrorString(ipp_status)); if (ipp_status == IPP_INTERNAL_ERROR) { LOGE("test_and_set_ipp_version: 1280 received, bailing..."); break; } else if ((ipp_status == IPP_SERVICE_UNAVAILABLE) && (service_unavailable_retry_count < IPP_SERVICE_ERROR_MAX_RETRIES)) { LOGE("test_and_set_ipp_version: 1282 received, retrying %d of %d", service_unavailable_retry_count, IPP_SERVICE_ERROR_MAX_RETRIES); service_unavailable_retry_count++; continue; } else if (ipp_status == IPP_BAD_REQUEST) { LOGE("test_and_set_ipp_version: IPP_Status of IPP_BAD_REQUEST " "received. retry (%d) of (%d)", bad_request_retry_count, IPP_BAD_REQUEST_MAX_RETRIES); if (bad_request_retry_count > IPP_BAD_REQUEST_MAX_RETRIES) { break; } bad_request_retry_count++; continue; } else if (ipp_status == IPP_NOT_FOUND) { LOGE("test_and_set_ipp_version: IPP_Status of IPP_NOT_FOUND received"); break; } return_value = ERROR; } else { ipp_status_t ipp_status = cupsLastError(); LOGD("ipp CUPS last ERROR: %d, %s", ipp_status, ippErrorString(ipp_status)); if (ipp_status == IPP_BAD_REQUEST) { LOGD("IPP_Status of IPP_BAD_REQUEST received. retry (%d) of (%d)", bad_request_retry_count, IPP_BAD_REQUEST_MAX_RETRIES); if (bad_request_retry_count > IPP_BAD_REQUEST_MAX_RETRIES) { break; } bad_request_retry_count++; ippDelete(response); continue; } parse_IPPVersions(response, &ippVersions); if (ippVersions.supportsIpp20) { __ipp_version_major = 2; __ipp_version_minor = 0; return_value = OK; LOGD("test_and_set_ipp_version(): ipp version set to %d,%d", __ipp_version_major, __ipp_version_minor); } else if (ippVersions.supportsIpp11) { __ipp_version_major = 1; __ipp_version_minor = 1; return_value = OK; LOGD("test_and_set_ipp_version(): ipp version set to %d,%d", __ipp_version_major, __ipp_version_minor); } else if (ippVersions.supportsIpp10) { __ipp_version_major = 1; __ipp_version_minor = 0; return_value = OK; LOGD("test_and_set_ipp_version(): ipp version set to %d,%d", __ipp_version_major, __ipp_version_minor); } else { LOGD("test_and_set_ipp_version: ipp version not found"); return_value = ERROR; } } if (response != NULL) ippDelete(response); break; } while (1); return return_value; } ipp_status_t get_PrinterState(http_t *http, char *printer_uri, printer_state_dyn_t *printer_state_dyn, ipp_pstate_t *printer_state) { LOGD("get_PrinterState(): Enter"); // Requested printer attributes static const char *pattrs[] = {"printer-make-and-model", "printer-state", "printer-state-message", "printer-state-reasons"}; ipp_t *request = NULL; ipp_t *response = NULL; ipp_status_t ipp_status = IPP_OK; int op = IPP_GET_PRINTER_ATTRIBUTES; char http_resource[1024]; getResourceFromURI(printer_uri, http_resource, 1024); if (printer_state_dyn == NULL) { LOGE("get_PrinterState(): printer_state_dyn is null"); return ipp_status; } if (printer_state) { *printer_state = IPP_PRINTER_STOPPED; } else { LOGE("get_PrinterState(): printer_state is null"); } request = ippNewRequest(op); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, printer_uri); ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]), NULL, pattrs); if ((response = ipp_doCupsRequest(http, request, http_resource, printer_uri)) == NULL) { ipp_status = cupsLastError(); LOGE("get_PrinterState(): response is null: ipp_status %d", ipp_status); printer_state_dyn->printer_status = PRINT_STATUS_UNABLE_TO_CONNECT; printer_state_dyn->printer_reasons[0] = PRINT_STATUS_UNABLE_TO_CONNECT; } else { ipp_status = cupsLastError(); LOGD("ipp CUPS last ERROR: %d, %s", ipp_status, ippErrorString(ipp_status)); get_PrinterStateReason(response, printer_state, printer_state_dyn); LOGD("get_PrinterState(): printer_state_dyn->printer_status: %d", printer_state_dyn->printer_status); } LOGD("get_PrinterState(): exit http->fd %d, ipp_status %d, printer_state %d", http->fd, ipp_status, printer_state_dyn->printer_status); ippDelete(request); ippDelete(response); return ipp_status; } void get_PrinterStateReason(ipp_t *response, ipp_pstate_t *printer_state, printer_state_dyn_t *printer_state_dyn) { LOGD("get_PrinterStateReason(): Enter"); ipp_attribute_t *attrptr; int reason_idx = 0; int idx = 0; ipp_pstate_t printer_ippstate = IPP_PRINTER_IDLE; if ((attrptr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) == NULL) { LOGE("get_PrinterStateReason printer-state null"); printer_state_dyn->printer_status = PRINT_STATUS_UNABLE_TO_CONNECT; printer_state_dyn->printer_reasons[0] = PRINT_STATUS_UNABLE_TO_CONNECT; } else { printer_ippstate = (ipp_pstate_t) ippGetInteger(attrptr, 0); *printer_state = printer_ippstate; LOGD("get_PrinterStateReason printer-state: %d", printer_ippstate); // set the printer_status; they may be modified based on the status reasons below. switch (printer_ippstate) { case IPP_PRINTER_IDLE: printer_state_dyn->printer_status = PRINT_STATUS_IDLE; break; case IPP_PRINTER_PROCESSING: printer_state_dyn->printer_status = PRINT_STATUS_PRINTING; break; case IPP_PRINTER_STOPPED: printer_state_dyn->printer_status = PRINT_STATUS_SVC_REQUEST; break; } } if ((attrptr = ippFindAttribute(response, "printer-state-reasons", IPP_TAG_KEYWORD)) == NULL) { LOGE(" get_PrinterStateReason printer-state reason null"); printer_state_dyn->printer_status = PRINT_STATUS_UNABLE_TO_CONNECT; printer_state_dyn->printer_reasons[0] = PRINT_STATUS_UNABLE_TO_CONNECT; } else { for (idx = 0; idx < ippGetCount(attrptr); idx++) { // Per RFC2911 any of these can have -error, -warning, or -report appended to end LOGD("get_PrinterStateReason printer-state-reason: %s", ippGetString(attrptr, idx, NULL)); if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_NONE, strlen(IPP_PRNT_STATE_NONE)) == 0) { switch (printer_ippstate) { case IPP_PRINTER_IDLE: printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_IDLE; break; case IPP_PRINTER_PROCESSING: printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_PRINTING; break; case IPP_PRINTER_STOPPED: // should this be PRINT_STATUS_SVC_REQUEST printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_UNKNOWN; break; } } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_SPOOL_FULL, strlen(IPP_PRNT_STATE_SPOOL_FULL)) == 0) { switch (printer_ippstate) { case IPP_PRINTER_IDLE: printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_UNKNOWN; break; case IPP_PRINTER_PROCESSING: printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_PRINTING; break; case IPP_PRINTER_STOPPED: // should this be PRINT_STATUS_SVC_REQUEST printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_UNKNOWN; break; } } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_MARKER_SUPPLY_LOW, strlen(IPP_PRNT_STATE_MARKER_SUPPLY_LOW)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_LOW_ON_INK; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_TONER_LOW, strlen(IPP_PRNT_STATE_TONER_LOW)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_LOW_ON_TONER; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_OTHER_WARN, strlen(IPP_PRNT_STATE_OTHER_WARN)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_UNKNOWN; } else { // check blocking cases if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_MEDIA_NEEDED, strlen(IPP_PRNT_STATE_MEDIA_NEEDED)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_OUT_OF_PAPER; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_MEDIA_EMPTY, strlen(IPP_PRNT_STATE_MEDIA_EMPTY)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_OUT_OF_PAPER; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_TONER_EMPTY, strlen(IPP_PRNT_STATE_TONER_EMPTY)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_OUT_OF_TONER; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_MARKER_SUPPLY_EMPTY, strlen(IPP_PRNT_STATE_MARKER_SUPPLY_EMPTY)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_OUT_OF_INK; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_DOOR_OPEN, strlen(IPP_PRNT_STATE_DOOR_OPEN)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_DOOR_OPEN; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_COVER_OPEN, strlen(IPP_PRNT_STATE_COVER_OPEN)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_DOOR_OPEN; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_MEDIA_JAM, strlen(IPP_PRNT_STATE_MEDIA_JAM)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_JAMMED; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_SHUTDOWN, strlen(IPP_PRNT_SHUTDOWN)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_SHUTTING_DOWN; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_STATE_OTHER_ERR, strlen(IPP_PRNT_STATE_OTHER_ERR)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_SVC_REQUEST; } else if (strncmp(ippGetString(attrptr, idx, NULL), IPP_PRNT_PAUSED, strlen(IPP_PRNT_PAUSED)) == 0) { printer_state_dyn->printer_reasons[reason_idx++] = PRINT_STATUS_UNKNOWN; } } } // end of reasons loop } } void set_jobStateDyn(ipp_t *response, ipp_jstate_t *job_state, job_state_dyn_t *job_state_dyn) { ipp_attribute_t *attr; if ((attr = ippFindAttribute(response, "job-state", IPP_TAG_ENUM)) == NULL) { LOGE(" job-state null"); } else { *job_state = (ipp_jstate_t) ippGetInteger(attr, 0); } switch (*job_state) { case IPP_JOB_PENDING: job_state_dyn->job_state = IPP_JOB_STATE_PENDING; break; case IPP_JOB_HELD: job_state_dyn->job_state = IPP_JOB_STATE_PENDING_HELD; break; case IPP_JOB_PROCESSING: job_state_dyn->job_state = IPP_JOB_STATE_PROCESSING; break; case IPP_JOB_STOPPED: job_state_dyn->job_state = IPP_JOB_STATE_PROCESSING_STOPPED; break; case IPP_JOB_CANCELED: job_state_dyn->job_state = IPP_JOB_STATE_CANCELED; break; case IPP_JOB_ABORTED: job_state_dyn->job_state = IPP_JOB_STATE_ABORTED; break; case IPP_JOB_COMPLETED: job_state_dyn->job_state = IPP_JOB_STATE_COMPLETED; break; default: if (*job_state == IPP_JOB_UNKNOWN) { job_state_dyn->job_state = IPP_JOB_STATE_UNABLE_TO_CONNECT; } break; } } void parse_jobStateReasons(ipp_t *response, job_state_dyn_t *job_state_dyn) { ipp_attribute_t *attr; if ((attr = ippFindAttribute(response, "job-state-reasons", IPP_TAG_KEYWORD)) == NULL) { job_state_dyn->job_state = IPP_JOB_STATE_UNABLE_TO_CONNECT; job_state_dyn->job_state_reasons[0] = IPP_JOB_STATE_REASON_UNABLE_TO_CONNECT; } else { int reasons_idx = 0; for (int i = 0; i < ippGetCount(attr); i++) { const char *text = ippGetString(attr, i, NULL); LOGD("get_JobStatus: ipp job-state-reason(%d) : %s", i, text); if (strcmp(text, "job-canceled-by-user") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_JOB_CANCELED_BY_USER; } else if (strcmp(text, "job-canceled-at-device") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_JOB_CANCELED_AT_DEVICE; } else if (strcmp(text, "aborted-by-system") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_ABORTED_BY_SYSTEM; } else if (strcmp(text, "unsupported-compression") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_UNSUPPORTED_COMPRESSION; } else if (strcmp(text, "compression-error") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_COMPRESSION_ERROR; } else if (strcmp(text, "unsupported-document-format") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_UNSUPPORTED_DOCUMENT_FORMAT; } else if (strcmp(text, "document-format-error") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_DOCUMENT_FORMAT_ERROR; } else if (strcmp(text, "service-off-line") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_SERVICE_OFFLINE; } else if (strcmp(text, "document-password-error") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_DOCUMENT_PASSWORD_ERROR; } else if (strcmp(text, "document-permission-error") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_DOCUMENT_PERMISSION_ERROR; } else if (strcmp(text, "document-security-error") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_DOCUMENT_SECURITY_ERROR; } else if (strcmp(text, "document-unprintable-error") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_DOCUMENT_UNPRINTABLE_ERROR; } else if (strcmp(text, "document-access-error") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_DOCUMENT_ACCESS_ERROR; } else if (strcmp(text, "submission-interrupted") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_SUBMISSION_INTERRUPTED; } else if (strcmp(text, "account-authorization-failed") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_AUTHORIZATION_FAILED; } else if (strcmp(text, "account-closed") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_ACCOUNT_CLOSED; } else if (strcmp(text, "account-info-needed") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_ACCOUNT_INFO_NEEDED; } else if (strcmp(text, "account-limit-reached") == 0) { job_state_dyn->job_state_reasons[reasons_idx++] = IPP_JOB_STATE_REASON_ACCOUNT_LIMIT_REACHED; } } } } ipp_status_t get_JobStatus(http_t *http, char *printer_uri, /* I - URI buffer */ int job_id, job_state_dyn_t *job_state_dyn, ipp_jstate_t *job_state, const char *requesting_user) { LOGD("get_JobStatus(): Enter"); static const char *const jattrs[] = { /* Job attributes we want */ "job-id", "job-printer-uri", "job-name", "job-state", "job-state-reasons" }; int service_unavailable_retry_count = 0; int bad_request_retry_count = 0; int op = IPP_GET_JOB_ATTRIBUTES; ipp_t *request; /* IPP request object */ ipp_t *response; /* IPP response object */ ipp_attribute_t *attr; /* Current IPP attribute */ ipp_attribute_t *attrptr; /* Attribute pointer */ ipp_status_t ipp_status = IPP_OK; /* Status of IPP request */ ipp_version_state ipp_version_supported = IPP_VERSION_RESOLVED; char http_resource[1024]; getResourceFromURI(printer_uri, http_resource, 1024); if (job_state_dyn == NULL) { LOGE("get_JobStatus(): ERROR: get_JobStatus entry: job_state_dyn is null"); return ipp_status; } if (job_state != NULL) { *job_state = IPP_JOB_UNKNOWN; } else { LOGE(" get_JobStatus: job_state is null"); // return error... return ipp_status; } LOGD(" get_JobStatus IPP_GET_JOB_ATTRIBUTES http->fd %d", http->fd); do { ipp_status = IPP_OK; // reset ipp_status request = ippNewRequest(op); if (set_ipp_version(request, printer_uri, http, ipp_version_supported) != 0) { LOGE("get_JobStatus(): set_ipp_version!=0, version not set"); ipp_status = IPP_VERSION_NOT_SUPPORTED; ippDelete(request); break; } ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, printer_uri); ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", job_id); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, requesting_user); ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]), NULL, jattrs); for (attrptr = ippFirstAttribute(request); attrptr; attrptr = ippNextAttribute(request)) { print_attr(attrptr); } if ((response = cupsDoRequest(http, request, http_resource)) == NULL) { job_state_dyn->job_state = IPP_JOB_STATE_UNABLE_TO_CONNECT; job_state_dyn->job_state_reasons[0] = IPP_JOB_STATE_REASON_UNABLE_TO_CONNECT; ipp_status = cupsLastError(); LOGE(" get_JobStatus: response is null: ipp_status %d", ipp_status); if (ipp_status == IPP_INTERNAL_ERROR) { LOGE("get_JobStatus: 1280 received, bailing..."); break; } if (ipp_status == IPP_SERVICE_UNAVAILABLE && (service_unavailable_retry_count < IPP_SERVICE_ERROR_MAX_RETRIES)) { LOGE("1282 received, retrying %d of %d", service_unavailable_retry_count, IPP_SERVICE_ERROR_MAX_RETRIES); service_unavailable_retry_count++; continue; } if (ipp_status == IPP_BAD_REQUEST) { LOGE("IPP_Status of IPP_BAD_REQUEST received. retry (%d) of (%d)", bad_request_retry_count, IPP_BAD_REQUEST_MAX_RETRIES); bad_request_retry_count++; continue; } if (ipp_status == IPP_NOT_FOUND) { LOGE("IPP_Status of IPP_NOT_FOUND received. Switching resource path."); if (tryNextResourceExtension(printer_uri)) { getResourceFromURI(printer_uri, http_resource, 1024); continue; } else { LOGE("No more resource paths to try"); break; } } } else { ipp_status = cupsLastError(); LOGD("ipp CUPS last ERROR: %d, %s", ipp_status, ippErrorString(ipp_status)); if (ipp_status == IPP_BAD_REQUEST) { LOGE("IPP_Status of IPP_BAD_REQUEST received. retry (%d) of (%d)", bad_request_retry_count, IPP_BAD_REQUEST_MAX_RETRIES); bad_request_retry_count++; ippDelete(response); continue; } if (ipp_status == IPP_VERSION_NOT_SUPPORTED) { ipp_version_supported = IPP_VERSION_UNSUPPORTED; ippDelete(response); continue; } LOGD(" get_JobStatus: response!=null: ipp_status %d", ipp_status); for (attrptr = ippFirstAttribute(response); attrptr; attrptr = ippNextAttribute(response)) print_attr(attrptr); } set_jobStateDyn(response, job_state, job_state_dyn); parse_jobStateReasons(response, job_state_dyn); if (response != NULL) ippDelete(response); break; } while (bad_request_retry_count < IPP_BAD_REQUEST_MAX_RETRIES && service_unavailable_retry_count < IPP_SERVICE_ERROR_MAX_RETRIES); LOGD(" get_JobStatus exit ipp_status %d, job_state %d", ipp_status, *job_state); return ipp_status; } static void print_col(ipp_t *col) { int i; ipp_attribute_t *attr; LOGD("{"); for (attr = ippFirstAttribute(col); attr; attr = ippNextAttribute(col)) { switch (ippGetValueTag(attr)) { case IPP_TAG_INTEGER: case IPP_TAG_ENUM: for (i = 0; i < ippGetCount(attr); i++) { LOGD(" %s(%s%s)= %d ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr)), ippGetInteger(attr, i)); } break; case IPP_TAG_BOOLEAN: for (i = 0; i < ippGetCount(attr); i++) { if (ippGetBoolean(attr, i)) { LOGD(" %s(%s%s)= true ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr))); } else { LOGD(" %s(%s%s)= false ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr))); } } break; case IPP_TAG_NOVALUE: LOGD(" %s(%s%s)= novalue", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr))); break; case IPP_TAG_RANGE: for (i = 0; i < ippGetCount(attr); i++) { int lower, upper; lower = ippGetRange(attr, i, &upper); LOGD(" %s(%s%s)= %d-%d ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr)), lower, upper); } break; case IPP_TAG_RESOLUTION: for (i = 0; i < ippGetCount(attr); i++) { ipp_res_t units; int xres, yres; xres = ippGetResolution(attr, i, &yres, &units); LOGD(" %s(%s%s)= %dx%d%s ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr)), xres, yres, units == IPP_RES_PER_INCH ? "dpi" : "dpc"); } break; case IPP_TAG_STRING: case IPP_TAG_TEXT: case IPP_TAG_NAME: case IPP_TAG_KEYWORD: case IPP_TAG_CHARSET: case IPP_TAG_URI: case IPP_TAG_MIMETYPE: case IPP_TAG_LANGUAGE: for (i = 0; i < ippGetCount(attr); i++) { LOGD(" %s(%s%s)= \"%s\" ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr)), ippGetString(attr, i, NULL)); } break; case IPP_TAG_TEXTLANG: case IPP_TAG_NAMELANG: for (i = 0; i < ippGetCount(attr); i++) { const char *charset; const char *text; text = ippGetString(attr, i, &charset); LOGD(" %s(%s%s)= \"%s\",%s ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr)), text, charset); } break; case IPP_TAG_BEGIN_COLLECTION: for (i = 0; i < ippGetCount(attr); i++) { print_col(ippGetCollection(attr, i)); } break; default: break; } } LOGD("}"); } void print_attr(ipp_attribute_t *attr) { int i; if (ippGetName(attr) == NULL) { return; } switch (ippGetValueTag(attr)) { case IPP_TAG_INTEGER: case IPP_TAG_ENUM: for (i = 0; i < ippGetCount(attr); i++) { LOGD("%s (%s%s) = %d ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr)), ippGetInteger(attr, i)); } break; case IPP_TAG_BOOLEAN: for (i = 0; i < ippGetCount(attr); i++) { if (ippGetBoolean(attr, i)) { LOGD("%s (%s%s) = true ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr))); } else { LOGD("%s (%s%s) = false ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr))); } } break; case IPP_TAG_NOVALUE: LOGD("%s (%s%s) = novalue", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr))); break; case IPP_TAG_RANGE: for (i = 0; i < ippGetCount(attr); i++) { int lower, upper; lower = ippGetRange(attr, i, &upper); LOGD("%s (%s%s) = %d-%d ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr)), lower, upper); } break; case IPP_TAG_RESOLUTION: for (i = 0; i < ippGetCount(attr); i++) { ipp_res_t units; int xres, yres; xres = ippGetResolution(attr, i, &yres, &units); LOGD("%s (%s%s) = %dx%d%s ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr)), xres, yres, units == IPP_RES_PER_INCH ? "dpi" : "dpc"); } break; case IPP_TAG_STRING: case IPP_TAG_TEXT: case IPP_TAG_NAME: case IPP_TAG_KEYWORD: case IPP_TAG_CHARSET: case IPP_TAG_URI: case IPP_TAG_MIMETYPE: case IPP_TAG_LANGUAGE: for (i = 0; i < ippGetCount(attr); i++) { LOGD("%s (%s%s) = \"%s\" ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr)), ippGetString(attr, i, NULL)); } break; case IPP_TAG_TEXTLANG: case IPP_TAG_NAMELANG: for (i = 0; i < ippGetCount(attr); i++) { const char *charset; const char *text; text = ippGetString(attr, i, &charset); LOGD("%s (%s%s) = \"%s\",%s ", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr)), text, charset); } break; case IPP_TAG_BEGIN_COLLECTION: for (i = 0; i < ippGetCount(attr); i++) { LOGD("%s (%s%s): IPP_TAG_BEGIN_COLLECTION", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr))); print_col(ippGetCollection(attr, i)); } LOGD("%s (%s%s): IPP_TAG_END_COLLECTION", ippGetName(attr), ippGetCount(attr) > 1 ? "1setOf " : "", ippTagString(ippGetValueTag(attr))); break; default: break; } } void parse_IPPVersions(ipp_t *response, ipp_version_supported_t *ippVersions) { int i; ipp_attribute_t *attrptr; char ipp10[] = "1.0"; char ipp11[] = "1.1"; char ipp20[] = "2.0"; LOGD(" Entered IPPVersions"); if (ippVersions != NULL) { memset(ippVersions, 0, sizeof(ipp_version_supported_t)); LOGD(" in get_supportedIPPVersions"); attrptr = ippFindAttribute(response, "ipp-versions-supported", IPP_TAG_KEYWORD); if (attrptr != NULL) { LOGD(" in get_supportedIPPVersions: %d", ippGetCount(attrptr)); for (i = 0; i < ippGetCount(attrptr); i++) { if (strcmp(ipp10, ippGetString(attrptr, i, NULL)) == 0) { ippVersions->supportsIpp10 = 1; } else if (strcmp(ipp11, ippGetString(attrptr, i, NULL)) == 0) { ippVersions->supportsIpp11 = 1; } else if (strcmp(ipp20, ippGetString(attrptr, i, NULL)) == 0) { ippVersions->supportsIpp20 = 1; } else { LOGD("found another ipp version. %s", ippGetString(attrptr, i, NULL)); } } } } } const char *mapDFMediaToIPPKeyword(media_size_t media_size) { int i; for (i = 0; i < SUPPORTED_MEDIA_SIZE_COUNT; i++) { if (SupportedMediaSizes[i].media_size == (media_size_t) media_size) { return (SupportedMediaSizes[i].PWGName); } } return (SupportedMediaSizes[0].PWGName); } int ipp_find_media_size(const char *ipp_media_keyword, media_size_t *media_size) { int i; LOGD("ipp_find_media_size entry is %s", ipp_media_keyword); for (i = 0; i < SUPPORTED_MEDIA_SIZE_COUNT; i++) { if (strcmp(SupportedMediaSizes[i].PWGName, ipp_media_keyword) == 0) { LOGD(" mediaArraySize: match string %s PT_size: %d", SupportedMediaSizes[i].PWGName, SupportedMediaSizes[i].media_size); break; } } if (i < SUPPORTED_MEDIA_SIZE_COUNT) { *media_size = SupportedMediaSizes[i].media_size; return i; } else { return -1; } return -1; } static int getMediaSizeFromTag(const char *media_size_tag, media_size_t *media_size) { int i; LOGD("find media size from tag %s", media_size_tag); for (i = 0; i < SUPPORTED_MEDIA_SIZE_COUNT; i++) { if (strcmp(SupportedMediaSizes[i].PWGName, media_size_tag) == 0) { LOGD("Media size match: pwg name %s", SupportedMediaSizes[i].PWGName); *media_size = SupportedMediaSizes[i].media_size; return i; } } return -1; } static int getMediaSizeNameFromDimens( unsigned int mediaColReadyWidth, unsigned int mediaColReadyHeight, media_size_t *media_size) { int i; for (i = 0; i < SUPPORTED_MEDIA_SIZE_COUNT; i++) { if (SupportedMediaSizes[i].WidthInMicrometers / 10 == mediaColReadyWidth && SupportedMediaSizes[i].HeightInMicrometers / 10 == mediaColReadyHeight) { *media_size = SupportedMediaSizes[i].media_size; return i; } } return -1; } static void addMediaIfNotDuplicate( int idx, int *sizes_idx, media_supported_t *media_supported, media_size_t media_size) { if (idx >= 0) { // Check if we've already added this media size to the supported list bool isDuplicate = false; for (int j = 0; j < (*sizes_idx); j++) { if (media_supported->idxKeywordTranTable[j] == idx) { isDuplicate = true; break; } } // Only add if it hasn't been added yet if (!isDuplicate) { media_supported->media_size[(*sizes_idx)] = media_size; media_supported->idxKeywordTranTable[(*sizes_idx)] = idx; (*sizes_idx)++; } } } static void addRollSupportedSizes( unsigned int minWidth, unsigned int maxWidth, unsigned int minHeight, unsigned int maxHeight, media_supported_t *media_supported, int *sizesIdx) { // If a supported media size fits on the roll size, add it to the list for (int i = 0; i < SUPPORTED_MEDIA_SIZE_COUNT; i++) { if (SupportedMediaSizes[i].WidthInMicrometers / 10 >= minWidth && SupportedMediaSizes[i].WidthInMicrometers / 10 <= maxWidth && SupportedMediaSizes[i].HeightInMicrometers / 10 >= minHeight && SupportedMediaSizes[i].HeightInMicrometers / 10 <= maxHeight) { addMediaIfNotDuplicate(i, sizesIdx, media_supported, SupportedMediaSizes[i].media_size); } } } void parse_getMediaSupported( ipp_t *response, media_supported_t *media_supported, printer_capabilities_t *capabilities) { int i; int sizes_idx = 0; bool roll_supported = false; LOGD(" Entered getMediaSupported"); media_size_t media_sizeTemp; int idx = 0; // Check for media-col-ready first ipp_attribute_t *attrptr; if ((attrptr = ippFindAttribute(response, "media-col-ready", IPP_TAG_BEGIN_COLLECTION)) != NULL) { LOGD("media-col-ready found"); for (i = 0; i < ippGetCount(attrptr); i++) { ipp_t *collection = ippGetCollection(attrptr, i); ipp_attribute_t *attrptr2; media_ready_set_t mediaReadySet = {}; int minHeight = 0, maxHeight = 0; int minWidth = 0, maxWidth = 0; for (attrptr2 = ippFirstAttribute(collection); (attrptr2 != NULL); attrptr2 = ippNextAttribute(collection)) { if (strcmp("media-size", ippGetName(attrptr2)) == 0) { ipp_t *collection_sec = ippGetCollection(attrptr2, 0); ipp_attribute_t *attrptr3; for (attrptr3 = ippFirstAttribute(collection_sec); (attrptr3 != NULL); attrptr3 = ippNextAttribute(collection_sec)) { if (strcmp("x-dimension", ippGetName(attrptr3)) == 0) { if (ippGetValueTag(attrptr3) == IPP_TAG_RANGE) { minWidth = ippGetRange(attrptr3, 0, &maxWidth); mediaReadySet.x_dimension = minWidth; } else if (ippGetValueTag(attrptr3) == IPP_TAG_INTEGER) { maxWidth = ippGetInteger(attrptr3, 0); mediaReadySet.x_dimension = maxWidth; } } else if (strcmp("y-dimension", ippGetName(attrptr3)) == 0) { if (ippGetValueTag(attrptr3) == IPP_TAG_RANGE) { minHeight = ippGetRange(attrptr3, 0, &maxHeight); mediaReadySet.y_dimension = minHeight; } else if (ippGetValueTag(attrptr3) == IPP_TAG_INTEGER) { mediaReadySet.y_dimension = ippGetInteger(attrptr3, 0); } } } } else if (strcmp("media-source", ippGetName(attrptr2)) == 0) { memset(mediaReadySet.media_tray_tag, 0, MAX_STRING + 1); strncpy(mediaReadySet.media_tray_tag, ippGetString(attrptr2, 0, NULL), MAX_STRING); } } if (minHeight > 0 && maxHeight > 0 && strstr(mediaReadySet.media_tray_tag, "roll") != NULL) { roll_supported = true; // If the source is a roll, add supported sizes that would fit on the roll addRollSupportedSizes(minWidth, maxWidth, minHeight, maxHeight, media_supported, &sizes_idx); } else { // Get the media size name from x and y dimensions idx = getMediaSizeNameFromDimens(mediaReadySet.x_dimension, mediaReadySet.y_dimension, &media_sizeTemp); addMediaIfNotDuplicate(idx, &sizes_idx, media_supported, media_sizeTemp); } } } // Check media-ready if no supported media was found in media-col-ready if (sizes_idx == 0 && (attrptr = ippFindAttribute(response, "media-ready", IPP_TAG_KEYWORD)) != NULL) { LOGD("media-ready found"); for (i = 0; i < ippGetCount(attrptr); i++) { char media_size_tag[MAX_STRING + 1]; memset(media_size_tag, 0, MAX_STRING + 1); strncpy(media_size_tag, ippGetString(attrptr, i, NULL), MAX_STRING); idx = getMediaSizeFromTag(media_size_tag, &media_sizeTemp); addMediaIfNotDuplicate(idx, &sizes_idx, media_supported, media_sizeTemp); } } // Set media ready size as default if we found any if (sizes_idx > 0) { strlcpy(capabilities->mediaDefault, mapDFMediaToIPPKeyword(media_supported->media_size[0]), sizeof(capabilities->mediaDefault)); } // Append media-supported. media is de-duplicated later in java if ((attrptr = ippFindAttribute(response, "media-supported", IPP_TAG_KEYWORD)) != NULL) { LOGD("media-supported found; number of values %d", ippGetCount(attrptr)); for (i = 0; i < ippGetCount(attrptr); i++) { idx = ipp_find_media_size(ippGetString(attrptr, i, NULL), &media_sizeTemp); // Modified since anytime the find media size returned 0 it could either mean // NOT found or na_letter. if (idx >= 0) { media_supported->media_size[sizes_idx] = media_sizeTemp; media_supported->idxKeywordTranTable[sizes_idx] = idx; sizes_idx++; } } } // Get common media which is supported by media-col-ready(roll) and media-supported if (roll_supported) { int supported_by_roll_and_media = 0; for (int j = 0; j <= PAGE_STATUS_MAX - 1 && media_supported->media_size[j] != 0; j++) { for (int k = j + 1; k <= PAGE_STATUS_MAX - 1 && media_supported->media_size[k] != 0; k++) { if (media_supported->media_size[j] != 0 && media_supported->media_size[j] == media_supported->media_size[k]) { media_supported->media_size[supported_by_roll_and_media] = media_supported->media_size[j]; media_supported->idxKeywordTranTable[supported_by_roll_and_media] = media_supported->idxKeywordTranTable[j]; supported_by_roll_and_media += 1; break; } } } for (int j = supported_by_roll_and_media; j <= PAGE_STATUS_MAX - 1 && media_supported->media_size[j] != 0; j++) { media_supported->media_size[j] = 0; media_supported->idxKeywordTranTable[j] = -1; } } if (sizes_idx == 0) { LOGD("No supported media found"); } } static void get_supportedPrinterResolutions(ipp_attribute_t *attrptr, printer_capabilities_t *capabilities) { int idx = 0; int i; for (i = 0; i < ippGetCount(attrptr); i++) { ipp_res_t units; int xres, yres; xres = ippGetResolution(attrptr, i, &yres, &units); if (units == IPP_RES_PER_INCH) { if ((idx < MAX_RESOLUTIONS_SUPPORTED) && (xres == yres)) { capabilities->supportedResolutions[idx] = xres; idx++; } } } capabilities->numSupportedResolutions = idx; } void getResourceFromURI(const char *uri, char *resource, int resourcelen) { char scheme[1024]; char username[1024]; char host[1024]; int port; httpSeparateURI(0, uri, scheme, 1024, username, 1024, host, 1024, &port, resource, resourcelen); } /* * Add a new media type to a printer's collection of supported media types */ static void addMediaType(printer_capabilities_t *capabilities, media_type_t mediaType) { int index; for (index = 0; index < capabilities->numSupportedMediaTypes; index++) { // Skip if already present if (capabilities->supportedMediaTypes[index] == mediaType) return; } // Add if not found and not too many if (capabilities->numSupportedMediaTypes < MAX_MEDIA_TYPES_SUPPORTED) { capabilities->supportedMediaTypes[capabilities->numSupportedMediaTypes++] = mediaType; } else { LOGI("Hit MAX_MEDIA_TYPES_SUPPORTED while adding %d", mediaType); } } void parse_printerAttributes(ipp_t *response, printer_capabilities_t *capabilities) { int i, j; ipp_attribute_t *attrptr; LOGD("Entered parse_printerAttributes"); media_supported_t media_supported; for (i = 0; i <= PAGE_STATUS_MAX - 1; i++) { media_supported.media_size[i] = 0; media_supported.idxKeywordTranTable[i] = -1; } parse_getMediaSupported(response, &media_supported, capabilities); parse_printerUris(response, capabilities); LOGD("Media Supported: "); int idx = 0; capabilities->numSupportedMediaTypes = 0; for (i = 0; i <= PAGE_STATUS_MAX - 1; i++) { if (media_supported.media_size[i] != 0 && media_supported.idxKeywordTranTable[i] >= 0) { capabilities->supportedMediaSizes[capabilities->numSupportedMediaSizes++] = media_supported.media_size[i]; idx = media_supported.idxKeywordTranTable[i]; LOGD(" i %d, \tPT_Size: %d \tidx %d \tKeyword: %s", i, media_supported.media_size[i], idx, SupportedMediaSizes[idx].PWGName); } } if ((attrptr = ippFindAttribute(response, "printer-dns-sd-name", IPP_TAG_NAME)) != NULL) { strlcpy(capabilities->name, ippGetString(attrptr, 0, NULL), sizeof(capabilities->name)); } if (!capabilities->name[0]) { if ((attrptr = ippFindAttribute(response, "printer-info", IPP_TAG_TEXT)) != NULL) { strlcpy(capabilities->name, ippGetString(attrptr, 0, NULL), sizeof(capabilities->name)); } } if (!capabilities->name[0]) { if ((attrptr = ippFindAttribute(response, "printer-name", IPP_TAG_TEXT)) != NULL) { strlcpy(capabilities->name, ippGetString(attrptr, 0, NULL), sizeof(capabilities->name)); } } if ((attrptr = ippFindAttribute(response, "printer-make-and-model", IPP_TAG_TEXT)) != NULL) { strlcpy(capabilities->make, ippGetString(attrptr, 0, NULL), sizeof(capabilities->make)); } if ((attrptr = ippFindAttribute(response, "printer-uuid", IPP_TAG_URI)) != NULL) { strlcpy(capabilities->uuid, ippGetString(attrptr, 0, NULL), sizeof(capabilities->uuid)); } if ((attrptr = ippFindAttribute(response, "printer-location", IPP_TAG_TEXT)) != NULL) { strlcpy(capabilities->location, ippGetString(attrptr, 0, NULL), sizeof(capabilities->location)); } if ((attrptr = ippFindAttribute(response, "media-default", IPP_TAG_KEYWORD)) != NULL && strlen(capabilities->mediaDefault) <= 0) { strlcpy(capabilities->mediaDefault, ippGetString(attrptr, 0, NULL), sizeof(capabilities->mediaDefault)); } if ((attrptr = ippFindAttribute(response, "color-supported", IPP_TAG_BOOLEAN)) != NULL) { if (ippGetBoolean(attrptr, 0)) { capabilities->color = 1; } } if ((attrptr = ippFindAttribute(response, "copies-supported", IPP_TAG_RANGE)) != NULL) { int upper = 0; for (i = 0; i < ippGetCount(attrptr); i++) { ippGetRange(attrptr, i, &upper); } if (upper > 1) { capabilities->canCopy = 1; } } if ((attrptr = ippFindAttribute(response, "print-color-mode-supported", IPP_TAG_KEYWORD)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { if (strcmp("color", ippGetString(attrptr, i, NULL)) == 0) { capabilities->color = 1; } } } if ((attrptr = ippFindAttribute(response, "print-quality-supported", IPP_TAG_ENUM)) != NULL) { for (i = 0; i < ippGetCount(attrptr) && capabilities->numSupportedQuality < MAX_QUALITY_SUPPORTED; i++) { LOGD("print-quality-supported: %d", ippGetInteger(attrptr, i)); capabilities->supportedQuality[capabilities->numSupportedQuality++] = ippGetInteger(attrptr, i); } } char imagePCLm[] = "application/PCLm"; char imagePWG[] = "image/pwg-raster"; char imagePDF[] = "image/pdf"; char applicationPDF[] = "application/pdf"; if ((attrptr = ippFindAttribute(response, "document-format-supported", IPP_TAG_MIMETYPE)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { if (strcmp(imagePDF, ippGetString(attrptr, i, NULL)) == 0) { capabilities->canPrintPDF = 1; } else if (strcmp(applicationPDF, ippGetString(attrptr, i, NULL)) == 0) { capabilities->canPrintPDF = 1; } else if (strcmp(imagePCLm, ippGetString(attrptr, i, NULL)) == 0) { capabilities->canPrintPCLm = 1; } else if (strcmp(applicationPDF, ippGetString(attrptr, i, NULL)) == 0) { capabilities->canPrintPDF = 1; } else if (strcmp(imagePWG, ippGetString(attrptr, i, NULL)) == 0) { capabilities->canPrintPWG = 1; } } } if ((attrptr = ippFindAttribute(response, "sides-supported", IPP_TAG_KEYWORD)) != NULL) { capabilities->sidesSupported = 1; for (i = 0; i < ippGetCount(attrptr); i++) { if (strcmp(IPP_SIDES_TWO_SIDED_SHORT_EDGE, ippGetString(attrptr, i, NULL)) == 0) { capabilities->duplex = 1; } else if (strcmp(IPP_SIDES_TWO_SIDED_LONG_EDGE, ippGetString(attrptr, i, NULL)) == 0) { capabilities->duplex = 1; } } } // Look up supported media types capabilities->numSupportedMediaTypes = 0; if (((attrptr = ippFindAttribute(response, "media-type-supported", IPP_TAG_KEYWORD)) != NULL) || ((attrptr = ippFindAttribute(response, "media-type-supported", IPP_TAG_NAME)) != NULL)) { for (i = 0; i < ippGetCount(attrptr); i++) { if (strcasestr(ippGetString(attrptr, i, NULL), "photographic-glossy")) { addMediaType(capabilities, MEDIA_PHOTO_GLOSSY); } else if (strcasestr(ippGetString(attrptr, i, NULL), "photo")) { addMediaType(capabilities, MEDIA_PHOTO); } else if (strcasestr(ippGetString(attrptr, i, NULL), "stationery")) { addMediaType(capabilities, MEDIA_PLAIN); } else if (strcasestr(ippGetString(attrptr, i, NULL), "auto")) { addMediaType(capabilities, MEDIA_AUTO); } } } if (capabilities->numSupportedMediaTypes == 0) { // If no recognized media types were found, fall back to all 3 just in case addMediaType(capabilities, MEDIA_PLAIN); addMediaType(capabilities, MEDIA_PHOTO); addMediaType(capabilities, MEDIA_PHOTO_GLOSSY); } capabilities->numSupportedResolutions = 0; // only appears that SMM supports the pclm-source-resolution-supported attribute // if that is not present, use the printer-resolution-supported attribute to determine // if 300DPI is supported if ((attrptr = ippFindAttribute(response, "pclm-source-resolution-supported", IPP_TAG_RESOLUTION)) != NULL) { get_supportedPrinterResolutions(attrptr, capabilities); } else if ((attrptr = ippFindAttribute(response, "printer-resolution-supported", IPP_TAG_RESOLUTION)) != NULL) { get_supportedPrinterResolutions(attrptr, capabilities); } char ipp10[] = "1.0"; char ipp11[] = "1.1"; char ipp20[] = "2.0"; if ((attrptr = ippFindAttribute(response, "ipp-versions-supported", IPP_TAG_KEYWORD)) != NULL) { unsigned char supportsIpp20 = 0; unsigned char supportsIpp11 = 0; unsigned char supportsIpp10 = 0; for (i = 0; i < ippGetCount(attrptr); i++) { if (strcmp(ipp10, ippGetString(attrptr, i, NULL)) == 0) { supportsIpp10 = 1; } else if (strcmp(ipp11, ippGetString(attrptr, i, NULL)) == 0) { supportsIpp11 = 1; } else if (strcmp(ipp20, ippGetString(attrptr, i, NULL)) == 0) { supportsIpp20 = 1; } else { LOGD("found another ipp version. %s", ippGetString(attrptr, i, NULL)); } if (supportsIpp20) { capabilities->ippVersionMajor = 2; capabilities->ippVersionMinor = 0; } else if (supportsIpp11) { capabilities->ippVersionMajor = 1; capabilities->ippVersionMinor = 1; } else if (supportsIpp10) { capabilities->ippVersionMajor = 1; capabilities->ippVersionMinor = 0; } else { // default to 1.0 capabilities->ippVersionMajor = 1; capabilities->ippVersionMinor = 0; } } } char epcl10[] = "1.0"; if ((attrptr = ippFindAttribute(response, "epcl-version-supported", IPP_TAG_KEYWORD)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { LOGD("setting epcl_ipp_version (KEYWORD) %s", ippGetString(attrptr, i, NULL)); // substring match because different devices implemented spec differently if (strstr(ippGetString(attrptr, i, NULL), epcl10) != NULL) { LOGD("setting epcl_ipp_version = 1"); capabilities->ePclIppVersion = 1; } } } if ((attrptr = ippFindAttribute(response, "epcl-version-supported", IPP_TAG_TEXT)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { LOGD("setting epcl_ipp_verion (TEXT) %s", ippGetString(attrptr, i, NULL)); // substring match because different devices implemented spec differently if (strstr(ippGetString(attrptr, i, NULL), epcl10) != NULL) { LOGD("setting epcl_ipp_verion = 1"); capabilities->ePclIppVersion = 1; } } } if ((attrptr = ippFindAttribute(response, "media-col-default", IPP_TAG_BEGIN_COLLECTION)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { LOGD("Gathering margins supported"); ipp_t *collection = ippGetCollection(attrptr, i); for (j = 0, attrptr = ippFirstAttribute(collection); (j < 4) && (attrptr != NULL); attrptr = ippNextAttribute(collection)) { if (strcmp("media-top-margin", ippGetName(attrptr)) == 0) { capabilities->printerTopMargin = ippGetInteger(attrptr, 0); } else if (strcmp("media-bottom-margin", ippGetName(attrptr)) == 0) { capabilities->printerBottomMargin = ippGetInteger(attrptr, 0); } else if (strcmp("media-left-margin", ippGetName(attrptr)) == 0) { capabilities->printerLeftMargin = ippGetInteger(attrptr, 0); } else if (strcmp("media-right-margin", ippGetName(attrptr)) == 0) { capabilities->printerRightMargin = ippGetInteger(attrptr, 0); } } } } if ((attrptr = ippFindAttribute(response, "media-size-name", IPP_TAG_KEYWORD)) != NULL) { capabilities->isMediaSizeNameSupported = true; } else { capabilities->isMediaSizeNameSupported = false; } // is strip length supported? if so, stored in capabilities if ((attrptr = ippFindAttribute(response, "pclm-strip-height-preferred", IPP_TAG_INTEGER)) != NULL) { LOGD("pclm-strip-height-preferred=%d", ippGetInteger(attrptr, 0)); // if the strip height is 0, the device wants us to send the entire page in one band // (according to ePCL spec). Since our code doesn't currently support generating an entire // page in one band, set the strip height to the default value every device *should* support // also, for some reason our code crashes when it attempts to generate strips at 512 or // above. Therefore, limiting the upper bound strip height to 256 if (ippGetInteger(attrptr, 0) == 0 || ippGetInteger(attrptr, 0) > 256) { capabilities->stripHeight = STRIPE_HEIGHT; } else { capabilities->stripHeight = ippGetInteger(attrptr, 0); } } else { capabilities->stripHeight = STRIPE_HEIGHT; } // what is the preferred compression method - jpeg, flate, rle if ((attrptr = ippFindAttribute(response, "pclm-compression-method-preferred", IPP_TAG_KEYWORD)) != NULL) { LOGD("pclm-compression-method-preferred=%s", ippGetString(attrptr, 0, NULL)); } // is device able to rotate back page for duplex jobs? (assume PCLM and PWG are similar) capabilities->canRotateDuplexBackPage = 0; if ((attrptr = ippFindAttribute(response, "pclm-raster-back-side", IPP_TAG_KEYWORD)) == NULL) { attrptr = ippFindAttribute(response, "pwg-raster-document-sheet-back", IPP_TAG_KEYWORD); } if (attrptr != NULL && strcmp(ippGetString(attrptr, 0, NULL), "rotated") != 0) { LOGD("Device can rotate back page for duplex jobs."); capabilities->canRotateDuplexBackPage = 1; } // look for full-bleed supported by looking for 0 on all margins bool topsupported = false, bottomsupported = false, rightsupported = false, leftsupported = false; if ((attrptr = ippFindAttribute(response, "media-top-margin-supported", IPP_TAG_INTEGER)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { if (ippGetInteger(attrptr, i) == 0) { LOGD("Top Margin Supported"); topsupported = true; break; } } } if ((attrptr = ippFindAttribute(response, "media-bottom-margin-supported", IPP_TAG_INTEGER)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { if (ippGetInteger(attrptr, i) == 0) { LOGD("Bottom Margin Supported"); bottomsupported = true; break; } } } if ((attrptr = ippFindAttribute(response, "media-right-margin-supported", IPP_TAG_INTEGER)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { if (ippGetInteger(attrptr, i) == 0) { LOGD("Right Margin Supported"); rightsupported = true; break; } } } if ((attrptr = ippFindAttribute(response, "media-left-margin-supported", IPP_TAG_INTEGER)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { if (ippGetInteger(attrptr, i) == 0) { LOGD("Left Margin Supported"); leftsupported = true; break; } } } if (topsupported && bottomsupported && rightsupported && leftsupported) { LOGD("full-bleed is supported"); capabilities->borderless = 1; } else { LOGD("full-bleed is NOT supported"); } if ((attrptr = ippFindAttribute(response, "printer-device-id", IPP_TAG_TEXT)) != NULL) { if (strstr(ippGetString(attrptr, 0, NULL), "PCL3GUI") != NULL) { capabilities->inkjet = 1; } } else if (capabilities->borderless == 1) { capabilities->inkjet = 1; } // determine if device prints pages face-down capabilities->faceDownTray = 1; if ((attrptr = ippFindAttribute(response, "output-bin-supported", IPP_TAG_KEYWORD)) != NULL) { if (strstr(ippGetString(attrptr, 0, NULL), "face-up") != NULL) { capabilities->faceDownTray = 0; } } if ((attrptr = ippFindAttribute(response, "printer-output-tray", IPP_TAG_STRING)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { int length = 0; const char *tray_str = ippGetOctetString(attrptr, i, &length); if (length > 0 && strnstr(tray_str, "faceUp", (size_t)length) != NULL) { capabilities->faceDownTray = 0; } } } // Determine supported document format details if ((attrptr = ippFindAttribute(response, "document-format-details-supported", IPP_TAG_KEYWORD)) != NULL) { for (i = 0; i < ippGetCount(attrptr); i++) { if (strcmp("document-source-application-name", ippGetString(attrptr, i, NULL)) == 0) { capabilities->docSourceAppName = 1; } else if ( strcmp("document-source-application-version", ippGetString(attrptr, i, NULL)) == 0) { capabilities->docSourceAppVersion = 1; } else if (strcmp("document-source-os-name", ippGetString(attrptr, i, NULL)) == 0) { capabilities->docSourceOsName = 1; } else if (strcmp("document-source-os-version", ippGetString(attrptr, i, NULL)) == 0) { capabilities->docSourceOsVersion = 1; } } } // Determine types of print-scaling supported capabilities->print_scalings_supported_count = 0; if ((attrptr = ippFindAttribute(response, "print-scaling-supported", IPP_TAG_KEYWORD)) != NULL) { for (i = 0; i < ippGetCount(attrptr) && i < MAX_PRINT_SCALING_COUNT; i++) { capabilities->print_scalings_supported_count++; strlcpy(capabilities->print_scalings_supported[i], ippGetString(attrptr, i, NULL), sizeof(capabilities->print_scalings_supported[i])); } } else { LOGD("print-scaling-supported not found"); } memset(capabilities->print_scaling_default, '\0', sizeof(capabilities->print_scaling_default)); if ((attrptr = ippFindAttribute(response, "print-scaling-default", IPP_TAG_KEYWORD)) != NULL) { strlcpy(capabilities->print_scaling_default, ippGetString(attrptr, 0, NULL), sizeof(capabilities->print_scaling_default)); } else { LOGD("print-scaling-default not found"); } if ((attrptr = ippFindAttribute(response, "job-pages-per-set-supported", IPP_TAG_BOOLEAN)) != NULL && ippGetBoolean(attrptr, 0)) { capabilities->jobPagesPerSetSupported = 1; } debuglist_printerCapabilities(capabilities); } // Used in parse_printerUris #define MAX_URIS 10 typedef struct { const char *uri; int valid; } parsed_uri_t; static void parse_printerUris(ipp_t *response, printer_capabilities_t *capabilities) { ipp_attribute_t *attrptr; int i; parsed_uri_t uris[MAX_URIS] = {0}; if ((attrptr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL) { for (i = 0; i < MIN(ippGetCount(attrptr), MAX_URIS); i++) { uris[i].uri = ippGetString(attrptr, i, NULL); uris[i].valid = true; } } // If authentication is required by any URI, mark it invalid if ((attrptr = ippFindAttribute(response, "uri-authentication-supported", IPP_TAG_KEYWORD)) != NULL) { for (i = 0; i < MIN(ippGetCount(attrptr), MAX_URIS); i++) { // Allow "none" and "requesting-user-name" only if (strcmp("none", ippGetString(attrptr, i, NULL)) != 0 && strcmp("requesting-user-name", ippGetString(attrptr, i, NULL)) != 0) { LOGD("parse_printerUris %s invalid because auth=%s", uris[i].uri, ippGetString(attrptr, i, NULL)); uris[i].valid = false; } } } // Find a valid URI and copy it into place. for (i = 0; i < MAX_URIS; i++) { // Copy if the URI is valid and we haven't yet discovered ipps if (uris[i].valid && strncmp(capabilities->printerUri, "ipps://", 7) != 0) { LOGD("parse_printerUris found %s", uris[i].uri); strlcpy(capabilities->printerUri, uris[i].uri, sizeof(capabilities->printerUri)); } } } void debuglist_printerCapabilities(printer_capabilities_t *capabilities) { LOGD("printer make: %s", capabilities->make); LOGD("printer default media: %s", capabilities->mediaDefault); LOGD("canPrintPDF: %d", capabilities->canPrintPDF); LOGD("duplex: %d", capabilities->duplex); LOGD("canRotateDuplexBackPage: %d", capabilities->canRotateDuplexBackPage); LOGD("color: %d", capabilities->color); LOGD("canCopy: %d", capabilities->canCopy); LOGD("ippVersionMajor: %d", capabilities->ippVersionMajor); LOGD("ippVersionMinor: %d", capabilities->ippVersionMinor); LOGD("strip height: %d", capabilities->stripHeight); LOGD("faceDownTray: %d", capabilities->faceDownTray); for (int i = 0; i < capabilities->print_scalings_supported_count; i++) { LOGD("print-scaling-supported (%d): %s", i, capabilities->print_scalings_supported[i]); } LOGD("print_scaling_default: %s",capabilities->print_scaling_default); LOGD("jobPagesPerSetSupported: %d", capabilities->jobPagesPerSetSupported); } void debuglist_printerStatus(printer_state_dyn_t *printer_state_dyn) { const char *decoded = "unknown"; if (printer_state_dyn->printer_status == PRINT_STATUS_INITIALIZING) { decoded = "Initializing"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_SHUTTING_DOWN) { decoded = "Shutting Down"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_UNABLE_TO_CONNECT) { decoded = "Unable To Connect"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_UNKNOWN) { decoded = "Unknown"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_OFFLINE) { decoded = "Offline"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_IDLE) { decoded = "Idle"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_PRINTING) { decoded = "Printing"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_OUT_OF_PAPER) { decoded = "Out Of Paper"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_OUT_OF_INK) { decoded = "Out Of Ink"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_JAMMED) { decoded = "Jammed"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_DOOR_OPEN) { decoded = "Door Open"; } else if (printer_state_dyn->printer_status == PRINT_STATUS_SVC_REQUEST) { decoded = "Service Request"; } LOGD("printer status: %d (%s)", printer_state_dyn->printer_status, decoded); int idx = 0; for (idx = 0; idx < (PRINT_STATUS_MAX_STATE + 1); idx++) { if (PRINT_STATUS_MAX_STATE != printer_state_dyn->printer_reasons[idx]) { LOGD("printer_reasons (%d): %d", idx, printer_state_dyn->printer_reasons[idx]); } } } /* * Handle server certificate information. */ static int ipp_server_cert_cb(http_t *http, void *tls, cups_array_t *certs, void *user_data) { wprint_connect_info_t *connect_info = (wprint_connect_info_t *)user_data; int error = 0; if (connect_info->validate_certificate) { http_credential_t *credential = cupsArrayFirst(certs); if (credential) { LOGD("ipp_server_cert_cb: validate_certificate (len=%zu)", credential->datalen); error = connect_info->validate_certificate(connect_info, credential->data, credential->datalen); } } return error; } http_t *ipp_cups_connect(const wprint_connect_info_t *connect_info, char *printer_uri, unsigned int uriLength) { const char *uri_path; http_t *curl_http = NULL; cupsSetServerCertCB(ipp_server_cert_cb, (void *)connect_info); if ((connect_info->uri_path == NULL) || (strlen(connect_info->uri_path) == 0)) { uri_path = DEFAULT_IPP_URI_RESOURCE; } else { uri_path = connect_info->uri_path; } int ippPortNumber = ((connect_info->port_num == IPP_PORT) ? ippPort() : connect_info->port_num); if (strstr(connect_info->uri_scheme,IPPS_PREFIX) != NULL) { curl_http = httpConnect2(connect_info->printer_addr, ippPortNumber, NULL, AF_UNSPEC, HTTP_ENCRYPTION_ALWAYS, 1, HTTP_TIMEOUT_MILLIS, NULL); // If ALWAYS doesn't work, fall back to REQUIRED if (curl_http == NULL) { curl_http = httpConnect2(connect_info->printer_addr, ippPortNumber, NULL, AF_UNSPEC, HTTP_ENCRYPTION_REQUIRED, 1, HTTP_TIMEOUT_MILLIS, NULL); } } else { curl_http = httpConnect2(connect_info->printer_addr, ippPortNumber, NULL, AF_UNSPEC, HTTP_ENCRYPTION_IF_REQUESTED, 1, HTTP_TIMEOUT_MILLIS, NULL); } httpSetTimeout(curl_http, (double)connect_info->timeout / 1000, NULL, 0); httpAssembleURIf(HTTP_URI_CODING_ALL, printer_uri, uriLength, connect_info->uri_scheme, NULL, connect_info->printer_addr, ippPortNumber, "%s", uri_path); if (curl_http == NULL) { LOGD("ipp_cups_connect failed addr=%s port=%d", connect_info->printer_addr, ippPortNumber); } cupsSetServerCertCB(NULL, NULL); return curl_http; } /* * Send a request using cupsSendRequest(). Loop if we get NULL or CONTINUE. Does not delete * the request. */ static ipp_t *ippSendRequest(http_t *http, ipp_t *request, char *resource) { ipp_t *response = NULL; http_status_t result; bool retry; do { retry = false; result = cupsSendRequest(http, request, resource, ippLength(request)); if (result != HTTP_ERROR) { response = cupsGetResponse(http, resource); result = httpGetStatus(http); } if (result == HTTP_CONTINUE && response == NULL) { // We need to retry when this happens. LOGD("ippSendRequest: (Continue with NULL response) Retry"); retry = true; } else if (result == HTTP_ERROR || result >= HTTP_BAD_REQUEST) { break; } if (http->state != HTTP_WAITING) { httpFlush(http); } } while (retry); return response; } /* * Call ippDoCupsIORequest, repeating if a failure occurs based on failure conditions, and * returning the response (or NULL if it failed). * * Does not free the request, and the caller must call ippDelete to free any valid response. */ ipp_t *ipp_doCupsRequest(http_t *http, ipp_t *request, char *http_resource, char *printer_uri) { ipp_status_t ipp_status; ipp_t *response = NULL; int service_unavailable_retry_count = 0; int bad_request_retry_count = 0; int internal_error_retry_count = 0; ipp_version_state ipp_version_supported = IPP_VERSION_RESOLVED; // Fail if any of these parameters are NULL if (http == NULL || request == NULL || http_resource == NULL || printer_uri == NULL) { return NULL; } do { // Give up immediately if wprint is done. if (!wprintIsRunning()) return NULL; // This is a no-op until we hit the error IPP_VERSION_NOT_SUPPORTED and retry. if (set_ipp_version(request, printer_uri, http, ipp_version_supported) != 0) { // We tried to find the correct IPP version by doing a series of get attribute // requests but they all failed... we give up. LOGE("ipp_doCupsRequest: set_ipp_version!=0, version not set"); break; } response = ippSendRequest(http, request, http_resource); if (response == NULL) { ipp_status = cupsLastError(); if (ipp_status == IPP_INTERNAL_ERROR || ipp_status == (ipp_status_t)HTTP_ERROR) { internal_error_retry_count++; if (internal_error_retry_count > IPP_INTERNAL_ERROR_MAX_RETRIES) { break; } LOGE("ipp_doCupsRequest: %s %d received, retry %d of %d", printer_uri, ipp_status, internal_error_retry_count, IPP_INTERNAL_ERROR_MAX_RETRIES); continue; } else if (ipp_status == IPP_SERVICE_UNAVAILABLE) { service_unavailable_retry_count++; if (service_unavailable_retry_count > IPP_SERVICE_ERROR_MAX_RETRIES) { break; } LOGE("ipp_doCupsRequest: %s IPP_SERVICE_UNAVAILABLE received, retrying %d of %d", printer_uri, service_unavailable_retry_count, IPP_SERVICE_ERROR_MAX_RETRIES); continue; } else if (ipp_status == IPP_BAD_REQUEST) { bad_request_retry_count++; if (bad_request_retry_count > IPP_BAD_REQUEST_MAX_RETRIES) { break; } LOGD("ipp_doCupsRequest: %s IPP_BAD_REQUEST received. retry (%d) of (%d)", printer_uri, bad_request_retry_count, IPP_BAD_REQUEST_MAX_RETRIES); continue; } else if (ipp_status == IPP_NOT_FOUND) { LOGE("ipp_doCupsRequest: %s IPP_NOT_FOUND received.", printer_uri); break; } } else { ipp_status = cupsLastError(); if (ipp_status == IPP_BAD_REQUEST) { bad_request_retry_count++; LOGE("ipp_doCupsRequest: %s IPP_BAD_REQUEST received. retry (%d) of (%d)", printer_uri, bad_request_retry_count, IPP_BAD_REQUEST_MAX_RETRIES); if (bad_request_retry_count > IPP_BAD_REQUEST_MAX_RETRIES) { break; } ippDelete(response); response = NULL; continue; } else if (ipp_status == IPP_VERSION_NOT_SUPPORTED) { ipp_version_supported = IPP_VERSION_UNSUPPORTED; ippDelete(response); response = NULL; continue; } } break; } while (1); return response; } int getJobId(http_t *http, char *http_resource, char *printer_uri, /* I - URI buffer */ job_state_dyn_t *job_state_dyn, const char *requesting_user) { int job_id = -1; // Requested print job attributes static const char *jattrs[] = {"job-id"}; ipp_t *request = NULL; /* IPP request object */ ipp_t *response = NULL; /* IPP response object */ request = ippNewRequest(IPP_GET_JOBS); if (request != NULL) { ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, printer_uri); ippAddBoolean(request, IPP_TAG_OPERATION, "my-jobs", 1); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, requesting_user); ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]), NULL, jattrs); if ((response = ipp_doCupsRequest(http, request, http_resource, printer_uri)) == NULL) { job_state_dyn->job_state = IPP_JOB_STATE_UNABLE_TO_CONNECT; job_state_dyn->job_state_reasons[0] = IPP_JOB_STATE_REASON_UNABLE_TO_CONNECT; } else { ipp_attribute_t *attr = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER); if (attr != NULL) job_id = ippGetInteger(attr, 0); } } if (request != NULL) ippDelete(request); if (response != NULL) ippDelete(response); LOGD("getJobId() returning job-id: %d", job_id); return job_id; } int tryNextResourceExtension(char *printer_uri) { char scheme[1024]; char username[1024]; char host[1024]; char resource[1024]; int port; httpSeparateURI(0, printer_uri, scheme, 1024, username, 1024, host, 1024, &port, resource, 1024); int index; for (index = 0; index < ARRAY_SIZE(resource_extensions_arr); index++) { if (strcmp(resource_extensions_arr[index], resource) == 0) { break; } } if (index >= (ARRAY_SIZE(resource_extensions_arr) - 1)) { return 0; } else { httpAssembleURIf(HTTP_URI_CODING_ALL, printer_uri, 1024, scheme, NULL, host, port, "%s", resource_extensions_arr[index + 1]); LOGD("next resource %s", printer_uri); return 1; } }