From 302276dc1b90cfc972fb726ca94a23b18f4b0088 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Tue, 1 Feb 2022 15:24:35 +0100 Subject: New upstream version 1.1.1 --- backend/escl/escl_capabilities.c | 111 +++++++++++++++++++++++++++++++++++++-- 1 file changed, 106 insertions(+), 5 deletions(-) (limited to 'backend/escl/escl_capabilities.c') diff --git a/backend/escl/escl_capabilities.c b/backend/escl/escl_capabilities.c index db194f9..7422896 100644 --- a/backend/escl/escl_capabilities.c +++ b/backend/escl/escl_capabilities.c @@ -40,6 +40,25 @@ struct cap size_t size; }; +static size_t +header_callback(void *str, size_t size, size_t nmemb, void *userp) +{ + struct cap *header = (struct cap *)userp; + size_t realsize = size * nmemb; + char *content = realloc(header->memory, header->size + realsize + 1); + + if (content == NULL) { + DBG( 1, "Not enough memory (realloc returned NULL)\n"); + return (0); + } + header->memory = content; + memcpy(&(header->memory[header->size]), str, realsize); + header->size = header->size + realsize; + header->memory[header->size] = 0; + return (realsize); +} + + /** * \fn static SANE_String_Const convert_elements(SANE_String_Const str) * \brief Function that converts the 'color modes' of the scanner (color/gray) to be understood by SANE. @@ -182,10 +201,10 @@ find_valor_of_array_variables(xmlNode *node, capabilities_t *scanner, int type) { const char *name = (const char *)node->name; if (strcmp(name, "ColorMode") == 0) { - const char *color = (SANE_String_Const)xmlNodeGetContent(node); - if (type == PLATEN || strcmp(color, "BlackAndWhite1")) + const char *color = (SANE_String_Const)xmlNodeGetContent(node); + if (type == PLATEN || strcmp(color, "BlackAndWhite1")) scanner->caps[type].ColorModes = char_to_array(scanner->caps[type].ColorModes, &scanner->caps[type].ColorModesSize, (SANE_String_Const)xmlNodeGetContent(node), 1); - } + } else if (strcmp(name, "ContentType") == 0) scanner->caps[type].ContentTypes = char_to_array(scanner->caps[type].ContentTypes, &scanner->caps[type].ContentTypesSize, (SANE_String_Const)xmlNodeGetContent(node), 0); else if (strcmp(name, "DocumentFormat") == 0) @@ -385,6 +404,16 @@ find_true_variables(xmlNode *node, capabilities_t *scanner, int type) return (0); } +static char* +replace_char(char* str, char find, char replace){ + char *current_pos = strchr(str,find); + while (current_pos) { + *current_pos = replace; + current_pos = strchr(current_pos,find); + } + return str; +} + /** * \fn static int print_xml_c(xmlNode *node, capabilities_t *scanner) * \brief Function that browses the xml file, node by node. @@ -454,6 +483,37 @@ _reduce_color_modes(capabilities_t *scanner) } } +static void +_delete_pdf(capabilities_t *scanner) +{ + int type = 0; + for (type = 0; type < 3; type++) { + if (scanner->caps[type].ColorModesSize) { + if (scanner->caps[type].default_format) { + scanner->caps[type].have_pdf = -1; + if (!strcmp(scanner->caps[type].default_format, "application/pdf")) { + free(scanner->caps[type].default_format); + if (scanner->caps[type].have_tiff > -1) + scanner->caps[type].default_format = strdup("image/tiff"); + else if (scanner->caps[type].have_png > -1) + scanner->caps[type].default_format = strdup("image/png"); + else if (scanner->caps[type].have_jpeg > -1) + scanner->caps[type].default_format = strdup("image/jpeg"); + } + free(scanner->caps[type].ColorModes); + scanner->caps[type].ColorModes = NULL; + scanner->caps[type].ColorModesSize = 0; + scanner->caps[type].ColorModes = char_to_array(scanner->caps[type].ColorModes, + &scanner->caps[type].ColorModesSize, + (SANE_String_Const)SANE_VALUE_SCAN_MODE_GRAY, 0); + scanner->caps[type].ColorModes = char_to_array(scanner->caps[type].ColorModes, + &scanner->caps[type].ColorModesSize, + (SANE_String_Const)SANE_VALUE_SCAN_MODE_COLOR, 0); + } + } + } +} + /** * \fn capabilities_t *escl_capabilities(const ESCL_Device *device, SANE_Status *status) * \brief Function that finally recovers all the capabilities of the scanner, using curl. @@ -463,15 +523,17 @@ _reduce_color_modes(capabilities_t *scanner) * \return scanner (the structure that stocks all the capabilities elements) */ capabilities_t * -escl_capabilities(ESCL_Device *device, SANE_Status *status) +escl_capabilities(ESCL_Device *device, char *blacklist, SANE_Status *status) { capabilities_t *scanner = (capabilities_t*)calloc(1, sizeof(capabilities_t)); CURL *curl_handle = NULL; struct cap *var = NULL; + struct cap *header = NULL; xmlDoc *data = NULL; xmlNode *node = NULL; int i = 0; const char *scanner_capabilities = "/eSCL/ScannerCapabilities"; + SANE_Bool use_pdf = SANE_TRUE; *status = SANE_STATUS_GOOD; if (device == NULL) @@ -481,11 +543,22 @@ escl_capabilities(ESCL_Device *device, SANE_Status *status) *status = SANE_STATUS_NO_MEM; var->memory = malloc(1); var->size = 0; + header = (struct cap *)calloc(1, sizeof(struct cap)); + if (header == NULL) + *status = SANE_STATUS_NO_MEM; + header->memory = malloc(1); + header->size = 0; curl_handle = curl_easy_init(); escl_curl_url(curl_handle, device, scanner_capabilities); curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, memory_callback_c); curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)var); + curl_easy_setopt(curl_handle, CURLOPT_HEADERFUNCTION, header_callback); + curl_easy_setopt(curl_handle, CURLOPT_HEADERDATA, (void *)header); + curl_easy_setopt(curl_handle, CURLOPT_FOLLOWLOCATION, 1L); + curl_easy_setopt(curl_handle, CURLOPT_MAXREDIRS, 3L); CURLcode res = curl_easy_perform(curl_handle); + if (res == CURLE_OK) + DBG( 1, "Create NewJob : the scanner header responded : [%s]\n", header->memory); if (res != CURLE_OK) { DBG( 1, "The scanner didn't respond: %s\n", curl_easy_strerror(res)); *status = SANE_STATUS_INVAL; @@ -503,18 +576,46 @@ escl_capabilities(ESCL_Device *device, SANE_Status *status) goto clean; } + if (device->hack && + header && + header->memory && + strstr(header->memory, "Server: HP_Compact_Server")) + device->hack = curl_slist_append(NULL, "Host: localhost"); + scanner->source = 0; scanner->Sources = (SANE_String_Const *)malloc(sizeof(SANE_String_Const) * 4); for (i = 0; i < 4; i++) scanner->Sources[i] = NULL; print_xml_c(node, device, scanner, -1); - _reduce_color_modes(scanner); + DBG (3, "1-blacklist_pdf: %s\n", (use_pdf ? "TRUE" : "FALSE") ); + if (device->model_name != NULL) { + if (strcasestr(device->model_name, "MFC-J985DW")) { + DBG (3, "blacklist_pdf: device not support PDF\n"); + use_pdf = SANE_FALSE; + } + else if (blacklist) { + char *model = strdup(device->model_name); + replace_char(model, ' ', '_'); + if (strcasestr(blacklist, model)) { + use_pdf = SANE_FALSE; + } + free(model); + } + } + DBG (3, "1-blacklist_pdf: %s\n", (use_pdf ? "TRUE" : "FALSE") ); + if (use_pdf) + _reduce_color_modes(scanner); + else + _delete_pdf(scanner); clean: xmlFreeDoc(data); clean_data: xmlCleanupParser(); xmlMemoryDump(); curl_easy_cleanup(curl_handle); + if (header) + free(header->memory); + free(header); if (var) free(var->memory); free(var); -- cgit v1.2.3