diff options
Diffstat (limited to 'windows/winprint.c')
| -rw-r--r-- | windows/winprint.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/windows/winprint.c b/windows/winprint.c deleted file mode 100644 index e6b3531d..00000000 --- a/windows/winprint.c +++ /dev/null @@ -1,224 +0,0 @@ -/* - * Printing interface for PuTTY. - */ - -#include "putty.h" -#include <winspool.h> - -struct printer_enum_tag { - int nprinters; - DWORD enum_level; - union { - LPPRINTER_INFO_4 i4; - LPPRINTER_INFO_5 i5; - } info; -}; - -struct printer_job_tag { - HANDLE hprinter; -}; - -DECL_WINDOWS_FUNCTION(static, BOOL, EnumPrinters, - (DWORD, LPTSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD)); -DECL_WINDOWS_FUNCTION(static, BOOL, OpenPrinter, - (LPTSTR, LPHANDLE, LPPRINTER_DEFAULTS)); -DECL_WINDOWS_FUNCTION(static, BOOL, ClosePrinter, (HANDLE)); -DECL_WINDOWS_FUNCTION(static, DWORD, StartDocPrinter, (HANDLE, DWORD, LPBYTE)); -DECL_WINDOWS_FUNCTION(static, BOOL, EndDocPrinter, (HANDLE)); -DECL_WINDOWS_FUNCTION(static, BOOL, StartPagePrinter, (HANDLE)); -DECL_WINDOWS_FUNCTION(static, BOOL, EndPagePrinter, (HANDLE)); -DECL_WINDOWS_FUNCTION(static, BOOL, WritePrinter, - (HANDLE, LPVOID, DWORD, LPDWORD)); - -static void init_winfuncs(void) -{ - static bool initialised = false; - if (initialised) - return; - { - HMODULE winspool_module = load_system32_dll("winspool.drv"); - /* Some MSDN documentation claims that some of the below functions - * should be loaded from spoolss.dll, but this doesn't seem to - * be reliable in practice. - * Nevertheless, we load spoolss.dll ourselves using our safe - * loading method, against the possibility that winspool.drv - * later loads it unsafely. */ - (void) load_system32_dll("spoolss.dll"); - GET_WINDOWS_FUNCTION_PP(winspool_module, EnumPrinters); - GET_WINDOWS_FUNCTION_PP(winspool_module, OpenPrinter); - GET_WINDOWS_FUNCTION_PP(winspool_module, ClosePrinter); - GET_WINDOWS_FUNCTION_PP(winspool_module, StartDocPrinter); - GET_WINDOWS_FUNCTION_PP(winspool_module, EndDocPrinter); - GET_WINDOWS_FUNCTION_PP(winspool_module, StartPagePrinter); - GET_WINDOWS_FUNCTION_PP(winspool_module, EndPagePrinter); - GET_WINDOWS_FUNCTION_PP(winspool_module, WritePrinter); - } - initialised = true; -} - -static bool printer_add_enum(int param, DWORD level, char **buffer, - int offset, int *nprinters_ptr) -{ - DWORD needed = 0, nprinters = 0; - - init_winfuncs(); - - *buffer = sresize(*buffer, offset+512, char); - - /* - * Exploratory call to EnumPrinters to determine how much space - * we'll need for the output. Discard the return value since it - * will almost certainly be a failure due to lack of space. - */ - p_EnumPrinters(param, NULL, level, (LPBYTE)((*buffer)+offset), 512, - &needed, &nprinters); - - if (needed < 512) - needed = 512; - - *buffer = sresize(*buffer, offset+needed, char); - - if (p_EnumPrinters(param, NULL, level, (LPBYTE)((*buffer)+offset), - needed, &needed, &nprinters) == 0) - return false; - - *nprinters_ptr += nprinters; - - return true; -} - -printer_enum *printer_start_enum(int *nprinters_ptr) -{ - printer_enum *ret = snew(printer_enum); - char *buffer = NULL; - - *nprinters_ptr = 0; /* default return value */ - buffer = snewn(512, char); - - /* - * Determine what enumeration level to use. - * When enumerating printers, we need to use PRINTER_INFO_4 on - * NT-class systems to avoid Windows looking too hard for them and - * slowing things down; and we need to avoid PRINTER_INFO_5 as - * we've seen network printers not show up. - * On 9x-class systems, PRINTER_INFO_4 isn't available and - * PRINTER_INFO_5 is recommended. - * Bletch. - */ - if (osPlatformId != VER_PLATFORM_WIN32_NT) { - ret->enum_level = 5; - } else { - ret->enum_level = 4; - } - - if (!printer_add_enum(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, - ret->enum_level, &buffer, 0, nprinters_ptr)) - goto error; - - switch (ret->enum_level) { - case 4: - ret->info.i4 = (LPPRINTER_INFO_4)buffer; - break; - case 5: - ret->info.i5 = (LPPRINTER_INFO_5)buffer; - break; - } - ret->nprinters = *nprinters_ptr; - - return ret; - - error: - sfree(buffer); - sfree(ret); - *nprinters_ptr = 0; - return NULL; -} - -char *printer_get_name(printer_enum *pe, int i) -{ - if (!pe) - return NULL; - if (i < 0 || i >= pe->nprinters) - return NULL; - switch (pe->enum_level) { - case 4: - return pe->info.i4[i].pPrinterName; - case 5: - return pe->info.i5[i].pPrinterName; - default: - return NULL; - } -} - -void printer_finish_enum(printer_enum *pe) -{ - if (!pe) - return; - switch (pe->enum_level) { - case 4: - sfree(pe->info.i4); - break; - case 5: - sfree(pe->info.i5); - break; - } - sfree(pe); -} - -printer_job *printer_start_job(char *printer) -{ - printer_job *ret = snew(printer_job); - DOC_INFO_1 docinfo; - bool jobstarted = false, pagestarted = false; - - init_winfuncs(); - - ret->hprinter = NULL; - if (!p_OpenPrinter(printer, &ret->hprinter, NULL)) - goto error; - - docinfo.pDocName = "PuTTY remote printer output"; - docinfo.pOutputFile = NULL; - docinfo.pDatatype = "RAW"; - - if (!p_StartDocPrinter(ret->hprinter, 1, (LPBYTE)&docinfo)) - goto error; - jobstarted = true; - - if (!p_StartPagePrinter(ret->hprinter)) - goto error; - pagestarted = true; - - return ret; - - error: - if (pagestarted) - p_EndPagePrinter(ret->hprinter); - if (jobstarted) - p_EndDocPrinter(ret->hprinter); - if (ret->hprinter) - p_ClosePrinter(ret->hprinter); - sfree(ret); - return NULL; -} - -void printer_job_data(printer_job *pj, const void *data, size_t len) -{ - DWORD written; - - if (!pj) - return; - - p_WritePrinter(pj->hprinter, (void *)data, len, &written); -} - -void printer_finish_job(printer_job *pj) -{ - if (!pj) - return; - - p_EndPagePrinter(pj->hprinter); - p_EndDocPrinter(pj->hprinter); - p_ClosePrinter(pj->hprinter); - sfree(pj); -} |