From f36396f90f925ff1f41e6e58c0a51245eab21784 Mon Sep 17 00:00:00 2001 From: Simo Sorce Date: Thu, 13 May 2010 14:23:23 -0400 Subject: Move standard printcap parsing to print_standard.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Günther Deschner --- source3/printing/print_standard.c | 129 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 source3/printing/print_standard.c (limited to 'source3/printing/print_standard.c') diff --git a/source3/printing/print_standard.c b/source3/printing/print_standard.c new file mode 100644 index 0000000000..91d1c336e3 --- /dev/null +++ b/source3/printing/print_standard.c @@ -0,0 +1,129 @@ +/* + Unix SMB/CIFS implementation. + printcap parsing + Copyright (C) Karl Auer 1993-1998 + + Re-working by Martin Kiff, 1994 + + Re-written again by Andrew Tridgell + + Modified for SVID support by Norm Jacobs, 1997 + + Modified for CUPS support by Michael Sweet, 1999 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/* + * This module contains code to parse and cache printcap data, possibly + * in concert with the CUPS/SYSV/AIX-specific code found elsewhere. + * + * The way this module looks at the printcap file is very simplistic. + * Only the local printcap file is inspected (no searching of NIS + * databases etc). + * + * There are assumed to be one or more printer names per record, held + * as a set of sub-fields separated by vertical bar symbols ('|') in the + * first field of the record. The field separator is assumed to be a colon + * ':' and the record separator a newline. + * + * Lines ending with a backspace '\' are assumed to flag that the following + * line is a continuation line so that a set of lines can be read as one + * printcap entry. + * + * A line stating with a hash '#' is assumed to be a comment and is ignored + * Comments are discarded before the record is strung together from the + * set of continuation lines. + * + * Opening a pipe for "lpc status" and reading that would probably + * be pretty effective. Code to do this already exists in the freely + * distributable PCNFS server code. + */ + +/* printcap parsing specific code moved here from printing/pcap.c */ + + +#include "includes.h" + +/* handle standard printcap - moved from pcap_printer_fn() */ +bool std_pcap_cache_reload(const char *pcap_name) +{ + XFILE *pcap_file; + char *pcap_line; + + if ((pcap_file = x_fopen(pcap_name, O_RDONLY, 0)) == NULL) { + DEBUG(0, ("Unable to open printcap file %s for read!\n", pcap_name)); + return false; + } + + for (; (pcap_line = fgets_slash(NULL, 1024, pcap_file)) != NULL; free(pcap_line)) { + char name[MAXPRINTERLEN+1]; + char comment[62]; + char *p, *q; + + if (*pcap_line == '#' || *pcap_line == 0) + continue; + + /* now we have a real printer line - cut at the first : */ + if ((p = strchr_m(pcap_line, ':')) != NULL) + *p = 0; + + /* + * now find the most likely printer name and comment + * this is pure guesswork, but it's better than nothing + */ + for (*name = *comment = 0, p = pcap_line; p != NULL; p = q) { + bool has_punctuation; + + if ((q = strchr_m(p, '|')) != NULL) + *q++ = 0; + + has_punctuation = (strchr_m(p, ' ') || + strchr_m(p, '\t') || + strchr_m(p, '(') || + strchr_m(p, ')')); + + if (strlen(p) > strlen(comment) && has_punctuation) { + strlcpy(comment, p, sizeof(comment)); + continue; + } + + if (strlen(p) <= MAXPRINTERLEN && + strlen(p) > strlen(name) && !has_punctuation) { + if (!*comment) { + strlcpy(comment, name, sizeof(comment)); + } + strlcpy(name, p, sizeof(name)); + continue; + } + + if (!strchr_m(comment, ' ') && + strlen(p) > strlen(comment)) { + strlcpy(comment, p, sizeof(comment)); + continue; + } + } + + comment[60] = 0; + name[MAXPRINTERLEN] = 0; + + if (*name && !pcap_cache_add(name, comment)) { + x_fclose(pcap_file); + return false; + } + } + + x_fclose(pcap_file); + return true; +} -- cgit