diff options
Diffstat (limited to 'kdeprint/cups/cupsdoprint.c')
| -rw-r--r-- | kdeprint/cups/cupsdoprint.c | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/kdeprint/cups/cupsdoprint.c b/kdeprint/cups/cupsdoprint.c new file mode 100644 index 000000000..743042b2a --- /dev/null +++ b/kdeprint/cups/cupsdoprint.c @@ -0,0 +1,257 @@ +/* + * This file is part of the KDE libraries + * Copyright (c) 2001 Michael Goffioul <[email protected]> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License version 2 as published by the Free Software Foundation. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + **/ + +#include <config.h> + +#include <unistd.h> +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <ctype.h> + +#include <cups/cups.h> +#include <cups/ipp.h> + +#define BUFSIZE 1024 +#define BUFSIZE2 32 + +#define USE_LOG 0 + +/* global variables */ +char passwd[BUFSIZE2] = {0}; +int pwd_asked = 0; +#if USE_LOG +FILE *debugF = NULL; +#endif + +/* utility functions */ +static void error(const char* msg) +{ + fprintf(stderr, "%s\n", msg); +#if USE_LOG + if (debugF != NULL) fclose(debugF); +#endif + exit(-1); +} + +static void usage() +{ + error("usage: cupsdoprint [-H host[:port]][-P dest][-J name][-o opt=value[,...]][-U login[:password]] files..."); +} + +static char * shell_quote(const char *s) +{ + char *result; + char *p; + p = result = malloc(strlen(s)*4+3); + *p++ = '\''; + while(*s) + { + if (*s == '\'') + { + *p++ = '\''; + *p++ = '\\'; + *p++ = '\''; + *p++ = '\''; + s++; + } + else + { + *p++ = *s++; + } + } + *p++ = '\''; + *p = '\0'; + return result; +} + +static const char* getPasswordCB(const char* prompt) +{ + char buf[ 256 ] = {0}, *c; + char *_user = shell_quote( cupsUser() ), *_passwd = NULL; + FILE *output; + + snprintf( buf, sizeof( buf )-1, "dcop kded kdeprintd requestPassword %s %s %d %d", + _user, + cupsServer(), + ippPort(), + pwd_asked ); + free( _user ); + _user = NULL; + output = popen( buf, "r" ); + if ( output != NULL ) + { + while ( fgets( buf, sizeof( buf )-1, output ) ) + { + _user = _passwd = NULL; + if ( strcmp( buf, "::" ) != 0 ) + { + c = strchr( buf, ':' ); + if ( c != NULL ) + { + *c = '\0'; + _user = buf; + _passwd = ++c; + c = strchr( c, ':' ); + if ( c != NULL ) + { + *c = '\0'; + /* retrieve password sequence number */ + pwd_asked = atoi( ++c ); + /* update CUPS with current username */ + cupsSetUser( _user ); + /* copy password to a non temporary location */ + strlcpy( passwd, _passwd, BUFSIZE2 ); + _passwd = passwd; + } + else + _passwd = NULL; + } + } + } + pclose( output ); + } + else + return NULL; + + /* erase buffer containing unencrypted password, for security */ + memset( buf, 0, 256 ); + + /* if OK, _passwd should point to global passwd variable, otherwise it should be NULL */ + return _passwd; +} + +/* main function */ +int main(int argc, char* argv[]) +{ + int c, port = -1; + char printer[BUFSIZE] = {0}, jobname[BUFSIZE] = {0}, host[BUFSIZE] = {0}; + char login[BUFSIZE2] = {0}; + char *a; + cups_option_t *options = NULL; + int num_options = 0; + char* files[100] = {0}; + int num_files = 0; + int jobID = 0; + +#if USE_LOG + debugF = fopen("/tmp/cupsdoprint.debug","w"); + if (debugF == NULL) + error("unable to open log file"); +#endif + + while ((c=getopt(argc, argv, "P:J:H:o:U:?")) != -1) + { +#if USE_LOG + fprintf(debugF,"%c: %s\n",c,optarg); +#endif + switch (c) + { + case 'P': + strlcpy(printer, optarg, BUFSIZE); + if ((a=strchr(printer, '/')) != NULL) + error("This utility doesn't support printer instances"); + break; + case 'J': + strlcpy(jobname, optarg, BUFSIZE); + break; + case 'H': + strlcpy(host, optarg, BUFSIZE); + if ((a=strchr(host, ':')) != NULL) + { + *a = 0; + port = atoi(++a); + if (port == 0) + error("Wrong port value"); + } + break; + case 'U': + strlcpy(login, optarg, BUFSIZE2); + if ((a=strchr(login, ':')) != NULL) + { + *a = 0; + strlcpy(passwd, ++a, BUFSIZE2); + } + break; + case 'o': +#if USE_LOG + fprintf(debugF,"Parsing options (n=%d)\n",num_options); +#endif + num_options = cupsParseOptions(optarg, num_options, &options); +#if USE_LOG + fprintf(debugF,"Options parsed (n=%d)\n",num_options); +#endif + break; + case '?': + default: + usage(); + break; + } + } + + /* check the printer */ + if (!*printer) + { + printer[BUFSIZE-1] = '\0'; + if (getenv("PRINTER") != NULL) + strlcpy(printer, getenv("PRINTER"), BUFSIZE-1); + else + error("No printer specified (and PRINTER variable is empty)"); + } + + /* CUPS settings */ + if (host[0] != 0) cupsSetServer(host); + if (port > 0) ippSetPort(port); + if (login[0] != 0) cupsSetUser(login); + if (jobname[0] == 0) strcpy(jobname,"KDE Print System"); + cupsSetPasswordCB(getPasswordCB); + + /* check for files */ + if (optind < 1 || optind >= argc) + error("This utility doesn't support printing from STDIN"); + else + for (c=optind; c<argc; c++) + { + if (access(argv[c], R_OK) != 0) + { + fprintf(stderr, "%s: ", argv[c]); + error("file not found or not readable"); + } + else + files[num_files++] = strdup(argv[c]); + } + +#if USE_LOG + fprintf(debugF,"Processed options:\n"); + for (c=0; c<num_options; c++) + fprintf(debugF,"%s = %s\n",options[c].name,options[c].value); +#endif + /* print files */ + jobID = cupsPrintFiles(printer, num_files, files, jobname, num_options, options); + /* erase unemcrypted password for security */ + memset( passwd, 0, BUFSIZE2 ); + /* check job creation status */ + if (jobID <= 0) + error(ippErrorString(cupsLastError())); + +#if USE_LOG + fclose(debugF); +#endif + return 0; +} |