| 1 | /* | 
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| 2 | Unix SMB/CIFS implementation. | 
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| 3 | client print routines | 
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| 4 | Copyright (C) Andrew Tridgell 1994-1998 | 
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| 5 |  | 
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| 6 | This program is free software; you can redistribute it and/or modify | 
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| 7 | it under the terms of the GNU General Public License as published by | 
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| 8 | the Free Software Foundation; either version 3 of the License, or | 
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| 9 | (at your option) any later version. | 
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| 10 |  | 
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| 11 | This program is distributed in the hope that it will be useful, | 
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 14 | GNU General Public License for more details. | 
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| 15 |  | 
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| 16 | You should have received a copy of the GNU General Public License | 
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| 17 | along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
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| 18 | */ | 
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| 19 |  | 
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| 20 | #include "includes.h" | 
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| 21 |  | 
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| 22 | /***************************************************************************** | 
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| 23 | Convert a character pointer in a cli_call_api() response to a form we can use. | 
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| 24 | This function contains code to prevent core dumps if the server returns | 
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| 25 | invalid data. | 
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| 26 | *****************************************************************************/ | 
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| 27 | static const char *fix_char_ptr(unsigned int datap, unsigned int converter, | 
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| 28 | char *rdata, int rdrcnt) | 
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| 29 | { | 
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| 30 | if (datap == 0) { | 
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| 31 | /* turn NULL pointers into zero length strings */ | 
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| 32 | return ""; | 
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| 33 | } else { | 
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| 34 | unsigned int offset = datap - converter; | 
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| 35 |  | 
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| 36 | if (offset >= rdrcnt) { | 
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| 37 | DEBUG(1,("bad char ptr: datap=%u, converter=%u rdrcnt=%d>", | 
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| 38 | datap, converter, rdrcnt)); | 
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| 39 | return "<ERROR>"; | 
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| 40 | } else { | 
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| 41 | return &rdata[offset]; | 
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| 42 | } | 
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| 43 | } | 
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| 44 | } | 
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| 45 |  | 
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| 46 | /**************************************************************************** | 
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| 47 | call fn() on each entry in a print queue | 
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| 48 | ****************************************************************************/ | 
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| 49 |  | 
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| 50 | int cli_print_queue(struct cli_state *cli, | 
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| 51 | void (*fn)(struct print_job_info *)) | 
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| 52 | { | 
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| 53 | char *rparam = NULL; | 
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| 54 | char *rdata = NULL; | 
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| 55 | char *p; | 
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| 56 | unsigned int rdrcnt, rprcnt; | 
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| 57 | char param[1024]; | 
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| 58 | int result_code=0; | 
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| 59 | int i = -1; | 
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| 60 |  | 
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| 61 | memset(param,'\0',sizeof(param)); | 
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| 62 |  | 
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| 63 | p = param; | 
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| 64 | SSVAL(p,0,76);         /* API function number 76 (DosPrintJobEnum) */ | 
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| 65 | p += 2; | 
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| 66 | safe_strcpy_base(p,"zWrLeh", param, sizeof(param));   /* parameter description? */ | 
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| 67 | p = skip_string(param,sizeof(param),p); | 
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| 68 | safe_strcpy_base(p,"WWzWWDDzz", param, sizeof(param));  /* returned data format */ | 
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| 69 | p = skip_string(param,sizeof(param),p); | 
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| 70 | safe_strcpy_base(p,cli->share, param, sizeof(param));    /* name of queue */ | 
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| 71 | p = skip_string(param,sizeof(param),p); | 
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| 72 | SSVAL(p,0,2);   /* API function level 2, PRJINFO_2 data structure */ | 
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| 73 | SSVAL(p,2,1000); /* size of bytes of returned data buffer */ | 
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| 74 | p += 4; | 
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| 75 | safe_strcpy_base(p,"", param,sizeof(param));   /* subformat */ | 
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| 76 | p = skip_string(param,sizeof(param),p); | 
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| 77 |  | 
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| 78 | DEBUG(4,("doing cli_print_queue for %s\n", cli->share)); | 
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| 79 |  | 
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| 80 | if (cli_api(cli, | 
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| 81 | param, PTR_DIFF(p,param), 1024,  /* Param, length, maxlen */ | 
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| 82 | NULL, 0, CLI_BUFFER_SIZE,            /* data, length, maxlen */ | 
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| 83 | &rparam, &rprcnt,                /* return params, length */ | 
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| 84 | &rdata, &rdrcnt)) {               /* return data, length */ | 
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| 85 | int converter; | 
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| 86 | result_code = SVAL(rparam,0); | 
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| 87 | converter = SVAL(rparam,2);       /* conversion factor */ | 
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| 88 |  | 
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| 89 | if (result_code == 0) { | 
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| 90 | struct print_job_info job; | 
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| 91 |  | 
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| 92 | p = rdata; | 
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| 93 |  | 
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| 94 | for (i = 0; i < SVAL(rparam,4); ++i) { | 
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| 95 | job.id = SVAL(p,0); | 
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| 96 | job.priority = SVAL(p,2); | 
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| 97 | fstrcpy(job.user, | 
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| 98 | fix_char_ptr(SVAL(p,4), converter, | 
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| 99 | rdata, rdrcnt)); | 
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| 100 | job.t = cli_make_unix_date3(cli, p + 12); | 
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| 101 | job.size = IVAL(p,16); | 
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| 102 | fstrcpy(job.name,fix_char_ptr(SVAL(p,24), | 
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| 103 | converter, | 
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| 104 | rdata, rdrcnt)); | 
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| 105 | fn(&job); | 
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| 106 | p += 28; | 
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| 107 | } | 
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| 108 | } | 
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| 109 | } | 
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| 110 |  | 
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| 111 | /* If any parameters or data were returned, free the storage. */ | 
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| 112 | SAFE_FREE(rparam); | 
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| 113 | SAFE_FREE(rdata); | 
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| 114 |  | 
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| 115 | return i; | 
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| 116 | } | 
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| 117 |  | 
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| 118 | /**************************************************************************** | 
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| 119 | cancel a print job | 
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| 120 | ****************************************************************************/ | 
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| 121 |  | 
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| 122 | int cli_printjob_del(struct cli_state *cli, int job) | 
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| 123 | { | 
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| 124 | char *rparam = NULL; | 
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| 125 | char *rdata = NULL; | 
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| 126 | char *p; | 
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| 127 | unsigned int rdrcnt,rprcnt; | 
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| 128 | int ret = -1; | 
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| 129 | char param[1024]; | 
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| 130 |  | 
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| 131 | memset(param,'\0',sizeof(param)); | 
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| 132 |  | 
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| 133 | p = param; | 
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| 134 | SSVAL(p,0,81);          /* DosPrintJobDel() */ | 
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| 135 | p += 2; | 
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| 136 | safe_strcpy_base(p,"W", param,sizeof(param)); | 
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| 137 | p = skip_string(param,sizeof(param),p); | 
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| 138 | safe_strcpy_base(p,"", param,sizeof(param)); | 
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| 139 | p = skip_string(param,sizeof(param),p); | 
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| 140 | SSVAL(p,0,job); | 
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| 141 | p += 2; | 
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| 142 |  | 
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| 143 | if (cli_api(cli, | 
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| 144 | param, PTR_DIFF(p,param), 1024,  /* Param, length, maxlen */ | 
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| 145 | NULL, 0, CLI_BUFFER_SIZE,            /* data, length, maxlen */ | 
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| 146 | &rparam, &rprcnt,                /* return params, length */ | 
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| 147 | &rdata, &rdrcnt)) {               /* return data, length */ | 
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| 148 | ret = SVAL(rparam,0); | 
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| 149 | } | 
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| 150 |  | 
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| 151 | SAFE_FREE(rparam); | 
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| 152 | SAFE_FREE(rdata); | 
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| 153 |  | 
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| 154 | return ret; | 
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| 155 | } | 
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| 156 |  | 
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| 157 |  | 
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| 158 | /**************************************************************************** | 
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| 159 | Open a spool file | 
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| 160 | ****************************************************************************/ | 
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| 161 |  | 
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| 162 | int cli_spl_open(struct cli_state *cli, const char *fname, int flags, int share_mode) | 
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| 163 | { | 
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| 164 | char *p; | 
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| 165 | unsigned openfn=0; | 
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| 166 | unsigned accessmode=0; | 
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| 167 |  | 
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| 168 | if (flags & O_CREAT) | 
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| 169 | openfn |= (1<<4); | 
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| 170 | if (!(flags & O_EXCL)) { | 
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| 171 | if (flags & O_TRUNC) | 
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| 172 | openfn |= (1<<1); | 
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| 173 | else | 
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| 174 | openfn |= (1<<0); | 
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| 175 | } | 
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| 176 |  | 
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| 177 | accessmode = (share_mode<<4); | 
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| 178 |  | 
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| 179 | if ((flags & O_ACCMODE) == O_RDWR) { | 
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| 180 | accessmode |= 2; | 
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| 181 | } else if ((flags & O_ACCMODE) == O_WRONLY) { | 
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| 182 | accessmode |= 1; | 
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| 183 | } | 
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| 184 |  | 
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| 185 | #if defined(O_SYNC) | 
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| 186 | if ((flags & O_SYNC) == O_SYNC) { | 
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| 187 | accessmode |= (1<<14); | 
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| 188 | } | 
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| 189 | #endif /* O_SYNC */ | 
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| 190 |  | 
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| 191 | if (share_mode == DENY_FCB) { | 
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| 192 | accessmode = 0xFF; | 
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| 193 | } | 
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| 194 |  | 
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| 195 | memset(cli->outbuf,'\0',smb_size); | 
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| 196 | memset(cli->inbuf,'\0',smb_size); | 
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| 197 |  | 
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| 198 | cli_set_message(cli->outbuf,15,0,True); | 
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| 199 |  | 
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| 200 | SCVAL(cli->outbuf,smb_com,SMBsplopen); | 
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| 201 | SSVAL(cli->outbuf,smb_tid,cli->cnum); | 
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| 202 | cli_setup_packet(cli); | 
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| 203 |  | 
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| 204 | SSVAL(cli->outbuf,smb_vwv0,0xFF); | 
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| 205 | SSVAL(cli->outbuf,smb_vwv2,0);  /* no additional info */ | 
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| 206 | SSVAL(cli->outbuf,smb_vwv3,accessmode); | 
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| 207 | SSVAL(cli->outbuf,smb_vwv4,aSYSTEM | aHIDDEN); | 
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| 208 | SSVAL(cli->outbuf,smb_vwv5,0); | 
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| 209 | SSVAL(cli->outbuf,smb_vwv8,openfn); | 
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| 210 |  | 
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| 211 | if (cli->use_oplocks) { | 
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| 212 | /* if using oplocks then ask for a batch oplock via | 
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| 213 | core and extended methods */ | 
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| 214 | SCVAL(cli->outbuf,smb_flg, CVAL(cli->outbuf,smb_flg)| | 
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| 215 | FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK); | 
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| 216 | SSVAL(cli->outbuf,smb_vwv2,SVAL(cli->outbuf,smb_vwv2) | 6); | 
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| 217 | } | 
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| 218 |  | 
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| 219 | p = smb_buf(cli->outbuf); | 
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| 220 | p += clistr_push(cli, p, fname, -1, STR_TERMINATE); | 
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| 221 |  | 
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| 222 | cli_setup_bcc(cli, p); | 
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| 223 |  | 
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| 224 | cli_send_smb(cli); | 
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| 225 | if (!cli_receive_smb(cli)) { | 
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| 226 | return -1; | 
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| 227 | } | 
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| 228 |  | 
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| 229 | if (cli_is_error(cli)) { | 
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| 230 | return -1; | 
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| 231 | } | 
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| 232 |  | 
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| 233 | return SVAL(cli->inbuf,smb_vwv2); | 
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| 234 | } | 
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| 235 |  | 
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| 236 | /**************************************************************************** | 
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| 237 | Close a file. | 
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| 238 | ****************************************************************************/ | 
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| 239 |  | 
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| 240 | bool cli_spl_close(struct cli_state *cli, uint16_t fnum) | 
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| 241 | { | 
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| 242 | memset(cli->outbuf,'\0',smb_size); | 
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| 243 | memset(cli->inbuf,'\0',smb_size); | 
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| 244 |  | 
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| 245 | cli_set_message(cli->outbuf,3,0,True); | 
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| 246 |  | 
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| 247 | SCVAL(cli->outbuf,smb_com,SMBsplclose); | 
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| 248 | SSVAL(cli->outbuf,smb_tid,cli->cnum); | 
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| 249 | cli_setup_packet(cli); | 
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| 250 |  | 
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| 251 | SSVAL(cli->outbuf,smb_vwv0,fnum); | 
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| 252 | SIVALS(cli->outbuf,smb_vwv1,-1); | 
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| 253 |  | 
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| 254 | cli_send_smb(cli); | 
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| 255 | if (!cli_receive_smb(cli)) { | 
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| 256 | return False; | 
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| 257 | } | 
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| 258 |  | 
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| 259 | return !cli_is_error(cli); | 
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| 260 | } | 
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