1 /* 2 * Copyright 1990 Network Computing Devices; 3 * Portions Copyright 1987 by Digital Equipment Corporation 4 * 5 * Permission to use, copy, modify, distribute, and sell this software 6 * and its documentation for any purpose is hereby granted without fee, 7 * provided that the above copyright notice appear in all copies and 8 * that both that copyright notice and this permission notice appear 9 * in supporting documentation, and that the names of Network Computing 10 * Devices or Digital not be used in advertising or publicity pertaining 11 * to distribution of the software without specific, written prior 12 * permission. Network Computing Devices or Digital make no representations 13 * about the suitability of this software for any purpose. It is provided 14 * "as is" without express or implied warranty. 15 * 16 * NETWORK COMPUTING DEVICES AND DIGITAL DISCLAIM ALL WARRANTIES WITH 17 * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES 19 * OR DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES 20 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 21 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 22 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 23 * SOFTWARE. 24 */ 25 26 /* 27 28 Copyright 1987, 1998 The Open Group 29 30 Permission to use, copy, modify, distribute, and sell this software and its 31 documentation for any purpose is hereby granted without fee, provided that 32 the above copyright notice appear in all copies and that both that 33 copyright notice and this permission notice appear in supporting 34 documentation. 35 36 The above copyright notice and this permission notice shall be included in 37 all copies or substantial portions of the Software. 38 39 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 40 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 41 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 42 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 43 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 44 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 45 46 Except as contained in this notice, the name of The Open Group shall not be 47 used in advertising or otherwise to promote the sale, use or other dealings 48 in this Software without prior written authorization from The Open Group. 49 50 */ 51 #ifdef HAVE_CONFIG_H 52 #include <config.h> 53 #endif 54 #include "FSlibint.h" 55 56 char ** 57 FSListFontsWithXInfo( 58 FSServer *svr, 59 const char *pattern, 60 int maxNames, 61 int *count, 62 FSXFontInfoHeader ***info, 63 FSPropInfo ***pprops, 64 FSPropOffset ***offsets, 65 unsigned char ***prop_data) 66 { 67 int i; 68 size_t size = 0; 69 FSXFontInfoHeader **fhdr = (FSXFontInfoHeader **) NULL; 70 FSPropInfo **pi = (FSPropInfo **) NULL; 71 FSPropOffset **po = (FSPropOffset **) NULL; 72 unsigned char **pd = (unsigned char **) NULL; 73 char **flist = NULL; 74 fsListFontsWithXInfoReply reply; 75 fsListFontsWithXInfoReq *req; 76 fsPropInfo local_pi; 77 fsPropOffset local_po; 78 Status status; 79 Bool eat_data = True; 80 81 GetReq(ListFontsWithXInfo, req); 82 req->maxNames = (CARD32) maxNames; 83 req->nbytes = 0; 84 if (pattern != NULL) { 85 size_t nbytes; 86 87 #ifdef HAVE_STRNLEN 88 nbytes = strnlen(pattern, FSMaxRequestBytes(svr)); 89 #else 90 nbytes = strlen(pattern); 91 #endif 92 93 if (nbytes <= (FSMaxRequestBytes(svr) - 94 SIZEOF(fsListFontsWithXInfoReq))) { 95 req->nbytes = (CARD16) nbytes; 96 req->length += (CARD16) ((nbytes + 3) >> 2); 97 _FSSend(svr, pattern, (long) nbytes); 98 } 99 } 100 101 for (i = 0;; i++) { 102 if (FSProtocolVersion(svr) > 1) 103 { 104 status = _FSReply(svr, (fsReply *) &reply, 0, fsFalse); 105 if (status != 0 && reply.nameLength == 0) /* got last reply */ 106 break; 107 if (status) 108 _FSRead(svr, ((char *) &reply) + SIZEOF(fsGenericReply), 109 SIZEOF(fsListFontsWithXInfoReply) - 110 SIZEOF(fsGenericReply)); 111 } else { 112 status = _FSReply(svr, (fsReply *) & reply, 113 ((SIZEOF(fsListFontsWithXInfoReply) - 114 SIZEOF(fsGenericReply)) >> 2), fsFalse); 115 } 116 if (!status) { 117 eat_data = False; 118 goto badmem; 119 } 120 if (reply.nameLength == 0) /* got last reply in version 1 */ 121 break; 122 if ((i + reply.nReplies) >= size) { 123 124 if (reply.nReplies > SIZE_MAX - i - 1) 125 goto badmem; 126 size = i + reply.nReplies + 1; 127 128 if (size > SIZE_MAX / sizeof(char *)) 129 goto badmem; 130 131 if (fhdr) { 132 #define ResizeArray(var, type) { \ 133 type **tmp = FSreallocarray(var, size, sizeof(type *)); \ 134 if (tmp) \ 135 var = tmp; \ 136 else \ 137 goto badmem; \ 138 } 139 140 ResizeArray(fhdr, FSXFontInfoHeader) 141 ResizeArray(flist, char) 142 ResizeArray(pi, FSPropInfo) 143 ResizeArray(po, FSPropOffset) 144 ResizeArray(pd, unsigned char) 145 } else { 146 #define InitArray(var, type) \ 147 if ((var = FSmallocarray(size, sizeof(type *))) == NULL) { \ 148 goto badmem; \ 149 } 150 151 InitArray(fhdr, FSXFontInfoHeader) 152 InitArray(flist, char) 153 InitArray(pi, FSPropInfo) 154 InitArray(po, FSPropOffset) 155 InitArray(pd, unsigned char) 156 } 157 } 158 fhdr[i] = FSmalloc(sizeof(FSXFontInfoHeader)); 159 if (!fhdr[i]) { 160 goto badmem; 161 } 162 FSUnpack_XFontInfoHeader(&reply, fhdr[i], FSProtocolVersion(svr)); 163 164 /* alloc space for the name */ 165 flist[i] = FSmalloc(reply.nameLength + 1); 166 if (!flist[i]) 167 goto cleanfhdr; 168 if (FSProtocolVersion(svr) == 1) 169 { 170 /* get the name */ 171 _FSReadPad(svr, flist[i], (long) reply.nameLength); 172 flist[i][reply.nameLength] = '\0'; 173 } 174 175 pi[i] = FSmalloc(sizeof(FSPropInfo)); 176 if (!pi[i]) 177 goto cleanflist; 178 _FSReadPad(svr, (char *) &local_pi, SIZEOF(fsPropInfo)); 179 pi[i]->num_offsets = local_pi.num_offsets; 180 pi[i]->data_len = local_pi.data_len; 181 182 #if SIZE_MAX <= UINT_MAX 183 if (pi[i]->num_offsets > SIZE_MAX / sizeof(FSPropOffset)) 184 goto cleanpi; 185 #endif 186 187 po[i] = FSmallocarray(pi[i]->num_offsets, sizeof(FSPropOffset)); 188 if (!po[i]) 189 goto cleanpi; 190 pd[i] = FSmalloc(pi[i]->data_len); 191 if (!pd[i]) 192 goto cleanpo; 193 /* get offsets */ 194 for (unsigned int j = 0; j < pi[i]->num_offsets; j++) 195 { 196 _FSReadPad(svr, (char *) &local_po, SIZEOF(fsPropOffset)); 197 po[i][j].name.position = local_po.name.position; 198 po[i][j].name.length = local_po.name.length; 199 po[i][j].value.position = local_po.value.position; 200 po[i][j].value.length = local_po.value.length; 201 po[i][j].type = local_po.type; 202 } 203 204 /* get prop data */ 205 if (FSProtocolVersion(svr) == 1) 206 _FSReadPad(svr, (char *) pd[i], pi[i]->data_len); 207 else 208 _FSRead(svr, (char *) pd[i], pi[i]->data_len); 209 210 if (FSProtocolVersion(svr) != 1) 211 { 212 unsigned long nbytes; 213 214 /* get the name */ 215 _FSRead(svr, flist[i], (long) reply.nameLength); 216 flist[i][reply.nameLength] = '\0'; 217 218 nbytes = pi[i]->data_len + reply.nameLength; 219 _FSEatData(svr, (unsigned long) (((nbytes+3)&~3) - nbytes)); 220 } 221 /* avoid integer overflow */ 222 if (i > INT_MAX - 1) { 223 goto cleanpd; 224 } 225 } 226 *info = fhdr; 227 *count = i; 228 *pprops = pi; 229 *offsets = po; 230 *prop_data = pd; 231 SyncHandle(); 232 return flist; 233 234 /* Error cleanup for when we're partway through filling in item #i in arrays */ 235 cleanpd: 236 FSfree(pd[i]); 237 cleanpo: 238 FSfree(po[i]); 239 cleanpi: 240 FSfree(pi[i]); 241 cleanflist: 242 FSfree(flist[i]); 243 cleanfhdr: 244 FSfree(fhdr[i]); 245 /* Error cleanup for all previously filled in items in the arrays */ 246 badmem: 247 for (int j = (i - 1); j >= 0; j--) { 248 FSfree(pi[j]); 249 FSfree(po[j]); 250 FSfree(pd[j]); 251 FSfree(flist[j]); 252 FSfree(fhdr[j]); 253 } 254 FSfree(flist); 255 FSfree(fhdr); 256 FSfree(pi); 257 FSfree(po); 258 FSfree(pd); 259 260 if (eat_data) { 261 do { 262 fsPropInfo ti; 263 264 _FSEatData(svr, (reply.nameLength + 3) & ~3); 265 _FSReadPad(svr, (char *) &ti, SIZEOF(fsPropInfo)); 266 _FSEatData(svr, (SIZEOF(fsPropOffset) * ti.num_offsets)); 267 _FSEatData(svr, ti.data_len); 268 } while (_FSReply(svr, (fsReply *) &reply, 269 ((SIZEOF(fsListFontsWithXInfoReply) 270 - SIZEOF(fsGenericReply)) >> 2), fsFalse) 271 && (reply.nameLength != 0)); 272 } 273 SyncHandle(); 274 return (char **) NULL; 275 } 276
Indexes created Sat Aug 22 00:26:31 UTC 2026