Update of bug #66546 (group groff):
Status: In Progress => Fixed
Open/Closed: Open => Closed
Planned Release: None => 1.24.0
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Follow-up Comment #1:
commit f0ef2a7074f7cea3a6484bbe77127b397cafa362
Author: G. Branden Robinson <g.branden.robin...@gmail.com>
Date: Sun Dec 8 12:56:10 2024 -0600
[troff]: Fix Savannah #66546 (`cf` is unsafe).
Disable `cf` request in safer mode.
* src/roff/troff/input.cpp (copy_file): Do it.
* doc/groff.texi.in (I/O) <cf>:
* man/groff.7.man (Request short reference) <cf>:
* man/groff_diff.7.man (Restricted requests): Do it.
* NEWS: Add item.
Fixes <https://savannah.gnu.org/bugs/?66546>.
Exhibit:
$ for n in $(seq 0 31) $(seq 128 255); do c=$(printf '\\%03o' $n); \
printf "$c" >>bin; done
$ od -c bin
0000000 \0 001 002 003 004 005 006 \a \b \t \n \v \f \r 016 017
0000020 020 021 022 023 024 025 026 027 030 031 032 033 034 035 036 037
0000040 200 201 202 203 204 205 206 207 210 211 212 213 214 215 216 217
0000060 220 221 222 223 224 225 226 227 230 231 232 233 234 235 236 237
0000100 240 241 242 243 244 245 246 247 250 251 252 253 254 255 256 257
0000120 260 261 262 263 264 265 266 267 270 271 272 273 274 275 276 277
0000140 300 301 302 303 304 305 306 307 310 311 312 313 314 315 316 317
0000160 320 321 322 323 324 325 326 327 330 331 332 333 334 335 336 337
0000200 340 341 342 343 344 345 346 347 350 351 352 353 354 355 356 357
0000220 360 361 362 363 364 365 366 367 370 371 372 373 374 375 376 377
0000240
$ cat cf.roff
Hello
.cf bin
world!
$ cat trf.groff
Hello
.trf bin
world!
$ groff -Z ATTIC/cf.roff | od -c
0000000 x T p s \n x r e s 7 2 0
0000020 0 0 1 1 \n x i n i t \n p 1
0000040 \n x f o n t 5 T R \n f 5 \n
0000060 s 1 0 0 0 0 \n V 1 2 0 0 0 \n H 7
0000100 2 0 0 0 \n m d \n D F d \n t H e l
0000120 l o \n n 1 2 0 0 0 0 \n V 1 2 0
0000140 0 0 \n H 7 2 0 0 0 \n \0 001 002 003 004 005
0000160 006 \a \b \t \n \v \f \r 016 017 020 021 022 023 024 025
0000200 026 027 030 031 032 033 034 035 036 037 200 201 202 203 204 205
0000220 206 207 210 211 212 213 214 215 216 217 220 221 222 223 224 225
0000240 226 227 230 231 232 233 234 235 236 237 240 241 242 243 244 245
0000260 246 247 250 251 252 253 254 255 256 257 260 261 262 263 264 265
0000300 266 267 270 271 272 273 274 275 276 277 300 301 302 303 304 305
0000320 306 307 310 311 312 313 314 315 316 317 320 321 322 323 324 325
0000340 326 327 330 331 332 333 334 335 336 337 340 341 342 343 344 345
0000360 346 347 350 351 352 353 354 355 356 357 360 361 362 363 364 365
0000400 366 367 370 371 372 373 374 375 376 377 x f o n t
0000420 5 T R \n f 5 \n s 1 0 0 0 0 \n
0000440 V 2 4 0 0 0 \n H 7 2 0 0 0 \n t o
0000460 r l d ! \n n 1 2 0 0 0 0 \n x
0000500 t r a i l e r \n V 7 9 2 0 0 0 \n
0000520 x s t o p \n
0000527
$ groff -Z ATTIC/trf.groff | od -c
0000000 x T p s \n x r e s 7 2 0
0000020 0 0 1 1 \n x i n i t \n p 1
0000040 \n x f o n t 5 T R \n f 5 \n
0000060 s 1 0 0 0 0 \n V 1 2 0 0 0 \n H 7
0000100 2 0 0 0 \n m d \n D F d \n t H e l
0000120 l o \n n 1 2 0 0 0 0 \n 001 002 003 004
0000140 005 006 \a \b \t \n \f 240 241 242 243 244 245 246 247 250
0000160 251 252 253 254 255 256 257 260 261 262 263 264 265 266 267 270
0000200 271 272 273 274 275 276 277 300 301 302 303 304 305 306 307 310
0000220 311 312 313 314 315 316 317 320 321 322 323 324 325 326 327 330
0000240 331 332 333 334 335 336 337 340 341 342 343 344 345 346 347 350
0000260 351 352 353 354 355 356 357 360 361 362 363 364 365 366 367 370
0000300 371 372 373 374 375 376 377 \n V 2 4 0 0 0 \n H
0000320 7 2 0 0 0 \n t w \n H 7 9 1 2 0 \n
0000340 t o r l d ! \n n 1 2 0 0 0 0 \n
0000360 x t r a i l e r \n V 7 9 2 0 0
0000400 0 \n x s t o p \n
0000411
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