FreeCalypso > hg > freecalypso-tools
comparison rvinterf/etmsync/fileio.c @ 921:74d284add54d
fc-fsio: guard against bogus readdir results from the target
If the FFS being operated on contains SE K2x0 extended filenames,
readdir will return strings that are bad for printing. We need to
guard against this possibility, and also against possible other
bogosity that could be sent by other alien firmwares.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 31 Dec 2022 22:55:23 +0000 |
parents | e6fe9d25377a |
children |
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920:0306449ba467 | 921:74d284add54d |
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298 return(ERROR_TARGET); | 298 return(ERROR_TARGET); |
299 } | 299 } |
300 if (rvi_msg[5] != 4) | 300 if (rvi_msg[5] != 4) |
301 goto malformed; | 301 goto malformed; |
302 slen = rvi_msg[10]; | 302 slen = rvi_msg[10]; |
303 if (slen < 2 || rvi_msg_len != slen + 12) | 303 if (slen < 2 || rvi_msg_len != slen + 12 || !rvi_msg[11]) |
304 goto malformed; | 304 goto malformed; |
305 if (slen > namebuflen) { | 305 if (slen > namebuflen) { |
306 printf("error: readdir response exceeds provided buffer\n"); | 306 printf("error: readdir response exceeds provided buffer\n"); |
307 return(ERROR_TARGET); | 307 return(ERROR_TARGET); |
308 } | 308 } |