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tftpd: make it possible to adjust the remap deadman

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Allow the user to tweak the remap deadman counter if it is necessary
for whatever reason.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2024-06-10 20:36:22 -07:00
parent ac7f98e4d8
commit 9a92dec1dc
4 changed files with 27 additions and 4 deletions
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14
tftpd/tftpd.c
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@ -325,6 +325,7 @@ static int split_port(char **ap, char **pp)
enum long_only_options {
OPT_VERBOSITY = 256,
OPT_MAP_STEPS
};
static struct option long_options[] = {
@ -347,6 +348,7 @@ static struct option long_options[] = {
{ "retransmit", 1, NULL, 'T' },
{ "port-range", 1, NULL, 'R' },
{ "map-file", 1, NULL, 'm' },
{ "map-steps", 1, NULL, OPT_MAP_STEPS },
{ "pidfile", 1, NULL, 'P' },
{ NULL, 0, NULL, 0 }
};
@ -495,6 +497,18 @@ int main(int argc, char **argv)
}
rewrite_file = optarg;
break;
case OPT_MAP_STEPS:
{
char *ep;
unsigned long steps = strtoul(optarg, &ep, 0);
if (*optarg && *ep && steps > 0 && steps <= INT_MAX) {
deadman_max_steps = steps;
} else {
syslog(LOG_ERR, "Bad --map-steps option: %s", optarg);
exit(EX_USAGE);
}
break;
}
#endif
case 'v':
verbosity++;