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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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10
tftpd/remap.c
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@ -39,6 +39,8 @@
#define RULE_WRQ 0x400 /* Put (write) only */
#define RULE_SEDG 0x800 /* sed-style global */
int deadman_max_steps = DEADMAN_MAX_STEPS;
struct rule {
struct rule *next;
int nrule;
@ -397,7 +399,7 @@ char *rewrite_string(const struct formats *pf,
int i;
int len, newlen;
int was_match = 0;
int deadman = DEADMAN_MAX_STEPS;
int deadman = deadman_max_steps;
int matchsense;
int pmatches;
unsigned int bad_flags;
@ -534,9 +536,9 @@ char *rewrite_string(const struct formats *pf,
return current;
dead: /* Deadman expired */
syslog(LOG_WARNING,
"remap: Breaking loop, input = %s, last = %s", input,
current);
syslog(LOG_ERR,
"remap: Breaking loop after %d steps, input = %s, last = %s",
deadman_max_steps, input, current);
free(current);
return NULL; /* Did not terminate! */
}