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#39 stop wild loop in fragsize detection mode

This commit is contained in:
Erik Ekman 2009-01-16 18:12:09 +00:00
parent 0832d059a4
commit fba7afc83c
1 changed files with 18 additions and 7 deletions
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25
src/iodine.c
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@ -539,12 +539,12 @@ handshake(int dns_fd)
printf("Version ok, both using protocol v 0x%08x. You are user #%d\n", VERSION, userid);
goto perform_login;
} else if (strncmp("VNAK", in, 4) == 0) {
errx(1, "You use protocol v 0x%08x, server uses v 0x%08x. Giving up",
warnx("You use protocol v 0x%08x, server uses v 0x%08x. Giving up",
VERSION, payload);
/* NOTREACHED */
return 1;
} else if (strncmp("VFUL", in, 4) == 0) {
errx(1, "Server full, all %d slots are taken. Try again later", payload);
/* NOTREACHED */
warnx("Server full, all %d slots are taken. Try again later", payload);
return 1;
}
} else
warnx("did not receive proper login challenge");
@ -601,8 +601,8 @@ perform_login:
printf("Retrying login...\n");
}
errx(1, "couldn't login to server");
/* NOTREACHED */
warnx("couldn't login to server");
return 1;
perform_case_check:
case_preserved = 0;
@ -703,7 +703,7 @@ autodetect_max_fragsize:
int range = 768;
max_downstream_frag_size = 0;
printf("Autoprobing max downstream fragment size... (skip with -m fragsize)\n");
while (range >= 8 || !max_downstream_frag_size) {
while (running && range > 0 && (range >= 8 || !max_downstream_frag_size)) {
for (i=0; running && i<3 ;i++) {
tv.tv_sec = 1;
tv.tv_usec = 0;
@ -736,6 +736,17 @@ autodetect_max_fragsize:
range >>= 1;
proposed_fragsize -= range;
}
if (!running) {
printf("\n");
warnx("stopped while autodetecting fragment size (Try probing manually with -m)");
return 1;
}
if (range == 0) {
/* Tried all the way down to 2 and found no good size */
printf("\n");
warnx("found no accepted fragment size. (Try probing manually with -m)");
return 1;
}
printf("will use %d\n", max_downstream_frag_size);
}
printf("Setting downstream fragment size to max %d...\n", max_downstream_frag_size);