j3d1/tinc
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Stricter checks for netname and node names.

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- Node names should not be empty.
- Net names should not contain slashes or start with a dot, because they are
  used in pathnames.
This commit is contained in:
Guus Sliepen 2012-08-01 16:51:59 +02:00
parent 61006ced88
commit 6396f42d74
3 changed files with 18 additions and 2 deletions
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7
src/tincd.c
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@ -231,11 +231,16 @@ static bool parse_options(int argc, char **argv) {
/* netname "." is special: a "top-level name" */
if(netname && !strcmp(netname, ".")) {
if(netname && (!*netname || !strcmp(netname, "."))) {
free(netname);
netname = NULL;
}
if(netname && (strpbrk(netname, "\\/") || *netname == '.')) {
fprintf(stderr, "Invalid character in netname!\n");
return false;
}
return true;
}