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Fix segfault when using tincctl's shell without readline.
[tinc]
/
src
/
tincd.c
diff --git
a/src/tincd.c
b/src/tincd.c
index
98123fe
..
0fd2f8d
100644
(file)
--- a/
src/tincd.c
+++ b/
src/tincd.c
@@
-231,11
+231,16
@@
static bool parse_options(int argc, char **argv) {
/* netname "." is special: a "top-level name" */
/* netname "." is special: a "top-level name" */
- if(netname &&
!strcmp(netname, "."
)) {
+ if(netname &&
(!*netname || !strcmp(netname, ".")
)) {
free(netname);
netname = NULL;
}
free(netname);
netname = NULL;
}
+ if(netname && (strpbrk(netname, "\\/") || *netname == '.')) {
+ fprintf(stderr, "Invalid character in netname!\n");
+ return false;
+ }
+
return true;
}
return true;
}