diff --git a/plugins/check_snmp.c b/plugins/check_snmp.c
index 3f9a03d2bcaa30762afcab756df0d1130d1fbace..9fa4a60bf4069bf355c86073ea8127d7ac0ce646 100644 (file)
--- a/plugins/check_snmp.c
+++ b/plugins/check_snmp.c
ptr = output;
- strcat(perfstr, "| ");
+ strncat(perfstr, "| ", sizeof(perfstr)-strlen(perfstr)-1);
while (ptr) {
char *foo;
+ unsigned int copylen;
foo = strstr (ptr, delimiter);
- strncat(perfstr, ptr, foo-ptr);
+ copylen = foo-ptr;
+ if (copylen > sizeof(perfstr)-strlen(perfstr)-1)
+ copylen = sizeof(perfstr)-strlen(perfstr)-1;
+ strncat(perfstr, ptr, copylen);
ptr = foo;
if (ptr == NULL)
i++;
- strcat(perfstr, "=");
- strcat(perfstr, show);
+ strncat(perfstr, "=", sizeof(perfstr)-strlen(perfstr)-1);
+ strncat(perfstr, show, sizeof(perfstr)-strlen(perfstr)-1);
if (type)
- strcat(perfstr, type);
- strcat(perfstr, " ");
+ strncat(perfstr, type, sizeof(perfstr)-strlen(perfstr)-1);
+ strncat(perfstr, " ", sizeof(perfstr)-strlen(perfstr)-1);
} /* end while (ptr) */