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Fix potentially unterminated strings

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This commit is contained in:
Bernhard Hackl 2017-04-11 06:27:55 -07:00
parent 078359127b
commit ae91d6b4b1
2 changed files with 7 additions and 7 deletions
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10
core/net/ip/resolv.c
View File

@ -1094,7 +1094,7 @@ resolv_set_hostname(const char *hostname)
/* Add the .local suffix if it isn't already there */
if(strlen(resolv_hostname) < 7 ||
strcasecmp(resolv_hostname + strlen(resolv_hostname) - 6, ".local") != 0) {
strncat(resolv_hostname, ".local", RESOLV_CONF_MAX_DOMAIN_NAME_SIZE);
strncat(resolv_hostname, ".local", RESOLV_CONF_MAX_DOMAIN_NAME_SIZE - strlen(resolv_hostname));
}
PRINTF("resolver: hostname changed to \"%s\"\n", resolv_hostname);
@ -1248,8 +1248,8 @@ remove_trailing_dots(const char *name) {
static char dns_name_without_dots[RESOLV_CONF_MAX_DOMAIN_NAME_SIZE + 1];
size_t len = strlen(name);
if(name[len - 1] == '.') {
strncpy(dns_name_without_dots, name, sizeof(dns_name_without_dots));
if(len && name[len - 1] == '.') {
strncpy(dns_name_without_dots, name, RESOLV_CONF_MAX_DOMAIN_NAME_SIZE);
while(len && (dns_name_without_dots[len - 1] == '.')) {
dns_name_without_dots[--len] = 0;
}
@ -1309,7 +1309,7 @@ resolv_query(const char *name)
memset(nameptr, 0, sizeof(*nameptr));
strncpy(nameptr->name, name, sizeof(nameptr->name));
strncpy(nameptr->name, name, sizeof(nameptr->name) - 1);
nameptr->state = STATE_NEW;
nameptr->seqno = seqno;
++seqno;
@ -1479,7 +1479,7 @@ resolv_found(char *name, uip_ipaddr_t * ipaddr)
}
/* Re-add the .local suffix */
strncat(resolv_hostname, ".local", RESOLV_CONF_MAX_DOMAIN_NAME_SIZE);
strncat(resolv_hostname, ".local", RESOLV_CONF_MAX_DOMAIN_NAME_SIZE - strlen(resolv_hostname));
start_name_collision_check(CLOCK_SECOND * 5);
} else if(mdns_state == MDNS_STATE_READY) {

4
core/net/ipv6/websocket.c
View File

@ -547,8 +547,8 @@ websocket_open(struct websocket *s, const char *url,
websocket_callback c)
{
int ret;
char host[MAX_HOSTLEN];
char path[MAX_PATHLEN];
char host[MAX_HOSTLEN + 1] = {0};
char path[MAX_PATHLEN + 1] = {0};
uint16_t port;
uip_ipaddr_t addr;