arti/socket-enhancer
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EFAULT on NULL address

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This commit is contained in:
Peter H. Jin 2021-06-16 18:26:11 -05:00
parent 4c60187a6b
commit 253dda436d
1 changed files with 8 additions and 0 deletions
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8
socket-enhancer.c
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@ -203,6 +203,10 @@ static int try_preconnect_bind_v6(int fd, const struct ipv6_with_scope *bind_add
return config->real_bind(fd, (struct sockaddr *) &existing_address, sizeof(existing_address)); return config->real_bind(fd, (struct sockaddr *) &existing_address, sizeof(existing_address));
} }
int connect(int fd, const struct sockaddr *addr_, socklen_t len_) { int connect(int fd, const struct sockaddr *addr_, socklen_t len_) {
if (!addr_) {
errno = EFAULT;
return -1;
}
const struct sockaddr *addr = addr_; const struct sockaddr *addr = addr_;
socklen_t len = len_; socklen_t len = len_;
union { union {
@ -273,6 +277,10 @@ int connect(int fd, const struct sockaddr *addr_, socklen_t len_) {
return config->real_connect(fd, addr, len); return config->real_connect(fd, addr, len);
} }
int bind(int fd, const struct sockaddr *addr_, socklen_t len_) { int bind(int fd, const struct sockaddr *addr_, socklen_t len_) {
if (!addr_) {
errno = EFAULT;
return -1;
}
struct socket_enhancer_config *config = __atomic_load_n(&global_config, __ATOMIC_SEQ_CST); struct socket_enhancer_config *config = __atomic_load_n(&global_config, __ATOMIC_SEQ_CST);
if (!config) abort(); if (!config) abort();
int always_freebind = !!(config->always_freebind & 1); int always_freebind = !!(config->always_freebind & 1);