DeforaNetworks/zzuf
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* Improved recvfrom() debug information.

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* Implemented recv().
This commit is contained in:
Sam Hocevar
2007-01-17 16:32:45 +00:00
committed by sam
parent 1e692f5e44
commit 644846527a
1 changed files with 40 additions and 7 deletions
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src/lib-fd.c
+40 -7
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@@ -62,7 +62,8 @@ static int (*open64_orig) (const char *file, int oflag, ...);
static int (*accept_orig) (int sockfd, struct sockaddr *addr,
SOCKLEN_T *addrlen);
static int (*socket_orig) (int domain, int type, int protocol);
static int (*recvfrom_orig)(int s, void *buf, size_t len, int flags,
static int (*recv_orig) (int s, void *buf, size_t len, int flags);
static int (*recvfrom_orig)(int s, void *buf, size_t len, int flags,
struct sockaddr *from, SOCKLEN_T *fromlen);
static ssize_t (*read_orig) (int fd, void *buf, size_t count);
static ssize_t (*readv_orig) (int fd, const struct iovec *iov, int count);
@@ -153,7 +154,37 @@ int socket(int domain, int type, int protocol)
return ret;
}
int recvfrom(int s, void *buf, size_t len, int flags,
int recv(int s, void *buf, size_t len, int flags)
{
int ret;
LOADSYM(recv);
ret = recv_orig(s, buf, len, flags);
if(!_zz_ready || _zz_disabled || !_zz_network)
return ret;
if(ret > 0)
{
char *b = buf;
_zz_fuzz(s, buf, ret);
_zz_addpos(s, ret);
if(ret >= 4)
debug("%s(%i, %p, %li, 0x%x) = %i \"%c%c%c%c...", __func__,
s, buf, (long int)len, flags, ret, b[0], b[1], b[2], b[3]);
else
debug("%s(%i, %p, %li, 0x%x) = %i \"%c...", __func__,
s, buf, (long int)len, flags, ret, b[0]);
}
else
debug("%s(%i, %p, %li, 0x%x) = %i", __func__,
s, buf, (long int)len, flags, ret);
return ret;
}
int recvfrom(int s, void *buf, size_t len, int flags,
struct sockaddr *from, SOCKLEN_T *fromlen)
{
int ret;
@@ -171,14 +202,16 @@ int recvfrom(int s, void *buf, size_t len, int flags,
_zz_addpos(s, ret);
if(ret >= 4)
debug("%s(%i, %p, %li) = %i \"%c%c%c%c...", __func__, s, buf,
(long int)len, ret, b[0], b[1], b[2], b[3]);
debug("%s(%i, %p, %li, 0x%x, %p, %p) = %i \"%c%c%c%c...", __func__,
s, buf, (long int)len, flags, from, fromlen, ret,
b[0], b[1], b[2], b[3]);
else
debug("%s(%i, %p, %li) = %i \"%c...", __func__, s, buf,
(long int)len, ret, b[0]);
debug("%s(%i, %p, %li, 0x%x, %p, %p) = %i \"%c...", __func__,
s, buf, (long int)len, flags, from, fromlen, ret, b[0]);
}
else
debug("%s(%i, %p, %li) = %i", __func__, s, buf, (long int)len, ret);
debug("%s(%i, %p, %li, 0x%x, %p, %p) = %i", __func__,
s, buf, (long int)len, flags, from, fromlen, ret);
return ret;
}