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coverity: fixed unchecked return value from library

This commit is contained in:
Laxmikant Rashinkar 2014-07-20 13:14:09 -07:00
parent 023c0b5bc1
commit a990287c46
7 changed files with 88 additions and 23 deletions
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36
common/os_calls.c
View File

@ -471,8 +471,11 @@ g_tcp_socket(void)
{
option_value = 0;
option_len = sizeof(option_value);
setsockopt(rv, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&option_value,
option_len);
if (setsockopt(rv, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&option_value,
option_len) < 0)
{
log_message(LOG_LEVEL_ERROR, "g_tcp_socket: setsockopt() failed\n");
}
}
}
#endif
@ -484,8 +487,11 @@ g_tcp_socket(void)
{
option_value = 1;
option_len = sizeof(option_value);
setsockopt(rv, SOL_SOCKET, SO_REUSEADDR, (char *)&option_value,
option_len);
if (setsockopt(rv, SOL_SOCKET, SO_REUSEADDR, (char *)&option_value,
option_len) < 0)
{
log_message(LOG_LEVEL_ERROR, "g_tcp_socket: setsockopt() failed\n");
}
}
}
@ -498,8 +504,11 @@ g_tcp_socket(void)
{
option_value = 1024 * 32;
option_len = sizeof(option_value);
setsockopt(rv, SOL_SOCKET, SO_SNDBUF, (char *)&option_value,
option_len);
if (setsockopt(rv, SOL_SOCKET, SO_SNDBUF, (char *)&option_value,
option_len) < 0)
{
log_message(LOG_LEVEL_ERROR, "g_tcp_socket: setsockopt() failed\n");
}
}
}
@ -785,7 +794,10 @@ g_tcp_set_non_blocking(int sck)
#else
i = fcntl(sck, F_GETFL);
i = i | O_NONBLOCK;
fcntl(sck, F_SETFL, i);
if (fcntl(sck, F_SETFL, i) < 0)
{
log_message(LOG_LEVEL_ERROR, "g_tcp_set_non_blocking: fcntl() failed\n");
}
#endif
return 0;
}
@ -1421,7 +1433,12 @@ g_set_wait_obj(tbus obj)
return 1;
}
sendto(s, "sig", 4, 0, (struct sockaddr *)&sa, sa_size);
if (sendto(s, "sig", 4, 0, (struct sockaddr *)&sa, sa_size) < 0)
{
close(s);
return 1;
}
close(s);
return 0;
#endif
@ -1934,8 +1951,7 @@ g_mkdir(const char *dirname)
#if defined(_WIN32)
return 0;
#else
mkdir(dirname, S_IRWXU);
return 0;
return mkdir(dirname, S_IRWXU);
#endif
}

8
sesman/chansrv/clipboard_file.c
View File

@ -446,7 +446,13 @@ clipboard_send_file_data(int streamId, int lindex,
full_fn);
return 1;
}
g_file_seek(fd, nPositionLow);
if (g_file_seek(fd, nPositionLow) < 0)
{
log_message(LOG_LEVEL_ERROR, "clipboard_send_file_data: seek error "
"in file: %s\n", full_fn);
g_file_close(fd);
return 1;
}
make_stream(s);
init_stream(s, cbRequested + 64);
size = g_file_read(fd, s->data + 12, cbRequested);

6
sesman/env.c
View File

@ -129,7 +129,11 @@ env_set_user(char *username, char *passwd_file, int display,
{
/* if no auth_file_path is set, then we go for
$HOME/.vnc/sesman_username_passwd */
g_mkdir(".vnc");
if (g_mkdir(".vnc") < 0)
{
log_message(LOG_LEVEL_ERROR,
"env_set_user: error creating .vnc dir");
}
g_sprintf(passwd_file, "%s/.vnc/sesman_%s_passwd", pw_dir, username);
}
else

14
sesman/sesman.c
View File

@ -308,9 +308,17 @@ main(int argc, char **argv)
g_file_close(1);
g_file_close(2);
g_file_open("/dev/null");
g_file_open("/dev/null");
g_file_open("/dev/null");
if (g_file_open("/dev/null") < 0)
{
}
if (g_file_open("/dev/null") < 0)
{
}
if (g_file_open("/dev/null") < 0)
{
}
}
/* initializing locks */

16
xrdp/xrdp.c
View File

@ -538,9 +538,19 @@ main(int argc, char **argv)
g_file_close(0);
g_file_close(1);
g_file_close(2);
g_file_open("/dev/null");
g_file_open("/dev/null");
g_file_open("/dev/null");
if (g_file_open("/dev/null") < 0)
{
}
if (g_file_open("/dev/null") < 0)
{
}
if (g_file_open("/dev/null") < 0)
{
}
/* end of daemonizing code */
}

26
xrdp/xrdp_bitmap.c
View File

@ -441,7 +441,13 @@ xrdp_bitmap_load(struct xrdp_bitmap *self, const char *filename, int *palette)
g_file_read(fd, s->data, 4);
in_uint32_le(s, size);
/* read bmp header */
g_file_seek(fd, 14);
if (g_file_seek(fd, 14) < 0)
{
log_message(LOG_LEVEL_ERROR, "xrdp_bitmap_load: seek error in file %s\n",
filename);
g_file_close(fd);
return 1;
}
init_stream(s, 8192);
g_file_read(fd, s->data, 40); /* size better be 40 */
in_uint32_le(s, header.size);
@ -468,7 +474,11 @@ xrdp_bitmap_load(struct xrdp_bitmap *self, const char *filename, int *palette)
if (header.bit_count == 24) /* 24 bit bitmap */
{
g_file_seek(fd, 14 + header.size);
if (g_file_seek(fd, 14 + header.size) < 0)
{
log_message(LOG_LEVEL_ERROR, "xrdp_bitmap_load: seek error in file %s\n",
filename);
}
xrdp_bitmap_resize(self, header.image_width, header.image_height);
size = header.image_width * header.image_height * 3;
init_stream(s, size);
@ -521,7 +531,11 @@ xrdp_bitmap_load(struct xrdp_bitmap *self, const char *filename, int *palette)
else if (header.bit_count == 8) /* 8 bit bitmap */
{
/* read palette */
g_file_seek(fd, 14 + header.size);
if (g_file_seek(fd, 14 + header.size) < 0)
{
log_message(LOG_LEVEL_ERROR, "xrdp_bitmap_load: seek error in file %s\n",
filename);
}
init_stream(s, 8192);
g_file_read(fd, s->data, header.clr_used * sizeof(int));
@ -578,7 +592,11 @@ xrdp_bitmap_load(struct xrdp_bitmap *self, const char *filename, int *palette)
else if (header.bit_count == 4) /* 4 bit bitmap */
{
/* read palette */
g_file_seek(fd, 14 + header.size);
if (g_file_seek(fd, 14 + header.size) < 0)
{
log_message(LOG_LEVEL_ERROR, "xrdp_bitmap_load: seek error in file %s\n",
filename);
}
init_stream(s, 8192);
g_file_read(fd, s->data, header.clr_used * sizeof(int));

5
xrdpapi/xrdpapi.c
View File

@ -129,7 +129,10 @@ WTSVirtualChannelOpenEx(unsigned int SessionId, const char *pVirtualName,
/* set non blocking */
llong = fcntl(wts->fd, F_GETFL);
llong = llong | O_NONBLOCK;
fcntl(wts->fd, F_SETFL, llong);
if (fcntl(wts->fd, F_SETFL, llong) < 0)
{
LLOGLN(10, ("WTSVirtualChannelOpenEx: set non-block mode failed"));
}
/* connect to chansrv session */
memset(&s, 0, sizeof(struct sockaddr_un));