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ratbagd: use strdup_safe for all string copies

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Because if we can't strdup a device name or dbus path, we have problems we
can't recover from anyway.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer
2017-07-13 13:39:02 +10:00
committed by Benjamin Tissoires
parent 5fff0ece5b
commit a6d03fde18
3 changed files with 10 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
meson.build
View File

@@ -437,7 +437,8 @@ src_ratbagd = [
'ratbagd/ratbagd-button.c',
'ratbagd/ratbagd-device.c',
'ratbagd/ratbagd-profile.c',
'ratbagd/ratbagd-resolution.c'
'ratbagd/ratbagd-resolution.c',
'src/libratbag-util.h'
]
deps_ratbagd = [

16
ratbagd/ratbagd-device.c
View File

@@ -38,6 +38,8 @@
#include "shared-macro.h"
#include "shared-rbtree.h"
#include "libratbag-util.h"
struct ratbagd_device {
struct ratbagd *ctx;
RBNode node;
@@ -104,20 +106,12 @@ static int ratbagd_device_list_profiles(sd_bus *bus,
if (!profile)
continue;
profiles[i] = strdup(ratbagd_profile_get_path(profile));
if (!profiles[i])
goto error;
profiles[i] = strdup_safe(ratbagd_profile_get_path(profile));
}
profiles[i] = NULL;
*paths = profiles;
return 1;
error:
for (i = 0; profiles[i]; ++i)
free(profiles[i]);
free(profiles);
return -ENOMEM;
}
static int ratbagd_device_get_device_name(sd_bus *bus,
@@ -387,9 +381,7 @@ int ratbagd_device_new(struct ratbagd_device **out,
rbnode_init(&device->node);
device->lib_device = ratbag_device_ref(lib_device);
device->name = strdup(name);
if (!device->name)
return -ENOMEM;
device->name = strdup_safe(name);
r = sd_bus_path_encode(RATBAGD_OBJ_ROOT "/device",
device->name,

31
ratbagd/ratbagd-profile.c
View File

@@ -34,6 +34,7 @@
#include <systemd/sd-bus.h>
#include <systemd/sd-event.h>
#include "ratbagd.h"
#include "libratbag-util.h"
#include "shared-macro.h"
struct ratbagd_profile {
@@ -530,20 +531,12 @@ static int ratbagd_profile_list_resolutions(sd_bus *bus,
if (!resolution)
continue;
resolutions[i] = strdup(ratbagd_resolution_get_path(resolution));
if (!resolutions[i])
goto error;
resolutions[i] = strdup_safe(ratbagd_resolution_get_path(resolution));
}
resolutions[i] = NULL;
*paths = resolutions;
return 1;
error:
for (i = 0; resolutions[i]; ++i)
free(resolutions[i]);
free(resolutions);
return -ENOMEM;
}
@@ -607,20 +600,12 @@ static int ratbagd_profile_list_buttons(sd_bus *bus,
if (!button)
continue;
buttons[i] = strdup(ratbagd_button_get_path(button));
if (!buttons[i])
goto error;
buttons[i] = strdup_safe(ratbagd_button_get_path(button));
}
buttons[i] = NULL;
*paths = buttons;
return 1;
error:
for (i = 0; buttons[i]; ++i)
free(buttons[i]);
free(buttons);
return -ENOMEM;
}
int ratbagd_profile_register_buttons(struct sd_bus *bus,
@@ -683,20 +668,12 @@ static int ratbagd_profile_list_leds(sd_bus *bus,
if (!led)
continue;
leds[i] = strdup(ratbagd_led_get_path(led));
if (!leds[i])
goto error;
leds[i] = strdup_safe(ratbagd_led_get_path(led));
}
leds[i] = NULL;
*paths = leds;
return 1;
error:
for (i = 0; leds[i]; ++i)
free(leds[i]);
free(leds);
return -ENOMEM;
}
int ratbagd_profile_register_leds(struct sd_bus *bus,