| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20130416182606.27773.55054.stgit@warthog.procyon.org.uk>
Date: Tue, 16 Apr 2013 19:26:06 +0100
From: David Howells <dhowells@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: alsa-devel@...a-project.org, netdev@...r.kernel.org,
linux-wireless@...r.kernel.org, netfilter-devel@...r.kernel.org,
viro@...iv.linux.org.uk, linux-pci@...r.kernel.org,
linux-fsdevel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-media@...r.kernel.org
Subject: [PATCH 04/28] proc: Supply PDE attribute setting accessor functions
[RFC]
Supply accessor functions to set attributes in proc_dir_entry structs.
The following are supplied: proc_set_size() and proc_set_user().
Signed-off-by: David Howells <dhowells@...hat.com>
cc: linuxppc-dev@...ts.ozlabs.org
cc: linux-media@...r.kernel.org
cc: netdev@...r.kernel.org
cc: linux-wireless@...r.kernel.org
cc: linux-pci@...r.kernel.org
cc: netfilter-devel@...r.kernel.org
cc: alsa-devel@...a-project.org
---
arch/powerpc/kernel/proc_powerpc.c | 2 +-
arch/powerpc/platforms/pseries/reconfig.c | 2 +-
drivers/media/pci/ttpci/av7110_ir.c | 2 +-
drivers/net/irda/vlsi_ir.c | 2 +-
drivers/net/wireless/airo.c | 34 +++++++++--------------------
drivers/pci/proc.c | 2 +-
fs/proc/generic.c | 13 +++++++++++
include/linux/proc_fs.h | 5 ++++
kernel/configs.c | 2 +-
kernel/profile.c | 2 +-
net/netfilter/xt_recent.c | 3 +--
sound/core/info.c | 2 +-
12 files changed, 38 insertions(+), 33 deletions(-)
diff --git a/arch/powerpc/kernel/proc_powerpc.c b/arch/powerpc/kernel/proc_powerpc.c
index 41d8ee9..feb8580 100644
--- a/arch/powerpc/kernel/proc_powerpc.c
+++ b/arch/powerpc/kernel/proc_powerpc.c
@@ -83,7 +83,7 @@ static int __init proc_ppc64_init(void)
&page_map_fops, vdso_data);
if (!pde)
return 1;
- pde->size = PAGE_SIZE;
+ proc_set_size(pde, PAGE_SIZE);
return 0;
}
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index d6491bd..f93cdf5 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -452,7 +452,7 @@ static int proc_ppc64_create_ofdt(void)
ent = proc_create("powerpc/ofdt", S_IWUSR, NULL, &ofdt_fops);
if (ent)
- ent->size = 0;
+ proc_set_size(ent, 0);
return 0;
}
diff --git a/drivers/media/pci/ttpci/av7110_ir.c b/drivers/media/pci/ttpci/av7110_ir.c
index eb82286..0e763a7 100644
--- a/drivers/media/pci/ttpci/av7110_ir.c
+++ b/drivers/media/pci/ttpci/av7110_ir.c
@@ -375,7 +375,7 @@ int av7110_ir_init(struct av7110 *av7110)
if (av_cnt == 1) {
e = proc_create("av7110_ir", S_IWUSR, NULL, &av7110_ir_proc_fops);
if (e)
- e->size = 4 + 256 * sizeof(u16);
+ proc_set_size(e, 4 + 256 * sizeof(u16));
}
tasklet_init(&av7110->ir.ir_tasklet, av7110_emit_key, (unsigned long) &av7110->ir);
diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c
index e22cd4e..5f47584 100644
--- a/drivers/net/irda/vlsi_ir.c
+++ b/drivers/net/irda/vlsi_ir.c
@@ -1678,7 +1678,7 @@ vlsi_irda_probe(struct pci_dev *pdev, const struct pci_device_id *id)
IRDA_WARNING("%s: failed to create proc entry\n",
__func__);
} else {
- ent->size = 0;
+ proc_set_size(ent, 0);
}
idev->proc_entry = ent;
}
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 66e398d..21d0233 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -4507,73 +4507,63 @@ static int setup_proc_entry( struct net_device *dev,
airo_entry);
if (!apriv->proc_entry)
goto fail;
- apriv->proc_entry->uid = proc_kuid;
- apriv->proc_entry->gid = proc_kgid;
+ proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
/* Setup the StatsDelta */
entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
apriv->proc_entry, &proc_statsdelta_ops, dev);
if (!entry)
goto fail_stats_delta;
- entry->uid = proc_kuid;
- entry->gid = proc_kgid;
+ proc_set_user(entry, proc_kuid, proc_kgid);
/* Setup the Stats */
entry = proc_create_data("Stats", S_IRUGO & proc_perm,
apriv->proc_entry, &proc_stats_ops, dev);
if (!entry)
goto fail_stats;
- entry->uid = proc_kuid;
- entry->gid = proc_kgid;
+ proc_set_user(entry, proc_kuid, proc_kgid);
/* Setup the Status */
entry = proc_create_data("Status", S_IRUGO & proc_perm,
apriv->proc_entry, &proc_status_ops, dev);
if (!entry)
goto fail_status;
- entry->uid = proc_kuid;
- entry->gid = proc_kgid;
+ proc_set_user(entry, proc_kuid, proc_kgid);
/* Setup the Config */
entry = proc_create_data("Config", proc_perm,
apriv->proc_entry, &proc_config_ops, dev);
if (!entry)
goto fail_config;
- entry->uid = proc_kuid;
- entry->gid = proc_kgid;
+ proc_set_user(entry, proc_kuid, proc_kgid);
/* Setup the SSID */
entry = proc_create_data("SSID", proc_perm,
apriv->proc_entry, &proc_SSID_ops, dev);
if (!entry)
goto fail_ssid;
- entry->uid = proc_kuid;
- entry->gid = proc_kgid;
+ proc_set_user(entry, proc_kuid, proc_kgid);
/* Setup the APList */
entry = proc_create_data("APList", proc_perm,
apriv->proc_entry, &proc_APList_ops, dev);
if (!entry)
goto fail_aplist;
- entry->uid = proc_kuid;
- entry->gid = proc_kgid;
+ proc_set_user(entry, proc_kuid, proc_kgid);
/* Setup the BSSList */
entry = proc_create_data("BSSList", proc_perm,
apriv->proc_entry, &proc_BSSList_ops, dev);
if (!entry)
goto fail_bsslist;
- entry->uid = proc_kuid;
- entry->gid = proc_kgid;
+ proc_set_user(entry, proc_kuid, proc_kgid);
/* Setup the WepKey */
entry = proc_create_data("WepKey", proc_perm,
apriv->proc_entry, &proc_wepkey_ops, dev);
if (!entry)
goto fail_wepkey;
- entry->uid = proc_kuid;
- entry->gid = proc_kgid;
-
+ proc_set_user(entry, proc_kuid, proc_kgid);
return 0;
fail_wepkey:
@@ -5695,10 +5685,8 @@ static int __init airo_init_module( void )
airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
- if (airo_entry) {
- airo_entry->uid = proc_kuid;
- airo_entry->gid = proc_kgid;
- }
+ if (airo_entry)
+ proc_set_user(airo_entry, proc_kuid, proc_kgid);
for (i = 0; i < 4 && io[i] && irq[i]; i++) {
airo_print_info("", "Trying to configure ISA adapter at irq=%d "
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 12e4fb5..7cde7c1 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -419,7 +419,7 @@ int pci_proc_attach_device(struct pci_dev *dev)
&proc_bus_pci_operations, dev);
if (!e)
return -ENOMEM;
- e->size = dev->cfg_size;
+ proc_set_size(e, dev->cfg_size);
dev->procent = e;
return 0;
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 1c07cad..5f6f6c3 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -498,6 +498,19 @@ out:
return NULL;
}
EXPORT_SYMBOL(proc_create_data);
+
+void proc_set_size(struct proc_dir_entry *de, loff_t size)
+{
+ de->size = size;
+}
+EXPORT_SYMBOL(proc_set_size);
+
+void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid)
+{
+ de->uid = uid;
+ de->gid = gid;
+}
+EXPORT_SYMBOL(proc_set_user);
static void free_proc_entry(struct proc_dir_entry *de)
{
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 805edac..28a4d7e 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -130,6 +130,9 @@ static inline struct proc_dir_entry *proc_create(const char *name, umode_t mode,
extern struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name,
struct proc_dir_entry *parent);
+extern void proc_set_size(struct proc_dir_entry *, loff_t);
+extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
+
extern struct file *proc_ns_fget(int fd);
extern bool proc_ns_inode(struct inode *inode);
@@ -158,6 +161,8 @@ static inline struct proc_dir_entry *proc_mkdir(const char *name,
struct proc_dir_entry *parent) {return NULL;}
static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
umode_t mode, struct proc_dir_entry *parent) { return NULL; }
+static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {}
+static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {}
struct tty_driver;
static inline void proc_tty_register_driver(struct tty_driver *driver) {};
diff --git a/kernel/configs.c b/kernel/configs.c
index 42e8fa0..c18b1f1 100644
--- a/kernel/configs.c
+++ b/kernel/configs.c
@@ -79,7 +79,7 @@ static int __init ikconfig_init(void)
if (!entry)
return -ENOMEM;
- entry->size = kernel_config_data_size;
+ proc_set_size(entry, kernel_config_data_size);
return 0;
}
diff --git a/kernel/profile.c b/kernel/profile.c
index 524ce5e..0bf4007 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -600,7 +600,7 @@ int __ref create_proc_profile(void) /* false positive from hotcpu_notifier */
NULL, &proc_profile_operations);
if (!entry)
return 0;
- entry->size = (1+prof_len) * sizeof(atomic_t);
+ proc_set_size(entry, (1 + prof_len) * sizeof(atomic_t));
hotcpu_notifier(profile_cpu_callback, 0);
return 0;
}
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 3db2d38..1e657cf 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -401,8 +401,7 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
ret = -ENOMEM;
goto out;
}
- pde->uid = uid;
- pde->gid = gid;
+ proc_set_user(pde, uid, gid);
#endif
spin_lock_bh(&recent_lock);
list_add_tail(&t->list, &recent_net->tables);
diff --git a/sound/core/info.c b/sound/core/info.c
index 3aa8864..c7f41c3 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -970,7 +970,7 @@ int snd_info_register(struct snd_info_entry * entry)
mutex_unlock(&info_mutex);
return -ENOMEM;
}
- p->size = entry->size;
+ proc_set_size(p, entry->size);
}
entry->p = p;
if (entry->parent)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists