forked from pool/psmisc
Work on bsc#1194172
OBS-URL: https://build.opensuse.org/package/show/Base:System/psmisc?expand=0&rev=138
This commit is contained in:
parent
c53acbc14b
commit
3269f8ae05
@ -1,6 +1,6 @@
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From bfa17afa43fc1b98c2bbc9c54416db9ccb505028 Mon Sep 17 00:00:00 2001
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From fe73905beaf1f7a7ec5a5c2796031987e5336fd7 Mon Sep 17 00:00:00 2001
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From: Werner Fink <werner@suse.de>
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Date: Fri, 7 May 2021 16:25:13 +0200
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Date: Tue, 1 Feb 2022 13:15:39 +0100
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Subject: [PATCH] Use mountinfo to be able to use the mount identity
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which allows to distinguish different mounts with the
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@ -22,13 +22,16 @@ such as qcow2 files. Patch from Ali Abdallah <ali.abdallah@suse.com>
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Correct last change by using our own namespace to
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determine the appropriate mount ID for e.g. qcow2 files.
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Determine the namespace of a process only once to speed
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up the parsing of fdinfo.
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Signed-off-by: Werner Fink <werner@suse.de>
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---
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configure.ac | 15 +-
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src/fuser.c | 683 +++++++++++++++++++++++++++++++++++++++-----------
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src/fuser.c | 701 +++++++++++++++++++++++++++++++++++++++-----------
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src/fuser.h | 25 +-
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src/timeout.c | 5 +-
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4 files changed, 567 insertions(+), 161 deletions(-)
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4 files changed, 585 insertions(+), 161 deletions(-)
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diff --git configure.ac configure.ac
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index 182a0df..d4dee51 100644
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@ -64,7 +67,7 @@ index 182a0df..d4dee51 100644
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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diff --git src/fuser.c src/fuser.c
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index 03e6237..dd928d2 100644
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index 03e6237..79d44ef 100644
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--- src/fuser.c
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+++ src/fuser.c
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@@ -32,6 +32,8 @@
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@ -98,7 +101,7 @@ index 03e6237..dd928d2 100644
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static void atexit_clear_unix_cache();
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static dev_t find_net_dev(void);
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static void scan_procs(struct names *names_head, struct inode_list *ino_head,
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@@ -117,9 +119,15 @@ static void debug_match_lists(struct names *names_head,
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@@ -117,9 +119,16 @@ static void debug_match_lists(struct names *names_head,
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struct device_list *dev_head);
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#endif
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@ -106,8 +109,9 @@ index 03e6237..dd928d2 100644
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+static list_t mntinfo = { &mntinfo, &mntinfo };
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static void clear_mntinfo(void) __attribute__ ((__destructor__));
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static void init_mntinfo(void) __attribute__ ((__constructor__));
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+static int get_fdinfo(const pid_t pid, const char *fd, struct fdinfo *info);
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+static int get_fdinfo(const pid_t pid, const char *fd, struct fdinfo *info, const ino_t ns);
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+#if defined(HAS_NAME_TO_HANDLE_AT)
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+static ino_t get_namespace(const pid_t pid);
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+static int get_mountid(const char *path);
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+#endif
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+static int find_mountpoint(const char *path, mntinfo_t **mountinfo);
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@ -115,7 +119,7 @@ index 03e6237..dd928d2 100644
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static int mntstat(const char *path, struct stat *buf);
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#endif
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static stat_t thestat = stat;
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@@ -210,6 +218,7 @@ scan_procs(struct names *names_head, struct inode_list *ino_head,
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@@ -210,6 +219,7 @@ scan_procs(struct names *names_head, struct inode_list *ino_head,
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struct stat *cwd_stat = NULL;
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struct stat *exe_stat = NULL;
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struct stat *root_stat = NULL;
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@ -123,7 +127,7 @@ index 03e6237..dd928d2 100644
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if (topproc_dent->d_name[0] < '0' || topproc_dent->d_name[0] > '9') /* Not a process */
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continue;
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@@ -219,9 +228,9 @@ scan_procs(struct names *names_head, struct inode_list *ino_head,
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@@ -219,9 +229,9 @@ scan_procs(struct names *names_head, struct inode_list *ino_head,
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continue;
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uid = getpiduid(pid);
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@ -136,7 +140,7 @@ index 03e6237..dd928d2 100644
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cwd_dev = cwd_stat ? cwd_stat->st_dev : 0;
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exe_dev = exe_stat ? exe_stat->st_dev : 0;
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root_dev = root_stat ? root_stat->st_dev : 0;
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@@ -229,39 +238,51 @@ scan_procs(struct names *names_head, struct inode_list *ino_head,
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@@ -229,39 +239,51 @@ scan_procs(struct names *names_head, struct inode_list *ino_head,
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/* Scan the devices */
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for (dev_tmp = dev_head; dev_tmp != NULL;
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dev_tmp = dev_tmp->next) {
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@ -203,7 +207,7 @@ index 03e6237..dd928d2 100644
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if (cwd_stat
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&& cwd_stat->st_dev == ino_tmp->device
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&& cwd_stat->st_ino == ino_tmp->inode)
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@@ -302,18 +323,42 @@ add_inode(struct inode_list **ino_list, struct names *this_name,
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@@ -302,18 +324,42 @@ add_inode(struct inode_list **ino_list, struct names *this_name,
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ino_tmp->name = this_name;
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ino_tmp->device = device;
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ino_tmp->inode = inode;
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@ -247,7 +251,7 @@ index 03e6237..dd928d2 100644
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if ((dev_tmp =
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(struct device_list *)malloc(sizeof(struct device_list))) == NULL)
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@@ -321,6 +366,10 @@ add_device(struct device_list **dev_list, struct names *this_name, dev_t device)
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@@ -321,6 +367,10 @@ add_device(struct device_list **dev_list, struct names *this_name, dev_t device)
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dev_head = *dev_list;
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dev_tmp->name = this_name;
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dev_tmp->device = device;
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@ -258,7 +262,7 @@ index 03e6237..dd928d2 100644
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dev_tmp->next = dev_head;
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*dev_list = dev_tmp;
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}
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@@ -462,13 +511,15 @@ add_special_proc(struct names *name_list, const char ptype, const uid_t uid,
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@@ -462,13 +512,15 @@ add_special_proc(struct names *name_list, const char ptype, const uid_t uid,
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int parse_file(struct names *this_name, struct inode_list **ino_list,
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const opt_type opts)
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{
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@ -275,7 +279,7 @@ index 03e6237..dd928d2 100644
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if (errno == ENOENT)
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fprintf(stderr,
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_("Specified filename %s does not exist.\n"),
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@@ -478,10 +529,12 @@ int parse_file(struct names *this_name, struct inode_list **ino_list,
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@@ -478,10 +530,12 @@ int parse_file(struct names *this_name, struct inode_list **ino_list,
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this_name->filename, strerror(errno));
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return -1;
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}
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@ -290,7 +294,7 @@ index 03e6237..dd928d2 100644
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#endif /* DEBUG */
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add_inode(ino_list, this_name, this_name->st.st_dev,
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this_name->st.st_ino);
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@@ -513,12 +566,43 @@ parse_mounts(struct names *this_name, struct device_list **dev_list,
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@@ -513,12 +567,43 @@ parse_mounts(struct names *this_name, struct device_list **dev_list,
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const opt_type opts)
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{
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dev_t match_device;
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@ -335,7 +339,7 @@ index 03e6237..dd928d2 100644
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return 0;
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}
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@@ -695,10 +779,12 @@ int parse_inet(struct names *this_name, struct ip_connections **ip_list)
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@@ -695,10 +780,12 @@ int parse_inet(struct names *this_name, struct ip_connections **ip_list)
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break;
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#endif
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}
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@ -351,7 +355,7 @@ index 03e6237..dd928d2 100644
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}
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return 1;
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}
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@@ -965,6 +1051,21 @@ free_inodes(struct inode_list **match_inodes)
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@@ -965,6 +1052,21 @@ free_inodes(struct inode_list **match_inodes)
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/*
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* Free up structures allocated in add_device
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*/
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@ -373,7 +377,7 @@ index 03e6237..dd928d2 100644
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static void
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free_devices(struct device_list **match_devices)
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{
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@@ -972,6 +1073,8 @@ free_devices(struct device_list **match_devices)
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@@ -972,6 +1074,8 @@ free_devices(struct device_list **match_devices)
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device_tmp = *match_devices;
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while(device_tmp != NULL) {
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@ -382,7 +386,7 @@ index 03e6237..dd928d2 100644
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device_next = device_tmp->next;
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free(device_tmp);
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device_tmp = device_next;
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@@ -1174,16 +1277,11 @@ int main(int argc, char *argv[])
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@@ -1174,16 +1278,11 @@ int main(int argc, char *argv[])
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skip_argv = 1;
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//while(option != '\0') option++;
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if (strcmp(argv[argc_cnt], "tcp") == 0)
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@ -404,7 +408,7 @@ index 03e6237..dd928d2 100644
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else
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usage(_
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("Invalid namespace name"));
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@@ -1223,7 +1321,7 @@ int main(int argc, char *argv[])
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@@ -1223,7 +1322,7 @@ int main(int argc, char *argv[])
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}
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#if defined(WITH_MOUNTINFO_LIST)
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@ -413,7 +417,7 @@ index 03e6237..dd928d2 100644
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thestat = mntstat;
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#endif
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/* an option */
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@@ -1537,7 +1635,7 @@ print_matches(struct names *names_head, const opt_type opts,
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@@ -1537,7 +1636,7 @@ print_matches(struct names *names_head, const opt_type opts,
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}
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@ -422,7 +426,7 @@ index 03e6237..dd928d2 100644
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{
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char pathname[PATH_MAX];
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struct stat *st;
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@@ -1549,6 +1647,15 @@ static struct stat *get_pidstat(const pid_t pid, const char *filename)
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@@ -1549,6 +1648,15 @@ static struct stat *get_pidstat(const pid_t pid, const char *filename)
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free(st);
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return NULL;
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}
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@ -438,7 +442,7 @@ index 03e6237..dd928d2 100644
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return st;
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}
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@@ -1563,7 +1670,7 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
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@@ -1563,10 +1671,11 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
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struct inode_list *ino_tmp;
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struct device_list *dev_tmp;
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struct unixsocket_list *sock_tmp;
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@ -447,7 +451,24 @@ index 03e6237..dd928d2 100644
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char *dirpath;
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char filepath[PATH_MAX];
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char real_filepath[PATH_MAX];
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@@ -1589,6 +1696,9 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
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+ ino_t ns;
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if (asprintf(&dirpath, "/proc/%d/%s", pid, dirname) < 0)
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return;
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@@ -1576,6 +1685,12 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
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}
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free(dirpath);
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+#if defined(HAS_NAME_TO_HANDLE_AT)
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+ ns = get_namespace(pid);
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+#else
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+ ns = -1;
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+#endif
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+
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while ((direntry = readdir(dirp)) != NULL) {
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if (direntry->d_name[0] < '0' || direntry->d_name[0] > '9')
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continue;
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@@ -1589,6 +1704,9 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
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filepath, strerror(errno));
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}
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} else {
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@ -457,13 +478,13 @@ index 03e6237..dd928d2 100644
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thedev = st.st_dev;
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if (thedev == netdev) {
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for (sock_tmp = sockets; sock_tmp != NULL;
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@@ -1601,10 +1711,29 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
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@@ -1601,10 +1719,29 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
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}
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}
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}
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+
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+ memset(&fd, 0, sizeof(struct fdinfo));
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+ fdret = get_fdinfo(pid, direntry->d_name, &fd);
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+ fdret = get_fdinfo(pid, direntry->d_name, &fd, ns);
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+
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for (dev_tmp = dev_head; dev_tmp != NULL;
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dev_tmp = dev_tmp->next) {
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@ -489,7 +510,7 @@ index 03e6237..dd928d2 100644
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/* check the paths match if it is not a block device */
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if (! S_ISBLK(dev_tmp->name->st.st_mode)) {
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@@ -1616,9 +1745,14 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
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@@ -1616,9 +1753,14 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
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continue;
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}
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}
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@ -506,7 +527,7 @@ index 03e6237..dd928d2 100644
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add_matched_proc(dev_tmp->name,
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pid, uid,
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ACCESS_FILEWR |
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@@ -1640,9 +1774,10 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
|
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@@ -1640,9 +1782,10 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
|
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continue;
|
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}
|
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if (st.st_ino == ino_tmp->inode) {
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@ -519,7 +540,7 @@ index 03e6237..dd928d2 100644
|
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add_matched_proc(ino_tmp->name,
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pid, uid,
|
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ACCESS_FILEWR |
|
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@@ -1671,31 +1806,54 @@ check_map(const pid_t pid, const char *filename,
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@@ -1671,31 +1814,54 @@ check_map(const pid_t pid, const char *filename,
|
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FILE *fp;
|
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unsigned long long tmp_inode;
|
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unsigned int tmp_maj, tmp_min;
|
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@ -584,7 +605,7 @@ index 03e6237..dd928d2 100644
|
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}
|
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fclose(fp);
|
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}
|
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@@ -1719,6 +1877,7 @@ static uid_t getpiduid(const pid_t pid)
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@@ -1719,6 +1885,7 @@ static uid_t getpiduid(const pid_t pid)
|
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* fill_unix_cache : Create a list of Unix sockets
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* This list is used later for matching purposes
|
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*/
|
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@ -592,7 +613,7 @@ index 03e6237..dd928d2 100644
|
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void fill_unix_cache(struct unixsocket_list **unixsocket_head)
|
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{
|
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FILE *fp;
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@@ -1735,6 +1894,8 @@ void fill_unix_cache(struct unixsocket_list **unixsocket_head)
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@@ -1735,6 +1902,8 @@ void fill_unix_cache(struct unixsocket_list **unixsocket_head)
|
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while (fgets(line, BUFSIZ, fp) != NULL) {
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char *path;
|
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char *scanned_path = NULL;
|
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@ -601,7 +622,7 @@ index 03e6237..dd928d2 100644
|
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if (sscanf(line, "%*x: %*x %*x %*x %*x %*d %llu %ms",
|
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&scanned_inode, &scanned_path) != 2) {
|
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if (scanned_path)
|
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@@ -1750,6 +1911,8 @@ void fill_unix_cache(struct unixsocket_list **unixsocket_head)
|
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@@ -1750,6 +1919,8 @@ void fill_unix_cache(struct unixsocket_list **unixsocket_head)
|
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free(path);
|
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continue;
|
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}
|
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@ -610,7 +631,7 @@ index 03e6237..dd928d2 100644
|
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if ((newsocket = (struct unixsocket_list *)
|
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malloc(sizeof(struct unixsocket_list))) == NULL) {
|
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free(path);
|
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@@ -1758,6 +1921,7 @@ void fill_unix_cache(struct unixsocket_list **unixsocket_head)
|
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@@ -1758,6 +1929,7 @@ void fill_unix_cache(struct unixsocket_list **unixsocket_head)
|
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newsocket->sun_name = strdup(scanned_path);
|
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newsocket->inode = st.st_ino;
|
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newsocket->dev = st.st_dev;
|
||||
@ -618,7 +639,7 @@ index 03e6237..dd928d2 100644
|
||||
newsocket->net_inode = scanned_inode;
|
||||
newsocket->next = *unixsocket_head;
|
||||
*unixsocket_head = newsocket;
|
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@@ -1770,6 +1934,7 @@ void fill_unix_cache(struct unixsocket_list **unixsocket_head)
|
||||
@@ -1770,6 +1942,7 @@ void fill_unix_cache(struct unixsocket_list **unixsocket_head)
|
||||
/*
|
||||
* Free up the list of Unix sockets
|
||||
*/
|
||||
@ -626,7 +647,7 @@ index 03e6237..dd928d2 100644
|
||||
void clear_unix_cache(struct unixsocket_list **unixsocket_head)
|
||||
{
|
||||
while(*unixsocket_head != NULL) {
|
||||
@@ -1941,34 +2106,21 @@ scan_mounts(struct names *names_head, struct inode_list *ino_head,
|
||||
@@ -1941,34 +2114,21 @@ scan_mounts(struct names *names_head, struct inode_list *ino_head,
|
||||
{
|
||||
struct device_list *dev_tmp;
|
||||
struct inode_list *ino_tmp;
|
||||
@ -669,7 +690,7 @@ index 03e6237..dd928d2 100644
|
||||
add_special_proc(dev_tmp->name, PTYPE_MOUNT, 0,
|
||||
find_mountp);
|
||||
}
|
||||
@@ -1980,7 +2132,6 @@ scan_mounts(struct names *names_head, struct inode_list *ino_head,
|
||||
@@ -1980,7 +2140,6 @@ scan_mounts(struct names *names_head, struct inode_list *ino_head,
|
||||
find_mountp);
|
||||
}
|
||||
}
|
||||
@ -677,7 +698,7 @@ index 03e6237..dd928d2 100644
|
||||
}
|
||||
|
||||
static void
|
||||
@@ -2033,16 +2184,44 @@ scan_swaps(struct names *names_head, struct inode_list *ino_head,
|
||||
@@ -2033,16 +2192,44 @@ scan_swaps(struct names *names_head, struct inode_list *ino_head,
|
||||
fclose(fp);
|
||||
}
|
||||
|
||||
@ -726,7 +747,7 @@ index 03e6237..dd928d2 100644
|
||||
{
|
||||
list_t *ptr, *tmp;
|
||||
|
||||
@@ -2053,72 +2232,276 @@ static void clear_mntinfo(void)
|
||||
@@ -2053,72 +2240,286 @@ static void clear_mntinfo(void)
|
||||
}
|
||||
}
|
||||
|
||||
@ -817,10 +838,10 @@ index 03e6237..dd928d2 100644
|
||||
+}
|
||||
+
|
||||
+static int
|
||||
+get_fdinfo(const pid_t pid, const char *fd, struct fdinfo *info)
|
||||
+get_fdinfo(const pid_t pid, const char *fd, struct fdinfo *info, const ino_t ns)
|
||||
+{
|
||||
+ int ret = 0;
|
||||
+ char pathname[256];
|
||||
+ char pathname[512];
|
||||
+ int mnt_id = 0, flags = 0;
|
||||
+#if defined(HAS_FDINFO) /* Here we get the private namespace as well */
|
||||
+ const static char delimiters[] = ": \t\n";
|
||||
@ -839,7 +860,7 @@ index 03e6237..dd928d2 100644
|
||||
+ mynamespace = st.st_ino;
|
||||
+ }
|
||||
+# endif
|
||||
+ snprintf(pathname, 256, "/proc/%d/fdinfo/%s", pid, fd);
|
||||
+ snprintf(pathname, sizeof(pathname)-1, "/proc/%d/fdinfo/%s", pid, fd);
|
||||
+ if ((fp = fopen(pathname, "r")) == NULL)
|
||||
+ goto out; /* forbidden namesspace, try our own namespace */
|
||||
+ while (fgets(line, BUFSIZ, fp) && ret < 2) {
|
||||
@ -865,10 +886,9 @@ index 03e6237..dd928d2 100644
|
||||
+ fclose(fp);
|
||||
+out:
|
||||
+# if defined(HAS_NAME_TO_HANDLE_AT)
|
||||
+ snprintf(pathname, 256, "/proc/%d/ns/mnt", pid);
|
||||
+ if (stat(pathname, &st) == 0 && mynamespace != st.st_ino) {
|
||||
+ if (mynamespace != ns) {
|
||||
+ char *realname;
|
||||
+ snprintf(pathname, 256, "/proc/%d/fd/%s", pid, fd);
|
||||
+ snprintf(pathname, sizeof(pathname)-1, "/proc/%d/fd/%s", pid, fd);
|
||||
+ realname = expandpath(pathname);
|
||||
+ if (realname) { /* Use our namespace for mount ID <sigh> */
|
||||
+ info->mnt_id = get_mountid(realname);
|
||||
@ -880,7 +900,7 @@ index 03e6237..dd928d2 100644
|
||||
+ if (!flags || !mnt_id) {
|
||||
+ struct stat lst;
|
||||
+
|
||||
+ snprintf(pathname, 256, "/proc/%d/fd/%s", pid, fd);
|
||||
+ snprintf(pathname, sizeof(pathname)-1, "/proc/%d/fd/%s", pid, fd);
|
||||
+ if (!flags && lstat(pathname, &lst) == 0) {
|
||||
+ if (lst.st_mode & S_IWUSR)
|
||||
+ info->flags |= O_WRONLY;
|
||||
@ -900,13 +920,19 @@ index 03e6237..dd928d2 100644
|
||||
+ }
|
||||
+ return ret == 2 ? 0 : -1;
|
||||
+}
|
||||
|
||||
- /* Sort mount points accordingly to the reverse mount order */
|
||||
- initial(&sort);
|
||||
- for (mid = 1; mid <= max; mid++) {
|
||||
- list_t *ptr, *tmp;
|
||||
- list_for_each_safe(ptr, tmp, &mntinfo) {
|
||||
+
|
||||
+#if defined(HAS_NAME_TO_HANDLE_AT)
|
||||
+static ino_t
|
||||
+get_namespace(const pid_t pid)
|
||||
+{
|
||||
+ char pathname[512];
|
||||
+ struct stat st;
|
||||
+ snprintf(pathname, sizeof(pathname)-1, "/proc/%d/ns/mnt", pid);
|
||||
+ if (stat(pathname, &st) == 0)
|
||||
+ return st.st_ino;
|
||||
+ return -1;
|
||||
+}
|
||||
+
|
||||
+static int
|
||||
+get_mountid(const char *path)
|
||||
+{
|
||||
@ -938,7 +964,12 @@ index 03e6237..dd928d2 100644
|
||||
+#if defined(HAS_NAME_TO_HANDLE_AT)
|
||||
+ if (mnt_id >= 0) {
|
||||
+ list_t *ptr;
|
||||
+
|
||||
|
||||
- /* Sort mount points accordingly to the reverse mount order */
|
||||
- initial(&sort);
|
||||
- for (mid = 1; mid <= max; mid++) {
|
||||
- list_t *ptr, *tmp;
|
||||
- list_for_each_safe(ptr, tmp, &mntinfo) {
|
||||
+ errno = ENOENT;
|
||||
+ list_for_each(ptr, &mntinfo) {
|
||||
mntinfo_t *mnt = list_entry(ptr, mntinfo_t);
|
||||
@ -1016,11 +1047,11 @@ index 03e6237..dd928d2 100644
|
||||
- if (mid != mnt->parid)
|
||||
+
|
||||
+ if (nlen != mnt->nlen)
|
||||
continue;
|
||||
- move_head(ptr, &sort);
|
||||
+ continue;
|
||||
+
|
||||
+ if (strcmp(use, mnt->mpoint))
|
||||
+ continue;
|
||||
continue;
|
||||
- move_head(ptr, &sort);
|
||||
+
|
||||
+ ret = 0;
|
||||
+ errno = 0;
|
||||
@ -1047,7 +1078,7 @@ index 03e6237..dd928d2 100644
|
||||
/*
|
||||
* Determine device of links below /proc/
|
||||
*/
|
||||
@@ -2126,8 +2509,7 @@ static int mntstat(const char *path, struct stat *buf)
|
||||
@@ -2126,8 +2527,7 @@ static int mntstat(const char *path, struct stat *buf)
|
||||
{
|
||||
char name[PATH_MAX + 1];
|
||||
const char *use;
|
||||
@ -1057,7 +1088,7 @@ index 03e6237..dd928d2 100644
|
||||
|
||||
if ((use = realpath(path, name)) == NULL || *use != '/')
|
||||
{
|
||||
@@ -2139,27 +2521,26 @@ static int mntstat(const char *path, struct stat *buf)
|
||||
@@ -2139,27 +2539,26 @@ static int mntstat(const char *path, struct stat *buf)
|
||||
errno = 0;
|
||||
return stat(path, buf);
|
||||
}
|
||||
|
@ -1,6 +1,6 @@
|
||||
From f2ada8ea7939bc8f607d88a10c92d5bb96a700b8 Mon Sep 17 00:00:00 2001
|
||||
From ab950c00ff36acf1731330f3b55863b3102cfe6a Mon Sep 17 00:00:00 2001
|
||||
From: Werner Fink <werner@suse.de>
|
||||
Date: Fri, 7 May 2021 16:36:28 +0200
|
||||
Date: Tue, 1 Feb 2022 13:34:41 +0100
|
||||
Subject: [PATCH] Use new statx(2) system call to avoid hangs on NFS
|
||||
|
||||
Signed-off-by: Werner Fink <werner@suse.de>
|
||||
@ -90,7 +90,7 @@ index d4dee51..eda0e62 100644
|
||||
# Enable hardened compile and link flags
|
||||
AC_ARG_ENABLE([harden_flags],
|
||||
diff --git src/fuser.c src/fuser.c
|
||||
index dd928d2..d08f7a9 100644
|
||||
index 79d44ef..21b4695 100644
|
||||
--- src/fuser.c
|
||||
+++ src/fuser.c
|
||||
@@ -65,7 +65,7 @@
|
||||
@ -102,7 +102,7 @@ index dd928d2..d08f7a9 100644
|
||||
#include "comm.h"
|
||||
|
||||
//#define DEBUG 1
|
||||
@@ -127,10 +127,6 @@ static int get_fdinfo(const pid_t pid, const char *fd, struct fdinfo *info);
|
||||
@@ -128,10 +128,6 @@ static ino_t get_namespace(const pid_t pid);
|
||||
static int get_mountid(const char *path);
|
||||
#endif
|
||||
static int find_mountpoint(const char *path, mntinfo_t **mountinfo);
|
||||
@ -113,7 +113,7 @@ index dd928d2..d08f7a9 100644
|
||||
static char *expandpath(const char *path);
|
||||
static struct unixsocket_list *unixsockets = NULL;
|
||||
static struct names *names_head = NULL, *names_tail = NULL;
|
||||
@@ -518,7 +514,7 @@ int parse_file(struct names *this_name, struct inode_list **ino_list,
|
||||
@@ -519,7 +515,7 @@ int parse_file(struct names *this_name, struct inode_list **ino_list,
|
||||
free(this_name->filename);
|
||||
this_name->filename = strdup(new);
|
||||
}
|
||||
@ -122,7 +122,7 @@ index dd928d2..d08f7a9 100644
|
||||
find_mountpoint(this_name->filename, &mountinfo) != 0) {
|
||||
if (errno == ENOENT)
|
||||
fprintf(stderr,
|
||||
@@ -1252,9 +1248,7 @@ int main(int argc, char *argv[])
|
||||
@@ -1253,9 +1249,7 @@ int main(int argc, char *argv[])
|
||||
opts |= OPT_INTERACTIVE;
|
||||
break;
|
||||
case 'I':
|
||||
@ -132,7 +132,7 @@ index dd928d2..d08f7a9 100644
|
||||
break;
|
||||
case 'k':
|
||||
opts |= OPT_KILL;
|
||||
@@ -1320,10 +1314,11 @@ int main(int argc, char *argv[])
|
||||
@@ -1321,10 +1315,11 @@ int main(int argc, char *argv[])
|
||||
continue;
|
||||
}
|
||||
|
||||
@ -147,7 +147,7 @@ index dd928d2..d08f7a9 100644
|
||||
/* an option */
|
||||
/* Not an option, must be a file specification */
|
||||
if ((this_name = malloc(sizeof(struct names))) == NULL)
|
||||
@@ -1643,7 +1638,7 @@ static struct stat *get_pidstat(const pid_t pid, const char *filename, int *id)
|
||||
@@ -1644,7 +1639,7 @@ static struct stat *get_pidstat(const pid_t pid, const char *filename, int *id)
|
||||
if ((st = (struct stat *)malloc(sizeof(struct stat))) == NULL)
|
||||
return NULL;
|
||||
snprintf(pathname, PATH_MAX-1, "/proc/%d/%s", pid, filename);
|
||||
@ -156,7 +156,7 @@ index dd928d2..d08f7a9 100644
|
||||
free(st);
|
||||
return NULL;
|
||||
}
|
||||
@@ -1690,7 +1685,7 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
|
||||
@@ -1698,7 +1693,7 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
|
||||
snprintf(filepath, sizeof filepath - 1, "/proc/%d/%s/%s",
|
||||
pid, dirname, direntry->d_name);
|
||||
|
||||
@ -165,7 +165,7 @@ index dd928d2..d08f7a9 100644
|
||||
if (errno != ENOENT && errno != ENOTDIR) {
|
||||
fprintf(stderr, _("Cannot stat file %s: %s\n"),
|
||||
filepath, strerror(errno));
|
||||
@@ -1767,7 +1762,7 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
|
||||
@@ -1775,7 +1770,7 @@ check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head,
|
||||
if (thedev != ino_tmp->device)
|
||||
continue;
|
||||
if (!st.st_ino
|
||||
@ -174,7 +174,7 @@ index dd928d2..d08f7a9 100644
|
||||
fprintf(stderr,
|
||||
_("Cannot stat file %s: %s\n"),
|
||||
filepath, strerror(errno));
|
||||
@@ -1865,11 +1860,11 @@ static uid_t getpiduid(const pid_t pid)
|
||||
@@ -1873,11 +1868,11 @@ static uid_t getpiduid(const pid_t pid)
|
||||
|
||||
if (asprintf(&pathname, "/proc/%d", pid) < 0)
|
||||
return 0;
|
||||
@ -190,7 +190,7 @@ index dd928d2..d08f7a9 100644
|
||||
return st.st_uid;
|
||||
}
|
||||
|
||||
@@ -1907,7 +1902,7 @@ void fill_unix_cache(struct unixsocket_list **unixsocket_head)
|
||||
@@ -1915,7 +1910,7 @@ void fill_unix_cache(struct unixsocket_list **unixsocket_head)
|
||||
path = scanned_path;
|
||||
if (*scanned_path == '@')
|
||||
scanned_path++;
|
||||
@ -199,7 +199,7 @@ index dd928d2..d08f7a9 100644
|
||||
free(path);
|
||||
continue;
|
||||
}
|
||||
@@ -2042,7 +2037,7 @@ static dev_t find_net_dev(void)
|
||||
@@ -2050,7 +2045,7 @@ static dev_t find_net_dev(void)
|
||||
fprintf(stderr, _("Cannot open a network socket.\n"));
|
||||
return -1;
|
||||
}
|
||||
@ -208,7 +208,7 @@ index dd928d2..d08f7a9 100644
|
||||
fprintf(stderr, _("Cannot find socket's device number.\n"));
|
||||
close(skt);
|
||||
return -1;
|
||||
@@ -2079,7 +2074,7 @@ scan_knfsd(struct names *names_head, struct inode_list *ino_head,
|
||||
@@ -2087,7 +2082,7 @@ scan_knfsd(struct names *names_head, struct inode_list *ino_head,
|
||||
if ((find_space = strpbrk(line, " \t")) == NULL)
|
||||
continue;
|
||||
*find_space = '\0';
|
||||
@ -217,7 +217,7 @@ index dd928d2..d08f7a9 100644
|
||||
continue;
|
||||
}
|
||||
/* Scan the devices */
|
||||
@@ -2113,7 +2108,7 @@ scan_mounts(struct names *names_head, struct inode_list *ino_head,
|
||||
@@ -2121,7 +2116,7 @@ scan_mounts(struct names *names_head, struct inode_list *ino_head,
|
||||
mntinfo_t *mnt = list_entry(ptr, mntinfo_t);
|
||||
const char *find_mountp = mnt->mpoint;
|
||||
|
||||
@ -226,7 +226,7 @@ index dd928d2..d08f7a9 100644
|
||||
continue;
|
||||
|
||||
/* Scan the devices */
|
||||
@@ -2163,7 +2158,7 @@ scan_swaps(struct names *names_head, struct inode_list *ino_head,
|
||||
@@ -2171,7 +2166,7 @@ scan_swaps(struct names *names_head, struct inode_list *ino_head,
|
||||
if (*find_space == '\0')
|
||||
continue;
|
||||
}
|
||||
@ -235,7 +235,7 @@ index dd928d2..d08f7a9 100644
|
||||
continue;
|
||||
}
|
||||
/* Scan the devices */
|
||||
@@ -2260,10 +2255,10 @@ init_mntinfo(void)
|
||||
@@ -2268,10 +2263,10 @@ init_mntinfo(void)
|
||||
&mid, &parid, &maj, &min, &mpoint[0], &type[0], &devname[0]) == 7) {
|
||||
struct stat st;
|
||||
mntinf = add_mntinfo(mpoint, type, mid, parid, makedev(maj, min));
|
||||
@ -248,7 +248,7 @@ index dd928d2..d08f7a9 100644
|
||||
mntinf->dev = st.st_dev; /* stat(2) on binary does not see subvol dev */
|
||||
}
|
||||
}
|
||||
@@ -2275,7 +2270,7 @@ init_mntinfo(void)
|
||||
@@ -2283,7 +2278,7 @@ init_mntinfo(void)
|
||||
parid = -1;
|
||||
while (fscanf (mnt, "%s %s %s %*[^\n]", &devname[0], &mpoint[0], &type[0]) == 3) {
|
||||
struct stat st;
|
||||
@ -257,7 +257,7 @@ index dd928d2..d08f7a9 100644
|
||||
if (errno != EACCES) {
|
||||
fprintf(stderr, _("Cannot stat %s: %s\n"),
|
||||
mpoint, strerror(errno));
|
||||
@@ -2284,7 +2279,7 @@ init_mntinfo(void)
|
||||
@@ -2292,7 +2287,7 @@ init_mntinfo(void)
|
||||
st.st_dev = (dev_t)-1;
|
||||
}
|
||||
mntinf = add_mntinfo(mpoint, type, mid++, parid, st.st_dev);
|
||||
@ -266,7 +266,7 @@ index dd928d2..d08f7a9 100644
|
||||
if (st.st_rdev != 0 && mntinf->dev != st.st_rdev)
|
||||
mntinf->vol = st.st_rdev;
|
||||
}
|
||||
@@ -2308,7 +2303,7 @@ get_fdinfo(const pid_t pid, const char *fd, struct fdinfo *info)
|
||||
@@ -2316,7 +2311,7 @@ get_fdinfo(const pid_t pid, const char *fd, struct fdinfo *info, const ino_t ns)
|
||||
struct stat st;
|
||||
|
||||
if (!mynamespace) {
|
||||
@ -275,25 +275,25 @@ index dd928d2..d08f7a9 100644
|
||||
fprintf(stderr, _("Cannot stat %s: %s\n"),
|
||||
"/proc/self/ns/mnt", strerror(errno));
|
||||
exit(1);
|
||||
@@ -2343,7 +2338,7 @@ get_fdinfo(const pid_t pid, const char *fd, struct fdinfo *info)
|
||||
out:
|
||||
# if defined(HAS_NAME_TO_HANDLE_AT)
|
||||
snprintf(pathname, 256, "/proc/%d/ns/mnt", pid);
|
||||
- if (stat(pathname, &st) == 0 && mynamespace != st.st_ino) {
|
||||
+ if (statn(pathname, STATX_INO, &st) == 0 && mynamespace != st.st_ino) {
|
||||
char *realname;
|
||||
snprintf(pathname, 256, "/proc/%d/fd/%s", pid, fd);
|
||||
realname = expandpath(pathname);
|
||||
@@ -2358,7 +2353,7 @@ out:
|
||||
@@ -2365,7 +2360,7 @@ out:
|
||||
struct stat lst;
|
||||
|
||||
snprintf(pathname, 256, "/proc/%d/fd/%s", pid, fd);
|
||||
snprintf(pathname, sizeof(pathname)-1, "/proc/%d/fd/%s", pid, fd);
|
||||
- if (!flags && lstat(pathname, &lst) == 0) {
|
||||
+ if (!flags && lstatn(pathname, STATX_MODE, &lst) == 0) {
|
||||
if (lst.st_mode & S_IWUSR)
|
||||
info->flags |= O_WRONLY;
|
||||
ret++;
|
||||
@@ -2431,7 +2426,7 @@ find_mountpoint(const char *path, mntinfo_t **mountinfo)
|
||||
@@ -2392,7 +2387,7 @@ get_namespace(const pid_t pid)
|
||||
char pathname[512];
|
||||
struct stat st;
|
||||
snprintf(pathname, sizeof(pathname)-1, "/proc/%d/ns/mnt", pid);
|
||||
- if (stat(pathname, &st) == 0)
|
||||
+ if (statn(pathname, STATX_INO, &st) == 0)
|
||||
return st.st_ino;
|
||||
return -1;
|
||||
}
|
||||
@@ -2449,7 +2444,7 @@ find_mountpoint(const char *path, mntinfo_t **mountinfo)
|
||||
|
||||
/* could be a chroot or a container */
|
||||
|
||||
@ -302,7 +302,7 @@ index dd928d2..d08f7a9 100644
|
||||
if (errno != EACCES) {
|
||||
fprintf(stderr, _("Cannot stat %s: %s\n"),
|
||||
path, strerror(errno));
|
||||
@@ -2463,7 +2458,7 @@ find_mountpoint(const char *path, mntinfo_t **mountinfo)
|
||||
@@ -2481,7 +2476,7 @@ find_mountpoint(const char *path, mntinfo_t **mountinfo)
|
||||
|
||||
/* could be a chroot or a container */
|
||||
|
||||
@ -311,7 +311,7 @@ index dd928d2..d08f7a9 100644
|
||||
if (errno != EACCES) {
|
||||
fprintf(stderr, _("Cannot stat %s: %s\n"),
|
||||
use, strerror(errno));
|
||||
@@ -2501,49 +2496,6 @@ out:
|
||||
@@ -2519,49 +2514,6 @@ out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
@ -1,3 +1,11 @@
|
||||
-------------------------------------------------------------------
|
||||
Tue Feb 1 12:39:16 UTC 2022 - Dr. Werner Fink <werner@suse.de>
|
||||
|
||||
- Change patch 0001-Use-mountinfo-to-be-able-to-use-the-mount-identity.patch
|
||||
* Determine the namespace of a process only once to speed
|
||||
up the parsing of fdinfo (bsc#1194172).
|
||||
- Adopt patch 0002-Use-new-statx-2-system-call-to-avoid-hangs-on-NFS.patch
|
||||
|
||||
-------------------------------------------------------------------
|
||||
Thu Jan 20 13:57:13 UTC 2022 - Dr. Werner Fink <werner@suse.de>
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user