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FS#2970 - tcpdump error loading shared libraray libpcap.so.1 #7836
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hamelg: I did an upgrade yesterday : libpcap is broken. I had to add the missing link manually :(
# opkg files libpcap1
Package libpcap1 (1.9.1-2) is installed on root and has the following files:
/usr/lib/libpcap.so.0.8
/usr/lib/libpcap.so.
# ls -l /usr/lib/libpca*
-rw-r--r-- 1 root root 189648 Apr 7 15:51 /usr/lib/libpcap.so.
lrwxrwxrwx 1 root root 11 Apr 14 00:09 /usr/lib/libpcap.so.0.8 -> libpcap.so.
libcap 0.8 ???! but I installed libcap 1.9 ... Then, it causes some other kinds of breakage in other packages, for instance collectd-mod-dns :
# ldd /usr/lib/collectd/dns.so
ldd (0x77f4a000)
libz.so.1 => /usr/lib/libz.so.1 (0x77f14000)
liblua.so.5.1.5 => /usr/lib/liblua.so.5.1.5 (0x77ee4000)
libpcap.so.0.8 => /usr/lib/libpcap.so.0.8 (0x77ea4000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x77e80000)
libc.so => ldd (0x77f4a000)
Error relocating /usr/lib/collectd/dns.so: plugin_register_config: symbol not found
Error relocating /usr/lib/collectd/dns.so: plugin_get_interval: symbol not found
Error relocating /usr/lib/collectd/dns.so: plugin_log: symbol not found
Error relocating /usr/lib/collectd/dns.so: plugin_dispatch_values: symbol not found
Error relocating /usr/lib/collectd/dns.so: ssnprintf: symbol not found
Error relocating /usr/lib/collectd/dns.so: plugin_thread_create: symbol not found
Error relocating /usr/lib/collectd/dns.so: sstrerror: symbol not found
Error relocating /usr/lib/collectd/dns.so: plugin_register_init: symbol not found
Error relocating /usr/lib/collectd/dns.so: plugin_register_read: symbol not found
Error relocating /usr/lib/collectd/dns.so: sstrncpy: symbol not found
It seems this commit is the culprit : |
FrederickZh: It seems that packages in the official repo (mvebu/cortexa9, arm_cortex-a9_vfpv3) were built against libpcap1 1.9.1-2 though? My firmware was built locally and v19.07.2 branch pulled 1.9.1-1, so after |
Strasedon: I ran into this bug after updating my router (TP-Link Archer C7 V2) this morning, except I compiled my own image. I found this bug report while searching for a similar issue with iftop:
The libpcap1 package only had the files "libpcap.so." and "libpcap.so.0.8". Creating a symlink to "libpcap.so." made iftop happy, and I can report that tcpdump also runs fine. EDIT: Looking at the patch, these lines are suspect:
Building libpcap with V=sc I this in the output:
|
jow-: Should be fixed with https://git.openwrt.org/429e4490c4a325de5459b5d236633586be38cde7 Updated packages will appear within the next 24-48 hours. |
XPEH:
Hi All!
I have Asus RT-N16 with OpenWrt 19.07.2 r10947-65030d81f3 / LuCI openwrt-19.07 branch git-20.094.46635-de52000
Problem with package tcpdump:
root@asus:
# opkg list-installed | grep tcpdump# tcpdumptcpdump - 4.9.3-1
root@asus:
Error loading shared library libpcap.so.1: No such file or directory (needed by /usr/sbin/tcpdump)
Error relocating /usr/sbin/tcpdump: pcap_set_tstamp_type: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_close: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_freealldevs: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_set_snaplen: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_open_offline_with_tstamp_precision: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_dump: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_list_datalinks: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_stats: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_create: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_loop: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_datalink_val_to_name: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_datalink: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_can_set_rfmon: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_compile: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_dump_flush: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_set_promisc: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_set_buffer_size: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_open_offline: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_next_etherent: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_strerror: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_set_datalink: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_free_tstamp_types: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_dump_close: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_tstamp_type_val_to_description: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_breakloop: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_datalink_name_to_val: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_lookupnet: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_datalink_val_to_description: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_dump_open: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_snapshot: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_free_datalinks: symbol not found
Error relocating /usr/sbin/tcpdump: bpf_dump: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_tstamp_type_name_to_val: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_setdirection: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_setfilter: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_dump_ftell: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_geterr: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_set_immediate_mode: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_freecode: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_set_tstamp_precision: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_activate: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_lib_version: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_set_timeout: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_findalldevs: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_set_rfmon: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_statustostr: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_list_tstamp_types: symbol not found
Error relocating /usr/sbin/tcpdump: pcap_tstamp_type_val_to_name: symbol not found
root@asus:~#
root@asus:/# ls -alF /usr/lib/libpc*
-rw-r--r-- 1 root root 189647 Mar 30 22:36 /usr/lib/libpcap.so.
lrwxrwxrwx 1 root root 11 Apr 5 09:51 /usr/lib/libpcap.so.0.8 -> libpcap.so.
root@asus:/# opkg list-installed | grep libpcap
libpcap1 - 1.9.1-2
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