| Age | Commit message (Collapse) | Author |
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2006-07-03 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* vty.c: (vty_log_out) Debug messages to terminal vty sessions
should include timestamps.
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2006-05-28 Paul Jakma <paul.jakma@sun.com>
* vty.c: (vty_log/vty_log_fixed) dont crash if called when vty
hasn't been initiliased.
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2006-05-13 Paul Jakma <paul.jakma@sun.com>
* vty.c: (vty_describe_command) CID #39 fix was too hasty, just
cause it /can/ leak doesn't mean it always will have, check
first.
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2006-05-12 Paul Jakma <paul.jakma@sun.com>
* vty.c: (vty_describe_command) fix leak of describe vector in
error path, CID #39.
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2006-01-17 Paul Jakma <paul.jakma@sun.com>
* vty.c: (no_terminal_monitor_cmd) New ALIAS for
terminal_no_monitor, in the more normal negating format,
to be kind to my fingers.
(vty_init) install new ALIAS.
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* vty.c (vty_hello): add cast to quiet lint (from David Young)
(patch-lint)
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* command.c: Use MTYPE_HOST, MTYPE_STRVEC. Some other fixups,
including fixing some likely leaks in config_write_file.
* vty.c: memory macro usage fixes.
(vty_read_config) fix leak where relative config file is
specified.
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* lib/filer.c: show protocol name in filter_show()
* lib/plist.c: show protocol name in vty_show_prefix_entry()
* routemap.c: show protocol name in vty_show_route_map_entry()
* lib/vty.c: in vty_command(), show protocol name if command unknown
* zebra/zserv.c: Always provide distance fo route add
* ripd/rip_snmp.c: rip2IfConfReceive() sends values in conformance
with RFC. Also PeerDomain is now set to a STRING type.
* ripd/ripd.h: rip_redistribute_add() API includes metric and distance
* ripd/ripd.c: rip_redistribute_add() API i.e. stores metric and distance
Now allows a RIP-route to overcome a redistributed route coming
from a protocol with worse (higher) administrative distance
Metrics from redistribution are shown in show ip rip
* ripd/rip_zebra.c: adapt to the rip_redistribute_add() API, i.e.
provide distance and metric
* ripd/rip_interface.c: adapt to the rip_redistribute_add() API
* ripd/rip_routemap.c: no RMAP_COMPILE_ERROR on (metric > 16) usage
rather a CMD_WARNING, because set metric ius shared with other
protocols using larger values (such as OSPF)
The match metric action takes first external metric if present
(from redistribution) then RIP metric.
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* command.h: (enum node_type) Add BGP_IPV6M_NODE
* command.c: (node_parent) Handle BGP_IPV6M_NODE node
(config_exit, config_end) ditto
* vty.c: (vty_end_config) Handle BGP_IPV6M_NODE node
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Add wall-clock timing statistics to 'show thread cpu' output.
* thread.h: Define struct rusage_t to contain wall-clock time
and cpu time. Change GETRUSAGE macro to collect both pieces
of data. Make appropriate changes to struct cpu_thread_history
to track CPU time and real time. Change proto for
thread_consumed_time to return real and cpu time elapsed.
And declare a new global variable 'struct timeval recent_time'.
* thread.c (struct timeval recent_time): New global timestamp variable.
(timeval_adjust): If timeout is negative, set to 0 (not 10
microseconds). And remove upper bound of 1,000,000 seconds, since
this does not seem to make any sense (and it breaks
funcname_thread_add_timer_timeval).
(timeval_cmp): Should return long, not int.
(vty_out_cpu_thread_history): Show CPU time and real time.
(cpu_record_hash_print): Calculate totals for CPU and real time.
(cpu_record_print): Change 'show thread cpu' title to show CPU and
real time.
(thread_timer_remain_second): Put current time in global recent_time.
(funcname_thread_add_timer_timeval): Fix assert. Replace 2-case
switch assignment with a ternary expression. Use global recent_time
variable. Fix use of timeval_adjust (previously, the value was not
actually being adjusted).
(thread_cancel): Add missing "break" statement in case
THREAD_BACKGROUND.
(thread_timer_wait): Use global recent_time value instead of calling
gettimeofday. And there's no need to check for negative timeouts,
since timeval_subtract already sets these to zero.
(thread_timer_process): Timers are sorted, so bail out once we
encounter a timer that has not yet popped. And remove some
extraneous asserts.
(thread_fetch): Do not process foreground timers before calling
select. Instead, add them to the ready list just after the select.
Also, no need to maintain a count of the number of ready threads,
since we don't care how many there are, just whether there's
one at the head of the ready list (which is easily checked).
Stick current time in global variable recent_time to reduce
the number of calls to gettimeofday. Tighten logic for
calculating the select timeout.
(thread_consumed_time): Now returns real time and puts the elapsed
cpu time in an additional argument.
(thread_should_yield): Use real (wall-clock) time to decide whether
to yield.
(thread_call): Maintain CPU and real time statistics.
* vty.c (vty_command): For slow commands, show real and cpu time.
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* configure.ac: Added AC_ARG_ENABLE(time-check). By default,
warning messages will now be printed for threads or commands that take
longer than 5 seconds, but this configure argument can be used
to disable the checks or change the threshold.
* thread.h (thread_consumed_time): Declare new function to calculate
elapsed microseconds.
* thread.c (thread_consumed_time): Must be global not static so we
can call it from lib/vty.c:vty_command.
(thread_should_yield): Surround with `#if 0' to make clear that this
function is not currently being used anywhere.
(thread_call): If CONSUMED_TIME_CHECK is defined, print a CPU HOG
warning message if the thread takes more than CONSUMED_TIME_CHECK
microseconds.
* vty.c (vty_command): If CONSUMED_TIME_CHECK is defined, print a CPU
HOG warning message if the command takes more than CONSUMED_TIME_CHECK
microseconds.
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* vty.c: (vty_log_fixed) Use casts to (void *) to try to eliminate
compiler warnings when assigning a (const char *) value to
struct iovec iov_base.
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* lib/vty.c: Improve logging of failures to open vty socket(s).
See bugid #163.
* zebra/zserv.c: print more helpful errors when we fail to successfully
bind and listen on zserv socket. Closes bugzilla #163.
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* (global) update all c files to match the lib/vector.h rename of
(struct vector).active to max, and vector_max macro to
vector_active.
* lib/vector.h: Rename to (struct vector).max to slightly less
confusing active, for the number of active slots, distinct from
allocated or active-and-not-empty. Rename vector_max to
vector_active for same reason.
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* command.c: (no_banner_motd_cmd) use XFREE.
* vty.c: (vty_hello) fix the indentation and comment.
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* command.c: (banner_motd_file_cmd) use XSTRDUP/XFREE
* vty.c: (vty_hello) suggestions from Andrew, read by line and
stub out trailling non-printable characters on each line thus
allowing us to specify VTY_NEWLINE to vty_out.
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* vty.c: (vty_hello) display motd file, if set
* command.h: add char *motdfile to struct host
* command.c: (config_write_host) write out motdfile config
(banner_motd_file_cmd) new command, allow motd to be read from
file.
(no_banner_motd_cmd) free motdfile string, if needs be.
(cmd_init) init (struct host).motdfile. Add new motd file
commands.
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* vty.c: Fix fd leak.
[backport candidate]
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* {vty.h,vty.c}: Remove vty_finish (duplicate of vty_reset).
* isis_main.c: (reload) Call vty_reset instead of vty_finish (both
functions were exactly the same).
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* buffer.h: Make the struct buffer and struct buffer_data structures
private by moving them inside buffer.c. Add comments for all
functions. Rename buffer_write as buffer_put (to be more consistent
with the buffer_putc and buffer_putstr functions). Declare a new
buffer_write function that is used to write data to a file descriptor
and/or add it to the buffer queue. Remove unused function
buffer_flush_vty_all. Create a new enum typedef buffer_status_t
to be used as the return code for all buffer_flush* functions
and buffer_write.
* buffer.c: The struct buffer and struct buffer_data declarations
are now private to this file. In conjunction with that, remove
some unnecessary fields: struct buffer (alloc, unused_head,
unused_tail, length), struct buffer_data (prev).
(buffer_data_new) Removed: functionality incorporated into buffer_add.
(buffer_data_free) Removed: use a macro BUFFER_DATA_FREE instead.
(buffer_new) Use calloc instead of malloc + memset(zero).
Supply an appropriate default size if the specified size is 0.
(buffer_free) Eliminate code duplication by calling buffer_reset to
free the contents of the buffer (and remove unused code related
to unused_head).
(buffer_empty,buffer_putc,buffer_putstr) Aesthetic change (make more
compact).
(buffer_reset) Use macro BUFFER_DATA_FREE. No need to set
alloc and length to 0 (these fields have been removed).
(buffer_add) Fix scope to be static. Call XMALLOC directly instead
of calling removed buffer_data_new function. Simplify the logic
(since it's now a singly-linked list instead of doubly-linked).
(buffer_write) Renamed to buffer_put. Change to void, since return
code of 1 was meaningless. No need to adjust length field, since
it has been removed.
(buffer_putw,buffer_flush,buffer_flush_vty_all,buffer_flush_vty)
Remove unused functions.
(buffer_flush_all) Rewrite using buffer_flush_available to eliminate
a possible failure mode if IOV_MAX is less than the number of buffers
on the queue.
(buffer_flush_window) Incorporate logic from buffer_flush_vty.
Log an error message if there is a writev error.
(buffer_flush_available) Be more paranoid: check for case where
buffer is already empty. Use new ERRNO_IO_RETRY macro, and use
new enum for return codes. Simplify deletion logic (since it's
now a singly-linked list).
(buffer_write) New function for use with non-blocking I/O.
* vty.h: Replace the struct vty sb_buffer field with a fixed-size
(5-character) sb_buf field and an sb_len field, since using
a struct buffer was inappropriate for this task. Add some useful
comments about telnet window size negotiation.
* vty.c: Include <arpa/telnet.h> (no longer included by zebra.h).
Remove VTY_OBUF_SIZE (instead use buffer_new default size).
Make telnet_backward_char and telnet_space_char static const.
(vty_out) Replace buffer_write with buffer_put.
(vty_log_out) Check for I/O errors. If fatal, close the vty session.
Consolidate 3 separate writes into a single write call.
(vty_will_echo,vty_command,vty_next_line,vty_previous_line,
vty_end_config,vty_describe_fold,vty_clear_buf,vty_serv_sock_addrinfo,
vty_serv_sock_family,vty_serv_un,vty_use_backup_config,exec_timeout,
vty_config_write,vty_save_cwd) Fix scope to static.
(vty_new) Let buffer_new use its default buffer size.
(vty_write) Fix signature: 2nd arg should be const char *.
Replaced buffer_write with buffer_put.
(vty_telnet_option) Fix minor bug (window height or width greater than
255 was broken). Use sb_buf and sb_len instead of removed sb_buffer
(which was being used improperly).
(vty_read) On error, use ERRNO_IO_RETRY to decide whether it's fatal.
If the error is fatal, call buffer_reset so vty_close does not attempt
to flush the data. Use new sb_buf and sb_len instead of sb_buffer
to store the SB negotiation string.
(vty_flush) When vty->lines is 0, call buffer_flush_available instead
of buffer_flush_window. Look at the return code from buffer_flush
to detect I/O errors (and in that case, log an error message and
close the vty).
(vty_create) Fix scope to static. Initialize sb_len to 0 instead
of creating sb_buffer.
(vty_accept) Set socket nonblocking.
(vtysh_accept) Use new set_nonblocking function instead of calling
fcntl directly.
(vtysh_flush) New function called from vtysh_read (after command
execution) and from vtysh_write. This flushes the buffer
and reacts appropriately to the return code (by closing the vty
or scheduling further flushes).
(vtysh_read) Check whether error is fatal using ERRNO_IO_RETRY.
If not, just try again later. Otherwise, call buffer_reset before
calling vty_close (to avoid trying to flush the buffer in vty_close).
Fix logic to allow case where a command does not arrive atomically
in a single read call by checking for the terminating NUL char.
(vtysh_write) Use new vtysh_flush helper function.
(vty_close) No need to call buffer_empty, just call buffer_flush_all
in any case (it will check whether the buffer is empty).
Do not free sb_buffer (since it has been removed).
(vty_log_fixed) Use writev instead of write.
* zebra.h: Do not include <arpa/telnet.h>, since this is used only
by lib/vty.c.
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* daemon.c: (daemon) Replace perror with zlog_err.
* vty.c: (vty_serv_un) Replace perror with zlog_err.
* ripd.c: (rip_create_socket) Replace perror with zlog_err.
* ioctl.c: (if_ioctl,if_ioctl_ipv6,if_get_flags) Replace perror with
zlog_err.
* ioctl_solaris.c: (if_ioctl,if_ioctl_ipv6) Replace perror with
zlog_err.
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to walk up in the node tree if called from vtysh. Different daemons
might have commands with same syntax in different nodes (for example
"router-id x.x.x.x" commands in zebra/ospfd/ospf6d daemons).
* vtysh.c: Reflect changes in lib. cmd_execute_command() should know
now that it's called from vtysh and must not attempt to walk up in
the node tree.
[pullup candidate]
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* bgp_main.c: (main) The 2nd argument to openzlog has been removed.
* isis_main.c: (main) The 2nd argument to openzlog has been removed.
* ospf6_main.c: (main) The 2nd argument to openzlog has been removed.
Note that stdout logging will no longer be enabled by default when
not running as a daemon.
* ospf_main.c: (main) The 2nd argument to openzlog has been removed.
* rip_main.c: (main) The 2nd argument to openzlog has been removed.
* ripng_main.c: (main) The 2nd argument to openzlog has been removed.
* main.c: (main) The 2nd argument to openzlog has been removed.
So stdout logging will no longer be enabled by default.
* irdp_main.c: (irdp_finish) Reduce severity of shutdown message
from LOG_WARNING to LOG_INFO.
* vtysh.c: Make several functions static instead of global.
Added several commands to support destination-specific logging levels.
(vtysh_completion) This function is unused, so comment it out.
* basic.texi: Document new logging features. Separate basic config
commands from basic VTY commands.
* log.h: Replace struct zlog flags and maskpri fields with maxlvl
array to support individual logging levels for each destination.
Remove the 2nd argument to openzlog since the default logging config
should be standardized inside the library. Replaced the
zlog_set_flag and zlog_reset_flag functions with zlog_set_level.
And zlog_set_file now requires an additional log_level argument.
Declare zlog_proto_names for use inside command.c in the
"show logging" command. Added defines useful for command
construction.
* log.c: (vzlog) Decide where to send the message based on the
individual logging levels configured for each destination.
Remove support for ZLOG_STDERR since it was never actually used.
Support record-priority for terminal monitors.
(zlog_signal,zlog_backtrace_sigsafe) Support destination-specific
logging levels. Remove stderr support (was never used). Added
support for terminal monitor logging.
(_zlog_assert_failed) Increase message severity to LOG_EMERG.
(openzlog) Remove 2nd argument since default config should be
standardized in library. By default, terminal monitoring
is set to debug, and all other logging is disabled.
(zlog_set_flag,zlog_reset_flag) Removed.
(zlog_set_level) New function to replace zlog_set_flag and
zlog_reset_flag. Supports destination-specific logging levels.
(zlog_set_file,zlog_reset_file) Support file-specific logging level.
(zlog_rotate) Log an error message if fopen fails, and support
new file-specific logging level.
* command.h: Change DEFUN_CMD_FUNC_DECL and DEFUN_CMD_FUNC_TEXT so that
command functions will be static instead of global. Remove
declarations for config_exit and config_help. Define new macros
DEFUNSH_ATTR, DEFUNSH_HIDDEN, and DEFUNSH_DEPRECATED so we can
have deprecated commands in vtysh. Similarly, for completeness,
define macros ALIAS_SH, ALIAS_SH_HIDDEN, and ALIAS_SH_DEPRECATED.
Also, fix bug in ALIAS_ATTR macro (didn't matter because it
was never used).
* command.c: Make many functions static instead of global.
(facility_name,facility_match,level_match) New functions
to support enhanced destination-specific logging levels.
(config_write_host) Support new destination-specific logging levels.
(config_logmsg) Added new "logmsg" command to help test logging
system.
(show_logging) Added "show logging" command to show the current
configuration of the logging system.
(config_log_stdout_level) Support explicit stdout logging level.
(no_config_log_stdout) Now takes optional LEVEL arg.
(config_log_monitor,config_log_monitor_level,no_config_log_monitor)
New commands creating new "log monitor" commands to set terminal
monitoring log level.
(config_log_file_level) Support explicit file logging level.
(config_log_syslog_level) Support explicit syslog logging level.
(config_log_facility,no_config_log_facility) Implement new
"log facility" command.
(cmd_init) Add hooks for new commands: "show logging", "logmsg",
"log stdout <level>", "log monitor", "log monitor <level>",
"no log monitor", "log file <filename> <level>",
"no log file <filename> <level>", "log syslog <level>",
"log facility", and "no log facility".
* vty.h: Added a "level" argument to vty_log so it can support
"log record-priority". Declare new function vty_log_fixed for
use in signal handlers.
* vty.c: (vty_log,vty_log_out) Added a "level" argument to support
"log record-priority" for vty terminal monitors.
(vty_down_level) Use config_exit_cmd.func instead of calling
config_exit directly (since command functions will now be static
instead of global).
(vty_log_fixed) New function to send terminal monitor messages
from inside a signal handler.
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to stdarg handling.
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* log.c: (vzlog) Take a single va_list argument and use va_copy
as necessary for multiple traversals.
(zlog) Pass only one va_list to vzlog.
(zlog_*,plog_*) Use a macro for boilerplate code; pass only one
va_list to vzlog.
(zlog_set_file) Remove unused 2nd argument (flags).
(zlog_save_cwd,zlog_get_cwd,zlog_free_cwd) Remove unused functions.
* log.h: Remove ZLOG_*_INDEX defines (no longer used).
Remove unused 2nd argument from zlog_set_file prototype.
Fix prototype for zlog_rotate.
* command.c: (config_log_file) Remove unused 2nd arg to zlog_set_file.
* vty.c: (vty_out) Fix stdarg usage to perform multiple traversals
properly.
(vty_log) Must use va_copy for multiple traversals of va_list arg.
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* global: Replace strerror with safe_strerror. And vtysh/vtysh.c
needs to include "log.h" to pick up the declaration.
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* vty.h: Remove fields in struct vty that were related to VTY_CONTINUE
capabilities (that were used only in bgpd/bgp_route.c and are now
removed). Also remove some other fields that were not being
used at all.
* vty.c: (vty_execute) Do not test for obsolete status values VTY_START
and VTY_CONTINUE.
(vty_read) Remove calls to vty->output_func since that was part
of the VTY_CONTINUE infrastructure that has been removed.
(vty_flush) Remove code to support VTY_START and VTY_CONTINUE.
(vty_close) Remove code to cancel vty->t_output thread, since that
thread was never actually used.
* bgp_route.c: Remove all code related to VTY_CONTINUE; this feature
is deprecated because the output did not represent a single point
in time. All output needs to be generated inline and buffered
by the library code.
(route_vty_out,route_vty_out_tag,damp_route_vty_out,
flap_route_vty_out) Remove code to count number of lines of output,
since this was only useful for VTY_CONTINUE behavior.
(bgp_show_callback) Removed.
(bgp_show_table) Remove hooks for VTY_CONTINUE callback support.
As a result, there's a new output_arg argument to this function.
Make function static.
(bgp_show) Make function static and add a new output_arg argument.
Change all functions that call bgp_show or bgp_show_table to
pass the new output_arg argument (that used to be passed inside
vty->output_arg).
* bgp_mplsvpn.c: Remove declarations of functions defined in
bgp_route.c; these declarations belong in bgp_route.h.
* bgp_route.h: Declare 3 global functions used in both bgp_route.c
and in bgp_mplsvpn.c.
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* vty.c: Vtysh connections to daemons should use buffering.
(vty_out) Remove exception for vty_shell_serv, just use buffer_write.
(vty_new) Increase output buffer size to 4096 rounded up to a
multiple of pagesize.
(vtysh_read) After command has been executed and all output buffered,
call buffer_flush_available and schedule further writes if the
buffers are not yet empty.
(vtysh_write) New function to flush output to vtysh when the socket
is writeable.
(vty_event) Added new VTYSH_WRITE event for flushing buffers to vtysh
clients. Also, should save read thread in vty->t_read so the
thread can be cancelled in vty_close.
* buffer.h: In struct buffer_data, remove unused "parent" field.
Convert "unsigned char *data" to "unsigned char data[0]" to save
a malloc. Declare new function buffer_flush_available that works
with non-blocking sockets.
* buffer.c: (buffer_data_new) Use a single malloc now that data is
a variable-size array at end of structure.
(buffer_data_free) Just a single free now that data is part of the
structure.
(buffer_write) Simplify the logic to make behavior more transparent.
(buffer_flush) Decrease b->length as data is written out.
(buffer_flush_vty_all) Decrease b->length as buffers are freed.
(buffer_flush_vty) Decrease b->length as data is written out.
(buffer_flush_available) New function to flush non-blocking sockets.
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* vty.c: As per Andrew's suggestions..
(vty_serv_un) remove flags.
(vtysh_accept) close socket if we cant set NONBLOCK. Add flags.
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* vty.c: Move setting of sock to O_NONBLOCK from vty_serv_un
to vtysh_accept, where sock is the actual fd we wanted to set to
O_NONBLOCK, ie the /connected/ vtysh unix socket.
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* version.h.in: (pid_output*) add const qualifier.
* command.h: Change DEFUN func to take const char *[] rather
than char **, to begin process of fixing compile warnings in lib/.
Nearly all other changes in this commit follow from this change.
* buffer.{c,h}: (buffer_write) pointer-arithmetic is gccism, take
const void * and cast an automatic const char *p to it.
(buffer_putstr) add const
* command.c: (zencrypt) const qualifier
(cmd_execute_command_real) ditto
(cmd_execute_command_strict) ditto
(config_log_file) ditto.
Fix leak of getcwd() returned string.
* memory.{c,h}: Add MTYPE_DISTRIBUTE_IFNAME for struct dist ifname.
* distribute.{c,h}: Update with const qualifier.
(distribute_free) use MTYPE_DISTRIBUTE_IFNAME
(distribute_lookup) Cast to char *, note that it's ok.
(distribute_hash_alloc) use MTYPE_DISTRIBUTE_IFNAME.
(distribute_get) Cast to char *, note that it's ok.
* filter.c: Update with const qualifier.
* if.{c,h}: ditto.
* if_rmap.{c,h}: ditto.
(if_rmap_lookup) Cast to char *, note that it's ok.
(if_rmap_get) ditto.
* log.{c,h}: Update with const qualifier.
* plist.{c,h}: ditto.
* routemap.{c,h}: ditto.
* smux.{c,h}: ditto. Fix some signed/unsigned comparisons.
* sockopt.c: (getsockopt_cmsg_data) add return for error case.
* vty.c: Update with const qualifier.
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added to strings and a lot of int -> unsigned int changes.
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* vty.c: (vty_serv_un) set unix vty socket to nonblocking
to prevent inadvertent blocking of daemons by use of
vtysh. TODO: disentangle manual paging from the buffer_write
path so that unix vty can use this path too and be reliable.
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to read system one.
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* filter.c: (access_list_remark_cmd) buffer_putstr doesnt need cast
to u_char. (ipv6_access_list_remark_cmd) ditto.
if.c: ditto
* network.c: (readn/writen) pointer arg should be type u_char.
* plist.c: needs to include stream.h, not declare stream functions
internally.
(various) Add static qualifier to internal functions.
(prefix_list_type_str) extraneous breaks in switch statement.
(ip_prefix_list_description_cmd) buffer_putstr doesnt need cast
* stream.h: depends on plist.h and export stream_put_prefix
* vty.c: (vty_<telnet option build functions>) should use
unsigned char, telnet options are 0 -> 255.
* zclient.c: various u_char<->char type cleanups.
* zebra.h: Having to define CMSG_* can apply to more than just
BSDI_NRL.
* ripd.c: (rip_distribute_update_all) distribute list hook
function pointer prototype requires struct prefix_list * arg.
(rip_distribute_update_all_wrapper) update to pass required arg,
NULL.
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* (many) reference <lib/version.h> rather than "version.h",
because version.h is a generated file and not present in the
source tree when using objdir builds.
(committed by gdt)
works fine with normal builds; didn't try objdir
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- add privs support
- use misc quagga's definitions
- make it compile"able"
- fix segfault cases related to hostname()
- add debug isis xxx command
This patch has been approved by Paul Jakma.
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* configure.ac (and everywhere a regular file is opened for
writing): use file permissions from configure rather than
compiled-in umask.
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* lib/vty.c: (vty_read) additional change i had applied to Jay's
telnet sub-option processing crash fix was incorrect, revert.
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* lib/vty.c: cleanup getcwd again. just pass the buffer in to getcwd.
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* lib/vty.c: (vty_telnet_option) Remote DoS exists if a telnet
end-sub-negotation is sent when no sub-negotation data has been
sent. Return immediately if no sub-negotation is in progress.
(vty_read) do not attempt to process options if no sub-negotation
is in progress.
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* lib/vty.c: (vty_save_cwd) dont crash if getcwd fails. try fallback
to SYSCONFDIR. Allocate cwd from the stack rather than relying on
(non-portable) getcwd() allocation (which we didnt seem to be
freeing).
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* lib/version.h: add ZEBRA_URL (unused for now)
* lib/vty.c: CMD_ERR_NOTHING_TODO when reading conf file should not
be fatal. slight reformating.
* ospfd/ospf_zebra.c: ignore reject/blackhole routes if zebra sends
these type of routes. probably should be a new type of route to
allow daemons to more easily choose whether to redistribute them
- rathen than just a flag (eg for reject/blackhole).
reorder the is_prefix_default test for ZEBRA_IPV4_ROUTE_DELETE to
avoid the inverted test - slightly more readable.
* redhat/zebra.spec.in: Add ospfapi port to services file, if
with_ospfapi.
* zebra/rib.h: Change nexthop types to an enum.
* zebra/rt_netlink.c: run it through indent -nut.
Add nexthop_types_desc[] descriptive array for nexthop types.
(netlink_route_multipath) debug statements indicate which branch
they are in and print out nexthop type.
* zebra/zebra_rib.c: slight reformatting.
* zebra/zebra_vty.c: Pass ZEBRA_FLAG_BLACKHOLE flag to
static_add_ipv4() if Null0 route is configured. print out Null0 if
STATIC_IPV4_BLACKHOLE route, and ignore flags (shouldnt be
possible to set flags from vty) for config and show route.
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* lib/vty.{c,h}: Remove vty layer depending on a 'master' global,
pass the thread master in explicitly to vty_init. Sort out some
header dependency problems with lib/command.h
* zebra/: Move globals to struct zebrad. Update vty_init().
* (.*)/\1_main.c: update call to vty_init().
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* Merge of zebra privileges
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