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Handle CLI_CMD_FAILED like other command errors (i.e. return 0 to the
caller and send a generic error message).
This makes the CLI handler to flush its input buffer, so that
processing of the next command will be made correctly. This also makes
the telnet handler to send its prompt message.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
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Call regexp command handler without command line's leading spaces.
This makes leading spaces handling consistent between the exec and help
command handlers (leading spaces are already skipped before calling
help handlers).
This also gives the possibility to register an anchored regexp command
without having to manage the leading spaces in that regexp.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
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When arguments are supplied to the "help" command, only display help
messages corresponding to the command these arguments refer to (e.g.
"help pppoe" will only show help messages for commands starting
with "pppoe").
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
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Pass a full string, instead of an array of words, to the "help" callback
of regexp command handlers. Also register these command handlers using
a regexp to apply on "help" commands, just like for exec commands. The
"help" callback will then be called only if the command matches the
"help" regexp.
As a side effect, the "help" word and its following spaces are skipped
before calling the "help" callback for both simple and regexp commands.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
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* skip_word(): ensure the for() loop won't pass over a '\0' character
* split(): ensure the for() loop won't try to fill buf[MAX_CMD_ITEMS]
* split(): skip leading spaces.
* split(): fix exit value if no item is found (return 0 instead of 1)
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
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Split regexp and simple command handling from the generic command
processing function and handle regexp commands before simple ones.
This avoids splitting the original command line before processing
regexp command handlers, so that these handlers get the full command
line instead of only the first word.
The regexp command handlers are now only called when the command
matches the regexp (regexp handlers were called unconditionaly
before this patch). The rest of the processing properties should
remain unchanged.
Command processing summary:
-If the command starts with the "help" keyword, then all help
commands are called, starting with regexp help commands.
-Otherwise, regexp command handlers whose regexp matches the
command line are called. Then, simple command handlers whose
header matches the command line are called.
Any command handler that returns a value different from
CLI_CMD_OK stops the process, thus preventing the following
handlers from being called.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
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Process "help" commands in a separated function with no side effect
when the command doesn't match. This avoids splitting the input
command line if not necessary (regexp command handlers need to
receive the entire command line for being useful).
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
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* Call pcre_compile2() with all mandatory arguments and
improve error message.
* Register regexp commands in regexp_cmd_list instead of
simple_cmd_list.
* Fix "help" function call.
* Interpret regexp command return codes (CLI_CMD_*) in the
same way as for simple commands.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
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* l2tp: Fix allocation checking when adding octets AVP
* cli, tcp: Fix non-NULL terminated string reception
* Fix va_end() missing calls
* chap-secrets: implemented encryption
* auth_pap: make messages like other auth modules
* cli: check xmit_buf is not null at enter to write function
* pppoe: implemented regular expression support
* chap-secrets: implemented encryption
* ippool: fixed initialization order
* optional shaper compiling
* ppp: dns/wins code cleanup
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cli commands
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