| Commit message (Collapse) | Author | Age | Files | Lines |
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It changes the parse and snprintf functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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functions.
Code refactoring in nft_rule_expr_payload_snprintf_* functions to get a
nft_rule_expr type instead of nft_expr_payload type. The nft_rule_expr is
needed to check information into flags variables.
Moreover, It remanes a variable from 'p' to 'payload' for code
readability reasons.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and snprintf functions to omit unset values.
Moreover, It adds some whitespaces arount '+' caracter, as the CodingStyle
recommends.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and snprintf functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
Now, This part of a xml file is gotten without unset elements.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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functions
Code refactoring in nft_rule_expr_bitwise_snprintf_* functions to get a
nft_rule_expr type instead of nft_expr_bitwise type.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The info area that this gets via the setter should be already
aligned. The caller has to care of this.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
Now, This part of a xml file is gotten without unset elements.
<expr type="limit">
<rate>400</rate>
<unit>60</unit>
</expr>
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
Now, This part of a json file is gotten without unset elements.
{"expr":[{"type":"limit","rate":400,"unit":60}]}
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring in nft_rule_expr_limit_snprinf functions.
This process adds three new functions:
* nft_rule_expr_limit_snprinf_default
* nft_rule_expr_limit_snprinf_xml
* nft_rule_expr_limit_snprinf_json
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse functions to omit unset values.
Now, It possible to use a xml file like this:
[...]
{
"type": "nat",
"nat_type": "snat",
"family": "ip",
"sreg_addr_min": 1,
"sreg_addr_max": 1,
}
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse functions to omit unset values.
Now, It possible to use a xml file like this:
[...]
<expr type="nat">
<type>snat</type>
<family>ip</family>
<sreg_addr_min>1</sreg_addr_min>
<sreg_addr_max>1</sreg_addr_max>
</expr></rule>
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse xml functions. Also,
It renames some variables for code readability reasons and It converts some
variables from int to uint32_t.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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New xml and json test files.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use snprintf and SNPRINTF_BUFFER_SIZE in
snprintf_default functions. Also, It adapts to the next syntax in queue.
Added in:
http://git.netfilter.org/nftables/commit/?id=27619ffbe503ed4d9e59a02e81db9a7ac49d37af
Here, some examples:
ip test input 31
[ queue num 3-5 bypass fanout]
ip test input 32 31
[ queue num 0]
ip test input 33 32
[ queue num 4]
ip test input 34 33
[ queue num 2-6 bypass]
table ip test {
chain input {
type filter hook input priority 0;
queue num 3-5 bypass fanout
queue num 0
queue num 4
queue num 2-6 bypass
}
}
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fix wrong data types, eg. queue num is u16.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
This json file is gotten for a queue:
{"expr":[{"type":"queue","num":0,"total":1,"flags":0}]}
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
This xml file is gotten for a queue:
[...]
<expr type="queue">
<num>0</num>
<total>1</total>
<flags>0</flags>
</expr>
[...]
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_* in parse xml functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring in nft_rule_expr_queue_snprinf functions. This patch
adds three new functions:
* nft_rule_expr_queue_snprinf_default
* nft_rule_expr_queue_snprinf_xml
* nft_rule_expr_queue_snprinf_json
Moreover, I have deleted an unnecesary whitespace as the CodingStyle
recommends.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Test files without unset child element in set elements.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Free memory in the same function that is reserved.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
This json file is gotten for a set:
{
"set": {
"name": "mi6set3",
"table": "test6",
"flags": "0",
"family": "unknown",
"key_type": "0",
"key_len": "0",
"set_elem": [
{
"flags": "0",
"key": {
"data_reg": {
"type": "value",
"len": "16",
"data0": "0x000080fe",
"data1": "0x00000000",
"data2": "0xffb30202",
"data3": "0x89001efe"
Now, This json file is gotten for a set without unset elements.
{
"set": {
"name": "mi6set3",
"table": "test6",
"family": "unknown",
"set_elem": [
{
"key": {
"data_reg": {
"type": "value",
"len": "16",
"data0": "0x000080fe",
"data1": "0x00000000",
"data2": "0xffb30202",
"data3": "0x89001efe"
[ Note: These fields are unset when they are obtained from the set element
information --pablo. ]
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
This xml file is gotten for a set:
<set>
<family>unknown</family>
<table>test</table>
<name>miset</name>
<flags>0</flags>
<key_type>0</key_type>
<key_len>0</key_len>
<set_elem>
<flags>0</flags>
<key>
<data_reg type="value">
<len>4</len>
<data0>0x0401a8c0</data0>
</data_reg>
</key>
</set_elem>
<set_elem>
<flags>0</flags>
<key>
<data_reg type="value">
<len>4</len>
<data0>0x0501a8c0</data0>
</data_reg>
</key>
</set_elem>
</set>
Now, this xml file is gotten without unset values:
<set>
<family>unknown</family>
<table>test</table>
<name>miset</name>
<set_elem>
<key>
<data_reg type="value">
<len>4</len>
<data0>0x00000002</data0>
</data_reg>
</key>
</set_elem>
<set_elem>
<key>
<data_reg type="value">
<len>4</len>
<data0>0x0401a8c0</data0>
</data_reg>
</key>
</set_elem>
</set>
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The user-specified message should be used even if the error type
is unspecified. Moreover, make the output error message homogeneous.
Sometimes is was including a space before the ':' separator.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add the use of system errors (nft_parse_perror) in test_xml to know which
node is not found.
Example:
parsing xmlfiles/75-ruleset.xml: FAILED (Invalid argument)
Reason : Node "flags" not found
[ I have mangled this patch to rename this the current 'fail' message
to 'Reason' --pablo ]
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Test files without unset child element in the log expression.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
If It uses this rule:
nft add rule ip test output input
It gets this json file:
[...] "expr":[{"type":"reject","type":0,"code":0}]}
Now, That rule creates this json file without null values:
[...] "expr":[{"type":"reject"}]}
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Convert the type of a variable from uint16_t to uint8_t.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
If we used this rule:
nft add rule ip test output reject
It gets this xml file:
[...]
<expr type="reject">
<type>0</type>
<code>0</code>
</expr>
</rule></nftables>
Now, That rule creates this xml file without null values:
[...]
<expr type="reject">
</expr>
</rule></nftables>
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
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Code refactoring in nft_rule_expr_reject_snprinf functions. This process
adds three new functions:
* nft_rule_expr_reject_snprinf_default
* nft_rule_expr_reject_snprinf_xml
* nft_rule_expr_reject_snprinf_json
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
Also, It fixes an unnecessary comma after key-value pair type.
This comma is not necessary if there is not more key-value pairs in this expr.
Example:
"expr":[{"type":"log"}]
If It uses this rule:
nft add rule ip test output log
It gets this json file:
[...]
{"expr":[{"type":"log","prefix":"(null)","group":0,"snaplen":0,"qthreshold":0}]}
[...]
Now, That rule creates this json file without null values:
{"expr":[{"type":"log"}]}
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
If we used this rule:
nft add rule ip test output log
We got this xml file:
<rule><family>ip</family>
<table>test</table>
<chain>output</chain>
<handle>88</handle>
<expr type="log">
<prefix>(null)</prefix>
<group>0</group>
<snaplen>0</snaplen>
<qthreshold>0</qthreshold>
</expr>
</rule>
And It was imposible import this file.
Now, That rule creates this xml file without null values:
<rule><family>ip</family>
<table>test</table>
<chain>output</chain>
<handle>88</handle>
<expr type="log">
</expr>
</rule>
and It's possible import this xml file.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Suggested-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Renames some variables for code readability reasons.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This process adds three new functions:
* nft_rule_expr_log_snprintf_default
* nft_rule_expr_log_snprintf_xml
* nft_rule_expr_log_snprintf_json
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add the set ID (u32) which allows us to uniquely identify the set
in the batch that is sent to kernel-space.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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When _snprintf() reports it would print n characters, that n doesn't include
the trailing \0 that snprintf adds.
Thus, we need to [re]allocate n+1 characters.
While at it, change the reallocation trigger. If the length of the buffer we
used is equals to the expanded string length, the output has been truncated.
In other words, if ret == bufsiz, then the trailing \0 is missing.
Also, check if _snprintf() returned < 0, which means an error ocurred.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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We need to store in 'offset' the complete amount of characters as returned
from _snprintf. The value means how many characters long needs the buffer to be
in order to store the corresponding string expansion.
Before this patch, in cases where the buffer is smaller than the
expansion, then ret > len, and therefore ret = len.
So when incrementing offset, we do it with a wrong value.
All previous versions of libnftnl are unable to handle this situations: small
buffers (or long string expansion).
BTW, if a caller must reallocate a buffer to the returned value of snprintf, it
should be ret + 1.
While at it, let's add a check to know if the last snprintf call failed.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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