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The `fanout_args` structure is a relatively recent addition to the kernel
so provide a local definition for it, like we already do it for other like
`timeval_old`.
Fixes: #217
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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types: fix potential use after free on adding keys during iteration
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vallist: more thoroughly check for trailing garbage after numeric string
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When keys are added to the object currently being iterated by a for loop,
the insert operation might cause a hashtable resize with a subsequent
memory reallocation and a different table base pointer, clobbering the
entry pointers held by iterators pointing to the containing object of the
resized table.
In order to address this issue while keeping the iteration overhead low,
extend the object key insert logic to check whether the insertion will
trigger a reallocation and backup and restore the iterator pointers when
needed.
This slightly increases the size of the iterator states but the overhead
for this should be neglectible as there'll only be a low amount of
concurrently active iterations at any time.
Fixes: #230
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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When converting numeric strings into numbers, ensure that only optional
trailing whitespace follows and no other characters.
Fixes: #231
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Enhance lexer functionality and improve token reporting
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Make the lexer API functions `uc_lexer_init()`, `us_lexer_free()` and
`uc_lexer_next_token()` public for use in loadable extensions.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Tweak the token stream reported by the lexer in order to make it more useful
for alternative, non-compilation downstream parse processes such as code
intelligence gathering within a language server implementation.
- Instead of silently discarding source code comments in the lexing phase,
emit TK_COMMENT tokens which is useful to e.g. parse type annotations and
other structured information.
- Do not silently discard TK_LSTM tokens but report them to downstream
parsers instead.
- Do not silently emit TK_RSTM tokens as TK_SCOL but report them as-is to
downstrem parsers.
- Adjust the byte code compiler to properly deal with the changed token
reporting by discarding incoming TK_COMMENT and TK_LSTM tokens and by
remapping read TK_RSTM tokens to the TK_SCOL type.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Report end position for emitted tokens. This is required to reliably
determine the token length, e.g. for downstream code intelligence
use cases
- Fix start offset of continued template literal string tokens.
Previously the start offset of a literal string following a `${...}`
placeholder expressions was shifted by one byte
- Report proper start offset of `TK_LEXP` tokens.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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jow-/compiler-fix-keyword-property-labels-after-spread
compiler: properly treat property names after spread expressions
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fs: fix potential memory leak on i/o errors in .read()
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Ensure that unquoted property names following spread expressions in object
declaration literals are not treated as keywords.
Prior to this fix, an expression such as `{ ...someobj, default: 1 }` would
result in a compile time syntax error.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Make sure to free the line buffer pointer when aborting a
`getline()` / `getdelim()` based read operation on i/o errors.
As an example, this issue could be triggered by receiving a broken
pipe error while attempting to read a line from stdin.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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nl80211: add EHT mac/phy capabilities
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Signed-off-by: Chad Monroe <chad@monroe.io>
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fs: add ioctl() file method
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implements ioctl() for a given file handle on Linux.
Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
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lib: use copy of environ pointer in getenv()
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Signed-off-by: Mikael Magnusson <mikma@users.sourceforge.net>
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Without this fix a call to getenv() without parameters destroys environ,
and subsequent calls to getenv() (with or without parameter) return
nothing.
Fixes: #219
Signed-off-by: Mikael Magnusson <mikma@users.sourceforge.net>
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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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tests: replace test runner shell script with ucode implementation
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The ucode interpreter and libraries are mature enough to execute their
own testcases now, so replace the existing shell script with an equivalent
ucode implementation.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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In case the ucode cli executes stdin with zero bytes length, ensure to
pass a dummy string instead of a NULL pointer to uc_source_new_buffer()
to prevent libc's fmemopen() from writing to nonexistent memory.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Hwsim support
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The mac80211_hwsim module exposes a custom generic netlink family for
managing simulated phys and userspace data frame transmission.
Since hwsim functionality is closely related to nl80211 and useful to
e.g. manage simulated wireless testbeds, I decided to include support
directly into the nl80211 module.
Example calls for creating and destroying hwsim wiphys:
nl80211.request(nl80211.const.HWSIM_CMD_NEW_RADIO, 0, {
perm_addr: "02:11:22:33:44:55",
support_p2p_device: true
});
nl80211.request(nl80211.const.HWSIM_CMD_DEL_RADIO, 0, {
radio_name: "phy2"
});
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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The `nlctrl` and `nl80211` family pointers were never used, so drop them
from the connection context structure.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Some netlink attributes, e.g. `HWSIM_ATTR_TX_INFO` contain arrays of
structures. In order to cover this use-case, extend the ucode <-> nla
conversion routines to support `DT_NESTED` declaration in conjunction
with `DF_ARRAY`.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Some generic netlink commands, e.g. `HWSIM_CMD_NEW_RADIO` might reply with
a bogus netlink error message containing a positive error code, leading
to an infinite loop in `uc_nl_request()`.
Gracefully deal with such occurrences by remapping the error code to
`NLE_RANGE` with a custom message.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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nl80211: add wiphy multi-radio support
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Support new attributes that describe multiple radios belonging to a single
wiphy.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Includes the new attributes for wiphy multi-radio support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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For newly added attributes, the kernel prefers to no longer add a nesting
container attribute. Instead, an attribute with the element type is simply
added multiple times within the outer container.
Add support for this array style, which will be used in the pending wiphy
multi radio support.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Only one place needs access to another attribute from the tb array
(HE MCS rates). In order to make that access possible, add a flag to indicate
a second attribute dependency via auxdata.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Introduce a new "zlib" library which provides simplified bindings for
zlib inflate/deflate operations.
Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>
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Add fs module utility functions
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Implements file based locking on a given file handle.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Trunates the file referenced by a file handle
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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- document optional 'base' parameter on 'int' function
- add description of 'fn' parameter call sequence to 'map'
- add several usage examples to both 'int' and 'map'
- reference similarity between 'map' and 'filter' use of 'fn'
- fix a few typos
Signed-off-by: Eric Fahlgren <ericfahlgren@gmail.com>
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Socket improvements
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Implement socket.recvmsg(), socket.sendmsg() and support for encoding
and decoding well known control message types.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Handle varying integer sizes for socket option values
- Support interfaces name and index option values
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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- Treat address string values containing slashes as AF_UNIX addresses
- Default to SOCK_DGRAM for non AF_INET, AF_INET6 sockets
- Gracefully handle EOPNOTSUPP condition after listen() call
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Treat address strings containing slashes as AF_UNIX paths and do not
attempt to resolve them.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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Do not attempt to calculate a dynamic length for AF_UNIX socket addresses
but return the total size of `struct sockaddr_un`, like we do it for the
structures of other address families as well.
Fixes incorrect domain socket path truncation.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
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