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* printf-hook-builtin: Support Windows console colors using TTY escape codesMartin Willi2014-06-042-1/+128
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* capabilities: Add build support for WindowsMartin Willi2014-06-041-3/+37
| | | | We might extend it in the future using some Windows rights management.
* windows: Use _getmaxstdio as replacement for syscall(_SC_OPEN_MAX)Martin Willi2014-06-031-0/+4
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* windows: replace mkdir() with Windows _mkdir() variantMartin Willi2014-06-031-0/+4
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* windows: Provide wrappers for dlopen() function familyMartin Willi2014-06-031-0/+81
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* windows: Add a common Windows header for platform specific wrappersMartin Willi2014-06-035-11/+170
| | | | | Include some more basic system headers in utils.h, so we can use that common header on the different platforms.
* enum: Return boolean result for enum_from_name() lookupMartin Willi2014-05-162-5/+27
| | | | | | | | | | | Handling the result for enum_from_name() is difficult, as checking for negative return values requires a cast if the enum type is unsigned. The new signature clearly differentiates lookup result from lookup value. Further, this actually allows to convert real -1 enum values, which could not be distinguished from "not-found" and the -1 return value. This also fixes several clang warnings where enums are unsigned.
* enum: Don't directly include enum.hMartin Willi2014-05-163-4/+5
| | | | | To allow enum.h to depend on utils.h definitions, avoid its direct inclusion. Instead include utils.h, which includes enum.h as well.
* parser-helper: Define debug macros depending on DEBUG_LEVELTobias Brunner2014-05-151-3/+20
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* parser-helper: Make parser_helper_file_t privateTobias Brunner2014-05-152-55/+37
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* parser-helper: Make parser_helper_log a functionTobias Brunner2014-05-152-9/+28
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* settings: Reduce log verbosity if files can't be openedTobias Brunner2014-05-151-1/+1
| | | | Basically reintroducing 2a38b4556e9fd8102bd6c6c61f2893599a5e8e51.
* parser-helper: Add utility class for flex/bison based parsersTobias Brunner2014-05-152-0/+403
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* settings: Move to a separate folderTobias Brunner2014-05-152-1868/+0
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* utils: Provide a CALLBACK macro, similar to METHOD, but for void* callbacksMartin Willi2014-05-071-0/+13
| | | | | | Using the same mechanism as the METHOD macro, the CALLBACK macro defines a hybrid function signature. It strictly uses a weak void* for the first function parameter, in contrast to the dynamic METHOD object "this" type.
* utils: Enable __atomic* built-ins based on the GCC versionTobias Brunner2014-05-041-0/+7
| | | | | | | | | | | This solves a problem with GNAT when compiling charon-tkm as __atomic* built-ins are only provided in GCC 4.7 and newer. Currently GNAT 4.6 and GCC 4.7.2 is shipped with Debian wheezy (stable), as used in the testing environment. So while the configure script correctly detected the __atomic* built-ins, and defined HAVE_GCC_ATOMIC_OPERATIONS, this define turned out to be incorrect when charon-tkm was later built with GNAT.
* utils: Use GCC's __atomic built-ins if availableTobias Brunner2014-04-242-3/+22
| | | | | | | | These are available since GCC 4.7 and will eventually replace the __sync operations. They support the memory model defined by C++11. For instance, by using __ATOMIC_RELAXED for some operations on the reference counters we can avoid memory barriers, which are required by __sync operations (whose memory model essentially is __ATOMIC_SEQ_CST).
* utils: Add ref_cur() to retrieve the current value of a reference counterTobias Brunner2014-04-242-3/+24
| | | | | | | | | | On many architectures it is safe to read the value directly (those using cache coherency protocols, and with atomic loads for 32-bit values) but it is not if that's not the case or if we ever decide to make refcount_t 64-bit (load not atomic on x86). So make sure the operation is actually atomic and that users do not have to care about the size of refcount_t.
* leak-detective: LEAK_DETECTIVE_DISABLE completely disables LDTobias Brunner2014-04-032-15/+18
| | | | | If lib->leak_detective is non-null some code parts (e.g. the plugin loader) assume LD is actually used.
* unit-tests: Always load address of testable functionsTobias Brunner2014-03-311-1/+1
| | | | | | | The addresses can actually change as plugins are loaded/unloaded for each test case. Fixes #551.
* settings: Reduce log verbosity if strongswan.conf does not existTobias Brunner2014-03-311-1/+10
| | | | | In some situations we expect strongswan.conf to not exist, for instance, when running the unit tests before installation.
* unit-tests: Implement registered functions without __builtin_apply()Tobias Brunner2014-03-201-17/+17
| | | | | This makes the tests work with clang, which does not implement said builtin.
* unit-tests: Prefix imported testable functions with TEST_Tobias Brunner2014-03-201-3/+3
| | | | This avoids any clashes with existing functions in the monolithic build.
* unit-tests: Change how hashtable for testable functions is createdTobias Brunner2014-03-202-19/+36
| | | | | | | | Because GCC does not adhere to the priorities defined for constructors when building with --enable-monolithic (not sure if it was just luck that it worked in non-monolithic mode - anyway, it's not very portable) function registration would fail because the hashtable would not be created yet.
* settings: Log all errors on level 1Tobias Brunner2014-03-041-4/+3
| | | | Closes #539.
* settings: Avoid conf file parsing beyond allocated bufferThomas Egerer2014-03-031-2/+2
| | | | | | | | | | | | | | | A valgrind analysis of libstrongswan revealed an invalid read of 1 in the function starts_with(). A more thorough analysis proved this to be true and showed that with a specially crafted config file (e.g. a single '#'-character not followed by a newline), the parser might even interpret the random memory contents following the allocated buffer as part of the configuration file. The way the parser is designed, it must be able to skip an inserted '\0' and continue parsing. Since it is not able to skip two '\0' characters, the 'fix' of allocating two more bytes than the size of the parsed file and setting them to '\0' seems to be a safe bet. Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
* utils: Add memrchr(3) replacement for platforms that don't support itTobias Brunner2014-02-262-1/+37
| | | | For instance, on Mac OS X memrchr(3) is not provided by the C library.
* settings: Use thread-safe dirname(3)Tobias Brunner2014-02-241-5/+3
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* utils: Add thread-safe variants of dirname(3) and basename(3)Tobias Brunner2014-02-242-4/+88
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* utils: Move thread-safe strerror replacement to a separate fileTobias Brunner2014-02-245-96/+139
| | | | | For some utils _GNU_SOURCE might be needed but that conflicts with the signature of strerror_r(3).
* settings: Use dirname(3) correctlyTobias Brunner2014-02-241-4/+4
| | | | | | | | dirname(3) may return a pointer to a statically allocated buffer. So freeing the returned value can result to undefined behavior. This was noticed on FreeBSD where it caused very strange crashes. It is also not thread-safe, which will be addressed later.
* Fixed some typosTobias Brunner2014-02-181-3/+3
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* printf-hook-glibc: printf.h on FreeBSD 10 does not include stdargs.hTobias Brunner2014-02-131-1/+1
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* settings: Add support to enumerate sections and key/value pairs with fallbacksTobias Brunner2014-02-122-35/+163
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* settings: Implement subsections and key/value pairs with sorted arraysTobias Brunner2014-02-121-68/+74
| | | | | | Is a bit more memory efficient (also due to lazy instantiation) and lookups for sections with lots of subsections/keys (e.g. charon.plugins) are faster.
* lib: All settings use configured namespaceTobias Brunner2014-02-121-3/+3
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* settings: Add method that allows to define fallback sections for other sectionsTobias Brunner2014-02-122-13/+167
| | | | | The fallbacks are currently only used for single value lookups. Enumerators are not affected by them.
* settings: Make print_key() not rely on null-terminated beginning of key bufferTobias Brunner2014-02-121-10/+5
| | | | | The key to print (e.g. until the next .) still has to be null-terminated.
* settings: Allow empty strings in section keyTobias Brunner2014-02-121-23/+31
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* identification: Fix printing of empty RDNs on FreeBSDTobias Brunner2014-02-121-1/+6
| | | | On FreeBSD (null) is printed for NULL even if the precision is 0.
* leak_detective: Assign return value of realloc to bufThomas Egerer2014-02-101-1/+1
| | | | | | | If realloc return a pointer value different from the value to be reallocated, a double free can occur in this context. Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
* integrity-checker: Use chunk_map() instead of non-portable mmap()Martin Willi2014-01-231-31/+6
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* chunk: Externalize error reporting in chunk_write()Martin Willi2014-01-232-11/+9
| | | | | This avoids passing that arbitrary label just for error messages, and gives greater flexibility in handling errors.
* chunk: Provide a fallback chunk_map() if mmap is not availableMartin Willi2014-01-231-1/+46
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* chunk: Use dynamically allocated buffer in chunk_from_fd()Martin Willi2014-01-232-14/+46
| | | | | | | | When acting on files, we can use fstat() to estimate the buffer size. On non-file FDs, we dynamically increase an allocated buffer. Additionally we slightly change the function signature to properly handle zero-length files and add appropriate unit tests.
* chunk: Add functions to map file contents to a chunkMartin Willi2014-01-232-0/+106
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* utils: Add strreplace functionTobias Brunner2014-01-232-2/+68
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* agent: Keep CAP_DAC_OVERRIDE to connect to ssh-agent socketTobias Brunner2014-01-231-0/+3
| | | | This is also required if charon-cmd is used with capability dropping.
* printf-hook-builtin: Correctly calculate written bytes in print_in_hook()Martin Willi2014-01-151-3/+7
| | | | | | | | | | The hook data counts remaining buffer bytes, not used ones. Counting them correctly fixes a crash for long hexdumps. Further, print_in_hook() must return the number of bytes that would have been written, not the actually written bytes. This is important, as we allocate a dynamic buffer in bus that relies on the exact byte count. Fixes long hexdumps that got truncated.
* utils: Fix %T printf hook on big-endian systemsTobias Brunner2014-01-061-1/+1
| | | | | | | | The cast to a bool* cut of the actual value on big-endian systems if bool was shorter than int because the bool argument to printf gets promoted to an int. Fixes #479.
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