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path: root/lib/libalpm/signing.c
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* Fix compilation error on clangAllan McRae2013-02-13
| | | | | | | | This also lead me to notice that in _alpm_gpgme_checksig many things were not being cleaned up. Fix this by having CHECK_ERR goto gpg_error and make the required adjustments. Signed-off-by: Allan McRae <allan@archlinux.org>
* Import key if needed when installing package from fileAllan McRae2013-02-09
| | | | | | | | When installing a package with "pacman -U" that has a detached signature, check if the needed key is in the keyring and download if necessary. Signed-off-by: Allan McRae <allan@archlinux.org>
* Make decode_signature available to the libraryAllan McRae2013-02-09
| | | | Signed-off-by: Allan McRae <allan@archlinux.org>
* Add function to extract key id from signaturesAllan McRae2013-02-09
| | | | | | | This does not support all possibilities of RFC4880, but it does cover every key currently used in Arch Linux. Signed-off-by: Allan McRae <allan@archlinux.org>
* Move key importing into separate functionAllan McRae2013-02-09
| | | | | | | | This will be useful for checking the availablity of all keys before perfoming validation in sync operations and for downloading a needed key in upgrade operations. Signed-off-by: Allan McRae <allan@archlinux.org>
* Make key_in_keychain available in libraryAllan McRae2013-02-09
| | | | | | | In preparation for checking key presence and downloading needed keys before conflict checking. Signed-off-by: Allan McRae <allan@archlinux.org>
* Fix space between control structure and open parensGerardo Exequiel Pozzi2013-01-04
| | | | | Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar> Signed-off-by: Allan McRae <allan@archlinux.org>
* Fix open braces styleGerardo Exequiel Pozzi2013-01-04
| | | | | Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar> Signed-off-by: Allan McRae <allan@archlinux.org>
* Update copyright year for 2013Allan McRae2013-01-03
| | | | Signed-off-by: Allan McRae <allan@archlinux.org>
* Fix future signature timestamp warningAllan McRae2012-12-14
| | | | | | | | | | | | The warning given for a signature timstamp being in the future compared to the system time stated the opposite. Also, move this warning to debug output. It is useless in its current form as the package or database that is giving the error is not mentioned and so other debug output is needed to find the offending signature. Signed-off-by: Allan McRae <allan@archlinux.org>
* Merge branch 'maint'Dan McGee2012-09-18
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| * signing.c: warn if time went backwardsFlorian Pritz2012-09-18
| | | | | | | | | | | | | | | | | | GPG signatures have a timestamp which is checked and if it's in the future, verification will fail. Dan: slight wording change. Signed-off-by: Florian Pritz <bluewind@xinu.at>
* | Merge branch 'maint'Dan McGee2012-04-12
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| * Fix issues with unintialized variable value usageDan McGee2012-04-09
| | | | | | | | | | | | | | | | | | | | | | | | Detected by clang scan-build static code analyzer. * Don't attempt to free an uninitialized gpgme key variable * Initialize answer variable before asking frontend a question * Pass by reference instead of value if uninitialized fields are possible in download signal handler code * Ensure we never call strlen() on NULL payload->remote_name value Signed-off-by: Dan McGee <dan@archlinux.org>
* | Merge branch 'maint'Dan McGee2012-04-07
|\| | | | | | | | | | | Conflicts: lib/libalpm/signing.c lib/libalpm/sync.c
| * signing: cope with gpg2's failure at lifeDave Reisner2012-03-28
| | | | | | | | | | | | | | | | For key searches only, gpg2 will fail to lookup any and all keys that are not prefixed with 0x. Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
* | Merge branch 'maint'Dan McGee2012-01-23
|\| | | | | | | | | | | Conflicts: lib/libalpm/diskspace.c src/pacman/util.h
| * Update copyright on changed files since beginning of yearDan McGee2012-01-18
| | | | | | | | Signed-off-by: Dan McGee <dan@archlinux.org>
* | Reorder some operations in sig check for efficiencyDan McGee2012-01-12
| | | | | | | | | | | | | | | | We don't need to open the data to be checked if we don't have a signature to check against, so postpone that open until we know we have either the base64_data or a valid signature file. Signed-off-by: Dan McGee <dan@archlinux.org>
* | Merge branch 'maint'Dan McGee2012-01-08
|\| | | | | | | | | | | | | Conflicts: lib/libalpm/signing.c Signed-off-by: Dan McGee <dan@archlinux.org>
| * Search for PGP subkeys in a keyserver-acceptable wayDan McGee2012-01-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | PGP keyservers are pieces of sh** when it comes to searching for subkeys, and only allow it if you submit an 8-character fingerprint rather than the recommended and less chance of collision 16-character fingerprint. Add a second remote lookup for the 8-character version of a key ID if we don't find anything the first time we look up the key. This fixes FS#27612 and the deficiency has been sent upstream to the GnuPG users mailing list as well. Signed-off-by: Dan McGee <dan@archlinux.org>
* | include config.h via MakefilesDave Reisner2011-12-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ensures that config.h is always ordered correctly (first) in the includes. Also means that new source files get this for free without having to remember to add it. We opt for -imacros over -include as its more portable, and the added constraint by -imacros doesn't bother us for config.h. This also touches the HACKING file to remove the explicit mention of config.h as part of the includes. Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
* | add key algo to import msgFlorian Pritz2011-11-20
| | | | | | | | | | Signed-off-by: Florian Pritz <bluewind@xinu.at> Signed-off-by: Dan McGee <dan@archlinux.org>
* | change gpg import message to resemble gpg --list-keysFlorian Pritz2011-11-20
|/ | | | | | | Dan: const pointers, don't worry about bitfields. Signed-off-by: Florian Pritz <bluewind@xinu.at> Signed-off-by: Dan McGee <dan@archlinux.org>
* Show an error message on failed remote key lookupDan McGee2011-10-17
| | | | | | | | | | | | | The absolutely terrible part about this is the failure on GPGME's part to distinguish between "key not found" and "keyserver timeout". Instead, it returns the same silly GPG_ERR_EOF in both cases (why isn't GPG_ERR_TIMEOUT being used?), leaving us helpless to tell them apart. Spit out a generic enough error message that covers both cases; unfortunately we can't provide much guidance to the user because we aren't sure what actually happened. Signed-off-by: Dan McGee <dan@archlinux.org>
* Add user-visible warning message if public keyring not foundDan McGee2011-10-12
| | | | | | | This should help point users in the right direction if they have not initialized via pacman-key just yet. Signed-off-by: Dan McGee <dan@archlinux.org>
* signing: delay gpgme_init() until latest possible momentDan McGee2011-10-12
| | | | | | | | | | | | | | In the default configuration, we can enter the signing code but still have nothing to do with GPGME- for example, if database signatures are optional but none are present. Delay initialization of GPGME until we know there is a signature file present or we were passed base64-encoded data. This also makes debugging with valgrind a lot easier as you don't have to deal with all the GPGME error noise because their code leaks like a sieve. Signed-off-by: Dan McGee <dan@archlinux.org>
* Fix compilation using --without-gpgmeDan McGee2011-09-27
| | | | | | | I'm really good at breaking this on a regular basis. If only we had some sort of automated testing for this... Signed-off-by: Dan McGee <dan@archlinux.org>
* Remove unnecessary loggerDan McGee2011-09-27
| | | | | | | This is just a wrapper function; the real function we call logs an almost identical line. Signed-off-by: Dan McGee <dan@archlinux.org>
* Update Doxyfile and fix some documentation errors caught by DoxygenDan McGee2011-09-22
| | | | | | | A few parameters were outdated or wrongly named, and a few things were explicitly linked that Doxygen wasn't able to resolve. Signed-off-by: Dan McGee <dan@archlinux.org>
* Handle key import errors correctly and with good error messagesDan McGee2011-09-22
| | | | | | | | | This adds calls to gpgme_op_import_result() which we were not looking at before to ensure the key was actually imported. Additionally, we do some preemptive checks to ensure the keyring is even writable if we are going to prompt the user to add things to it. Signed-off-by: Dan McGee <dan@archlinux.org>
* signing: be consistent with returning -1 for error casesDan McGee2011-09-22
| | | | | | | | This also fixes a segfault found by dave when key_search is unsuccessful; the key_search return code documentation has also been updated to reflect reality. Signed-off-by: Dan McGee <dan@archlinux.org>
* Add status and check for key being disabledDan McGee2011-09-22
| | | | | | | | | | Because we aren't using gpgv and a dedicated keyring that is known to be all safe, we should honor this flag being set on a given key in the keyring to know to not honor it. This prevents a key from being reimported that a user does not want to be used- instead of deleting, one should mark it as disabled. Signed-off-by: Dan McGee <dan@archlinux.org>
* Implement PGP key search and importDan McGee2011-09-22
| | | | | | | | | | | | | | | Add two new static methods, key_search() and key_import(), to our growing list of signing code. If we come across a key we do not have, attempt to look it up remotely and ask the user if they wish to import said key. If they do, flag the validation process as a potential 'retry', meaning it might succeed the next time it is ran. These depend on you having a 'keyserver hkp://foo.example.com' line in your gpg.conf file in your gnupg home directory to function. Signed-off-by: Dan McGee <dan@archlinux.org>
* signing: document most undocumented functionsDan McGee2011-09-22
| | | | Signed-off-by: Dan McGee <dan@archlinux.org>
* Fix possible segfault if siglist was emptyDan McGee2011-09-22
| | | | | | | | If siglist->results wasn't a NULL pointer, we would try to free it anyway, even if siglist->count was zero. Only attempt to free this pointer if we had results and the pointer is valid. Signed-off-by: Dan McGee <dan@archlinux.org>
* signing: add a process and retry loop for database signaturesDan McGee2011-09-20
| | | | | | | | | | | | | | | | | | | | | | | In reality, there is no retrying that happens as of now because we don't have any import or changing of the keyring going on, but the code is set up so we can drop this in our new _alpm_process_siglist() function. Wire up the basics to the sync database validation code, so we see something like the following: $ pacman -Ss unknowntrust error: core: signature from "Dan McGee <dpmcgee@gmail.com>" is unknown trust error: core: signature from "Dan McGee <dpmcgee@gmail.com>" is unknown trust error: database 'core' is not valid (invalid or corrupted database (PGP signature)) $ pacman -Ss missingsig error: core: missing required signature error: core: missing required signature error: database 'core' is not valid (invalid or corrupted database (PGP signature)) Yes, there is some double output, but this should be fixable in the future. Signed-off-by: Dan McGee <dan@archlinux.org>
* Allow our PGP helper method to pass back the signature resultsDan McGee2011-09-20
| | | | | | | This will make its way up the call chain eventually to allow trusting and importing of keys as necessary. Signed-off-by: Dan McGee <dan@archlinux.org>
* Fix build without gpgmeDan McGee2011-09-18
| | | | Signed-off-by: Dan McGee <dan@archlinux.org>
* More package operations cleanupDan McGee2011-09-02
| | | | | | | | Neither deltas nor filename attributes are ever present in the local database, so we can remove all of the indirection for accessing these attributes. Signed-off-by: Dan McGee <dan@archlinux.org>
* Add more info to debug key displayDan McGee2011-08-28
| | | | Signed-off-by: Dan McGee <dan@archlinux.org>
* Refactor signature result return formatDan McGee2011-08-28
| | | | | | | | | | | | | | | | | | | I was trying to take a shortcut and not introduce a wrapper struct for the signature results, so packed it all into alpm_sigresult_t in the first iteration. However, this is painful when one wants to add new fields or only return information regarding a single signature. Refactor the type into a few components which are exposed to the end user, and will allow a lot more future flexibility. This also exposes more information regarding the key to the frontend than was previously available. The "private" void *data pointer is used by the library to store the actual key object returned by gpgme; it is typed this way so the frontend has no expectations of what is there, and so we don't have any hard gpgme requirement in our public API. Signed-off-by: Dan McGee <dan@archlinux.org>
* lib/libalpm/signing.c: Fix memory leak in decode_signature() in case of error.Diogo Sousa2011-08-28
| | | | | Signed-off-by: Diogo Sousa <diogogsousa@gmail.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* Always process validity value returned by gpgmeDan McGee2011-08-25
| | | | | | | Don't force 'never'; you should be checking both the status and validity anyway. Signed-off-by: Dan McGee <dan@archlinux.org>
* Fix small memory leak in sig check codeDan McGee2011-08-25
| | | | Signed-off-by: Dan McGee <dan@archlinux.org>
* Remove argument from check_pgp_helperDan McGee2011-08-25
| | | | | | | This one wasn't all that necessary as we only used it in one place in the function, which can be checked easily enough at the call site. Signed-off-by: Dan McGee <dan@archlinux.org>
* Remove alpm_option_get_* usage from backendDan McGee2011-08-19
| | | | | | These are all available directly on the handle without indirection. Signed-off-by: Dan McGee <dan@archlinux.org>
* Fix compilation using --without-gpgmeDan McGee2011-08-16
| | | | | | | This function is used regardless of whether gpgme support is enabled, so make sure it is always accessible. Signed-off-by: Dan McGee <dan@archlinux.org>
* Only check necessary signatures and checksumsDan McGee2011-08-15
| | | | | | | | | | | The precedence goes as follows: signature > sha256sum > md5sum Add some logic and helper methods to check what we have available when loading a package, and then only check what is necessary to verify the package. This should speed up sync database verifies as we no longer will be doing both a checksum and a signature validation. Signed-off-by: Dan McGee <dan@archlinux.org>
* decode_signature: guess signature data length for efficiencyDan McGee2011-08-15
| | | | | | | | | We may end up allocating 1 or 2 extra bytes this way, but it is worth it to simplify the method and not have to call base64_decode() a second time. Use the hueristic that base64 encoding produces 3 bytes of decoded data for every 4 bytes of encoded data. Signed-off-by: Dan McGee <dan@archlinux.org>
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