[PATCH v5 4/5] merge/pull Check for untrusted good GPG signatures
- From
- Sebastian Götte <jaseg@physik.tu-berlin.de>
- Date
- Mar 30, 2013, 00:14 UTC
- Message-ID
- <51562E79.7000202@physik.tu-berlin.de>
- In-Reply-To
- <cover.1364601337.git.jaseg@physik-pool.tu-berlin.de>
When --verify-signatures is specified, abort the merge in case a good GPG signature from an untrusted key is encountered.
Signed-off-by: Sebastian Götte <jaseg@physik-pool.tu-berlin.de> --- Documentation/merge-options.txt | 4 ++-- builtin/merge.c | 2 ++ commit.c | 2 ++ commit.h | 9 +++++---- gpg-interface.h | 2 +- t/lib-gpg/pubring.gpg | Bin 1164 -> 2359 bytes t/lib-gpg/random_seed | Bin 600 -> 600 bytes t/lib-gpg/secring.gpg | Bin 1237 -> 3734 bytes t/lib-gpg/trustdb.gpg | Bin 1280 -> 1360 bytes t/t7612-merge-verify-signatures.sh | 9 +++++++++ 10 files changed, 21 insertions(+), 7 deletions(-)
diff --git a/Documentation/merge-options.txt b/Documentation/merge-options.txt index 31f1067..a0f022b 100644 --- a/Documentation/merge-options.txt +++ b/Documentation/merge-options.txt @@ -85,8 +85,8 @@ option can be used to override --squash. --verify-signatures:: --no-verify-signatures:: - Verify that the commits being merged have good GPG signatures and abort the - merge in case they do not. + Verify that the commits being merged have good and trusted GPG signatures + and abort the merge in case they do not. --summary:: --no-summary:: diff --git a/builtin/merge.c b/builtin/merge.c index cb3e9ea..5b2ece1 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -1251,6 +1251,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (verbosity >= 0) printf(_("Commit %s has a good GPG signature by %s (key fingerprint %s)\n"), hex, signature_check.signer, signature_check.key); break; + case 'U': + die(_("Commit %s has a good GPG signature allegedly by %s, albeit from an untrusted key (fingerprint %s)."), hex, signature_check.signer, signature_check.key); case 'B': die(_("Commit %s has a bad GPG signature allegedly by %s (key fingerprint %s)."), hex, signature_check.signer, signature_check.key); default: /* 'N' */ diff --git a/commit.c b/commit.c index 48f09e9..b132c15 100644 --- a/commit.c +++ b/commit.c @@ -1027,6 +1027,8 @@ static struct { char result; const char *check; } sigcheck_gpg_status[] = { + { 'U', "[GNUPG:] TRUST_UNDEFINED" }, + { 'U', "[GNUPG:] TRUST_NEVER" }, { 'G', "[GNUPG:] GOODSIG " }, { 'B', "[GNUPG:] BADSIG " }, }; diff --git a/commit.h b/commit.h index 941f7f3..27d9b36 100644 --- a/commit.h +++ b/commit.h @@ -232,10 +232,11 @@ extern void print_commit_list(struct commit_list *list, const char *format_last); /* - * Check the signature of the given commit. The result of the check is stored in - * sig->check_result, 'G' for a good signature, 'B' for a bad signature and 'N' - * for no signature at all. - * This may allocate memory for sig->gpg_output, sig->gpg_status, sig->signer and sig->key. + * Check the signature of the given commit. The result of the check is stored + * in sig->check_result, 'G' for a good signature, 'U' for a good signature + * from an untrusted signer, 'B' for a bad signature and 'N' for no signature + * at all. This may allocate memory for sig->gpg_output, sig->gpg_status, + * sig->signer and sig->key. */ extern void check_commit_signature(const struct commit* commit, struct signature_check *sigc); diff --git a/gpg-interface.h b/gpg-interface.h index 44f70aa..d2e512d 100644 --- a/gpg-interface.h +++ b/gpg-interface.h @@ -4,7 +4,7 @@ struct signature_check { char *gpg_output; char *gpg_status; - char check_result; /* 0 (not checked), N (checked but no further result), G (good) or B (bad) */ + char check_result; /* 0 (not checked), N (checked but no further result), U (untrusted, good), G (good) or B (bad) */ char *signer; char *key; }; diff --git a/t/lib-gpg/pubring.gpg b/t/lib-gpg/pubring.gpg index 83855fa4e1c6c37afe550c17afa1e7971042ded5..1a3c2d487c2fda9169751a3068fa51e853a1e519 100644 GIT binary patch delta 1212 zcmV;t1Vj6b3AYlkj0As~0SyFEOqNFh2mr~8{AU1PG9!Ku9w|}@vpZJPg*#s86v-*O zhafj(DL&&lF<A0)`tvC$E@WHJ2r~0{0ZCh1kHo$b9ih^aD*~)oVvK&yC1(yi)6x_y zF8V3JpbIY^ZYQ&<Uk#j*ja0`;jw^J+5~!h3qc)ej%g1;Wb0U8cXSuLKdXkx2PUtB4 z>zqQ>O;r+6Qa<VFd?Z<kA#8Ch(&2p+QaoKR;K0{BU;l_DqGU2YCt6Fr4psgB*tPou z8C@tnj=CqkffSLs=a-5G+h;Y8bkw<s-iIgT{$f^j!)l`hmkz}$nZPxBoPmwU;zIH^ zLN~K=bO>hGBes9{Fcqzh%Wj2h^{ZjI01*KI0kkAVa%poQL}_zlZ*pX5VIVwYX>((5 za%4bdcwudDY-KKPWpqA?0XPH`0RjLb1p-k_mPY~`0|pBT2nPcK1{DYb2?`4Y76JnS z0v-VZ7k~f?2@qikE`_%uafw)?2m1%-{uDP0Rs1|(F{OVhOSKoH$k!o)x3CO5Z^@El zxGq=+xQGR&r@3$S<0@SUu@@UuxUH%pD3Q-D`?37Vg*xmo<%+KD)(U~k>XU^b+=70V zFr?b3DvlFq^B*d%lz=lr!ch6nQbvcwWCD}n2DT3`r?RDkq=7r}qFvEh<dfApA7yR; z8`OB;$TEKm@jkwG=8vlcKFd>rcM8+9eP66QueaUSz6NhphD3O@E(iX7T@2kxV(dXd zxG_$z;qqdh<Np6*{J!OD7<b;8M6otxRi0UUN|OngZ4NdYbeU0hneiVEwY2h5xZ4z{ zsXL4>UkGxJ?Pc}MK(e<Q>lV@oumS)Bxd9CXQA~f9M*#=`sXI><#Mh|Ll%uxJqK}<$ zc)VOU|M7H$nU~Bd&(!9WlLk)V)&z>UY~vSc_rVFe1JAY7ThlG1IzE9z6>ly;9W<Ie zrW&+EU|2KpxZ$0rq-Jn9T{vsi6Qh0j42I3_PLQ5$)qa$}3etj89nJkr^3#KD!xh9* z4BvmZ0TM||zk);(8@JN=fad9d4hK=Hf1{&&J5DP=<J9wW0IGZ_*p$xvH=WZu8h1r# z-&1Cjfqp9S1m|b%7<S$7Du_^GfwyFyObC4EMw~6<SwH1<W45gXD*OLAz9x~@tJ8<? 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-- 1.8.1.5