From 557a1fa25a0a1d60bdb71ea3ad0e4e9a9cd9cc61 Mon Sep 17 00:00:00 2001 From: James Moger <james.moger@gitblit.com> Date: Tue, 17 Sep 2013 17:39:10 -0400 Subject: [PATCH] Ignore the contents of a default .git/description file --- src/main/java/com/gitblit/utils/JGitUtils.java | 46 ++++++++++++++++++++++++++++++++++++++++++---- 1 files changed, 42 insertions(+), 4 deletions(-) diff --git a/src/main/java/com/gitblit/utils/JGitUtils.java b/src/main/java/com/gitblit/utils/JGitUtils.java index 49b3ad7..cf6ec26 100644 --- a/src/main/java/com/gitblit/utils/JGitUtils.java +++ b/src/main/java/com/gitblit/utils/JGitUtils.java @@ -266,7 +266,7 @@ /** * Creates a bare, shared repository. - * + * * @param repositoriesFolder * @param name * @param shared @@ -353,7 +353,10 @@ } String getValue() { - if ( enumValue == GitConfigSharedRepositoryValue.Oxxx ) return Integer.toOctalString(intValue); + if ( enumValue == GitConfigSharedRepositoryValue.Oxxx ) { + if (intValue == 0) return "0"; + return String.format("0%o", intValue); + } return enumValue.getConfigValue(); } @@ -372,17 +375,50 @@ } + /** + * Adjust file permissions of a file/directory for shared repositories + * + * @param path + * File that should get its permissions changed. + * @param configShared + * Configuration string value for the shared mode. + * @return Upon successful completion, a value of 0 is returned. Otherwise, a value of -1 is returned. + */ public static int adjustSharedPerm(File path, String configShared) { return adjustSharedPerm(path, new GitConfigSharedRepository(configShared)); } + /** + * Adjust file permissions of a file/directory for shared repositories + * + * @param path + * File that should get its permissions changed. + * @param configShared + * Configuration setting for the shared mode. + * @return Upon successful completion, a value of 0 is returned. Otherwise, a value of -1 is returned. + */ public static int adjustSharedPerm(File path, GitConfigSharedRepository configShared) { if (! configShared.isShared()) return 0; + if (! path.exists()) return -1; int perm = configShared.getPerm(); - int mode = JnaUtils.getFilemode(path); + JnaUtils.Filestat stat = JnaUtils.getFilestat(path); + if (stat == null) return -1; + int mode = stat.mode; if (mode < 0) return -1; + + // Now, here is the kicker: Under Linux, chmod'ing a sgid file whose guid is different from the process' + // effective guid will reset the sgid flag of the file. Since there is no way to get the sgid flag back in + // that case, we decide to rather not touch is and getting the right permissions will have to be achieved + // in a different way, e.g. by using an appropriate umask for the Gitblit process. + if (System.getProperty("os.name").toLowerCase().startsWith("linux")) { + if ( ((mode & (JnaUtils.S_ISGID | JnaUtils.S_ISUID)) != 0) + && stat.gid != JnaUtils.getegid() ) { + LOGGER.debug("Not adjusting permissions to prevent clearing suid/sgid bits for '" + path + "'" ); + return 0; + } + } // If the owner has no write access, delete it from group and other, too. if ((mode & JnaUtils.S_IWUSR) == 0) perm &= ~0222; @@ -391,7 +427,7 @@ if (configShared.isCustom()) { // Use the custom value for access permissions. - mode |= (mode & ~0777) | perm; + mode = (mode & ~0777) | perm; } else { // Just add necessary bits to existing permissions. @@ -706,6 +742,8 @@ try { if (tree == null) { ObjectId object = getDefaultBranch(repository); + if (object == null) + return null; RevCommit commit = rw.parseCommit(object); tree = commit.getTree(); } -- Gitblit v1.9.1