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authorMattias Andrée <maandree@operamail.com>2014-05-06 00:22:25 +0200
committerMattias Andrée <maandree@operamail.com>2014-05-06 00:22:25 +0200
commit8ef7900438ed190301a2d9585ad81aac5987ee2a (patch)
tree1a352bdc81cd4c84a9d25a89b42e0286ecebc69e
parentclose untracked files if unmarshal from re-exec fails (diff)
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close files before running initrc
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r--src/mds-server.c44
1 files changed, 29 insertions, 15 deletions
diff --git a/src/mds-server.c b/src/mds-server.c
index cb2bfc2..1349ee3 100644
--- a/src/mds-server.c
+++ b/src/mds-server.c
@@ -214,6 +214,25 @@ int main(int argc_, char** argv_)
}
if (pid == 0) /* Child process exec:s, the parent continues without waiting for it. */
{
+ /* Close all files except stdin, stdout and stderr. */
+ DIR* dir = opendir(SELF_FD);
+ struct dirent* file;
+
+ if (dir == NULL)
+ perror(*argv); /* Well, that is just unfortunate, but we cannot really do anything. */
+ else
+ while ((file = readdir(dir)) != NULL)
+ if (strcmp(file->d_name, ".") && strcmp(file->d_name, ".."))
+ {
+ int fd = atoi(file->d_name);
+ if (fd > 2)
+ close(fd);
+ }
+
+ closedir(dir);
+ close(socket_fd); /* Perhaps it is stdin, stdout or stderr. */
+
+ /* Run initrc */
run_initrc(unparsed_args);
return 1;
}
@@ -290,26 +309,21 @@ int main(int argc_, char** argv_)
struct dirent* file;
if (dir == NULL)
- {
- perror(*argv); /* Well, that is just unfortunate, but we cannot really do anything. */
- closedir(dir);
- goto unmarshal_double_fail;
- }
-
- while ((file = readdir(dir)) != NULL)
- if (strcmp(file->d_name, ".") && strcmp(file->d_name, ".."))
- {
- int fd = atoi(file->d_name);
- if ((fd > 2) && (fd != socket_fd) &&
- (fd_table_contains_key(&client_map, fd) == 0))
- close(fd);
- }
+ perror(*argv); /* Well, that is just unfortunate, but we cannot really do anything. */
+ else
+ while ((file = readdir(dir)) != NULL)
+ if (strcmp(file->d_name, ".") && strcmp(file->d_name, ".."))
+ {
+ int fd = atoi(file->d_name);
+ if ((fd > 2) && (fd != socket_fd) &&
+ (fd_table_contains_key(&client_map, fd) == 0))
+ close(fd);
+ }
closedir(dir);
}
}
- unmarshal_double_fail:
/* Accepting incoming connections. */
while (running && (reexecing == 0))
{