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openSUSE:Step:15-SP1
mutt.17505
mutt-1.6.1-opennfs.dif
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File mutt-1.6.1-opennfs.dif of Package mutt.17505
--- Makefile.am | 4 - lib.c | 8 ++- mbox.c | 5 ++ mh.c | 8 +++ mutt.h | 3 + opennfs.c | 122 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ sendlib.c | 4 + 7 files changed, 150 insertions(+), 4 deletions(-) --- Makefile.am +++ Makefile.am 2018-07-04 12:36:51.255902140 +0000 @@ -32,7 +32,7 @@ mutt_SOURCES = \ edit.c enter.c flags.c init.c filter.c from.c \ getdomain.c group.c \ handler.c hash.c hdrline.c headers.c help.c hook.c keymap.c \ - main.c mbox.c menu.c mh.c mx.c pager.c parse.c pattern.c \ + main.c mbox.c menu.c mh.c mx.c opennfs.c pager.c parse.c pattern.c \ postpone.c query.c recvattach.c recvcmd.c \ rfc822.c rfc1524.c rfc2047.c rfc2231.c rfc3676.c \ score.c send.c sendlib.c signal.c sort.c \ @@ -85,7 +85,7 @@ mutt_dotlock_SOURCES = mutt_dotlock.c mutt_dotlock_LDADD = $(LIBOBJS) mutt_dotlock_DEPENDENCIES = $(LIBOBJS) -pgpring_SOURCES = pgppubring.c pgplib.c lib.c extlib.c sha1.c md5.c pgppacket.c ascii.c +pgpring_SOURCES = opennfs.c pgppubring.c pgplib.c lib.c extlib.c sha1.c md5.c pgppacket.c ascii.c pgpring_LDADD = $(LIBOBJS) $(INTLLIBS) pgpring_DEPENDENCIES = $(LIBOBJS) $(INTLDEPS) --- lib.c +++ lib.c 2018-07-04 12:52:11.255140696 +0000 @@ -50,9 +50,9 @@ #define EX_OK 0 #endif +#include "mutt.h" #include "lib.h" - static const struct sysexits { int v; @@ -633,6 +633,10 @@ int safe_open (const char *path, int fla struct stat osb, nsb; int fd; +#if defined(__linux__) + if ((fd = opennfs (path, flags, 0600)) < 0) + return fd; +#else if (flags & O_EXCL) { char safe_file[_POSIX_PATH_MAX]; @@ -656,7 +660,7 @@ int safe_open (const char *path, int fla if ((fd = open (path, flags & ~O_EXCL, 0600)) < 0) return fd; - +#endif /* make sure the file is not symlink */ if (lstat (path, &osb) < 0 || fstat (fd, &nsb) < 0 || compare_stat(&osb, &nsb) == -1) --- mbox.c +++ mbox.c 2018-07-04 12:42:52.949313860 +0000 @@ -867,8 +867,13 @@ static int mbox_sync_mailbox (CONTEXT *c /* Create a temporary file to write the new version of the mailbox in. */ mutt_mktemp (tempfile, sizeof (tempfile)); +#if defined(__linux__) + if ((i = opennfs(tempfile, O_WRONLY | O_EXCL | O_CREAT, 0600)) == -1 || + (fp = fdopen(i, "w")) == NULL) +#else if ((i = open (tempfile, O_WRONLY | O_EXCL | O_CREAT, 0600)) == -1 || (fp = fdopen (i, "w")) == NULL) +#endif { if (-1 != i) { --- mh.c +++ mh.c 2018-07-04 12:46:06.973778914 +0000 @@ -357,7 +357,11 @@ static int mh_mkstemp (CONTEXT * dest, F { snprintf (path, _POSIX_PATH_MAX, "%s/.mutt-%s-%d-%d", dest->path, NONULL (Hostname), (int) getpid (), Counter++); +#if defined(__linux__) + if ((fd = opennfs(path, O_WRONLY | O_EXCL | O_CREAT, 0666)) == -1) +#else if ((fd = open (path, O_WRONLY | O_EXCL | O_CREAT, 0666)) == -1) +#endif { if (errno != EEXIST) { @@ -1496,7 +1500,11 @@ static int maildir_open_new_message (MES dprint (2, (debugfile, "maildir_open_new_message (): Trying %s.\n", path)); +#if defined(__linux__) + if ((fd = opennfs(path, O_WRONLY | O_EXCL | O_CREAT, 0666)) == -1) +#else if ((fd = open (path, O_WRONLY | O_EXCL | O_CREAT, 0666)) == -1) +#endif { if (errno != EEXIST) { --- mutt.h +++ mutt.h 2018-07-04 12:50:36.504867472 +0000 @@ -1087,4 +1087,7 @@ typedef struct #include "lib.h" #include "globals.h" +#if defined(__linux__) +extern int opennfs(const char *, int, int); +#endif #endif /*MUTT_H*/ --- opennfs.c +++ opennfs.c 2018-07-04 12:19:44.426572384 +0000 @@ -0,0 +1,122 @@ +#include <errno.h> +#include <fcntl.h> +#include <libgen.h> +#include <limits.h> +#include <nfs/nfs.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/vfs.h> +#include <unistd.h> + +#ifndef NFS_SUPER_MAGIC +# define NFS_SUPER_MAGIC 0x6969 +#endif + +int opennfs(const char *path, int flags, int mode) +{ + char tmplock[NFS_MAXPATHLEN+1], sysname[256]; + char *slash, *ptr, *dir, *base, *clear = (char*)0; + struct stat ps, ts; + struct statfs fs; + ssize_t len; + int ret; + + if ((flags & (O_WRONLY|O_RDWR)) == 0) + goto safe; + + if ((flags & (O_EXCL|O_CREAT)) != (O_EXCL|O_CREAT)) + goto safe; + +#if defined(O_NOFOLLOW) + flags |= O_NOFOLLOW; +#endif + + ret = -1; + if ((clear = strdup(path)) == (char*)0) + goto err; + dir = dirname(clear); + + if ((ret = (statfs(dir, &fs))) < 0) + goto err; + + if (fs.f_type != NFS_SUPER_MAGIC) + goto safe; + + if ((ret = gethostname(sysname, sizeof(sysname))) < 0) + goto err; + + ret = -1; + ptr = &tmplock[0]; + if (((len = snprintf(ptr, NFS_MAXPATHLEN, "%s/.%s-XXXXXX", dir, sysname)) < 0) || (len >= NFS_MAXPATHLEN)) + goto err; + ptr += len; + slash = ptr; + + free(clear); + clear = (char*)0; + + if (mkdtemp(tmplock) == (char*)0) + goto err; + + ret = -1; + if ((clear = strdup(path)) == (char*)0) + goto rmd; + base = basename(clear); + + ret = -1; + if (((len = snprintf(ptr, NFS_MAXPATHLEN - len, "/%s", base)) < 0) || (len >= (NFS_MAXPATHLEN - len))) + goto rmd; + + free(clear); + clear = (char*)0; + + if ((ret = open(tmplock, flags, mode)) < 0) + goto rmd; + + errno = 0; + do { + len = write(ret, "0", 2); + } while ((len < 0) && (errno == EINTR)); + close(ret); + + ret = -1; + errno = EBADF; + if (len != 2) + goto unl; + + errno = 0; + if ((ret = lstat(tmplock, &ts)) < 0) + goto unl; + + if (((ret = link(tmplock, path)) < 0) && (errno == EEXIST)) + goto unl; + + if ((ret = lstat(path, &ps)) < 0) + goto unl; + + ret = -1; + errno = EEXIST; + if (ps.st_nlink != 2) + goto unl; + if ((ps.st_rdev != ts.st_rdev) || (ps.st_ino != ts.st_ino)) + goto unl; + + errno = 0; + flags |= O_TRUNC; + flags &= ~(O_EXCL|O_CREAT); + ret = open(path, flags, mode); +unl: + unlink(tmplock); +rmd: + *slash = '\0'; + rmdir(tmplock); +err: + if (clear) free(clear); + return ret; +safe: + if (clear) free(clear); + return open(path, flags, mode); +} --- sendlib.c +++ sendlib.c 2018-07-04 12:47:53.063845836 +0000 @@ -2256,7 +2256,11 @@ send_msg (const char *path, char **args, if (SendmailWait >= 0 && tempfile && *tempfile) { /* *tempfile will be opened as stdout */ +#if defined(__linux__) + if (opennfs(*tempfile, O_WRONLY | O_APPEND | O_CREAT | O_EXCL, 0600) < 0) +#else if (open (*tempfile, O_WRONLY | O_APPEND | O_CREAT | O_EXCL, 0600) < 0) +#endif _exit (S_ERR); /* redirect stderr to *tempfile too */ if (dup (1) < 0)
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