75 lines
2.1 KiB
Diff
75 lines
2.1 KiB
Diff
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autofs-5.1.7 - use mount_fullpath() in one spot in parse_mount()
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From: Ian Kent <raven@themaw.net>
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mount_fullpath() is meant to be used for this type of path construction
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so use it.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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CHANGELOG | 1 +
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modules/parse_sun.c | 34 ++++++++--------------------------
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2 files changed, 9 insertions(+), 26 deletions(-)
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diff --git a/CHANGELOG b/CHANGELOG
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index 444ade5b..8494f0dc 100644
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -43,6 +43,7 @@
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- switch to use tree implementation for offsets.
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- remove obsolete functions.
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- remove redundant local var from sun_mount().
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+- use mount_fullpath() in one spot in parse_mount().
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25/01/2021 autofs-5.1.7
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- make bind mounts propagation slave by default.
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diff --git a/modules/parse_sun.c b/modules/parse_sun.c
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index 437869b5..d3fc6c7f 100644
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--- a/modules/parse_sun.c
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+++ b/modules/parse_sun.c
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@@ -1354,36 +1354,18 @@ dont_expand:
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debug(ap->logopt, MODPREFIX "gathered options: %s", options);
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if (check_is_multi(p)) {
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- char *m_root = NULL;
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+ char m_root[PATH_MAX + 1];
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int m_root_len;
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time_t age;
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int l;
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- /* If name starts with "/" it's a direct mount */
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- if (*name == '/') {
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- m_root_len = name_len;
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- m_root = alloca(m_root_len + 1);
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- if (!m_root) {
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- char *estr = strerror_r(errno, buf, MAX_ERR_BUF);
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- free(options);
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- free(pmapent);
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- logerr(MODPREFIX "alloca: %s", estr);
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- return 1;
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- }
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- strcpy(m_root, name);
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- } else {
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- m_root_len = ap->len + name_len + 1;
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- m_root = alloca(m_root_len + 1);
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- if (!m_root) {
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- char *estr = strerror_r(errno, buf, MAX_ERR_BUF);
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- free(options);
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- free(pmapent);
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- logerr(MODPREFIX "alloca: %s", estr);
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- return 1;
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- }
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- strcpy(m_root, ap->path);
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- strcat(m_root, "/");
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- strcat(m_root, name);
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+ m_root_len = mount_fullpath(m_root, PATH_MAX, ap->path, name);
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+ if (!m_root_len) {
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+ error(ap->logopt,
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+ MODPREFIX "multi-mount root path too long");
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+ free(options);
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+ free(pmapent);
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+ return 1;
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}
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pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cur_state);
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