On 4/17/13 1:32 PM, rjohnston@xxxxxxx wrote:
<some kind of email that doesn't show up when I hit reply so repasting ;)>
>
>
> xfs_quota does not properly parse users or groups that begin with a number.
> Only call atoi when user or group consists of digits only.
>
> Signed-off-by: Rich Johnston <rjohnston@xxxxxxx>
Seems sane to me. I'd change i=0 to i = 0, but *shrug*
[xfsprogs]$ grep -r "i = 0" * | wc -l
404
[xfsprogs]$ grep -r "i=0" * | wc -l
10
Other than that,
Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---
> include/input.h | 1 +
> libxcmd/input.c | 12 ++++++++++++
> quota/quota.c | 4 ++--
> quota/quota.h | 1 +
> 4 files changed, 16 insertions(+), 2 deletions(-)
>
> Index: b/include/input.h
> ===================================================================
> --- a/include/input.h
> +++ b/include/input.h
> @@ -46,6 +46,7 @@ extern void timestr(struct timeval *tv,
> extern uid_t uid_from_string(char *user);
> extern gid_t gid_from_string(char *group);
> extern prid_t prid_from_string(char *project);
> +extern boolean_t isdigits_only(const char *str);
>
> #define HAVE_FTW_H 1 /* TODO: configure me */
>
> Index: b/libxcmd/input.c
> ===================================================================
> --- a/libxcmd/input.c
> +++ b/libxcmd/input.c
> @@ -398,6 +398,18 @@ gid_from_string(
> return -1;
> }
>
> +boolean_t isdigits_only(
> + const char *str)
> +{
> + int i;
> +
> + for (i=0; i < strlen(str); i++) {
> + if (!isdigit(str[i]))
> + return B_FALSE;
> + }
> + return B_TRUE;
> +}
> +
> #define HAVE_FTW_H 1 /* TODO: configure me */
>
> #ifndef HAVE_FTW_H
> Index: b/quota/quota.c
> ===================================================================
> --- a/quota/quota.c
> +++ b/quota/quota.c
> @@ -224,7 +224,7 @@ quota_user_type(
> uid_t id;
>
> if (name) {
> - if (isdigit(name[0])) {
> + if (isdigits_only(name)) {
> id = atoi(name);
> name = getusername(id, flags & NO_LOOKUP_FLAG);
> } else if ((u = getpwnam(name))) {
> @@ -273,7 +273,7 @@ quota_group_type(
> int i, ngroups, dofree = 0;
>
> if (name) {
> - if (isdigit(name[0])) {
> + if (isdigits_only(name)) {
> gid = atoi(name);
> name = getgroupname(gid, flags & NO_LOOKUP_FLAG);
> } else {
> Index: b/quota/quota.h
> ===================================================================
> --- a/quota/quota.h
> +++ b/quota/quota.h
> @@ -80,4 +80,5 @@ enum {
> extern char *uid_to_name(__uint32_t __uid);
> extern char *gid_to_name(__uint32_t __gid);
> extern char *prid_to_name(__uint32_t __prid);
> +extern boolean_t isdigits_only(const char *);
>
>
>
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>
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