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Robustness fix.

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Add group to the --gpgconf-list.
This commit is contained in:
Werner Koch 2008-06-19 10:45:16 +00:00
parent df066f970f
commit e573011dda
4 changed files with 28 additions and 10 deletions
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25
common/sysutils.c
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@ -50,7 +50,6 @@
# include <pth.h>
#endif
#include <fcntl.h>
#include <ctype.h>
#include "util.h"
#include "i18n.h"
@ -301,7 +300,7 @@ static struct
{
int from;
int to;
} fd_translate[8];
} fd_translate[FD_TRANSLATE_MAX];
/* Number of entries used in fd_translate. */
static int fd_translate_len;
@ -310,7 +309,9 @@ static int fd_translate_len;
/* Initialize the fd translation table. This reads one line from
stdin which is expected to be in the format "FROM TO [...]" where
each "FROM TO" pair are two handle numbers. Handle number FROM on
the command line is translated to handle number TO. */
the command line is translated to handle number TO.
Note that this function may be called while still being setuid. */
void
translate_table_init (void)
{
@ -327,7 +328,9 @@ translate_table_init (void)
/* We always read one line from stdin. */
for (idx = 0; idx < TRANS_MAX; idx++)
{
res = read (0, &line[idx], 1);
do
res = read (0, &line[idx], 1);
while (res == -1 && errno == EINTR);
if (res != 1)
break;
if (line[idx] == '\n')
@ -340,7 +343,11 @@ translate_table_init (void)
{
char buf[1];
do
res = read (0, buf, 1);
{
do
res = read (0, buf, 1);
while (res == -1 && errno == EINTR);
}
while (res == 1 && *buf != '\n');
}
@ -354,21 +361,21 @@ translate_table_init (void)
unsigned long to;
char *tail;
while (isspace (*linep))
while (spacep (linep))
linep++;
if (*linep == '\0')
break;
from = strtoul (linep, &tail, 0);
if (tail == NULL || ! (*tail == '\0' || isspace (*tail)))
if (tail == NULL || ! (*tail == '\0' || spacep (tail)))
break;
linep = tail;
while (isspace (*linep))
while (spacep (linep))
linep++;
if (*linep == '\0')
break;
to = strtoul (linep, &tail, 0);
if (tail == NULL || ! (*tail == '\0' || isspace (*tail)))
if (tail == NULL || ! (*tail == '\0' || spacep (tail)))
break;
linep = tail;