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util: fix possible buffer overrun in the function that create L2 menus (Coverity #50219)

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As pointed by Coverity, the buffer used to store the command for the menu
has a fixed size, so a check is welcome to avoid buffer overflow.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>
This commit is contained in:
Christophe CURIS
2014-06-16 20:15:26 +02:00
committed by Carlos R. Mafra
parent 7c142f54d0
commit 36ac3b3344
1 changed files with 3 additions and 1 deletions
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4
util/wmgenmenu.c
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@@ -419,7 +419,9 @@ static void find_and_write(const char *group, char *list[][2], int this_is_termi
} else {
char comm[PATH_MAX], *ptr;
strcpy(comm, list[i][1]);
strncpy(comm, list[i][1], sizeof(comm) - 1);
comm[sizeof(comm) - 1] = '\0';
/* delete character " !" from the command */
ptr = strchr(comm, '!');
while (ptr >= comm && (*ptr == '!' || isspace(*ptr)))