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Made sure that mangling name buffer of 40 bytes cannot overflow. 

Coverity CID 12589.
This commit is contained in:
Thomas Schmitt 2015-10-13 19:30:17 +02:00
parent 355f1f7ea2
commit b3a183fceb
1 changed files with 3 additions and 1 deletions
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4
libisofs/ecma119_tree.c
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@ -654,6 +654,7 @@ int mangle_single_dir(Ecma119Image *img, Ecma119Node *dir, int max_file_len,
for (i = 0; i < nchildren; ++i) {
char *name, *ext;
char full_name[40];
const int full_max_len = 40 - 1;
int max; /* computed max len for name, without extension */
int j = i;
int digits = 1; /* characters to change per name */
@ -692,7 +693,8 @@ int mangle_single_dir(Ecma119Image *img, Ecma119Node *dir, int max_file_len,
int change = 0; /* number to be written */
/* copy name to buffer */
strcpy(full_name, children[i]->iso_name);
strncpy(full_name, children[i]->iso_name, full_max_len);
full_name[full_max_len] = 0;
/* compute name and extension */
dot = strrchr(full_name, '.');