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Use defined constant for field length for easier updating/patching

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in sulogin.c
This commit is contained in:
Jesse Smith 2019-01-13 12:24:12 -04:00
parent 5af4ee50a8
commit 43b5c64126
1 changed files with 6 additions and 4 deletions
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10
src/sulogin.c
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@ -72,6 +72,8 @@
# include <selinux/get_context_list.h> # include <selinux/get_context_list.h>
#endif #endif
#define PASSWORD_LENGTH 256
#include "consoles.h" #include "consoles.h"
#define CONMAX 16 #define CONMAX 16
@ -418,8 +420,8 @@ struct passwd *getrootpwent(int try_manually)
struct passwd *pw; struct passwd *pw;
struct spwd *spw; struct spwd *spw;
FILE *fp; FILE *fp;
static char line[256]; static char line[PASSWORD_LENGTH];
static char sline[256]; static char sline[PASSWORD_LENGTH];
char *p; char *p;
/* /*
@ -453,7 +455,7 @@ struct passwd *getrootpwent(int try_manually)
/* /*
* Find root in the password file. * Find root in the password file.
*/ */
while((p = fgets(line, 256, fp)) != NULL) { while((p = fgets(line, PASSWORD_LENGTH, fp)) != NULL) {
if (strncmp(line, "root:", 5) != 0) if (strncmp(line, "root:", 5) != 0)
continue; continue;
p += 5; p += 5;
@ -487,7 +489,7 @@ struct passwd *getrootpwent(int try_manually)
fprintf(stderr, "sulogin: %s: root password garbled\n\r", F_PASSWD); fprintf(stderr, "sulogin: %s: root password garbled\n\r", F_PASSWD);
return &pwd; return &pwd;
} }
while((p = fgets(sline, 256, fp)) != NULL) { while((p = fgets(sline, PASSWORD_LENGTH, fp)) != NULL) {
if (strncmp(sline, "root:", 5) != 0) if (strncmp(sline, "root:", 5) != 0)
continue; continue;
p += 5; p += 5;