warden/early-roguelike
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fix segfault on getpwuid failure

Browse source
This commit is contained in:
John "Elwin" Edwards 2009-10-16 14:30:06 +00:00
parent c59dd4061d
commit 2ff3dc0619
1 changed files with 15 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

20
rogue3/mdport.c
View file

@ -444,8 +444,11 @@ md_getusername(void)
struct passwd *pw;
pw = getpwuid(getuid());
l = pw->pw_name;
/* Don't segfault if getpwuid fails (and the thing is wildly possible) */
if (pw != NULL)
l = pw->pw_name;
else
l = NULL;
#endif
if ((l == NULL) || (*l == '\0'))
@ -475,8 +478,11 @@ md_gethomedir(void)
char slash = '/';
struct passwd *pw;
pw = getpwuid(getuid());
h = pw->pw_dir;
/* Don't segfault if getpwuid fails */
if (pw != NULL)
h = pw->pw_dir;
else
h = NULL;
if (strcmp(h,"/") == 0)
h = NULL;
@ -540,7 +546,11 @@ md_getshell(void)
char *def = "/bin/sh";
struct passwd *pw;
pw = getpwuid(getuid());
s = pw->pw_shell;
/* don't segfault if getpwuid fails */
if (pw != NULL)
s = pw->pw_shell;
else
s = NULL;
#endif
if ((s == NULL) || (*s == '\0'))
if ( (s = getenv("COMSPEC")) == NULL)