diff options
Diffstat (limited to 'bin/autobuild.c')
| -rw-r--r-- | bin/autobuild.c | 54 |
1 files changed, 42 insertions, 12 deletions
diff --git a/bin/autobuild.c b/bin/autobuild.c index 86d164c..4d0580f 100644 --- a/bin/autobuild.c +++ b/bin/autobuild.c @@ -14,13 +14,13 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#define _GNU_SOURCE /* for unsetenv(3) */ +#define _GNU_SOURCE /* for environment functions */ #include <alloca.h> /* for alloca(3) */ #include <errno.h> /* for errno */ #include <error.h> /* for error(3) */ #include <pwd.h> /* for getpwuid(3) */ #include <stdio.h> /* for printf(3) */ -#include <stdlib.h> /* for unsetenv(3) */ +#include <stdlib.h> /* for environment functions */ #include <string.h> /* for strlen(3), strcpy(3) */ #include <unistd.h> /* for dup2(3), geteuid(3), execl(3) */ @@ -28,7 +28,17 @@ void usage(const char *cmd) { printf("Usage: %s PACKAGE\n", cmd); - printf("This command should be run from the git directory of the package source."); + printf("This command should be run from the git directory of the package source.\n"); +} + +void +mysetenv(const char *name, const char *value) +{ + if (value != NULL) { + if (setenv(name, value, 1) != 0) { + error(127, errno, "could not set %s", name); + } + } } int @@ -40,17 +50,37 @@ main(int argc, char **argv) return 1; } - const char *home = getpwuid(geteuid())->pw_dir; - const char *script_suffix = "/bin/autobuild.sh"; - char *script = alloca(strlen(home)+strlen(script_suffix)); - strcpy(script, home); - strcpy(&(script[strlen(home)]), script_suffix); + struct passwd *user = getpwuid(geteuid()); + setreuid(geteuid(), -1); - unsetenv("IFS"); - unsetenv("PATH"); - unsetenv("LD_PRELOAD"); - unsetenv("BASH_ENV"); + printf("ruid:%d\teuid:%d\n", getuid(), geteuid()); + const char *env_term = getenv("TERM"); + const char *env_lang = getenv("LANG"); + const char *env_lc_all = getenv("LC_ALL"); + const char *env_lc_collate = getenv("LC_COLLATE"); + const char *env_lc_ctype = getenv("LC_CTIME"); + const char *env_lc_messages = getenv("LC_MESSAGES"); + const char *env_lc_monetary = getenv("LC_MONETARY"); + const char *env_lc_numeric = getenv("LC_NUMERIC"); + const char *env_lc_time = getenv("LC_TIME"); + clearenv(); + mysetenv("USER" , user->pw_name ); + mysetenv("LOGNAME" , user->pw_name ); + mysetenv("HOME" , user->pw_dir ); + mysetenv("TERM" , env_term ); + mysetenv("LANG" , env_lang ); + mysetenv("LC_ALL" , env_lc_all ); + mysetenv("LC_COLLATE" , env_lc_collate ); + mysetenv("LC_CTIME" , env_lc_ctype ); + mysetenv("LC_MESSAGES", env_lc_messages); + mysetenv("LC_MONETARY", env_lc_monetary); + mysetenv("LC_NUMERIC" , env_lc_numeric ); + mysetenv("LC_TIME" , env_lc_time ); + const char *script_suffix = "/bin/autobuild.sh"; + char *script = alloca(strlen(user->pw_dir)+strlen(script_suffix)); + strcpy(script, user->pw_dir); + strcpy(&(script[strlen(user->pw_dir)]), script_suffix); execl(script, script, argv[1], NULL); error(127, errno, "%s", script); } |