diff options
Diffstat (limited to 'src/passwd/getspnam_r.c')
| -rw-r--r-- | src/passwd/getspnam_r.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/passwd/getspnam_r.c b/src/passwd/getspnam_r.c index 9e29aa9c..9f3378e9 100644 --- a/src/passwd/getspnam_r.c +++ b/src/passwd/getspnam_r.c @@ -2,6 +2,7 @@ #include <unistd.h> #include <sys/stat.h> #include <ctype.h> +#include <pthread.h> #include "pwf.h" /* This implementation support Openwall-style TCB passwords in place of @@ -16,6 +17,11 @@ static long xatol(const char *s) return isdigit(*s) ? atol(s) : -1; } +static void cleanup(void *p) +{ + fclose(p); +} + int getspnam_r(const char *name, struct spwd *sp, char *buf, size_t size, struct spwd **res) { char path[20+NAME_MAX]; @@ -25,6 +31,7 @@ int getspnam_r(const char *name, struct spwd *sp, char *buf, size_t size, struct size_t k, l = strlen(name); char *s; int skip = 0; + int cs; *res = 0; @@ -44,7 +51,9 @@ int getspnam_r(const char *name, struct spwd *sp, char *buf, size_t size, struct struct stat st = { 0 }; errno = EINVAL; if (fstat(fd, &st) || !S_ISREG(st.st_mode) || !(f = fdopen(fd, "rb"))) { + pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); close(fd); + pthread_setcancelstate(cs, 0); return errno; } } else { @@ -52,6 +61,7 @@ int getspnam_r(const char *name, struct spwd *sp, char *buf, size_t size, struct if (!f) return errno; } + pthread_cleanup_push(cleanup, f); while (fgets(buf, size, f) && (k=strlen(buf))>0) { if (skip || strncmp(name, buf, l)) { skip = buf[k-1] != '\n'; @@ -92,6 +102,6 @@ int getspnam_r(const char *name, struct spwd *sp, char *buf, size_t size, struct *res = sp; break; } - fclose(f); + pthread_cleanup_pop(1); return rv; } |