X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=klibc_fixups.c;h=d1a452a44981bc948bfb9659db9f0a773d5d3a34;hb=f608f8ac16889ce0e7e800c7f11dacc558d097c1;hp=eaa240c183fa59c6a34161d21c8ad30ea3d9f9d9;hpb=c81b35c08bbd7789883993ea280e0d3772cce440;p=elogind.git diff --git a/klibc_fixups.c b/klibc_fixups.c index eaa240c18..d1a452a44 100644 --- a/klibc_fixups.c +++ b/klibc_fixups.c @@ -30,19 +30,20 @@ #include "udev.h" #include "klibc_fixups.h" +#include "udev_lib.h" #include "logging.h" #define PW_FILE "/etc/passwd" #define GR_FILE "/etc/group" #define UTMP_FILE "/var/run/utmp" - /* return the id of a passwd style line, selected by the users name */ static unsigned long get_id_by_name(const char *uname, const char *dbfile) { unsigned long id = -1; - char line[255]; + char line[LINE_SIZE]; char *buf; + char *bufline; size_t bufsize; size_t cur; size_t count; @@ -59,19 +60,19 @@ static unsigned long get_id_by_name(const char *uname, const char *dbfile) } /* loop through the whole file */ - cur = 0; - while (1) { + while (cur < bufsize) { count = buf_get_line(buf, bufsize, cur); + bufline = &buf[cur]; + cur += count+1; + + if (count >= LINE_SIZE) + continue; - strncpy(line, buf + cur, count); + strncpy(line, bufline, count); line[count] = '\0'; pos = line; - cur += count+1; - if (cur > bufsize) - break; - /* get name */ name = strsep(&pos, ":"); if (name == NULL)