diff options
Diffstat (limited to 'usr.sbin/lpr')
| -rw-r--r-- | usr.sbin/lpr/common_source/ctlinfo.c | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/usr.sbin/lpr/common_source/ctlinfo.c b/usr.sbin/lpr/common_source/ctlinfo.c index 67cac6bdd5da..20a153f7698b 100644 --- a/usr.sbin/lpr/common_source/ctlinfo.c +++ b/usr.sbin/lpr/common_source/ctlinfo.c @@ -57,6 +57,7 @@ __FBSDID("$FreeBSD$"); #include <fcntl.h> #include <limits.h> #include <netdb.h> +#include <pwd.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -73,6 +74,18 @@ struct cjprivate { int cji_dumpit; }; +/* + * All the following take a parameter of 'int', but expect values in the + * range of unsigned char. Define wrappers which take values of type 'char', + * whether signed or unsigned, and ensure they end up in the right range. + */ +#define isdigitch(Anychar) isdigit((u_char)(Anychar)) +#define islowerch(Anychar) islower((u_char)(Anychar)) +#define isupperch(Anychar) isupper((u_char)(Anychar)) +#define tolowerch(Anychar) tolower((u_char)(Anychar)) + +#define OTHER_USERID_CHARS "-_" /* special chars valid in a userid */ + #define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* @@ -345,11 +358,11 @@ ctl_readcf(const char *ptrname, const char *cfname) cpriv->pub.cji_mailto = strdup(lbuff); break; case 'P': - /* don't allow userid's with a leading minus, either */ - if (*lbuff == '-') - break; if (*lbuff == '\0') break; + /* The userid must not start with a minus sign */ + if (*lbuff == '-') + *lbuff = '_'; cpriv->pub.cji_acctuser = strdup(lbuff); break; default: @@ -414,7 +427,7 @@ ctl_readcf(const char *ptrname, const char *cfname) char * ctl_renametf(const char *ptrname, const char *tfname) { - int chk3rd, newfd, nogood, res; + int chk3rd, has_uc, newfd, nogood, res; FILE *newcf; struct cjobinfo *cjinf; char *lbuff, *slash, *cp; @@ -531,10 +544,36 @@ ctl_renametf(const char *ptrname, const char *tfname) nogood = 0; if (cjinf->cji_acctuser == NULL) nogood = 1; + else if (strcmp(cjinf->cji_acctuser, ".na.") == 0) + ; /* No further checks needed... */ else { - for (cp = cjinf->cji_acctuser; *cp != '\0'; cp++) { - if (*cp <= ' ') - *cp = '_'; + has_uc = 0; + cp = cjinf->cji_acctuser; + if (*cp == '-') + *cp++ = '_'; + for (; *cp != '\0'; cp++) { + if (islowerch(*cp) || isdigitch(*cp)) + continue; /* Standard valid characters */ + if (strchr(OTHER_USERID_CHARS, *cp) != NULL) + continue; /* Some more valid characters */ + if (isupperch(*cp)) { + has_uc = 1; /* These may be valid... */ + continue; + } + *cp = '_'; + } + /* + * Some Windows hosts send print jobs where the correct userid + * has been converted to uppercase, and that can cause trouble + * for sites that expect the correct value (for something like + * accounting). On the other hand, some sites do use uppercase + * in their userids, so we can't blindly convert to lowercase. + */ + if (has_uc && (getpwnam(cjinf->cji_acctuser) == NULL)) { + for (cp = cjinf->cji_acctuser; *cp != '\0'; cp++) { + if (isupperch(*cp)) + *cp = tolowerch(*cp); + } } } if (nogood) |