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openSUSE:Leap:42.2:Ports
screen
maxloginlen.diff
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File maxloginlen.diff of Package screen
--- ./acls.c.orig 2016-03-31 14:29:26.022571495 +0000 +++ ./acls.c 2016-03-31 14:29:29.430564189 +0000 @@ -182,7 +182,7 @@ struct acluser **up; #endif (*up)->u_Esc = DefaultEsc; (*up)->u_MetaEsc = DefaultMetaEsc; - strncpy((*up)->u_name, name, 20); + strncpy((*up)->u_name, name, MAXLOGINLEN); (*up)->u_password = NULL; if (pass) (*up)->u_password = SaveStr(pass); --- ./acls.h.orig 2016-03-31 14:29:26.023571504 +0000 +++ ./acls.h 2016-03-31 14:30:54.924377777 +0000 @@ -26,6 +26,12 @@ **************************************************************** */ +/* + * If you change the value, old screen versions will no longer be able to + * attach + */ +#define MAXLOGINLEN 256 + #ifdef MULTIUSER /* three known bits: */ @@ -78,7 +84,7 @@ struct plop typedef struct acluser { struct acluser *u_next; /* continue the main user list */ - char u_name[20+1]; /* login name how he showed up */ + char u_name[MAXLOGINLEN+1]; /* login name how he showed up */ char *u_password; /* his password (may be NullStr). */ int u_checkpassword; /* nonzero if this u_password is valid */ int u_detachwin; /* the window where he last detached */ --- ./screen.c.orig 2016-03-31 14:29:26.024571510 +0000 +++ ./screen.c 2016-03-31 14:29:29.432564181 +0000 @@ -990,10 +990,10 @@ char **av; if (home == 0 || *home == '\0') home = ppp->pw_dir; - if (strlen(LoginName) > 20) + if (strlen(LoginName) > MAXLOGINLEN) Panic(0, "LoginName too long - sorry."); #ifdef MULTIUSER - if (multi && strlen(multi) > 20) + if (multi && strlen(multi) > MAXLOGINLEN) Panic(0, "Screen owner name too long - sorry."); #endif if (strlen(home) > MAXPATHLEN - 25) --- ./screen.h.orig 2016-03-31 14:29:26.024571510 +0000 +++ ./screen.h 2016-03-31 14:31:17.780327336 +0000 @@ -208,7 +208,7 @@ struct msg create; struct { - char auser[20 + 1]; /* username */ + char auser[MAXLOGINLEN + 1]; /* username */ int apid; /* pid of frontend */ int adaptflag; /* adapt window size? */ int lines, columns; /* display size */ @@ -222,13 +222,13 @@ struct msg attach; struct { - char duser[20 + 1]; /* username */ + char duser[MAXLOGINLEN + 1]; /* username */ int dpid; /* pid of frontend */ } detach; struct { - char auser[20 + 1]; /* username */ + char auser[MAXLOGINLEN + 1]; /* username */ int nargs; char cmd[MAXPATHLEN]; /* command */ int apid; /* pid of frontend */
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