59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
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/* mkdir.c
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Create a directory. We must go through a subsidiary program to
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force our real uid to be the uucp owner before invoking the setuid
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/bin/mkdir program. */
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#include "uucp.h"
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#include "sysdep.h"
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#include <errno.h>
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int
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mkdir (zdir, imode)
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const char *zdir;
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int imode;
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{
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struct stat s;
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const char *azargs[3];
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int aidescs[3];
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pid_t ipid;
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/* Make sure the directory does not exist, since we will otherwise
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get the wrong errno value. */
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if (stat (zdir, &s) == 0)
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{
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errno = EEXIST;
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return -1;
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}
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/* /bin/mkdir will create the directory with mode 777, so we set our
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umask to get the mode we want. */
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(void) umask ((~ imode) & (S_IRWXU | S_IRWXG | S_IRWXO));
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azargs[0] = UUDIR_PROGRAM;
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azargs[1] = zdir;
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azargs[2] = NULL;
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aidescs[0] = SPAWN_NULL;
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aidescs[1] = SPAWN_NULL;
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aidescs[2] = SPAWN_NULL;
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ipid = ixsspawn (azargs, aidescs, FALSE, FALSE, (const char *) NULL,
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TRUE, FALSE, (const char *) NULL,
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(const char *) NULL, (const char *) NULL);
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(void) umask (0);
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if (ipid < 0)
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return -1;
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if (ixswait ((unsigned long) ipid, (const char *) NULL) != 0)
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{
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/* Make up an errno value. */
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errno = EACCES;
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return -1;
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}
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return 0;
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}
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