?? qmail-getpw.c
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#include <sys/types.h>#include <sys/stat.h>#include <pwd.h>#include "readwrite.h"#include "substdio.h"#include "subfd.h"#include "error.h"#include "exit.h"#include "byte.h"#include "str.h"#include "case.h"#include "fmt.h"#include "auto_usera.h"#include "auto_break.h"#include "qlx.h"#define GETPW_USERLEN 32char *local;struct passwd *pw;char *dash;char *extension;int userext(){ char username[GETPW_USERLEN]; struct stat st; extension = local + str_len(local); for (;;) { if (extension - local < sizeof(username)) if (!*extension || (*extension == *auto_break)) { byte_copy(username,extension - local,local); username[extension - local] = 0; case_lowers(username); errno = 0; pw = getpwnam(username); if (errno == error_txtbsy) _exit(QLX_SYS); if (pw) if (pw->pw_uid) if (stat(pw->pw_dir,&st) == 0) { if (st.st_uid == pw->pw_uid) { dash = ""; if (*extension) { ++extension; dash = "-"; } return 1; } } else if (error_temp(errno)) _exit(QLX_NFS); } if (extension == local) return 0; --extension; }}char num[FMT_ULONG];void main(argc,argv)int argc;char **argv;{ local = argv[1]; if (!local) _exit(100); if (!userext()) { extension = local; dash = "-"; pw = getpwnam(auto_usera); } if (!pw) _exit(QLX_NOALIAS); substdio_puts(subfdoutsmall,pw->pw_name); substdio_put(subfdoutsmall,"",1); substdio_put(subfdoutsmall,num,fmt_ulong(num,(long) pw->pw_uid)); substdio_put(subfdoutsmall,"",1); substdio_put(subfdoutsmall,num,fmt_ulong(num,(long) pw->pw_gid)); substdio_put(subfdoutsmall,"",1); substdio_puts(subfdoutsmall,pw->pw_dir); substdio_put(subfdoutsmall,"",1); substdio_puts(subfdoutsmall,dash); substdio_put(subfdoutsmall,"",1); substdio_puts(subfdoutsmall,extension); substdio_put(subfdoutsmall,"",1); substdio_flush(subfdoutsmall); _exit(0);}?? 快捷鍵說明
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