diff options
Diffstat (limited to 'libc/pwd_grp/__sgetspent_r.c')
| -rw-r--r-- | libc/pwd_grp/__sgetspent_r.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/libc/pwd_grp/__sgetspent_r.c b/libc/pwd_grp/__sgetspent_r.c new file mode 100644 index 000000000..f2cd73195 --- /dev/null +++ b/libc/pwd_grp/__sgetspent_r.c @@ -0,0 +1,161 @@ +/* + * __sgetspent_r.c - Based on __getpwent_r.c + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <shadow.h> + + +int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, size_t buflen) +{ + char *field_begin; + char *endptr; + char *lstchg_ptr=NULL; + char *min_ptr=NULL; + char *max_ptr=NULL; + char *warn_ptr=NULL; + char *inact_ptr=NULL; + char *expire_ptr=NULL; + char *flag_ptr=NULL; + int i; + + if (string != line_buff) { + if (strlen(string) >= buflen) + return -1; + strcpy(line_buff, string); + } + + if (*line_buff == '#' || *line_buff == ' ' || *line_buff == '\n' || + *line_buff == '\t') + return -1; + + field_begin = strchr(line_buff, '\n'); + if (field_begin != NULL) + *field_begin = '\0'; + + /* We've read the line; now parse it. */ + field_begin = line_buff; + for (i = 0; i < 9; i++) { + switch (i) { + case 0: + spwd->sp_namp = field_begin; + break; + case 1: + spwd->sp_pwdp = field_begin; + break; + case 2: + lstchg_ptr = field_begin; + break; + case 3: + min_ptr = field_begin; + break; + case 4: + max_ptr = field_begin; + break; + case 5: + warn_ptr = field_begin; + break; + case 6: + inact_ptr = field_begin; + break; + case 7: + expire_ptr = field_begin; + break; + case 8: + flag_ptr = field_begin; + break; + } + if (i < 8) { + field_begin = strchr(field_begin, ':'); + if (field_begin == NULL) { + if (i==4 || i==7) + break; + return -1; + } + *field_begin++ = '\0'; + } + } + + if (*lstchg_ptr == '\0') { + spwd->sp_lstchg = -1; + } else { + spwd->sp_lstchg = (gid_t) strtoul(lstchg_ptr, &endptr, 10); + if (*endptr != '\0') + return -1; + } + + if (*min_ptr == '\0') { + spwd->sp_min = -1; + } else { + spwd->sp_min = (gid_t) strtoul(min_ptr, &endptr, 10); + if (*endptr != '\0') + return -1; + } + + if (*max_ptr == '\0') { + spwd->sp_max = -1; + } else { + spwd->sp_max = (gid_t) strtoul(max_ptr, &endptr, 10); + if (*endptr != '\0') + return -1; + } + + if (warn_ptr == NULL) { + /* Support for old format */ + spwd->sp_warn = -1; + spwd->sp_inact = -1; + spwd->sp_expire = -1; + spwd->sp_flag = 0; + } + else { + if (*warn_ptr == '\0') { + spwd->sp_warn = -1; + } else { + spwd->sp_warn = (gid_t) strtoul(warn_ptr, &endptr, 10); + if (*endptr != '\0') + return -1; + } + + if (*inact_ptr == '\0') { + spwd->sp_inact = -1; + } else { + spwd->sp_inact = (gid_t) strtoul(inact_ptr, &endptr, 10); + if (*endptr != '\0') + return -1; + } + + if (*expire_ptr == '\0') { + spwd->sp_expire = -1; + } else { + spwd->sp_expire = (gid_t) strtoul(expire_ptr, &endptr, 10); + if (*endptr != '\0') + return -1; + } + + if (flag_ptr==NULL || *flag_ptr=='\0') { + spwd->sp_flag = ~0ul; + } else { + spwd->sp_flag = (gid_t) strtoul(flag_ptr, &endptr, 10); + if (*endptr != '\0') + return -1; + } + } + + return 0; +} |