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// |
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// Add User |
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#include <errno.h> |
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#include <sys/resource.h> |
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#include <sys/time.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <fcntl.h> |
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#include <fts.h> |
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#include "common.h" |
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int main(int argc, char *argv[]) |
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{ |
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if (argc < 1) |
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return 1; |
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|
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umask(S_IWGRP | S_IWOTH); |
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|
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int exception; |
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jmp_buf environment; |
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|
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regcheck(regcomp(&name_, "^-name=([^:]+)$", REG_EXTENDED), &name_, environment); |
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char user[MAXLOGNAME] = "", *name = NULL; |
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for (int index = 1; index != argc; ++index) |
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{ |
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regmatch_t match[2]; |
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if (!name) |
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{ |
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regcheck(regcomp(&name_, "^[^:]+$", REG_EXTENDED), &name_, environment); |
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do |
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{ |
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printf("Full Name: "); |
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size_t size; |
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char *name_ = fcheck(fgetln(stdin, &size), stdin, environment); |
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name = name ? realloc(name, size) : malloc(size); |
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strlcpy(name, name_, size); |
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} |
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while (regcheck(regexec(&name_, name, 0, NULL, 0), &name_, environment)); |
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get("Full Name", &name_, &name, environment); |
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regfree(&name_); |
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} |
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|
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if (!entry) |
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longjmp(environment, 1); |
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check(mkdir(entry->pw_dir, 0755), environment); |
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check(mkdir(entry->pw_dir, S_IRWXU | S_IRWXG | S_IRWXO), environment); |
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check(chown(entry->pw_dir, entry->pw_uid, entry->pw_gid), environment); |
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check(chdir(entry->pw_dir), environment); |
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|
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FTS *traversal = fts_open((char *[]){ "/usr/share/skel", NULL }, FTS_LOGICAL | FTS_NOCHDIR, NULL); |
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|
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if (!traversal) |
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longjmp(environment, 1); |
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|
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FTSENT *entity; |
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|
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while ((entity = fts_read(traversal))) |
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switch (entity->fts_info) |
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{ |
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case FTS_D: |
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if (entity->fts_level != FTS_ROOTLEVEL) |
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{ |
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check(mkdir(entity->fts_name, entity->fts_statp->st_mode), environment); |
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check(chown(entity->fts_name, entry->pw_uid, entry->pw_gid), environment); |
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check(chdir(entity->fts_name), environment); |
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} |
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|
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break; |
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case FTS_DP: |
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if (entity->fts_level != FTS_ROOTLEVEL) |
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check(chdir(".."), environment); |
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|
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break; |
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case FTS_F: |
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{ |
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int output = check(open(strncmp(entity->fts_name, "dot", 3) ? entity->fts_name : entity->fts_name + 3, O_WRONLY | O_CREAT | O_EXCL, entity->fts_statp->st_mode), environment), input = check(open(entity->fts_accpath, O_RDONLY), environment); |
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char buffer[entity->fts_statp->st_blksize]; |
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size_t size; |
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|
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while ((size = check(read(input, buffer, sizeof (buffer)), environment))) |
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check(write(output, buffer, size), environment); |
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|
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check(fchown(output, entry->pw_uid, entry->pw_gid), environment); |
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check(close(output), environment); |
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check(close(input), environment); |
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} |
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|
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break; |
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} |
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|
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if (errno) |
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longjmp(environment, 1); |
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|
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if (fts_close(traversal)) |
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longjmp(environment, 1); |
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#else |
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longjmp(environment, (int)"Log in to zweihander.ccs.ucsb.edu to add users"); |
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#endif |
